I have a bar chart, a selection of which looks like this:

enter image description here

I'd like to fill in the white spaces between each bar such that the bars become a single uninterrupted color, which would look (roughly) like this:

enter image description here

This was done manually with the fill tool, but I can't do it for every bar. Is there a technique for this kind of problem?

1 Answer 1

  • Duplicate the layer
  • Make everything but the blue bars transparent in the upper layer:
    • Layer>Transparency>Add alpha channel
    • Color-select the white, and Delete
    • Color-select the grey lines, and Delete
  • Shift the top layer down by the width of the gaps


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