VS3D / VScad3 User's Guide

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VScad3 Geometric Entities

2.4.5 Surface mode continued.

"Geometry..." continued :

"Ruled" : The "Ruled Surface" dialog allows a ruled surface to be created. A ruled surface is basically a surface that spans two lines or curves. The lines or curves do not necessarily have to be parallel or lie in the same plane. The color of the resulting ruled surface is determined by the current main attribute color setting, which can be set via the main "Resources / Attributes" menu.

  • The "Ruled Vector 1" field specifies the coordinates of a line, a series of lines, or an arc to use as the first ruling vector. If at least one entity was selected before the "Geometry..." button was clicked, then the coordinates from the first entity are automatically loaded into this field. If no entities were selected prior to the dialog creation, then XYZ coordinates can be typed in manually as three columns of numbers separated by spaces and/or commas.

  • The "Ruled Vector 2" field specifies the coordinates of a line, a series of lines, or an arc to use as the second ruling vector. If at least two entities were selected before the "Geometry..." button was clicked, then the coordinates from the second entity are automatically loaded into this field. If fewer than two entities were selected prior to the dialog creation, then XYZ coordinates can be typed into this field manually as three columns of numbers separated by spaces and/or commas.

  • The "Ruling Steps" field determines how many vertex points to use along the ruling direction. In most cases, the most efficient value to use is 1.

  • Click on "Ok" to create the surface with the chosen settings.

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