RockPlot2D | Measure | Perimeter
Use the Perimeter menu item or toolbar button to measure the length of the perimeter of a polygon drawn on the RockPlot2D screen display. The computed length will be displayed in the window's data pane.
- If necessary, open the diagram for which you wish to compute perimeter lengths (see Opening Plot Files) or click in the current RockPlot2D window containing the diagram.
! It’s important that this image be created at equal units horizontally and vertically for the perimeter length computations to be accurate. The image does not, however, need to be displayed in RockPlot2D at equal scales (vertical exaggeration can be < or > 1).
- Select the Measure | Perimeter menu item, or click on the Measure | Perimeter button at the top of the screen
.
The Perimeter button is available in the Measure drop-down menu.
The program will be in "Measure Perimeter" mode, as noted at the bottom of the screen.
- Click on the starting point of the polygon.
- Continue digitizing points on the screen display along the polygon boundary.
- To close the polygon, double-click on the second-to-last vertex.
- The program will connect the last point digitized with the original point on the screen display. The perimeter of the polygon, in your map or diagram coordinates, will be displayed in the data window to the right.
- Repeat this process if you wish to record another perimeter measurement.
- To terminate the Measure Perimeter mode, click the Measure Perimeter X button at the bottom of the window, or click the arrow button
at the top of the window, or press the Shift+Escape keys.
! If you recreate or close the RockPlot2D window before copying the data to the clipboard, it will be lost. The data is not stored in the Rw2D file.
- Use the Options | Export | Windows Clipboard menu option (above the data pane) to copy the contents of the data window to your computer's Clipboard, for pasting into any document. See The Data Window.
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