Advanced Mapping Options

This section will cover advanced mapping options for a target group map. All of the other map types will have a subset of what is shown here.

Range Calculation Methods

Natural Break - Data values that cluster are placed into a single class. Class breaks occur where there is a gap between clusters. Use this method if your data is unevenly distributed; that is, many features have the same or similar values and there are gaps between groups of values.

Equal Count - Each class has roughly the same number of records, which equals to the total number of records divided by the number of classes.

Equal Range - Each class has an equal range of values. Use this method if your data is evenly distributed and you want to emphasize the difference in values between the features.

Standard Deviation - Class breaks are placed above and below the mean value at intervals of 1, 0.5, or 0.25 standard deviations until all the data values are included in a class.

Custom - You can enter your own class breakpoints. 

You can adjust the number of classes for the thematic map.

Color/Colour Ramp
You can change the automatically applied range of colors/colours used in the thematic map.

If you would prefer to set your own colors/colours, you can manually adjust the HEX code. You can pick based on the color/colour itself or copy and past a HEX code into the box. RGB and CMYK colors/colours can be converted to HEX codes using tools available on the web.

You can adjust the color/colour and width of the outline of each geography in the thematic map. Again, this color/colour is a HEX code.

Turn on an overlay layer by checking the box.


This allows you to add an additional layer of geography to your map, providing more context to your audience.

i. In the Level list, choose the level of geography to add as an overlay.
ii. In the Color/Colour box, adjust the color/colour as necessary. Again, this is a HEX code.
iii. In the Width box, adjust the thickness of the border.

Overlay Label
Turn the labels on for your chosen overlay layer by clicking the box.


i. In the Color/Colour box, adjust as necessary (using the HEX code).
ii. In the Font Size box, enter a size for the label font.
iii. In the Halo box, adjust the color/colour of the halo effect. This puts a small outline around the text to better stand out on a busy background.
iv. In the Halo Size box, adjust the thickness of the halo effect.

Use the slider to adjust the opacity of the thematic map in order to make it more or less opaque.

Use these options to save your thematic settings.


  • Application will save these thematic map settings across ENVISION
  • Workspace will save these thematic settings to your current workspace only
  • Default will reset these thematic settings to the system default settings
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