The sources for large images seems to be more and more diverse.
I had some satellite data, scanned images from medical devices, numeric photographic stiched images.
A customer contacted me to get the Vliv source code and adapt it to a very specific usage : a kiosk mode for displaying digital art in a gallery. That means removing all the interface and binding functionnality to trackball and buttons.
The image he gave me is not that large (24000x12000) but try opening this in a standard viewer...
I have specifically written for him a script that creates a special pyramidal TIFF from his original painting, with the difference to standard pyramids beeing that the zooming ratio between different levels is not 1/2 but 9/10. That allows very smooth (un)zooming in the image, and classic tiling allows panning.
Sunday, July 8, 2007
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