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I am using QGIS 2.8.1 in Linuxmint 17. When I set the snap option, the message box is like this which is different from the pictures I found on the Internet. enter image description here

After I setting this and reload QGIS, the snapping function is still unavailable and it shows a warning like this. enter image description here So I am wondering how I can solve this problem.

  • I have tried to reproduce this error on win 10 & qgis 2.14.3 with no successes. I suggest you try the followings: (a) follow this thread; (b) upgrade qgis; (c) try a virtual box – dof1985 Jul 2 '16 at 9:58
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You get the "old" look if you change the All Layer combo box to Advanced.

I suggest to use 10 Pixels, and only to the vertex. The same should be set in Options -> Digitizing, snapping section, search radius.

BTW updating to QGIS 2.14.4 or 2.16 is not a bad idea. I'm not sure what bugs were fixed after 2.8.1 was released.

  • Thanks for your suggestion. In fact the problem happens when I use the advanced digitizing plugin, though I changed to advanced this plugin still cannot do snapping. I think I should update it. – natsuapo Jul 2 '16 at 14:50

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