# Curvature
Curvature comb chart showing the selected surface/line.
Click to open the Curvature dialog box.Select the line, surface, or entity to display the curvature comb, as shown in the image below.
Description of each control:
Pick up box: can pick up line, surface, entity, can not be more than selected.
Density: Control the density of the curvature comb, the larger the value, the more curvature comb displayed per unit length.
Automatic height calculation: Checked by default, the system automatically adjusts the height of the curvature comb.
Crest height: control the height of the curvature comb, uncheck the automatic calculation height can be manually modified.
Display style: Adjust curvature comb style, the effect is as follows.
Note:
1.When picking up a surface or entity, a curvature comb of its sides will be displayed.
2.Point the mouse to the curvature comb in the viewport to display the curvature value of the corresponding position.