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	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_4&amp;diff=20871</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 4</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_4&amp;diff=20871"/>
		<updated>2009-01-04T18:33:20Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Aufgabenstellung ==&lt;br /&gt;
[http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/infovis_ue_aufgabe4.html Beschreibung der Aufgabe 4]&lt;br /&gt;
&lt;br /&gt;
=== Gegebene Daten ===&lt;br /&gt;
&lt;br /&gt;
&#039;&#039;&#039;Homer Simpson&#039;s Trinkverhalten in Abhängigkeit von seinen Lebensumständen&#039;&#039;&#039;&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
...Visualisierung von Homer&#039;s Lebensabschnitten bzw. Ereignissen mit Einfluss auf sein&lt;br /&gt;
Trinkverhalten (zB.: Kindheit, Pubertät, Arbeitslosigkeit, Beziehungen, Hochzeit, Geburt&lt;br /&gt;
der Kinder, Liebeskummer, Alltag, etc.) von seiner Geburt bis Jetzt + mögliche&lt;br /&gt;
Zukunftsszenarien (mind. 3).&lt;br /&gt;
&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
*Die Menge folgender Getränke soll für die jeweiligen Lebensumstände ablesbar sein    &lt;br /&gt;
(ml oder Liter - je nachdem - pro Tag, Monat, Jahr (z.B.: Fokus+Kontext Methoden):&lt;br /&gt;
  a) Wasser&amp;lt;br&amp;gt;&lt;br /&gt;
  b) Milch&amp;lt;br&amp;gt;&lt;br /&gt;
  c) Fruchtsaft&amp;lt;br&amp;gt;&lt;br /&gt;
  d) Cola&amp;lt;br&amp;gt;&lt;br /&gt;
  e) Kaffee (Würfelzucker?)&amp;lt;br&amp;gt;&lt;br /&gt;
  f) Bier&lt;br /&gt;
(vereinfacht angenommen, Homer trinkt ausschließlich diese Getränke)&lt;br /&gt;
&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
*Die folgenden Werte sollen abhängig von den konsumierten Getränken ablesbar sein:&lt;br /&gt;
  1) g oder kg konsumierter Zucker (aus Getränken) + empfohlene Maximaldosis pro Tag, Monat, Jahr &lt;br /&gt;
    (empfohlene Maximaldosis/Tag: 50g; enthaltener Zucker: 10g/100 ml Cola; 10g/100 ml Fruchtsaft; 3g/Würfelzucker).&amp;lt;br&amp;gt;&lt;br /&gt;
  2) mg konsumiertes Coffein + empfohlene Maximaldosis pro Tag, Monat, Jahr &lt;br /&gt;
    (empfohlene Maximaldosis/Tag: 600mg; enthaltenes Coffein: 10 mg/100 ml Cola; 80 mg/100 ml Kaffee).&amp;lt;br&amp;gt;&lt;br /&gt;
  3) g konsumierter Alkohol + empfohlene Maximaldosis pro Tag, Monat, Jahr &lt;br /&gt;
    (empfohlene Maximaldosis/Tag: 20g; enthaltener Alkohol: 3,6 g/100ml Bier)&lt;br /&gt;
&amp;lt;br&amp;gt;&lt;br /&gt;
*Die Daten sollen zur medizinischen/psychologischen Analyse visualisiert werden.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
*Die bisher erlernten Design-Prinzipien sollen umgesetzt werden (z.B.: Optimierung der Data-ink ratio). &amp;lt;br&amp;gt;&amp;lt;br&amp;gt; &lt;br /&gt;
*Die Mockups sollten zumindest 1) Homer&#039;s Leben im Überblick 2) und eine Detailansicht wiedergeben.&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
*Alle nicht angeführten Daten können frei erfunden werden. &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
=Description of the application field and the given dataset=&lt;br /&gt;
&lt;br /&gt;
The given data should show the connection between the different periods of homer&#039;s life and his drinking behavior. We want to figure out&lt;br /&gt;
which periods of life affected the drinking behavior in a good/bad way.&lt;br /&gt;
The data is useful for a few different fields of application: Medical analysis, psychologically analisis and for nutritional advice. &lt;br /&gt;
For the application we are dealing with two different tables. We need both of them in order to get meaningful results.&lt;br /&gt;
&lt;br /&gt;
===The nutrition panel===&lt;br /&gt;
&lt;br /&gt;
[[Image:Nutritionalpanel.JPG]]&lt;br /&gt;
&lt;br /&gt;
The nutrition panel contains a list of all the ingredients of a certain beverage. The data is multidimensional and metrical. Here&lt;br /&gt;
we are dealing with a ratio scale. &lt;br /&gt;
The unit for all ingredients (except for the sugar in the coffee where it is measured by piece) is 100 ml. There are beverages&lt;br /&gt;
like milk and water which have no entry in the table. This is because in this case we are only interested in the amount of sugar,&lt;br /&gt;
alcohol and coffein. If we would like to take also fat or protein into account, milk would play a different roll.&lt;br /&gt;
We can look at this table in two different ways. If we only look at a column (for example &amp;quot;Zucker&amp;quot;) we can compare how much sugar&lt;br /&gt;
each beverage contains. If we take a look at a horizontal entry (e.g. &amp;quot;Cola&amp;quot;) we can determine which ingredients this entry contains.&lt;br /&gt;
An additional value for each ingredient tells us about the maximal dosis per day.&lt;br /&gt;
&lt;br /&gt;
===The list of amount===&lt;br /&gt;
&lt;br /&gt;
[[Image:Amount.JPG]]&lt;br /&gt;
&lt;br /&gt;
This table contains the amount of every beverage homer drank on a certain day. For the application we need the table of amount for each&lt;br /&gt;
day. Such a daily table contains the amount of beverages and the amount of the different ingrediants of the beverages based on the information&lt;br /&gt;
stored in the nutritional panel. As the nutritional panel the amount table is multidimensional and metrical.The structure of the data is also&lt;br /&gt;
equal to the structure in the nutritional panel.&lt;br /&gt;
&lt;br /&gt;
==target group==&lt;br /&gt;
&lt;br /&gt;
The target group for this application could be both medical staff (psychologists, doctors, nutritionists, ...) and the patient. The visualization&lt;br /&gt;
is very simple so everybody is able to deal with the application but also contains all the sufficient data to make medical analysis possible.&lt;br /&gt;
The ideal case would be if the doctor and his patient would evaluate the data with each other. The doctor or nutritionist gets a general idea of the drinking&lt;br /&gt;
behavior of the patient and is so able to determine whether his behavior is healthy or not. In a second step a psychologist is able to see in what&lt;br /&gt;
kind of situation the patient is at a risk of drinking too much sugared beverages or too much alcohol. The final step would be to elaborate a diet &lt;br /&gt;
plan by taking into account the data and the psychological cognitions.&lt;br /&gt;
&lt;br /&gt;
==goal of the visualization==&lt;br /&gt;
&lt;br /&gt;
The main goals for this visualization are:&lt;br /&gt;
* Demonstration of the consumption of beverages and the resulting consumption of nutrients for different periods of time.&lt;br /&gt;
* Comparisons (increase/decrease) of the consumption of beverages and nutrients over different longer periods of time.&lt;br /&gt;
* Comparisons of the consumption of nutrients at different non-connected periods of time (e.g. different periods of life).&lt;br /&gt;
&lt;br /&gt;
= Concept =&lt;br /&gt;
&lt;br /&gt;
To allow both professionals (doctors, psychologists ...) and patients to easily access information, our visualization concept provides 3 views, each one presenting some specific information. The 3 view are presented in a smalll toolbox, allowing the user to easily switch between the views and personalize the visualization.&lt;br /&gt;
&lt;br /&gt;
The toolbox provides three button for choosing the three views, and below the desired view is visualized.&lt;br /&gt;
&lt;br /&gt;
=== The &#039;&#039;Gesamt&#039;&#039; view ===&lt;br /&gt;
&lt;br /&gt;
This view shows the total amount of each drink for a certain amount of time.&lt;br /&gt;
&lt;br /&gt;
There is a timeline located on the bottom of the window. The user can select the exact period of time he wants to visualize. On startup, the maximum time span is Homer&#039;s whole life (1950 - 2008), but the user can zoom in using the zoom buttons on the right border for an accurate time span selection. This time span selection allows the user to control which exact period of the patient&#039;s life to be visualized. The currently selected period of time is always displayed above the diagrams.&lt;br /&gt;
&lt;br /&gt;
The selected period of time is then visualized in the main window. This area is divided into two blocks: The large diagram on the left side shows the total amount of consumed drinks, summed up over the whole time span that is currently selected. The three diagrams on the right side show the amount of consumed sugar, coffein and alcohol during the selected period of time, including both the total amount as well as a break down to the drinks containing sugar, coffein and alcohol. The recommended maximum dose is dynamically calculated for the current time span and displayed as horizontal red line.&lt;br /&gt;
&lt;br /&gt;
The &#039;&#039;Speichern&#039;&#039; button on the upper right border of the window allows the user to add a specific visualization the the &#039;&#039;Vergleich&#039;&#039; view, which will be presented later.&lt;br /&gt;
&lt;br /&gt;
The following three images show the &#039;&#039;Gesamt&#039;&#039; view for Homers whole life, a time span of a few months and one single day respectively:&lt;br /&gt;
&lt;br /&gt;
[[Image:homer0426716_gui_1a.png]]&lt;br /&gt;
&lt;br /&gt;
[[Image:homer0426716_gui_1b.png]]&lt;br /&gt;
&lt;br /&gt;
[[Image:homer0426716_gui_1c.png]]&lt;br /&gt;
&lt;br /&gt;
=== The &#039;&#039;Verlauf&#039;&#039; view ===&lt;br /&gt;
&lt;br /&gt;
This view shows the alteration of the amount of consumed drinks as well as sugar, coffein and alcohol over a certain period of time. Similar to the &#039;&#039;Gesamt&#039;&#039; view, the user can select a time span using the time line. The left diagram shows the amount of consumed drinks for each day, month or year (depending on the currently selected period of time). The three small diagrams show the same for sugar, coffein and alcohol, but summing up all drinks that contain sugar, coffein or alcohol. Again, the recommended maximum dose for the current unit (day, month or year) is shown as a horizontal red line. When moving the cursor over the diagrams, detailed infomation is shown in a tool-tip box.&lt;br /&gt;
&lt;br /&gt;
The following two images show the &#039;&#039;Verlauf&#039;&#039; view for Homers whole life and for a time span of a few months:&lt;br /&gt;
&lt;br /&gt;
[[Image:homer0426716_gui_2a.png]]&lt;br /&gt;
&lt;br /&gt;
[[Image:homer0426716_gui_2b.png]]&lt;br /&gt;
&lt;br /&gt;
=== The &#039;&#039;Vergleich&#039;&#039; view ===&lt;br /&gt;
&lt;br /&gt;
This view is structured diffently, allowing the user to personalize the visualization and compare analyses from different points of time.&lt;br /&gt;
&lt;br /&gt;
In the &#039;&#039;Gesamt&#039;&#039; view, the &#039;&#039;Speichern&#039;&#039; buttons adds the currently shown sugar, coffein and alcohol visualization to the &#039;&#039;Vergleich&#039;&#039; view. Here all sugar, coffein and alcohol diagrams are normalized and shown next to each other, allowing comparisons between the consumption at different points of time in the patient&#039;s life.&lt;br /&gt;
&lt;br /&gt;
The diagrams can be sorted by clicking the arrow-buttons at the bottom of the window, and diagrams can be removed from the &#039;&#039;Vergleich&#039;&#039; view using the small delete buttons.&lt;br /&gt;
&lt;br /&gt;
The following image shows the comparison of three days in Homer&#039;s life using the &#039;&#039;Vergleich&#039;&#039; view:&lt;br /&gt;
&lt;br /&gt;
[[Image:homer0426716_gui_3a.png]]&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
&lt;br /&gt;
* [[Teaching:TUW_-_UE_InfoVis_WS_2008/09|InfoVis:Wiki UE Homepage]]&lt;br /&gt;
&lt;br /&gt;
* [http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/ UE InfoVis]&lt;br /&gt;
&lt;br /&gt;
*[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05|Gruppe 05]]&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=File:Amount.JPG&amp;diff=20870</id>
		<title>File:Amount.JPG</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=File:Amount.JPG&amp;diff=20870"/>
		<updated>2009-01-04T18:30:35Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: New page: == Beschreibung ==  == Copyright status ==  == Source ==&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Beschreibung ==&lt;br /&gt;
&lt;br /&gt;
== Copyright status ==&lt;br /&gt;
&lt;br /&gt;
== Source ==&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=File:Nutritionalpanel.JPG&amp;diff=20869</id>
		<title>File:Nutritionalpanel.JPG</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=File:Nutritionalpanel.JPG&amp;diff=20869"/>
		<updated>2009-01-04T18:30:10Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: New page: == Beschreibung ==  == Copyright status ==  == Source ==&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Beschreibung ==&lt;br /&gt;
&lt;br /&gt;
== Copyright status ==&lt;br /&gt;
&lt;br /&gt;
== Source ==&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_2&amp;diff=20766</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 2</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_2&amp;diff=20766"/>
		<updated>2008-12-10T21:46:23Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Aufgabenstellung ==&lt;br /&gt;
[http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/infovis_ue_aufgabe2.html Beschreibung der Aufgabe 2]&lt;br /&gt;
&lt;br /&gt;
=== Zu beurteilende Tabelle ===&lt;br /&gt;
&lt;br /&gt;
[[Image:AnimalsKilledforFood.jpg|600px]]&lt;br /&gt;
&lt;br /&gt;
== Critical comments ==&lt;br /&gt;
&lt;br /&gt;
* Too many colors where white space would be sufficient.&lt;br /&gt;
* The comparison column &#039;&#039;07/06&#039;&#039; is placed between the two columns it refers to (&#039;&#039;2006&#039;&#039; and &#039;&#039;2007&#039;&#039;), but this is not true for the comparison column &#039;&#039;06/05&#039;&#039;.&lt;br /&gt;
* In the columns &#039;&#039;06/05&#039;&#039; and &#039;&#039;07/06&#039;&#039; the numbers / decimal points are not aligned.&lt;br /&gt;
* A comma is placed to the left of every three digits in the &#039;&#039;Total&#039;&#039; row, but not in the table body.&lt;br /&gt;
* In the &#039;&#039;%died&#039;&#039; column, a % sign is missing after each number.&lt;br /&gt;
* In the column headers, years are sometimes formatted using four digits (e.g. &#039;&#039;2005&#039;&#039;), and sometimes using two digits (e.g. &#039;&#039;06/05&#039;&#039;).&lt;br /&gt;
* Columns &#039;&#039;06/05&#039;&#039; and &#039;&#039;07/06&#039;&#039; use a higher precision / more digits after the comma.&lt;br /&gt;
* Different fonts are used in the table body and the column / row headers.&lt;br /&gt;
* Some column headers are set to bold font and some are not.&lt;br /&gt;
* All numbers in the &#039;&#039;2007&#039;&#039; column are bold just like the numbers in the &#039;&#039;Total&#039;&#039; row, although the &#039;&#039;2007&#039;&#039; numbers do not summarize anything.&lt;br /&gt;
* Columns are separated from each other using colors, which makes it difficult to scan through the rows and compare numbers from one row to each other.&lt;br /&gt;
* The spanner header &#039;&#039;2005&#039;&#039; is not aligned to the center, while all other spanner headers are center-aligned.&lt;br /&gt;
* The outer grid is not necessary.&lt;br /&gt;
* More categories are available in the &#039;&#039;2006&#039;&#039; section than in the &#039;&#039;2005&#039;&#039; and &#039;&#039;2007&#039;&#039; section.&lt;br /&gt;
&lt;br /&gt;
== Adapted table ==&lt;br /&gt;
&lt;br /&gt;
[[Image:Endtabelle.gif]]&lt;br /&gt;
&lt;br /&gt;
== Adaptions ==&lt;br /&gt;
* The color-seperation with multiple colors was replaced by a seperation with two colors (grey background on every second row). This makes the information more readable and doesn&#039;t distract the reader like before.&lt;br /&gt;
* The numbers / decimal points are aligned in all columns to make comparisons easier.&lt;br /&gt;
* The usage of a comma/point is being applied to all numbers the same so that they look consistent.&lt;br /&gt;
* The %-Symbol has been placed to the right of every percentage value to make it more clear that those numbers are percentaged numbers.&lt;br /&gt;
* The formatting in the headers and the table now has a standard. &lt;br /&gt;
* The usage of decimal places has been standardized.&lt;br /&gt;
* One font has been chosen for the whole table diversifying in weight and size depending on the importance of the information.&lt;br /&gt;
* All year headers are now bold to make them stand out in comparison with the rest of the text. This should bring out that the comparison between the years is important. &lt;br /&gt;
* The numbers in the total column are bold and there is a horizontal line to make this row stand out more.&lt;br /&gt;
* The seperation through a whitespace is a great way to seperate columns. &lt;br /&gt;
* The spanner-headers are all aligned the same way to make it more pleasant to the eye.&lt;br /&gt;
* The outer grid has been removed so it doesn&#039;t distract the reader from the necessary information.&lt;br /&gt;
* We recalculated the Alteration Colums because we thought that a percentage increase/decrease is more significant than an absolute number. &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
&lt;br /&gt;
* [[Teaching:TUW_-_UE_InfoVis_WS_2008/09|InfoVis:Wiki UE Homepage]]&lt;br /&gt;
&lt;br /&gt;
* [http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/ UE InfoVis]&lt;br /&gt;
&lt;br /&gt;
*[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05|Gruppe 05]]&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=File:Endtabelle.gif&amp;diff=20765</id>
		<title>File:Endtabelle.gif</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=File:Endtabelle.gif&amp;diff=20765"/>
		<updated>2008-12-10T21:45:23Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: New page: == Beschreibung ==  == Copyright status ==  == Source ==&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Beschreibung ==&lt;br /&gt;
&lt;br /&gt;
== Copyright status ==&lt;br /&gt;
&lt;br /&gt;
== Source ==&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_2&amp;diff=20666</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 2</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_2&amp;diff=20666"/>
		<updated>2008-12-08T14:33:56Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Aufgabenstellung ==&lt;br /&gt;
[http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/infovis_ue_aufgabe2.html Beschreibung der Aufgabe 2]&lt;br /&gt;
&lt;br /&gt;
=== Zu beurteilende Tabelle ===&lt;br /&gt;
&lt;br /&gt;
[[Image:AnimalsKilledforFood.jpg|600px]]&lt;br /&gt;
&lt;br /&gt;
== Critical comments ==&lt;br /&gt;
&lt;br /&gt;
* Too many colors where white space would be sufficient.&lt;br /&gt;
* The comparison column &#039;&#039;07/06&#039;&#039; is placed between the two columns it refers to (&#039;&#039;2006&#039;&#039; and &#039;&#039;2007&#039;&#039;), but this is not true for the comparison column &#039;&#039;06/05&#039;&#039;.&lt;br /&gt;
* In the columns &#039;&#039;06/05&#039;&#039; and &#039;&#039;07/06&#039;&#039; the numbers / decimal points are not aligned.&lt;br /&gt;
* A comma is placed to the left of every three digits in the &#039;&#039;Total&#039;&#039; row, but not in the table body.&lt;br /&gt;
* In the &#039;&#039;%died&#039;&#039; column, a % sign is missing after each number.&lt;br /&gt;
* In the column headers, years are sometimes formatted using four digits (e.g. &#039;&#039;2005&#039;&#039;), and sometimes using two digits (e.g. &#039;&#039;06/05&#039;&#039;).&lt;br /&gt;
* Columns &#039;&#039;06/05&#039;&#039; and &#039;&#039;07/06&#039;&#039; use a higher precision / more digits after the comma.&lt;br /&gt;
* Different fonts are used in the table body and the column / row headers.&lt;br /&gt;
* Some column headers are set to bold font and some are not.&lt;br /&gt;
* All numbers in the &#039;&#039;2007&#039;&#039; column are bold just like the numbers in the &#039;&#039;Total&#039;&#039; row, although the &#039;&#039;2007&#039;&#039; numbers do not summarize anything.&lt;br /&gt;
* Columns are separated from each other using colors, which makes it difficult to scan through the rows and compare numbers from one row to each other.&lt;br /&gt;
* The spanner header &#039;&#039;2005&#039;&#039; is not aligned to the center, while all other spanner headers are center-aligned.&lt;br /&gt;
* The outer grid is not necessary.&lt;br /&gt;
* More categories are available in the &#039;&#039;2006&#039;&#039; section than in the &#039;&#039;2005&#039;&#039; and &#039;&#039;2007&#039;&#039; section.&lt;br /&gt;
&lt;br /&gt;
== Adapted table ==&lt;br /&gt;
&lt;br /&gt;
[[Image:ue2_adaptedtable_0426716.gif]]&lt;br /&gt;
&lt;br /&gt;
== Adaptions ==&lt;br /&gt;
* The color-seperation with multiple colors was replaced by a seperation with two colors (grey background on every second row). This makes the information more readable and doesn&#039;t distract the reader like before.&lt;br /&gt;
* The numbers / decimal points are aligned in all columns to make comparisons easier.&lt;br /&gt;
* The usage of a comma/point is being applied to all numbers the same so that they look consistent.&lt;br /&gt;
* The %-Symbol has been placed to the right of every percentage value to make it more clear that those numbers are percentaged numbers.&lt;br /&gt;
* The formatting in the headers and the table now has a standard. &lt;br /&gt;
* The usage of decimal places has been standardized.&lt;br /&gt;
* One font has been chosen for the whole table diversifying in weight and size depending on the importance of the information.&lt;br /&gt;
* All year headers are now bold to make them stand out in comparison with the rest of the text. This should bring out that the comparison between the years is important. &lt;br /&gt;
* The numbers in the total column are bold and there is a horizontal line to make this row stand out more.&lt;br /&gt;
* The seperation through a whitespace is a great way to seperate columns. &lt;br /&gt;
* The spanner-headers are all aligned the same way to make it more pleasant to the eye.&lt;br /&gt;
* The outer grid has been removed so it doesn&#039;t distract the reader from the necessary information.&lt;br /&gt;
* We recalculated the Alteration Colums because we thought that a percentage increase/decrease is more significant than an absolute number. &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
&lt;br /&gt;
* [[Teaching:TUW_-_UE_InfoVis_WS_2008/09|InfoVis:Wiki UE Homepage]]&lt;br /&gt;
&lt;br /&gt;
* [http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/ UE InfoVis]&lt;br /&gt;
&lt;br /&gt;
*[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05|Gruppe 05]]&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_2&amp;diff=20664</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 2</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_2&amp;diff=20664"/>
		<updated>2008-12-08T12:52:22Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Aufgabenstellung ==&lt;br /&gt;
[http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/infovis_ue_aufgabe2.html Beschreibung der Aufgabe 2]&lt;br /&gt;
&lt;br /&gt;
=== Zu beurteilende Tabelle ===&lt;br /&gt;
&lt;br /&gt;
[[Image:AnimalsKilledforFood.jpg|600px]]&lt;br /&gt;
&lt;br /&gt;
== Critical comments ==&lt;br /&gt;
&lt;br /&gt;
* Too many colors where white space would be sufficient.&lt;br /&gt;
* The comparison column &#039;&#039;07/06&#039;&#039; is placed between the two columns it refers to (&#039;&#039;2006&#039;&#039; and &#039;&#039;2007&#039;&#039;), but this is not true for the comparison column &#039;&#039;06/05&#039;&#039;.&lt;br /&gt;
* In the columns &#039;&#039;06/05&#039;&#039; and &#039;&#039;07/06&#039;&#039; the numbers / decimal points are not aligned.&lt;br /&gt;
* A comma is placed to the left of every three digits in the &#039;&#039;Total&#039;&#039; row, but not in the table body.&lt;br /&gt;
* In the &#039;&#039;%died&#039;&#039; column, a % sign is missing after each number.&lt;br /&gt;
* In the column headers, years are sometimes formatted using four digits (e.g. &#039;&#039;2005&#039;&#039;), and sometimes using two digits (e.g. &#039;&#039;06/05&#039;&#039;).&lt;br /&gt;
* Columns &#039;&#039;06/05&#039;&#039; and &#039;&#039;07/06&#039;&#039; use a higher precision / more digits after the comma.&lt;br /&gt;
* Different fonts are used in the table body and the column / row headers.&lt;br /&gt;
* Some column headers are set to bold font and some are not.&lt;br /&gt;
* All numbers in the &#039;&#039;2007&#039;&#039; column are bold just like the numbers in the &#039;&#039;Total&#039;&#039; row, although the &#039;&#039;2007&#039;&#039; numbers do not summarize anything.&lt;br /&gt;
* Columns are separated from each other using colors, which makes it difficult to scan through the rows and compare numbers from one row to each other.&lt;br /&gt;
* The spanner header &#039;&#039;2005&#039;&#039; is not aligned to the center, while all other spanner headers are center-aligned.&lt;br /&gt;
* The outer grid is not necessary.&lt;br /&gt;
* More categories are available in the &#039;&#039;2006&#039;&#039; section than in the &#039;&#039;2005&#039;&#039; and &#039;&#039;2007&#039;&#039; section.&lt;br /&gt;
&lt;br /&gt;
== Adapted table ==&lt;br /&gt;
&lt;br /&gt;
[[Image:ue2_adaptedtable_0426716.gif]]&lt;br /&gt;
&lt;br /&gt;
== Adaptions ==&lt;br /&gt;
* The color-seperation was replaced by a whitespace(grey background on every second row). By using the whitespaces the colors don&#039;t distract and the information is easily readable&lt;br /&gt;
* The comparison columns were placed at the end of the table. The placement between the years leads to confusion&lt;br /&gt;
* The numbers / decimal points are aligned in all columns&lt;br /&gt;
* The usage of a comma/point is being applied to all numbers the same&lt;br /&gt;
* The %-Symbol has been added everywhere it is supposed to be&lt;br /&gt;
* The formatting in the headers and the table now has a standard. &lt;br /&gt;
* The usage of decimal places has been standardized&lt;br /&gt;
* One font has been chosen for the whole table diversifying in weight and size&lt;br /&gt;
* All column headers are now bold&lt;br /&gt;
* Only the numbers in the total column are now bold. This way there is no confusion about the usage of this formating &lt;br /&gt;
* The seperation through a whitespace is a great way to seperate columns. &lt;br /&gt;
* The spanner-headers are all aligned the same way&lt;br /&gt;
* The outer grid has been removed&lt;br /&gt;
* Due to the fact, that there is not enough information in the years 2005 and 2007, the main order in the table is now the &amp;quot;killed&amp;quot; column. From this column there is the information from all given years&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
&lt;br /&gt;
* [[Teaching:TUW_-_UE_InfoVis_WS_2008/09|InfoVis:Wiki UE Homepage]]&lt;br /&gt;
&lt;br /&gt;
* [http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/ UE InfoVis]&lt;br /&gt;
&lt;br /&gt;
*[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05|Gruppe 05]]&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_3&amp;diff=20663</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 3</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_3&amp;diff=20663"/>
		<updated>2008-12-08T12:13:52Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Aufgabenstellung ==&lt;br /&gt;
[http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/infovis_ue_aufgabe3.html Beschreibung der Aufgabe 3]&lt;br /&gt;
&lt;br /&gt;
=== Zu beurteilende Grafik ===&lt;br /&gt;
[[Image:Klimafaktor-vieh die-zeit 04-2007.jpg|600px]]&amp;lt;br&amp;gt;&lt;br /&gt;
Treibhausgas-Emissionen durch tierische Gase und Dung in den Weltregionen&lt;br /&gt;
&lt;br /&gt;
== Critical comments ==&lt;br /&gt;
&lt;br /&gt;
===Interpreting the Data===&lt;br /&gt;
&lt;br /&gt;
* In order to interpret the graphic we first wanted to know what kind of information should be compared to each other. We found out that the main statement of the graphic is not perceptible out of the design. There could be two different ways of interpreting the data:&lt;br /&gt;
# A comparison of the amount of emission of greenhouse gas between the different kinds of keeping inside a country	&lt;br /&gt;
# A comparison of the amount of emission of greenhouse gas per keeping between all countries&lt;br /&gt;
* Because there are no scales it is hard to estimate how much tons of gas there are emitted there&#039;s only mentioned the totaling amount of 150 million tons.&lt;br /&gt;
* It is hard to determine which countries are combinded in a region especially in Asia.&lt;br /&gt;
* There is no explanation in the legend that tells us what an empty entry in a table means. It could mean that there is no emission because of the absence of the kind of keeping or it could mean that there is no data for this kind of keeping.&lt;br /&gt;
* A comparison of the emission of greenhouse gas between the animals is difficult when there are many different animals in a region.&lt;br /&gt;
* It is very disturbing for interpreting the data that the tables are placed at a different height.&lt;br /&gt;
&lt;br /&gt;
===Data-Ink Ratio===&lt;br /&gt;
&lt;br /&gt;
According to E. Tufte the data-ink ratio can be computed as follows: (data-ink) / (all-ink used to print the graphic) = data-ink-ratio. This means that you should only display significant data in a graphic. &lt;br /&gt;
&lt;br /&gt;
* In our opinion it is a decorative idea to use a map of the world for displaying the data but not a good one. This kind of style is disturbing the because it prescinds from the relevant information. &lt;br /&gt;
&lt;br /&gt;
===Visual Clutter===&lt;br /&gt;
&lt;br /&gt;
====Color====&lt;br /&gt;
&lt;br /&gt;
* The colors used for the world map are very hard to distinguish and that&#039;s why it&#039;s hard to determine which countries are related	to which table.&lt;br /&gt;
* It&#039;s difficult to identify the different kinds of animals when there is much data in a table especially when dark blue, blue and green are close together.&lt;br /&gt;
&lt;br /&gt;
====Legend====&lt;br /&gt;
&lt;br /&gt;
* The legend is scattered all over the graphic which disturbes reading it.&lt;br /&gt;
* The largest font size is used to display the headline that draws off the attention.&lt;br /&gt;
&lt;br /&gt;
== Adapted graphic ==&lt;br /&gt;
&lt;br /&gt;
[[Image:diagramm0426716.gif|800px]]&lt;br /&gt;
&lt;br /&gt;
== Adaptions ==&lt;br /&gt;
&lt;br /&gt;
== Links ==&lt;br /&gt;
&lt;br /&gt;
* [[Teaching:TUW_-_UE_InfoVis_WS_2008/09|InfoVis:Wiki UE Homepage]]&lt;br /&gt;
&lt;br /&gt;
* [http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/ UE InfoVis]&lt;br /&gt;
&lt;br /&gt;
* [[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05|Gruppe 05]]&lt;br /&gt;
&lt;br /&gt;
==References==&lt;br /&gt;
&lt;br /&gt;
*[Tufte et al., 1999] E. Tufte Design Principle Project: The Visual Display of Quantitative Information, Retrieved at: December 08, 2008. http://ldt.stanford.edu/ldt1999/Students/mizuno/Portfolio/Work/reports/tufte/ed229c-tufte-outline.html&lt;br /&gt;
*[Few, 2004a] Show Me the Numbers: Designing Tables and Graphs to Enlighten, Analytics Press, 2004, Chapter 7 - General Design for Communication.&lt;br /&gt;
*[Few, 2004b] Elegance Through Simplicity Article about redesigning graphs . Retrieved at: December 08, 2008. http://www.intelligententerprise.com/showArticle.jhtml;jsessionid=N2ATDQWY5VYKSQSNDBGCKHSCJUMEKJVN?articleID=49400920&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching_talk:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_2&amp;diff=20591</id>
		<title>Teaching talk:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 2</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching_talk:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_2&amp;diff=20591"/>
		<updated>2008-12-02T18:38:31Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Bewertung ==&lt;br /&gt;
&#039;&#039;&#039;vorläufige Bewertung: 17 von 20 Punkten&#039;&#039;&#039;&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
&#039;&#039;&#039;Verbesserungsvorschläge:&#039;&#039;&#039;&amp;lt;br&amp;gt;&lt;br /&gt;
*Die vertikalen Linien am besten weglassen, da der horizontale Lesefluss sonst unterbrochen wird.&lt;br /&gt;
*’% Died’ gehört eigentlich möglichst nah zur ’Born’-Spalte, da sich die % auf diese Werte beziehen. Ich würde die Spalte ’% Died’ jedoch weglassen, da sie mir als obsolet in diesem Zusammenhang erscheint. &lt;br /&gt;
*Spalten ’Alteration..’ sollten möglichst nah bei den zugehörigen Spalten stehen.&lt;br /&gt;
*Die Zeile ’Total’ ist von den anderen Zeilen optisch schlecht unterscheidbar – eine horizontale Unterbrechungslinie (Rule) wäre hier gut.&lt;br /&gt;
*Die Tabelle ist sehr schwierig, da z.T. unterschiedliche Informationen für jedes Jahr vorhanden sind. Dafür ist euch der Neuentwurf jedoch ganz gut gelungen! Trotzdem noch ein paar Verbesserungsvorschläge, die die Tabelle ev. noch übersichtlicher machen können:&lt;br /&gt;
**Ich würde die Jahre als Spanner-Header hernehmen und darunter die jeweiligen Kategorien anordnen (wie bei der gegebenen Tabelle, also z.B. bei 2007: Born, Died, Slaughtered, Killed). &amp;gt; Die Jahre muss man sonst bei den Spalten ’suchen’ – d.h. man springt mit den Augen hin und her um alle Spalten des Jahres 2005 zu betrachten. &lt;br /&gt;
**Die Spalten ’Alteration…’ jeweils unter den Spanner-Header (möglichst nah zur Spalte ’Killed’ des höheren Jahres, also z.B. 06/05 &amp;gt; 2006. &lt;br /&gt;
**White Space zwischen unterschiedlichen Jahren etwas größer (innerhalb der Jahre kleiner).&lt;br /&gt;
*Ganze Sätze sollten jeweils mit einem Punkt beendet werden.&lt;br /&gt;
*Bei ’Adaptions’ fehlen nähere Erläuterungen und Begründungen zu den vorgenommenen Änderungen. (Bsp. ’ All column headers are now bold’ &amp;gt; Wieso?)&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
-- [[User:Martha_Kaltenecker|Martha Kaltenecker]] 18:23, 28 November 2008 (CET) &amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Ich hätte eine frage: reicht es aus, zwischen den Jahren nur eine Trennung durch etwas größere whitespaces zu haben? Ein Kritikpunkt waren ja die senkrechten Linien, da die den lesefluss stören. ich tu mir jedoch schwer, einen kompromiss zwischen einer sichtbaren trennung und einem guten Lesefluss zu finden.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
-- [[User:UE-InfoVis0809 0425160|Katharina Wendelin]] 19:36, 02 Dezember 2008 (CET) &amp;lt;br&amp;gt;&amp;lt;br&amp;gt;&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20461</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 1 - Mach band</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20461"/>
		<updated>2008-11-23T12:38:58Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Mach Band ==&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
===DEFINITION===&lt;br /&gt;
&lt;br /&gt;
{{Quotation| Mach bands are an optical illusion consisting of an image of two wide bands, one light and one dark, separated by a narrow strip with a light-to-dark gradient. The human eye perceives two narrow bands of different brightnesses either side of the gradient that are not present in the original image. The illusion is named after Ernst Mach. |[Wikipedia]}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
===OCCURENCE===&lt;br /&gt;
&lt;br /&gt;
The machband effect can be perceived by looking at two neighboring surfaces with different luminance that are either black and white or colored. The bigger the contrast in light intensities the more apperend Mach bands will be.  &lt;br /&gt;
&lt;br /&gt;
===CAUSATION===&lt;br /&gt;
&lt;br /&gt;
The mach band effect is supposed to be caused by lateral inhibition. Imagine three neighbouring&lt;br /&gt;
retina receptor cells - each one of them is stimulated at a different light-intensity level. The level of the&lt;br /&gt;
stimulation is transformed into action potentials and later on forwarded to its&lt;br /&gt;
neighbours. Inhibitory interneurons weaken these signals and transfer them to so&lt;br /&gt;
called secondary neurons. The attenuation is proportional to the excitation of the&lt;br /&gt;
interneurons. By the summation of exciting and alleviative factors to the second&lt;br /&gt;
neuron a contrast enhancement is archieved.&lt;br /&gt;
&lt;br /&gt;
As shown in the image below, we have to examine the edge which is represented schematically between an&lt;br /&gt;
homogenous bright area (between receptor 1 and 5) and an homogenous dark area&lt;br /&gt;
(between receptor 6 and 10). Without interaction every receptor of 1 to 5 would&lt;br /&gt;
represent the same high and every receptor from 6-10 the same low signal. But&lt;br /&gt;
because of the connection by an horizontal receptor cell the signal of for example receptor 3 is&lt;br /&gt;
attenuated because his neighbours impact on it inhibitorily. Only 5 and 6 are not&lt;br /&gt;
affected because the have the same amount of inhibitory and excitatory neighbours.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Image:Machband.JPG]]&lt;br /&gt;
&lt;br /&gt;
===EXAMPLES===&lt;br /&gt;
&lt;br /&gt;
White to black in 10 Steps&lt;br /&gt;
&lt;br /&gt;
[[Image:w2b_10steps.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to grey (255,255,255 -&amp;gt; 200,200,200) in 20 Steps&lt;br /&gt;
&lt;br /&gt;
[[Image:w2grey_15.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to a lighter grey(220) in 20 steps (you can see the difference? – probably)&lt;br /&gt;
&lt;br /&gt;
[[Image:w2lg_15steps.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Same as above but with seperators (Can you see a difference in the middle&lt;br /&gt;
part?)&lt;br /&gt;
&lt;br /&gt;
[[Image:w2lg_stripes_15.gif]]&lt;br /&gt;
&lt;br /&gt;
===Machband and Rendering===&lt;br /&gt;
&lt;br /&gt;
Due to the linear intensity interpolation the Mach bands can cause trouble when for example&lt;br /&gt;
using Gouraud Shading for rendering. Here the Machband effect can be visible at the&lt;br /&gt;
edges of polygons. A rendering method which can work around the mach-band is&lt;br /&gt;
Phong Shading.&lt;br /&gt;
&lt;br /&gt;
===LINKS===&lt;br /&gt;
&lt;br /&gt;
[Mach Banding Interactive Demonstration] http://www.nbb.cornell.edu/neurobio/land/OldStudentProjects/cs490-96to97/anson/MachBandingApplet/&lt;br /&gt;
&lt;br /&gt;
===REFERENCES===&lt;br /&gt;
&lt;br /&gt;
[Schmitt, Sturm, Pries, 2006] Lutz Pries, Frank Schmitt, Patrick Sturm. Fragmente eines Skripts zur Bildverarbeitung. 31. Oktober 2006, http://www.uni-koblenz.de/~lb/lehre/ws2006/bv/bvbuch.pdf&lt;br /&gt;
&lt;br /&gt;
[Jo Baer, 2008] Jo Bear, Mach bands. Retrieved at 22.11.2008. http://www.ubu.com/aspen/aspen8/machBands.html&lt;br /&gt;
&lt;br /&gt;
[Biokurs.de] Lichtsinn. http://www.biokurs.de/skripten/12/bs12-38b.htm&lt;br /&gt;
&lt;br /&gt;
[Wikipedia, 2008] Wikipedia.org, Laterale Hemmung. Retrieved at 22.11.2008. http://de.wikipedia.org/wiki/Laterale_Hemmung&lt;br /&gt;
&lt;br /&gt;
[Wikipedia, 2008] Wikipedia.org, Mach bands. Retrieved at 22.11.2008 http://en.wikipedia.org/wiki/Mach_bands&lt;br /&gt;
&lt;br /&gt;
[Perceptual Stuff] http://perceptualstuff.org/machbandsbasic.html&lt;br /&gt;
&lt;br /&gt;
[The Joy of Visual Perception] http://www.yorku.ca/eye/machband.htm&lt;br /&gt;
&lt;br /&gt;
[Mach Banding Interactive Demonstration] http://www.nbb.cornell.edu/neurobio/land/OldStudentProjects/cs490-96to97/anson/MachBandingApplet/&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20460</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 1 - Mach band</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20460"/>
		<updated>2008-11-23T12:32:09Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Mach Band ==&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
===DEFINITION===&lt;br /&gt;
&lt;br /&gt;
{{Quotation| Mach bands are an optical illusion consisting of an image of two wide bands, one light and one dark, separated by a narrow strip with a light-to-dark gradient. The human eye perceives two narrow bands of different brightnesses either side of the gradient that are not present in the original image. The illusion is named after Ernst Mach. |[Wikipedia]}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
===OCCURENCE===&lt;br /&gt;
&lt;br /&gt;
The machband effect can be perceived by looking at two neighboring surfaces with different luminance that are either black and white or colored. The bigger the contrast in light intensities the more apperend Mach bands will be.  &lt;br /&gt;
&lt;br /&gt;
===CAUSATION===&lt;br /&gt;
&lt;br /&gt;
The mach band effect is supposed to be caused by lateral inhibition. Imagine three neighbouring&lt;br /&gt;
retina receptor cells - each one of them is stimulated at a different light-intensity level. The level of the&lt;br /&gt;
stimulation is transformed into action potentials and later on forwarded to its&lt;br /&gt;
neighbours. Inhibitory interneurons weaken these signals and transfer them to so&lt;br /&gt;
called secondary neurons. The attenuation is proportional to the excitation of the&lt;br /&gt;
interneurons. By the summation of exciting and alleviative factors to the second&lt;br /&gt;
neuron a contrast enhancement is archieved.&lt;br /&gt;
&lt;br /&gt;
As shown in the image below, we have to examine the edge which is represented schematically between an&lt;br /&gt;
homogenous bright area (between receptor 1 and 5) and an homogenous dark area&lt;br /&gt;
(between receptor 6 and 10). Without interaction every receptor of 1 to 5 would&lt;br /&gt;
represent the same high and every receptor from 6-10 the same low signal. But&lt;br /&gt;
because of the connection by an horizontal receptor cell the signal of for example receptor 3 is&lt;br /&gt;
attenuated because his neighbours impact on it inhibitorily. Only 5 and 6 are not&lt;br /&gt;
affected because the have the same amount of inhibitory and excitatory neighbours.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Image:Machband.JPG]]&lt;br /&gt;
&lt;br /&gt;
===EXAMPLES===&lt;br /&gt;
&lt;br /&gt;
White to black in 10 Steps&lt;br /&gt;
&lt;br /&gt;
[[Image:w2b_10steps.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to grey (255,255,255 -&amp;gt; 200,200,200) in 20 Steps&lt;br /&gt;
&lt;br /&gt;
[[Image:w2grey_15.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to a lighter grey(220) in 20 steps (you can see the difference? – probably)&lt;br /&gt;
&lt;br /&gt;
[[Image:w2lg_15steps.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Same as above but with seperators (Can you see a difference in the middle&lt;br /&gt;
part?)&lt;br /&gt;
&lt;br /&gt;
[[Image:w2lg_stripes_15.gif]]&lt;br /&gt;
&lt;br /&gt;
===Machband and Rendering===&lt;br /&gt;
&lt;br /&gt;
Due to the linear intensity interpolation the Mach bands can cause trouble when for example&lt;br /&gt;
using Gouraud Shading for rendering. Here the Machband effect can be visible at the&lt;br /&gt;
edges of polygons. A rendering method which can work around the mach-band is&lt;br /&gt;
Phong Shading.&lt;br /&gt;
&lt;br /&gt;
===LINKS===&lt;br /&gt;
&lt;br /&gt;
[Mach Banding Interactive Demonstration] http://www.nbb.cornell.edu/neurobio/land/OldStudentProjects/cs490-96to97/anson/MachBandingApplet/&lt;br /&gt;
&lt;br /&gt;
===REFERENCES===&lt;br /&gt;
&lt;br /&gt;
[Schmitt, Sturm, Pries, 2006] Lutz Pries, Frank Schmitt, Patrick Sturm. Fragmente eines Skripts zur Bildverarbeitung. 31. Oktober 2006, http://www.uni-koblenz.de/~lb/lehre/ws2006/bv/bvbuch.pdf&lt;br /&gt;
&lt;br /&gt;
[Jo Baer] Mach bands. Retrieved at 22.11.2008. http://www.ubu.com/aspen/aspen8/machBands.html&lt;br /&gt;
&lt;br /&gt;
[Biokurs.de] Lichtsinn. http://www.biokurs.de/skripten/12/bs12-38b.htm&lt;br /&gt;
&lt;br /&gt;
[Wikipedia,2008] Wikipedia.org, Laterale Hemmung. Retrieved at 22.11.2008. http://de.wikipedia.org/wiki/Laterale_Hemmung&lt;br /&gt;
&lt;br /&gt;
[Wikipedia,2008] Wikipedia.org, Mach bands. Retrieved at 22.11.2008 http://en.wikipedia.org/wiki/Mach_bands&lt;br /&gt;
&lt;br /&gt;
[Perceptual Stuff] http://perceptualstuff.org/machbandsbasic.html&lt;br /&gt;
&lt;br /&gt;
[The Joy of Visual Perception] http://www.yorku.ca/eye/machband.htm&lt;br /&gt;
&lt;br /&gt;
[Mach Banding Interactive Demonstration] http://www.nbb.cornell.edu/neurobio/land/OldStudentProjects/cs490-96to97/anson/MachBandingApplet/&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20458</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 1 - Mach band</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20458"/>
		<updated>2008-11-22T17:08:27Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Mach Band ==&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
===DEFINITION===&lt;br /&gt;
&lt;br /&gt;
{{Quotation| Mach bands are an optical illusion consisting of an image of two wide bands, one light and one dark, separated by a narrow strip with a light-to-dark gradient. The human eye perceives two narrow bands of different brightnesses either side of the gradient that are not present in the original image. The illusion is named after Ernst Mach. |[Wikipedia]}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
===OCCURENCE===&lt;br /&gt;
&lt;br /&gt;
The machband effect can be perceived by looking at two neighboring surfaces with different luminance that are either black and white or colored. The bigger the contrast in light intensities the more apperend Mach bands will be.  &lt;br /&gt;
&lt;br /&gt;
===CAUSATION===&lt;br /&gt;
&lt;br /&gt;
The mach band effect is supposed to be caused by lateral inhibition. Imagine three neighbouring&lt;br /&gt;
retina receptor cells - each one of them is stimulated at a different light-intensity level. The level of the&lt;br /&gt;
stimulation is transformed into action potentials and later on forwarded to its&lt;br /&gt;
neighbours. Inhibitory interneurons weaken these signals and transfer them to so&lt;br /&gt;
called secondary neurons. The attenuation is proportional to the excitation of the&lt;br /&gt;
interneurons. By the summation of exciting and alleviative factors to the second&lt;br /&gt;
neuron a contrast enhancement is archieved.&lt;br /&gt;
&lt;br /&gt;
As shown in the image below, we have to examine the edge which is represented schematically between an&lt;br /&gt;
homogenous bright area (between receptor 1 and 5) and an homogenous dark area&lt;br /&gt;
(between receptor 6 and 10). Without interaction every receptor of 1 to 5 would&lt;br /&gt;
represent the same high and every receptor from 6-10 the same low signal. But&lt;br /&gt;
because of the connection by an horizontal receptor cell the signal of for example receptor 3 is&lt;br /&gt;
attenuated because his neighbours impact on it inhibitorily. Only 5 and 6 are not&lt;br /&gt;
affected because the have the same amount of inhibitory and excitatory neighbours.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Image:Machband.JPG]]&lt;br /&gt;
&lt;br /&gt;
===EXAMPLES===&lt;br /&gt;
&lt;br /&gt;
White to black in 10 Steps&lt;br /&gt;
&lt;br /&gt;
[[Image:w2b_10steps.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to grey (255,255,255 -&amp;gt; 200,200,200) in 20 Steps&lt;br /&gt;
&lt;br /&gt;
[[Image:w2grey_15.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to a lighter grey(220) in 20 steps (you can see the difference? – probably)&lt;br /&gt;
&lt;br /&gt;
[[Image:w2lg_15steps.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Same as above but with seperators (Can you see a difference in the middle&lt;br /&gt;
part?)&lt;br /&gt;
&lt;br /&gt;
[[Image:w2lg_stripes_15.gif]]&lt;br /&gt;
&lt;br /&gt;
===Machband and Rendering===&lt;br /&gt;
&lt;br /&gt;
Due to the linear intensity interpolation the Mach bands can cause trouble when for example&lt;br /&gt;
using Gouraud Shading for rendering. Here the Machband effect can be visible at the&lt;br /&gt;
edges of polygons. A rendering method which can work around the mach-band is&lt;br /&gt;
Phong Shading.&lt;br /&gt;
&lt;br /&gt;
===LINKS===&lt;br /&gt;
&lt;br /&gt;
[Mach Banding Interactive Demonstration] http://www.nbb.cornell.edu/neurobio/land/OldStudentProjects/cs490-96to97/anson/MachBandingApplet/&lt;br /&gt;
&lt;br /&gt;
===REFERENCES===&lt;br /&gt;
&lt;br /&gt;
[Schmitt, Sturm, Pries, 2006] Lutz Pries, Frank Schmitt, Patrick Sturm. Fragmente eines Skripts&lt;br /&gt;
zur Bildverarbeitung. 31. Oktober 2006, http://www.uni-koblenz.de/~lb/lehre/ws2006/bv/bvbuch.pdf&lt;br /&gt;
&lt;br /&gt;
[Jo Baer] http://www.ubu.com/aspen/aspen8/machBands.html&lt;br /&gt;
&lt;br /&gt;
[Biokurs.de] Lichtsinn. http://www.biokurs.de/skripten/12/bs12-38b.htm&lt;br /&gt;
&lt;br /&gt;
[Wikipedia] http://de.wikipedia.org/wiki/Laterale_Hemmung&lt;br /&gt;
&lt;br /&gt;
[Wikipedia] http://en.wikipedia.org/wiki/Mach_bands&lt;br /&gt;
&lt;br /&gt;
[Perceptual Stuff] http://perceptualstuff.org/machbandsbasic.html&lt;br /&gt;
&lt;br /&gt;
[The Joy of Visual Perception] http://www.yorku.ca/eye/machband.htm&lt;br /&gt;
&lt;br /&gt;
[Mach Banding Interactive Demonstration] http://www.nbb.cornell.edu/neurobio/land/OldStudentProjects/cs490-96to97/anson/MachBandingApplet/&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20457</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 1 - Mach band</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20457"/>
		<updated>2008-11-22T16:42:29Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Mach Band ==&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
===DEFINITION===&lt;br /&gt;
&lt;br /&gt;
{{Quotation| Mach bands are an optical illusion consisting of an image of two wide bands, one light and one dark, separated by a narrow strip with a light-to-dark gradient. The human eye perceives two narrow bands of different brightnesses either side of the gradient that are not present in the original image. The illusion is named after Ernst Mach. |[Wikipedia]}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
===CAUSATION===&lt;br /&gt;
&lt;br /&gt;
The mach band effect is supposed to be caused by lateral inhibition. Imagine three neighbouring&lt;br /&gt;
retina receptor cells - each one of them is stimulated at a different light-intensity level. The level of the&lt;br /&gt;
stimulation is transformed into action potentials and later on forwarded to its&lt;br /&gt;
neighbours. Inhibitory interneurons weaken these signals and transfer them to so&lt;br /&gt;
called secondary neurons. The attenuation is proportional to the excitation of the&lt;br /&gt;
interneurons. By the summation of exciting and alleviative factors to the second&lt;br /&gt;
neuron a contrast enhancement is archieved.&lt;br /&gt;
&lt;br /&gt;
As shown in the image below, we have to examine the edge which is represented schematically between an&lt;br /&gt;
homogenous bright area (between receptor 1 and 5) and an homogenous dark area&lt;br /&gt;
(between receptor 6 and 10). Without interaction every receptor of 1 to 5 would&lt;br /&gt;
represent the same high and every receptor from 6-10 the same low signal. But&lt;br /&gt;
because of the connection by an horizontal receptor cell the signal of for example receptor 3 is&lt;br /&gt;
attenuated because his neighbours impact on it inhibitorily. Only 5 and 6 are not&lt;br /&gt;
affected because the have the same amount of inhibitory and excitatory neighbours.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
[[Image:Machband.JPG]]&lt;br /&gt;
&lt;br /&gt;
===EXAMPLES===&lt;br /&gt;
&lt;br /&gt;
Try to differ as many colors as possible&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to black in 10 Steps&lt;br /&gt;
&lt;br /&gt;
[[Image:w2b_10steps.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to grey (255,255,255 -&amp;gt; 200,200,200) in 20 Steps&lt;br /&gt;
&lt;br /&gt;
[[Image:w2grey_15.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to a lighter grey(220) in 20 steps (you can see the difference? – probably)&lt;br /&gt;
&lt;br /&gt;
[[Image:w2lg_15steps.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Same as above but with seperators (Can you see a difference in the middle&lt;br /&gt;
part?)&lt;br /&gt;
&lt;br /&gt;
[[Image:w2lg_stripes_15.gif]]&lt;br /&gt;
&lt;br /&gt;
===Machband and Rendering===&lt;br /&gt;
&lt;br /&gt;
Due to the linear intensity interpolation the Mach bands can cause trouble when for example&lt;br /&gt;
using Gouraud Shading for rendering. Here the Machband effect can be visible at the&lt;br /&gt;
edges of polygons. A rendering method which can work around the mach-band is&lt;br /&gt;
Phong Shading.&lt;br /&gt;
&lt;br /&gt;
===LINKS===&lt;br /&gt;
&lt;br /&gt;
[Mach Banding Interactive Demonstration] http://www.nbb.cornell.edu/neurobio/land/OldStudentProjects/cs490-96to97/anson/MachBandingApplet/&lt;br /&gt;
&lt;br /&gt;
===REFERENCES===&lt;br /&gt;
&lt;br /&gt;
[Schmitt, Sturm, Pries, 2006] Lutz Pries, Frank Schmitt, Patrick Sturm. Fragmente eines Skripts&lt;br /&gt;
zur Bildverarbeitung. 31. Oktober 2006, http://www.uni-koblenz.de/~lb/lehre/ws2006/bv/bvbuch.pdf&lt;br /&gt;
&lt;br /&gt;
[Biokurs.de] Lichtsinn. http://www.biokurs.de/skripten/12/bs12-38b.htm&lt;br /&gt;
&lt;br /&gt;
[Wikipedia] http://de.wikipedia.org/wiki/Laterale_Hemmung&lt;br /&gt;
&lt;br /&gt;
[Wikipedia] http://en.wikipedia.org/wiki/Mach_bands&lt;br /&gt;
&lt;br /&gt;
[Perceptual Stuff] http://perceptualstuff.org/machbandsbasic.html&lt;br /&gt;
&lt;br /&gt;
[The Joy of Visual Perception] http://www.yorku.ca/eye/machband.htm&lt;br /&gt;
&lt;br /&gt;
[Mach Banding Interactive Demonstration] http://www.nbb.cornell.edu/neurobio/land/OldStudentProjects/cs490-96to97/anson/MachBandingApplet/&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=File:Machband.JPG&amp;diff=20456</id>
		<title>File:Machband.JPG</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=File:Machband.JPG&amp;diff=20456"/>
		<updated>2008-11-22T16:20:54Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Beschreibung ==&lt;br /&gt;
interaction of receptor cells&lt;br /&gt;
&lt;br /&gt;
== Copyright status ==&lt;br /&gt;
&lt;br /&gt;
== Source ==&lt;br /&gt;
http://www.uni-koblenz.de/~lb/lehre/ws2006/bv/bvbuch.pdf&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=File:Machband.JPG&amp;diff=20455</id>
		<title>File:Machband.JPG</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=File:Machband.JPG&amp;diff=20455"/>
		<updated>2008-11-22T16:18:39Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: New page: == Beschreibung ==  == Copyright status ==  == Source == http://www.uni-koblenz.de/~lb/lehre/ws2006/bv/bvbuch.pdf&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Beschreibung ==&lt;br /&gt;
&lt;br /&gt;
== Copyright status ==&lt;br /&gt;
&lt;br /&gt;
== Source ==&lt;br /&gt;
http://www.uni-koblenz.de/~lb/lehre/ws2006/bv/bvbuch.pdf&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20100</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 1 - Mach band</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20100"/>
		<updated>2008-11-07T10:18:24Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Mach Band ==&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
===DEFINITION===&lt;br /&gt;
&lt;br /&gt;
{{Quotation| Mach bands are an optical illusion consisting of an image of two wide bands, one&lt;br /&gt;
light and one dark, separated by a narrow strip with a light-to-dark gradient. The&lt;br /&gt;
human eye perceives two narrow bands of different brightnesses either side of the&lt;br /&gt;
gradient that are not present in the original image. The illusion is named after Ernst&lt;br /&gt;
Mach. |[Wikipedia]}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
----&lt;br /&gt;
&lt;br /&gt;
===EXAMPLES===&lt;br /&gt;
&lt;br /&gt;
Try to differ as many colors as possible&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to black in 10 Steps&lt;br /&gt;
&lt;br /&gt;
[[Image:w2b_10steps.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to grey (255,255,255 -&amp;gt; 200,200,200) in 20 Steps&lt;br /&gt;
&lt;br /&gt;
[[Image:w2grey_15.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to a lighter grey(220) in 20 steps (you can see the difference? – probably)&lt;br /&gt;
&lt;br /&gt;
[[Image:w2lg_15steps.gif]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Same as above but with seperators (Can you see a difference in the middle&lt;br /&gt;
part?)&lt;br /&gt;
&lt;br /&gt;
[[Image:w2lg_stripes_15.gif]]&lt;br /&gt;
&lt;br /&gt;
Try it out with different colors&lt;br /&gt;
http://www.nbb.cornell.edu/neurobio/land/OldStudentProjects/cs490-96to97/anson/MachBandingApplet/&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
This effect is supposed to be caused by lateral inhibition. Imagine three neighbouring&lt;br /&gt;
retina cells - each one of them is stimulated at a different label. The level of the&lt;br /&gt;
stimulation is transformed into action potentials and later on forwarded to its&lt;br /&gt;
neighbours. Inhibitory interneurons weaken these signals and transfer them to so&lt;br /&gt;
called secondary neurons. The attenuation is proportional to the excitation of the&lt;br /&gt;
interneurons. By the summation of exciting and alleviative factors to the second&lt;br /&gt;
neuron a contrast enhancement is archieved.&lt;br /&gt;
We have to examine the edge which is represented schematically between an&lt;br /&gt;
homogenous bright area (between receptor 1 and 5) and an homogenous dark area&lt;br /&gt;
(between receptor 6 and 10). Without interaction every receptor of 1 to 5 would&lt;br /&gt;
represent the same high and every receptor from 6-10 the same low signal. But&lt;br /&gt;
because of the connection by an horizontal cell the signal of for example receptor 3 is&lt;br /&gt;
attenuated because his neighbours impact on it inhibitorily. Only 5 and 6 are not&lt;br /&gt;
affected because the have the same amount of inhibitory and excitatory neighbours.&lt;br /&gt;
&lt;br /&gt;
===Machband and Rendering===&lt;br /&gt;
&lt;br /&gt;
Due to the linear intensity interpolation the Mach bands can cause trouble when&lt;br /&gt;
using Gouroud Shading for rendering. Here the Machband effect can be visible at the&lt;br /&gt;
edges of polygons. A rendering method which can work around the mach-band is&lt;br /&gt;
Phong Shading.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
===REFERENCES===&lt;br /&gt;
&lt;br /&gt;
[Schmitt, Sturm, Pries, 2006] Lutz Pries, Frank Schmitt, Patrick Sturm. Fragmente eines Skripts&lt;br /&gt;
zur Bildverarbeitung. 31. Oktober 2006&lt;br /&gt;
&lt;br /&gt;
http://www.uni-koblenz.de/~lb/lehre/ws2006/bv/bvbuch.pdf&lt;br /&gt;
&lt;br /&gt;
[Biokurs.de] Lichtsinn. http://www.biokurs.de/skripten/12/bs12-38b.htm&lt;br /&gt;
&lt;br /&gt;
[Wikipedia] http://de.wikipedia.org/wiki/Laterale_Hemmung&lt;br /&gt;
&lt;br /&gt;
[Perceptual Stuff] http://perceptualstuff.org/machbandsbasic.html&lt;br /&gt;
&lt;br /&gt;
[The Joy of Visual Perception] http://www.yorku.ca/eye/machband.htm&lt;br /&gt;
&lt;br /&gt;
[Mach Banding Interactive Demonstration] http://www.nbb.cornell.edu/neurobio/land/OldStudentProjects/cs490-96to97/anson/MachBandingApplet/&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20063</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 1 - Mach band</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05_-_Aufgabe_1_-_Mach_band&amp;diff=20063"/>
		<updated>2008-11-06T22:25:13Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: New page: „Mach bands are an optical illusion consisting of an image of two wide bands, one light and one dark, separated by a narrow strip with a light-to-dark gradient. The human eye perceives t...&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;„Mach bands are an optical illusion consisting of an image of two wide bands, one&lt;br /&gt;
light and one dark, separated by a narrow strip with a light-to-dark gradient. The&lt;br /&gt;
human eye perceives two narrow bands of different brightnesses either side of the&lt;br /&gt;
gradient that are not present in the original image. The illusion is named after Ernst&lt;br /&gt;
Mach.“ [Wikipedia]&lt;br /&gt;
Examples (try to differ as many colors as possible)&lt;br /&gt;
White to black in 10 Steps&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
White to grey (255,255,255 -&amp;gt; 200,200,200) in 20 Steps&lt;br /&gt;
&lt;br /&gt;
White to a lighter grey(220) in 20 steps (you can see the difference? – probably)&lt;br /&gt;
&lt;br /&gt;
Same as above but with seperators (Can you see a difference in the middle&lt;br /&gt;
part?)&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
This effect is supposed to be caused by lateral inhibition. Imagine three neighbouring&lt;br /&gt;
retina cells - each one of them is stimulated at a different label. The level of the&lt;br /&gt;
stimulation is transformed into action potentials and later on forwarded to its&lt;br /&gt;
neighbours. Inhibitory interneurons weaken these signals and transfer them to so&lt;br /&gt;
called secondary neurons. The attenuation is proportional to the excitation of the&lt;br /&gt;
interneurons. By the summation of exciting and alleviative factors to the second&lt;br /&gt;
neuron a contrast enhancement is archieved.&lt;br /&gt;
We have to examine the edge which is represented schematically between an&lt;br /&gt;
homogenous bright area (between receptor 1 and 5) and an homogenous dark area&lt;br /&gt;
(between receptor 6 and 10). Without interaction every receptor of 1 to 5 would&lt;br /&gt;
represent the same high and every receptor from 6-10 the same low signal. But&lt;br /&gt;
because of the connection by an horizontal cell the signal of for example receptor 3 is&lt;br /&gt;
attenuated because his neighbours impact on it inhibitorily. Only 5 and 6 are not&lt;br /&gt;
affected because the have the same amount of inhibitory and excitatory neighbours.&lt;br /&gt;
&lt;br /&gt;
Machband and Rendering&lt;br /&gt;
Due to the linear intensity interpolation the Mach bands can cause trouble when&lt;br /&gt;
using Gouroud Shading for rendering. Here the Machband effect can be visible at the&lt;br /&gt;
edges of polygons. A rendering method which can work around the mach-band is&lt;br /&gt;
Phong Shading.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Quellen:&lt;br /&gt;
http://www.uni-koblenz.de/~lb/lehre/ws2006/bv/bvbuch.pdf , Fragmente eines Skripts&lt;br /&gt;
zur Bildverarbeitung&lt;br /&gt;
Wikipedia&lt;br /&gt;
http://www.biokurs.de/skripten/12/bs12-38b.htm&lt;br /&gt;
http://perceptualstuff.org/machbandsbasic.html&lt;br /&gt;
http://www.yorku.ca/eye/machband.htm&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05&amp;diff=19831</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05&amp;diff=19831"/>
		<updated>2008-10-29T18:55:27Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;b&amp;gt;Liste der Gruppenmitglieder&amp;lt;/b&amp;gt;&amp;lt;br /&amp;gt;&amp;lt;br /&amp;gt;&lt;br /&gt;
[[User:UE-InfoVis0809_0425160|Wendelin, Katharina-Anna]]&amp;lt;br /&amp;gt;&lt;br /&gt;
[[User:UE-InfoVis0809_0426716|Kuntner, Andreas]]&amp;lt;br /&amp;gt;&lt;br /&gt;
[[User:UE-InfoVis0809_0125255|Pinjo, Faruk]]&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;lt;b&amp;gt;Aufgaben&amp;lt;/b&amp;gt; &amp;lt;br /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 0 | Aufgabe 0]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 1 | Aufgabe 1]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 2 | Aufgabe 2]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 3 | Aufgabe 3]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 4 | Aufgabe 4]]&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching_talk:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05&amp;diff=19827</id>
		<title>Teaching talk:TUW - UE InfoVis WS 2008/09 - Gruppe 05</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching_talk:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05&amp;diff=19827"/>
		<updated>2008-10-29T18:47:22Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&#039;&#039;&#039;vorläufige Bewertung: 4 Punkte&#039;&#039;&#039;&lt;br /&gt;
&lt;br /&gt;
Begründung: &lt;br /&gt;
* Die Nummerierung der Aufgabenseiten ist nicht korrekt. Es sollten Stubs für Aufgaben 0 bis 4 angelegt werden.&lt;br /&gt;
&lt;br /&gt;
-- [[User:Martha_Kaltenecker|Martha Kaltenecker]] 19:17, 29 October 2008 (CET)&lt;br /&gt;
&lt;br /&gt;
können wir das noch ausbessern und einen punkt dazu bekommen, oder ist das die entgültige bewertung?&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05&amp;diff=19736</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05&amp;diff=19736"/>
		<updated>2008-10-21T18:06:18Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;b&amp;gt;Liste der Gruppenmitglieder&amp;lt;/b&amp;gt;&amp;lt;br /&amp;gt;&amp;lt;br /&amp;gt;&lt;br /&gt;
[[User:UE-InfoVis0809_0425160|Wendelin, Katharina-Anna]]&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;lt;b&amp;gt;Aufgaben&amp;lt;/b&amp;gt; &amp;lt;br /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 1 | Aufgabe 1]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 2 | Aufgabe 2]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 3 | Aufgabe 3]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 4 | Aufgabe 4]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 5 | Aufgabe 5]]&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05&amp;diff=19735</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09_-_Gruppe_05&amp;diff=19735"/>
		<updated>2008-10-21T18:05:58Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: New page: &amp;lt;b&amp;gt;Liste der Gruppenmitglieder&amp;lt;/b&amp;gt;&amp;lt;br /&amp;gt;&amp;lt;br /&amp;gt; Wendeln, Katharina-Anna  &amp;lt;br /&amp;gt; &amp;lt;b&amp;gt;Aufgaben&amp;lt;/b&amp;gt; &amp;lt;br /&amp;gt;  [[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - ...&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;b&amp;gt;Liste der Gruppenmitglieder&amp;lt;/b&amp;gt;&amp;lt;br /&amp;gt;&amp;lt;br /&amp;gt;&lt;br /&gt;
[[User:UE-InfoVis0809_0425160|Wendeln, Katharina-Anna]]&lt;br /&gt;
&lt;br /&gt;
&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;lt;b&amp;gt;Aufgaben&amp;lt;/b&amp;gt; &amp;lt;br /&amp;gt;&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 1 | Aufgabe 1]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 2 | Aufgabe 2]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 3 | Aufgabe 3]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 4 | Aufgabe 4]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05 - Aufgabe 5 | Aufgabe 5]]&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09&amp;diff=19734</id>
		<title>Teaching:TUW - UE InfoVis WS 2008/09</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=Teaching:TUW_-_UE_InfoVis_WS_2008/09&amp;diff=19734"/>
		<updated>2008-10-21T18:00:32Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[[Image:Aigner03infovis ue.gif]] &amp;lt;big&amp;gt;WS 2008/09&amp;lt;/big&amp;gt;&lt;br /&gt;
&lt;br /&gt;
&#039;&#039;&#039;LVA Nr:&#039;&#039;&#039; 188.308 ([http://tuwis.tuwien.ac.at/lva/tuwien/188308 TUWIS++ Seite])&lt;br /&gt;
&lt;br /&gt;
&#039;&#039;&#039;LVA Homepage:&#039;&#039;&#039; http://ieg.ifs.tuwien.ac.at/~gschwand/teaching/infovis_ue_ws08/index.html&lt;br /&gt;
&lt;br /&gt;
&#039;&#039;&#039;Leitung:&#039;&#039;&#039; [[Gschwandtner, Theresia|Theresia Gschwandtner]] [gschwandtner (at) ifs.tuwien.ac.at]&amp;lt;br&amp;gt;&lt;br /&gt;
&#039;&#039;&#039;Tutorin:&#039;&#039;&#039; [[User:Martha_Kaltenecker|Martha Kaltenecker]] [e0125193 (at) student.tuwien.ac.at]&lt;br /&gt;
&lt;br /&gt;
== Gruppen ==&lt;br /&gt;
&amp;lt;!-- &lt;br /&gt;
Gruppenlinks hier einfügen!&lt;br /&gt;
Beispiel:&lt;br /&gt;
*[[Teaching:TUW - UE InfoVis WS 2007/08 - Gruppe XX|Gruppe XX]]&lt;br /&gt;
&amp;quot;XX&amp;quot; durch Gruppennummer ersetzen!&lt;br /&gt;
--&amp;gt;&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 01|Gruppe 01 (KARALL, REGNER, UGUR)]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 03|Gruppe 03 (DINCER, MAYER, MOSER)]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 05|Gruppe 05 (KUNTNER, PINJO, WENDELIN)]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 06|Gruppe 06 (Frank, Mayer, Rind)]] &lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 07|Gruppe 07 (LUCKNER, HEIL, ANGERBAUER)]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2007/08 - Gruppe 08|Gruppe 08]]&lt;br /&gt;
&lt;br /&gt;
[[Teaching:TUW - UE InfoVis WS 2008/09 - Gruppe 10|Gruppe 10 (DEBONG, FISCHL, PETROV)]]&lt;br /&gt;
&lt;br /&gt;
== News / Bemerkungen ==&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=User:UE-InfoVis0809_0425160&amp;diff=19732</id>
		<title>User:UE-InfoVis0809 0425160</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=User:UE-InfoVis0809_0425160&amp;diff=19732"/>
		<updated>2008-10-21T17:48:55Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;p&amp;gt;&lt;br /&gt;
[[Image:kw_sp.jpg]] &amp;lt;br /&amp;gt;&lt;br /&gt;
Bild wurde mit www.sp-studio.de erstellt.&amp;lt;br /&amp;gt;&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;lt;b&amp;gt;Name:&amp;lt;/b&amp;gt; Wendelin Katharina-Anna&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;lt;b&amp;gt;Matrikelnummer:&amp;lt;/b&amp;gt; 0425160&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;lt;b&amp;gt;Studienkennzahl:&amp;lt;/b&amp;gt; 066 932&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;lt;b&amp;gt;E-Mail Adresse&amp;lt;/b&amp;gt;: e0425160[at]student.tuwien.ac.at&lt;br /&gt;
&amp;lt;/p&amp;gt;&lt;br /&gt;
&amp;lt;br /&amp;gt;&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=File:Kw_sp.jpg&amp;diff=19731</id>
		<title>File:Kw sp.jpg</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=File:Kw_sp.jpg&amp;diff=19731"/>
		<updated>2008-10-21T17:41:53Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: www.sp-studio.de&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;== Beschreibung ==&lt;br /&gt;
www.sp-studio.de&lt;br /&gt;
== Copyright status ==&lt;br /&gt;
&lt;br /&gt;
== Source ==&lt;br /&gt;
www.sp-studio.de&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
	<entry>
		<id>https://infovis-wiki.net/w/index.php?title=User:UE-InfoVis0809_0425160&amp;diff=19730</id>
		<title>User:UE-InfoVis0809 0425160</title>
		<link rel="alternate" type="text/html" href="https://infovis-wiki.net/w/index.php?title=User:UE-InfoVis0809_0425160&amp;diff=19730"/>
		<updated>2008-10-21T17:04:58Z</updated>

		<summary type="html">&lt;p&gt;UE-InfoVis0809 0425160: New page: &amp;lt;p&amp;gt; &amp;lt;b&amp;gt;Name:&amp;lt;/b&amp;gt; Wendelin Katharina-Anna&amp;lt;br /&amp;gt; &amp;lt;b&amp;gt;Matrikelnummer:&amp;lt;/b&amp;gt; 0425160&amp;lt;br /&amp;gt; &amp;lt;b&amp;gt;Studienkennzahl:&amp;lt;/b&amp;gt; 066 932&amp;lt;br /&amp;gt; &amp;lt;b&amp;gt;E-Mail Adresse&amp;lt;/b&amp;gt;: e0425160(at)student.tuwien.ac.at &amp;lt;/p&amp;gt; &amp;lt;br /...&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&amp;lt;p&amp;gt;&lt;br /&gt;
&amp;lt;b&amp;gt;Name:&amp;lt;/b&amp;gt; Wendelin Katharina-Anna&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;lt;b&amp;gt;Matrikelnummer:&amp;lt;/b&amp;gt; 0425160&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;lt;b&amp;gt;Studienkennzahl:&amp;lt;/b&amp;gt; 066 932&amp;lt;br /&amp;gt;&lt;br /&gt;
&amp;lt;b&amp;gt;E-Mail Adresse&amp;lt;/b&amp;gt;: e0425160(at)student.tuwien.ac.at&lt;br /&gt;
&amp;lt;/p&amp;gt;&lt;br /&gt;
&amp;lt;br /&amp;gt;&lt;/div&gt;</summary>
		<author><name>UE-InfoVis0809 0425160</name></author>
	</entry>
</feed>