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Working with the progeCAD Explorer

Working with coordinate systems

When you create entities in a drawing, they are located in relation to the drawing's underlying Cartesian coordinate system. Every drawing has a fixed coordinate system called the World Coordinate System (WCS). You cannot delete or modify the WCS.

Your drawing may contain additional coordinate systems, however, each with its own 0,0,0 origin and orientation. You can create as many user coordinate systems as you want, and then save and recall them as you need them. You can edit the origin of a coordinate system from within the progeCAD Explorer by single-clicking the origin coordinates and then typing new coordinates.

For example, you can create a separate user coordinate system (UCS) for each side of a building. Then, by switching to the UCS for the east side of the building, you can draw the windows on that side by specifying only their x- and y-coordinates.

You can create and then switch between various user coordinate systems by selecting Coordinate Systems in the progeCAD Explorer.

To display the Coordinate Systems element
  1. Do one of the following:
  2. Choose Tools > Explore Coordinate Systems.
  3. Choose Tools > progeCAD Explorer, and then click the Coordinate Systems element.
  4. Choose Tools > Orthographic UCS, and then click Explore UCSs.
  5. On the UCS toolbar, click the Display UCS Dialog tool (
  6. ) and Explore UCSs.
  • Type expucs and then press Enter.
    1. Select Coordinate Systems to display the Coordinate Systems settings.
    2. Lists names of coordinate systems defined in the current drawing. A check mark indicates the current coordinate system.
    3. Displays the origin of the coordinate system in relation to the WCS.
    1. Displays the x-axis direction of the coordinate system in relation to the WCS.
    2. Displays the y-axis direction of the coordinate system in relation to the WCS.
    3. Click any column head to sort the coordinate systems by that property.