Zhongwang CAD2009 Experience 6: Pinch Editing and Application (Figure)

Some time ago, I have written a series of five practical functions, such as printing, graphic search and positioning, electronic transmission, tool palette, module creation and viewport application, which are newly launched by Zhongwang CAD2009. Support and recognition of friends, in order to let more friends understand domestic software, use domestic software, here, I will continue to share with you another practical function of Zhongwang CAD2009: pinch editing.

The pinch point in CAD refers to a feature point, also called a key point, set at some special position of each entity in order to facilitate control and manipulation of the entity. Proper use of grips can be used not only to capture points on a given entity, but also to control, edit, and manipulate in several different ways (stretch, move, rotate, change, mirror, etc.) provided by the grip automatic editing mode. Graphics.

In Zhongwang CAD2009, the positions of the grips of each entity are as follows:

entity

Grip position
point At the point
straight line Two endpoints and midpoint
Polyline Line endpoints and nodes
Arc End point, midpoint, and center
shape Insertion point
Wide line Four nodes
circle Quarter point and center
Polygon End point
text Insertion point and second alignment point
Tile Insertion point
Attributes Insertion point
Dimensioning Label text center and four endpoints

Zhongwang CAD2009, system variables of pinch points

System variable Designation of grips in function control blocks
GRIPADSORB Control the display of the pinch adsorption range
GRIPBLOCK Designation of grips in the control block
GRIPCOLOR Control the color of the unselected grip
GRIPHOVER Determines the color of the grip when the cursor hovers over the grip
GRIPHOT Control the color of the selected grip
GRIPOBJLIMIT Suppresses the display of grips when the initial selection set contains more than a certain number of objects
GRIPS Control the use of set grips in grip mode
GRIPSIZE Set the size of the grip box in pixels
GRIPTIPS Controls the display of the grip point when the cursor hovers over the custom object that supports the grip hint

Check of the grip

Select the object without executing any commands, display its grip, the default is blue, called "cold spot", and then click on one of the grips, the color of the grip will turn red, called "hot spot", At this time, the command line prompts:

"** Stretch**

Specify the stretch point or [base point (B) / copy (C) / give up (U) / exit (X)]:"

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