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We are capturing 100's of drilling sample locations in QGIS. At times, we are copying the whole set of points from adjacent survey_lines to the next one. After that, we will capture the respective mineral values. But once we save it and open the shapefile again, the points are getting displaced randomly (but not all the points), just like in the image.

Actual values are 110,20,15,20,30 etc... But the respective points are displaced to some other place and had been replaced by some other points. One can see captured values (yellow) doesn't match with the actual values (black). Will it be a bug or due to any plugins or due to copying - pasting of points or any other thing?

enter image description here

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  • Sorry, I could not understand what points are displaced, can you highlight them in the image? Jan 11 '16 at 15:28
  • I've edited the question. Could you take an another look ?
    – joseph_k
    Jan 11 '16 at 15:39
  • Are your source and paste layers in exactly the same CRS?
    – Simbamangu
    Jan 11 '16 at 15:45
  • Yes. I've copied only the adjacent points within the same layer.
    – joseph_k
    Jan 11 '16 at 15:47
  • So the problem lays on the values, not the position of points? How do you "capture the respective mineral values"? Jan 11 '16 at 15:57

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