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Working with drawings - Using the grid, snap alignment and cursor restriction

Using orthogonal locking

You can restrict cursor movement to the current horizontal and vertical axes so that you can draw at right angles, or orthogonally. For example, with the default 0-degree orientation (angle 0 at the "three o'clock" or "east" position), when the Draw Orthogonal option is enabled, lines are restricted to 0 degrees, 90 degrees, 180 degrees, or 270 degrees. As you draw lines, the rubber-banding line follows either the horizontal or vertical axis, depending on which axis is farthest from the cursor. When you enable the isometric snap and grid, cursor movement is restricted to orthogonal equivalents within the current isometric plane.

NOTE progeCAD ignores orthogonal drawing when you type coordinates in the command bar or when you use entity snaps. Additionally, orthogonal locking and polar tracking cannot be used at the same time -- turning one option on turns the other option off.
To enable orthogonal locking
  1. Do one of the following:
  2. Choose Tools > Drawing Settings.
  3. Type settings and then press Enter.
  4. Click the Coordinate Input tab.
  5. Click the Draw Orthogonal check box.
  6. Click OK.
  7. NOTE To toggle orthogonal drawing on and off at any time, click the ORTHO button on the status bar or press F8.