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I used the drawing tools to add lines, rectangles and text to my map, but these objects don't move when I rescale the map with the Map | Scale menu.
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Q: I used the drawing tools to add lines, rectangles and text to my map, but these objects don't move when I rescale the map with the Map | Scale menu.

A: Convert the objects to "map" objects with map coordinates and overlay on the existing map.

For Surfer 9 and 10, this is easily done by first creating an empty base map layer and drawing the objects inside the base layer. Instructions are found online in Issue 60 of our newsletter.

If the objects are already drawn, or you are using Surfer 8 or previous, please see our article in Issue 48 of our newsletter.

Other quick options:
  • Points: 
  • Digitize points to a [.DAT] file using the Map | Digitize menu, then save with the [.DAT] extension.
  • Display these points with a post map using the Map | Post Map | New Post Map command.
  • Select both maps and use the Map | Overlay Maps menu to combine the maps.

  • Text: 
  • Save text in a [.DAT] file after digitizing the location of the text using Map | Digitize. Click on the map to record the desired location of the text, type a comma after the X, Y coordinate in the DIGIT.BLN window, and type the text surrounded by double quotes.
  • When finished digitizing the text locations and adding text, save the file as a [.DAT] file.
  • Load the [.DAT] file as a post map specifying column C as the Label column, and overlay with the existing maps.

  • Lines and Polylines:
  • Convert lines to a [.BLN] file format using the Map | Digitize menu to digitize the points.
  • Surfer 8 adds the headers automatically when saved to the [.BLN] format if you insert a blank row between polylines.

  • Objects with Known Coordinates:
  • Export the drawing as a [.DXF] file with map coordinates.
  • The Export [.DXF] dialog box lets you specify page coordinates under the Page Rectangle heading and corresponding map coordinates under the [.DXF] Rectangle heading.
  • Load the [.DXF] file as a base map and overlay it with existing maps.
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