Define a material area with Planimetry command.
Click on Planimetry icon.
Select method Between CS, define the first and last cross section, between which you want to define quantities.
Specify the type of planimetry quantity. Automatic planimetry is divided into two types: surface and length planimetry.
Specify material.
In Settings, specify Planimetry-polygon definition.
Inner point: planimetry polygon is defined by selecting a point inside an area, surrounded by the planimetry polygon.
Between two polylines: planimetry polygon is defined by two polygon lines, bordering a surface. First defined so-called reference polygon line and then a second polygon line.
Confirm with OK to draw completed polygons with hatches in their inner part.
