We start working on the contents of the folder “kuvia” — Finnish for images — and just one of several folders of images. Of the approximately 17000 images, 12000 have EXIF data (straight from a digital camera). I write a script (erkki_walk.py) to dump some of the metadata as tab-delimted text so that it can be viewed as a spreadsheet. In addition, thumbnail data is extracted to a separate (numerically indexed) file.
A second script (erkki_draw.py) reads the spreadsheet and draws a new single image (10000 x 1000 pixels) where the thumbnails are each drawn individually with horizontal position related to their timestamp of creation, and vertical position random: