GstarCAD 2027 · Command Reference
Commands > Z Command > ZOOM
Function Description:
This command is used to increase or decrease the scale factor of
the current viewport.
Users can change the view scale factor by zooming in or out, similar to using a
camera zooming. The ZOOM command can not change the absolute size of objects in
the drawing, it only changes its scale factor.
In a perspective view, it converts ZOOM command to 3DZOOM command.
Note: When the VPOINT, DVIEW, ZOOM, PAN, or VIEW command is
active, the ZOOM command can not be used transparently.
Command Access:
Icon: /
Menu: View > Zoom > ...
Ribbon: View > Navigate 2D > ZOOM > ...
Toolbar: Standard > ZOOM
Command: ZOOM
Alias: Z
Shortcut: Select nothing and right-click, and then select Zoom
Command Prompts:
Specify corner of window, enter a scale factor (nX or nXP), or [All/Center/Dynamic/Extents/Previous/Scale/Window/Object] \<real time>:
Zooms to display all visible objects and visual aids.
The model fills the viewport by regions much larger than all visible objects or regions of all visible objects and some visual aids. The visual aid could be grid, AppWidget or others.
Regenerating the drawing, the All option can not be used transparently.
Zooms to display the viewport that defined by a specified center point and scale factor or height. If the entered value of scale or height is small, the drawing will be zoomed in. If the entered value of scale or height is large, the drawing will be zoomed out. This option can not be used transparently.
Pans and zooms by a rectangular view box.
Users can change the size of the rectangular view box or move it. The drawing in
it can be zoomed in or out and filled in the entire viewport by moving it or adjusting its size.
To change the size of the view box, please click the specified object and adjust its size, and then press ENTER to accept the new view box.
To move the view box, user can move the cursor to the specified place and press ENTER.
Zooms to display the largest extents of all objects. It calculates all extents of objects and determine their fill pattern.
Zooms to display the last view. You can restore at most 10 views.
Changes the scale of a view by entering a scale factor.
Enter the scale factor with an "X", it will be zoomed by the specified scale factor in
the current view.
Enter the scale factor with an "XP", it will be zoomed by the scale factor relative to
the drawing space unit.
Zooms to display the specified region of a rectangular box. Users can use the cursor to define a region and the region is filled in the entire viewport.
Zooms to display the selected one or more objects and place them at the center of the viewport. Users can select objects before or after activating the ZOOM command.
Interactively zooms to change the scale factor.
The cursor becomes a magnifier with a plus sign on the right and a minus sign on the bottom.
In the center of the window, pressing the mouse button and moving vertically upwards the window, it will magnify 100%. On the contrary, moving vertically downwards the window, it will reduce 100%.
When reaching the limit of magnify, the plus sign disappears, it means the
view can not be magnified any more. When reaching the limit of reduction, the minus sign disappears, it means the view can not be reduced any more.
Release the mouse button to end zooming. Users can release the mouse button and move the cursor to another position, and then press mouse button to zoom again.
They can press ENTER or ESC to exit zooming.
Related References：
Related Concepts：
Related Tasks：
Article ID: 2780
Created: September 26, 2026
Last Updated: September 25, 2026
Author: kbadmin
Online URL: https://kb.gstarcad.com.my/article/zoom-command-gstarcad-2027-2780.html