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I've tried the other "how to clip" instructions here, but consistently get an empty shapefile from the clip.

QGIS Version: 2.4.0-Chugiak

OS: MacOS 10.10

Input File: San Diego (South Map) 1999 Topo (2' intervals) (1 GB Download Link)

I've assigned the same CRS from the San Diego Vector Layer to the polygon clipping mask.

Here is a screen capture of my process:

QGIS Vector Clipping Path Producing Empty File

Hopefully someone can point out where I'm going wrong with this process.

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  • from your video (very helpful to see) you need to stop editing and save your polygon file. then clip should work.
    – Mapperz ♦
    Commented Oct 23, 2014 at 18:55
  • Hey @Mapperz, thanks for the suggestion. I tried that and no luck. Still getting the empty file shape.
    – Tigre
    Commented Oct 23, 2014 at 20:59
  • Thanks, @Mapperz, that helped. If you want, post an answer with those steps and I'll vote it as the answer. Cheers!
    – Tigre
    Commented Oct 23, 2014 at 21:37

1 Answer 1

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Please DO NOT use Set CRS for Layer if you want to reproject a vector layer to another CRS. This will corrupt your data, because it does not recalculate any coordinates.

Use Rightclick Save As ... under a different file name and different CRS.

You better set the layer back to the previous CRS, or delete it and reload a fresh copy.

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