Description of the tool

This tool allows you to create Redlines as a buffer around selected features.

How to use the tool

Prerequisite:

A entity has been selected from the map.

Steps:

The Buffer tool is enabled once one or more entities are selected from the map. In the example below, the selected entity is shown as a light blue polygon.
Pressing the Buffer button will display the Buffer the Selected Features menu.
Select the layer that you wish to buffer - only layers that have features selected will be listed in the Layer list. Type in the buffer distance (in metres).
When you press the Generate button, a Redline polygon will be drawn around the selected feature on the map. If more than one feature was selected then the buffer formed around each feature may join to create one larger feature.

The buffer polygon will be drawn according to the current polygon style settings. To set the default Redline polygon style, set the line and fill styles as described in Line Settings & Fill Settings.
If you want the selected feature's shape to be removed from the buffered area, check the Difference option before pressing Generate. This option is only valid when buffering polygon features.

The resultant buffer will be as shown below.

TIP:

When drawing a buffer, it is often useful to make the fill partially transparent so that you can see the map underneath it (set this using the Fill Settings option).

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