Interface Concept: ViRR Image Size

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Source Images Properties[edit]

Examples from source images

dt9bg18q+bd2=d0001:

Resolution: 72px Width: 3072 Pixel Height: 3840 Pixel

Ratio: 1.25

dt9bg20q+bd5-6_druck2=d0001:


Resolution: 72px Width: 3072 Pixel Height: 3840 Pixel

Ratio: 1.25

Preparation of images for web usage[edit]

GUI V1 (ViRR<R3) Applied Image formats GUI V2 (ViRR>R3) Applied Image formats Needed image formats
Cascading Style Sheets 1.0 12/1996 100%[1] required
2.0 05/1998 specials only[2]
3.0 -[3] not required
Cookies - - 98.5% required[4]
JavaScript 1.5 06/2002 94,0%[5][6] required
1.6 11/2005 undefined
1.7 07/2006 undefined
1.8 12/2007 not required
Java Plugin 1.3 05/2000 99,6%[7] not required
1.4 02/2002 not required
1.5 09/2004 not required
1.6 12/2006[8] not required


The following prerequisites need to be considered:

Aspect ration[edit]

Needs to be considered in any case. This can be achieved if

  • only a percentage is handed over for resize
  • only the horizontal with is handed over for resize

Resolution[edit]

The resolution should be at 72px for screen display. This means one pixel of the image is mapped to exactly one pixel of the target resolution of the client.

Dimensions[edit]

In order not to run in problems with the aspect ration the dimensions further on only refer to the width of the image.

The maximum of available space defined in the prototype for R3 is 375px horizontal width.

The defined space in the interface is:


  • Small View: 144px
  • Medium view (2 columns):


  1. although all modern browsers support at least CSS1, the implementation level and the level of support differs
  2. although CSS 2.0 is not explicitly required its support will enable some rare extra features
  3. still work in progress
  4. cookies support is required for system login
  5. activation share according to w3schools.com
  6. JavaScript version 1.5 is used by 99.4% of all users with activated JavaScript according to www.webhits.de (march 2008)
  7. although www.webhits.de gives a 99.6% activation level, it also states, that only 12.4% of users have an java plugin
  8. there is still no regular implementation of Java 1.6 for Mac OSX yet (march 2008)