Option

Description

Layer name for erf numbers

Specify the layer name for the erf numbers.

Draw an area table

Select this checkbox to draw a table of erf numbers and areas.

Write the area in the erf

Select this checkbox to have the calculated erf area added as text inside the erf boundary.

Include curved sides

Enable this option for the boundary tracking to use circles, arcs, ellipses and splines in the tracking. By default, the tracking only uses straight line edges.

Enabling this option could be useful if the figures have curved edges. Leave the option disabled if you have circles denoting corner beacons.