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How can I export a 3D DXF file from Surfer containing the X, Y and Z coordinates of my contour lines?

To export contours to a 3D DXF file (preserving the X, Y, and Z values), you can click File | Export or Map Tools | Layer Tools | Export Contours.
 

The File | Export command exports the contour map with colors, line styles, labels and any other objects in the plot window. The polylines in the contour map have ZLEVEL attributes.

  1. Simply click File | Export.
  2. Give the file a name, choose to save it as a DXF file and click Save.
  3. In the Export Options dialog, on the Scaling page, set the Scaling source to Map. On the DXF Options page, select any options you wish.
  4. Click OK.

 

The Map  Tools | Layer Tools | Export Contours command (called Map | Export Contours in Surfer 13 and previous) only exports the contour lines themselves. No colors, labels or other objects are exported. If you are using Surfer 12 or a previous version, or just want the contour lines themselves in the DXF file, then you should use this command:

  1. Select the Contours layer in the Contents window.
  2. Click Map  Tools | Layer Tools | Export Contours.
  3. In the Save As dialog, choose to save it as an AutoCAD DXF File, give the file a name and click Save.

 

Updated September 18, 2017

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