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| How do I create a bubble map in Surfer? |
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One definition of a "bubble
map" is a proportional symbol map that has symbols that change size based
a data value.

Bubble map created using the Surfer post map with
proportional symbol sizes.
To create this type of map in
Surfer:
- Go to Map | New | Post Map.
- Specify a data file name and click Open
to create a map with the default parameters.
- Select the post map in the Object Manager.
- In the Property Manager, go to the General tab.
- Under Default Symbol, open
the Marker Properties section.
- Specify the desired symbol, such as
the open or filled circle symbols.
- Under Symbol Size, set the Sizing
method to Proportional.
- Click on the Scaling button
to display the Proportional Scaling dialog.
- Specify the desired Worksheet
Column Containing Height to select the data column to control the symbol
size.
- Specify the desired Symbol Height
and Data Value to map the symbol size to the data values, then click OK.

Specify the Worksheet Column Containing Height, Symbol
Height, and Data Values to control the symbol sizes.
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