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Adding a Stope Section

For a Polygonal Pillar shape, the Stope Section is not limited to a rectangle and can be any arbitrary (non-overlapping and closed) polygonal shape.

For a Rectangular Pillar shape, the Stope Section cannot be added or modified. Therefore, the Add Stope Section option is unavailable if Pillar Shape = Rectangular Pillar. The Stope Section geometry cannot be deleted. The Add Stope Section option replaces the old Stope Section geometry with the newly drawn geometry if valid, and resets it back to the old geometry if invalid.

The first step in creating an CPillar model with Polygonal Pillar shape (after setting any necessary Project Settings) is to create the Stope Section boundary.

To define the Stope Section boundary:

  1. First, make sure you have selected the Stope Section view (select the Stope Section Stope Section icon option from the drop-down menu on the toolbar). By default, a valid rectangular 10 by 10 section is defined.
  2. Select Add Stope Section Add Stope Section icon from the toolbar, the Boundaries menu, or the right-click menu.
  3. Enter the vertices of the boundary as described in Entering Coordinates.
  4. If you need to define an arc segment, or a complete circle, this can easily be done. See the Drawing Arc Segments topic for details.
  5. If you make a mistake while entering coordinates, you can undo vertices during coordinate entry, with the undo command (type u in the prompt line or select Undo Undo Icon from the right-click menu).
  6. Coordinates can also be entered into a convenient table, in which you may type coordinates directly, or import coordinates from an existing file or spreadsheet.
  7. The Stope Section boundary must always be closed. To close the boundary, after all vertices are entered, right-click and select Close Boundary, or you can type c and ENTER in the prompt line. This automatically and correctly closes the Stope Section boundary, and saves the user the trouble of having to re-enter the first vertex to complete the boundary.
NOTE: The Stope Section can also be imported directly into CPillar from a DXF file. See the Import a DXF File topic for details.
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