About Sketching Assistant

Every time the position of your pointer coincides with a point of a geometrical entity, the following symbol appears.

Example:

Every time you pause your pointer over the center of circle/ellipse or over the ends of an arc or a line, this symbol appears.

Example 1: center of a circle

Example 2: the end of an arc

You can identify the junction of two segments of a geometrical entity through this symbol .

Example 1: junction of a rectangle's segments

Example 2: junction of polyline's segments

You can draw two parallel segments or a circle/ellipse's tangent. This symbol indicates the parallelism or the tangency between two geometrical entities.

Example 1: parallel segments

Example 2: tangent of a circle

You can draw a segment perpendicular to a polyline segment or to a rectangle segment. The perpendicularity is signaled by this symbol .

Example: perpendicularity between two segments