How to create a point group?

Building a surface using a point group is a common task. Among other criteria, you may want to filter out any points that tend to have erroneous elevations such as utilities or vegetation.

Create a new point group called Topo that includes all points except those with a descriptor code of TREE and HYD. Use the DWG created in the previous exercise or start with 0310_Exercise_FINISHED.dwg or (0310_Exercise_METRIC_FINISHED.dwg).

Solution

1. In Prospector, right-click Point Groups and choose New.
2. On the Information tab, enter Topo as the name of the new point group.
3. On the Include tab, fill the check box for Include All Points.
4. On the Exclude tab, click the With Raw Descriptions Matching check box to turn it on,and enter TREE*, HYD* in the field.
5. Click OK to close the box.
6. Save the file.
7. Compare your work to the file 0311_Exercise_FINISHED.dwg or (0311_Exercise_METRIC_FINISHED.dwg).

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