Viewport Editing and Adjustment

GstarCAD 2026

GstarCAD 2024 provides a convenient viewport boundary adjustment function, which allows you to adjust the size, number and shape of the viewports by dragging the boundary separator bar of the viewports in the model space with the mouse, or add new viewports or merge viewports.

Creating model space viewports

When the mouse is close to the viewport boundary line "+" area (② area in the figure), the mouse becomes a two-way arrow, at this time, drag the viewport boundary separator bar to the left/right/up/down, the green separator line appears, release the mouse to create a new viewport:

Single viewport adjustment in model space

When the mouse is close to the viewport boundary line (① area in the figure), the mouse changes to a two-way arrow "↔", at this time, drag the viewport boundary separator bar to the left/right or up/down to adjust the size of the viewport, as shown in the following figure:

Multiple viewport adjustments in model space

When the mouse is close to the viewport boundary line (③ area in the figure), the mouse changes to a cross arrow, at this time, drag the viewport boundary separator bar to the left/right/up/down, the cross separator appears, and release the mouse in order to adjust the size of multiple viewports, as shown in the following figure:

Merge/delete viewports

The viewports are merged/deleted by dragging one viewport boundary over the other with the mouse, a white highlight line appears on the outer boundary of the 2 viewports:


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