Modify Menu
 Rotate Vertices
 Move Vertices
 Mirror Vertices
 Scale Vertices
 Center All Vertices
 Copy Polygons
 Move Polygons

Mirror Vertices
Use this function to mirror vertices around the point of origin.
Note: This function is not a "by plane" mirror. Values are mirrored around the point of origin, where X=100 will be X=100 !
Associated Lines and Polygons are NOT mirrored !
 Keep Original
Mirrors by the given values, but keeps the original vertices. This effectively doubles the mirrored vertices, increasing the total number of vertices.
 Mirror all
Mirrors the given values of ALL vertices.
 Mirror selected
Select if ALL vertices or only selected vertices should be mirrored.
Note: Prior to this, select vertices and keep the Vertex Dialog open !
 Undo
Undo restores the last mirror and can be used even after the Mirror dialog was closed and reopened.
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Scale Vertices
Use this function to scale vertices AND associated Lines and Polygons around the point of origin.
Associated Lines and Polygons are also scaled !
 X,Y,Z
Only the specified values are scaled. This causes a distortion in the specified axis.
Example: Lower the total height of a house, but keep the footprint the same.
 All Directions
Scales the objects equally to all sides.
 Scale all
Scales the given values of ALL vertices.
 Scale selected
Select if ALL vertices or only selected vertices should be scaled.
Note: Prior to this, select vertices and keep the Vertex Dialog open !
 Undo
Undo restores the last scale and can be used even after the Scale dialog was closed and reopened.
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Center All Vertices
Use this function to center all vertices AND associated Lines and Polygons around the point of origin.
 Undo
Undo restores the last center and can be used even after the Center dialog was closed and reopened.
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Copy Polygons
Use this function to copy polygons AND associated vertices and Lines from one point to another.
Select one or more polygons from the list before using the function.
 Offset
Specifiy the values in X,Y,Z by which the polygon(s) should be copied.
 Visible from:
 Opposite Side:
On the destination polygon(s), makes textures appear from the opposite side.
Example: A banner across the track. Make one textured polygon, then copy it by a small value, which will make the banner twosided.
 Same Side:
On the destination polygon(s), makes textures appear from the same side as the source polygon(s). In this case, all polygons face the same direction.
 Texture Orientation:
 Same Orientation:
On the destination polygon(s), makes textures appear the same as on the source polygon(s).
 Mirrored:
On the destination polygon(s), makes textures mirrored vertically.
 Untextured:
Destination polygon(s) get no texture.
 Undo
Undo restores the last copy and can be used even after the Copy Polygon dialog was closed and reopened.
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Move Polygons
Use this function to move Polygons AND associated vertices and lines by certain values.
Select one or more polygons from the list before using the function.
Note: The result of this function is is basically the same as with Move Vertices.
However, once polygons are drawn, it's much easier to use.
 Offset
Specifiy the values in X,Y,Z by which the polygon(s) should be moved.
 Move
Moves selected polygons with the given values.
 Undo
Undo restores the last move and can be used even after the Move dialog was closed and reopened.
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