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---- 3.4.2 Topography (Existing and Proposed)

Last Updated: 16 March 2018          For: OptiSurface Designer V2.4 and up

  Allows editing or modifying the topographic surface by manually adding, deleting or editing points and breaklines.

Displayed by:  Tools > Existing Topography or Tools > Existing Topography


For Existing Topography:


For Proposed Topography:

Retriangulate the selected surface with or without breaklines. Used if triangulation length is changed or when modifying the surface with breaklines.  Retriangulate without breaklines is used when 'Batter Breakline' operation is used to create the reference surface for the batters. Once batters are generated, it can now be Retriangulated with breaklines to complete the surface.
Edit PointsDouble click a point to show point coordinates, which can be modified.  Right click point to show more options such as Delete Point or Insert Point.
Edit Points (Polygon Select)
Shift the selected points by a defined distance.  Left click to draw the polygon and double click to close the polygon, then a dialog will appear asking for the shift distance (Easting, Northing or Elevation).
Window Delete
Left click and drag a window to delete all points inside the defined window.
Polygon Delete
Left click to draw the polygon and double click to close the polygon.  All points inside the polygon will be deleted.
Add Breakline
Draw a breakline; left click and double click to end the breakline.  Click here for more information.
Extend Surface
Extends the boundary of the surface with a given distance.

Tick boxes: Generally defines if the item is displayed in the Maps Window.

Marker / Labels Size:
Generally defines the size of the point markers and text labels.

Show Surface / Breakline: Tick box ‘ON’ or ‘ticked’ will show the surface or breakline.

Wire Frame: Tick box ‘ON’ or ‘ticked’ will show the triangular wireframe that makes up the surface.

Contours:  Tick box ‘ON’ or ‘ticked’ will show the contour lines that makes up the surface.

  Adjust the shading of the surface.

Defines the percent transparency of the surface to allow items underneath to be seen. Generally, 20% is suitable. (eg boundary line or point labels).

Edit Legend:  Adjust the legend to show more or less detail as required. Double click on the Legend in the Map Window to edit Legend properties.

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