Patent Document ID: 20120188274
Application ID: 13352557
Patent Status: 0

Claim One:
1. A graphic display apparatus, comprising: a display unit; a reference object length storage unit in which specified parts of reference objects and actual lengths of the specified parts are stored in such manner that the specified parts and the actual lengths of the specified parts are associated to each other; an image storage unit in which images are stored; an image display control unit which displays a specified image which is specified based on a user's operation among the images stored in the image storage unit in the display unit; a specified image part setting unit which detects a specified part of a reference object in the specified image and sets the detected specified part as a specified image part; a coordinate system setting unit which superimposes a coordinate system which is defined by coordinate axes on the specified image and sets a display range of the coordinate system based on an actual length of the specified image part in the specified image; and a graphic display control unit which superimposes and displays a graphic on the specified image based on a user's operation.