File:Swiss cantons.png

This locator map image could be re-created using vector graphics as an SVG file. This has several advantages; see Commons:Media for cleanup for more information. If an SVG form of this image is available, please upload it and afterwards replace this template with {{vector version available|new image name}}. It is recommended to name the SVG file “Swiss cantons.svg”—then the template Vector version available (or Vva) does not need the new image name parameter.

From edits by User:Ojw, it can easily be ascertained that this file was created from various free images of Swiss canton flags, per information from this page and User:Ojw/Switzerland, and the base map originated from File:Cantons of Switserland.jpg

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Entitled: "bloody big PNG"...

Some explanation is in order I suppose...

• Take a Swiss map, remove text...
• For each area
  • Create a new transparent layer
  • Open the flag, paste it into this layer
  • Resize the flag to fit that area
  • Go back to the blank map, and magic-select the area (selection is in the shape of a canton)
  • Grow the selection by a pixel or two if necessary
  • Invert the selection (everything outside the area is selected)
  • Go back to the flag layer. Delete the selection (i.e. everything outside the area)
  • Layer now contains an oddly-shaped flag, and everything else is transparent.
• Repeat as necessary
• Merge all the flag-layers into one, for convenience
• Select-by-colour the borders, blacken them, fuzz them, colour-to-alpha, and make that a semitransparent layer representing "borders"
• Select the not-needed regions, whiten them, and make that into a semitransparent layer to neaten the edges
• Export as PNG, wait for comments, redo bits according to readers' comments and preference...

thumb|Light

There's also a version with a semi-white layer over the flags to lighten the image a bit and make the borders more distinct

Transferred from en.wikipedia to Commons using For the Common Good.