Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
MAP DISPLAY DEVICE
Document Type and Number:
Japanese Patent JP3838143
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To simultaneously draw stereographs in an area separated by an obstruct and in an area outside the obstruct with a map display device for drawing a stereoscopic map.
SOLUTION: When a viewpoint position 13 is present in an area separated by the obstruct, on the basis of each data of three-dimensional structure data and obstruct data stored in a map data storing section, present location information detected by a present location detecting section, and visual line information, the location of a near plane 17 deciding the drawing range in the visual line direction for drawing a three-dimensional structure from the viewpoint position is set between a first plane 22 and a second plane 23, thus the stereographs in the area separated by the obstruct and in the area outside the obstruct are simultaneously drawn.


Inventors:
Nomura Kohiro
Hitoshi Araki
Keiichi Senda
Tsuyoshi Kawasaki
Application Number:
JP2002110180A
Publication Date:
October 25, 2006
Filing Date:
April 12, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
G09B29/00; G01C21/00; G06T17/05; G08G1/0969; (IPC1-7): G09B29/00; G01C21/00; G06T17/50; G08G1/0969
Domestic Patent References:
JP9070481A
JP9318380A
JP9171348A
JP11142170A
Other References:
イノセントスイーパー サイレントスコープ2,アルカディア Vol.3,日本,株式会社アスキー,2000年 4月30日,第3号,p.48~49
イノセントスイーパー サイレントスコープ2,月刊アルカディア 2000年9月号,日本,株式会社アスキー,2000年 9月 1日,第1巻 第4号,p.86~87
Attorney, Agent or Firm:
Fumio Iwahashi
Hiroki Naito
Daisuke Nagano