| 摘要 |
PURPOSE: To fast display a perspective drawing image obtained by synthesizing the standard and reduced images together. CONSTITUTION: A display image reproduction means 106 reproduces a partial area of a display image stored in a display image storage means 107 at another position of the display image by the instruction of a reproduction control means 104 and under the control of a perspective drawing method control means 103 which controls the constitution of a perspective drawing image based on the parameter of the perspective drawing method that is inputted to a parameter input means 10. Then an original image reproduction means 105 reproduces the partial areas of the standard and reduced images stored in an original image storage means 101 into a display image. As a result, the display image is produced by the perspective drawing method and then visualized by an image display means 108. |
