Voronoi
Summarize:
Create thiessen polygon (Voronoi). Attributes in the input layer are copied to features of the output layer.
Usage:
• The input layer must be point layer.
• The output layer is polygon layer.
• The names of all input layers must be unique.
Steps:
(1) Select the point layer and right-click the mouse, click [Build polygon layer | Voronoi].

(2) Pop up the [Voronoi polygon] dialog.

Diagram:

Delaunay triangle
Summarize:
Create delaunay triangle.
Usage:
• The input layer must be point layer.
• The output layer is polygon layer.
• The names of all input layers must be unique.
Steps:
(1) Select the point layer and right-click the mouse, click [Build polygon layer | Delaunay triangle].

Diagram:
