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What's the difference between the File | Export and Map Tools | Layer Tools | Export Contours commands in Surfer?

Both of these commands exports to DXF, SHP and text files (DAT/TXT). 

 

File | Export will export all objects (or all selected objects) in a plot window, and Map Tools | Layer Tools | Export Contours will export only the contour lines themselves.

 

  1. Map Tools | Layer Tools | Export Contours is useful if you want a file containing only the data for the contour lines. You could export this data easily without having to turn off extra layers, axes, or other objects. This is also useful if you want a 3D SHP file, where each vertex in the SHP has a Z value associated with it instead of a Z value for each line feature.
  2. File | Export is useful if you want a file containing text labels, line colors, or other objects in addition to the Z value. For example, to export a color filled contour map to a SHP file with Z values saved to the DBF for each contour polyline (or a 3D DXF), use File | Export.

 

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Updated January 5, 2017

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