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How do I make contour fills transparent in Surfer?

Surfer allows for transparent fill colors and transparent layers.

 

To make just the color fills transparent (leaving the contour lines and labels solid):

  1. Select the Contours layer in the Contents window.
  2. In the Properties window, click the Levels tab.
  3. Enter the Colormap dialog. How you do this depends on the Level method chosen.
    1. For the Simple level method, click the  button to the right of Fill colors.
    2. For the Logarithmic level method, click the  button to the right of Fill colors.
    3. For the Advanced level method, click the Edit levels button. In the Levels for Map dialog, click on the Fill header button. In the Fill dialog, click on the Foreground Color button.
  4. In the Colormap dialog, you can set individual colors to be transparent or you can set all colors at once.
    1. To set all colors at once, be sure the Apply opacity to ALL nodes is checked and set the Opacity value to what you want. 100% opacity is opaque. 0% opacity is completely transparent.
    2. To set the opacity for individual color nodes, uncheck the Apply opacity to ALL nodes check box, select a color node and change the Opacity value for that node. Repeat for all nodes you want to apply opacity to.
  5. Keep clicking OK until you're out of all of the dialogs you had opened.

 

To make the entire contour map layer transparent (including color fills, contour lines and labels):

  1. Select the Contours layer in the Contents window.
  2. In the Properties window, click the Layer tab.
  3. Decrease the Opacity as desired.

 


Surfer contours with a hatch vector pattern fill using a
transparent background.

 

Updated February 10, 2017

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