US 7,551,180 B2
Graphical end conditions for roadway design
Denis J. Schaffer, Huntsville, Ala. (US)
Assigned to Bentley System, Inc., Exton, Pa. (US)
Filed on Mar. 18, 2004, as Appl. No. 10/803,031.
Prior Publication US 2005/0210386 A1, Sep. 22, 2005
Int. Cl. G06T 15/00 (2006.01)
U.S. Cl. 345—619  [345/419; 345/620] 17 Claims
OG exemplary drawing
 
1. A method, comprising:
graphically displaying at least one end condition;
receiving user input placing a target at a location;
receiving user input moving the location of the target;
determining a target type of the end condition using a computer device;
dynamically solving the at least one end condition based on the current location of the target; and
dynamically modifying the display to reflect valid end conditions determine to when the end condition is valid.