Drawing candidate line segments extraction system and method and

Details Drawing candidate line segments extraction system and method and Drawing candidate line segments extraction system and method and

1995-09-26

2000-08-15

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

345427, G06T 1700

Patent

active

061044040

ABSTRACT:
A technique and system to enhance the synthesis of solid models from two drawings. The two-dimensional coordinates of a vertex are extracted in each of a top view and a front view and, if their x-coordinates are equal to each other, the combination of their Y-coordinate values is determined to be the two-dimensional coordinates of a candidate vertex in a side view. Then, candidate line segments for the side view are extracted from the line segments connecting two candidate vertices. The process does not extract those line segments for which no corresponding line segment exists in the top and front views and those line segments for which corresponding horizontal or vertical line segments exist in the top and front views, but which are not horizontal or vertical in the side view.

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