JPH02119285U - - Google Patents
Info
- Publication number
- JPH02119285U JPH02119285U JP2480789U JP2480789U JPH02119285U JP H02119285 U JPH02119285 U JP H02119285U JP 2480789 U JP2480789 U JP 2480789U JP 2480789 U JP2480789 U JP 2480789U JP H02119285 U JPH02119285 U JP H02119285U
- Authority
- JP
- Japan
- Prior art keywords
- light point
- brightness
- coordinates
- video signal
- generating device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000007 visual effect Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000004088 simulation Methods 0.000 description 1
Landscapes
- Processing Or Creating Images (AREA)
Description
第１図は本考案の一実施例のブロツク図、第２
図は複数画素を説明する図、第３図は複数の光点
の出力を説明するタイムチヤート、第４図は光点
の明かるさと距離の関係を説明する図、第５図は
従来の模擬視界発生装置のブロツク図である。
１……模擬視界用ホストコンピユータ、２……
幾何計算装置、３１……副光点発生装置、３……
ビデオ信号発生装置、４……表示装置、ＳＱＮ…
…シーケンサ、ＩＲ１，ＩＲ２，ＩＲ３……入力
レジスタ、ＣＯＯＲＤ……座標計算器、ＣＯＲＣ
Ｔ……明かるさ補正器、Ｇ……パルスゲート。
Figure 1 is a block diagram of one embodiment of the present invention;
The figure is a diagram explaining multiple pixels, Figure 3 is a time chart explaining the output of multiple light spots, Figure 4 is a diagram explaining the relationship between the brightness of light spots and distance, and Figure 5 is a conventional simulation. FIG. 2 is a block diagram of a visual field generating device. 1...Host computer for simulated visibility, 2...
Geometric calculation device, 31... Sub-light point generating device, 3...
Video signal generator, 4...display device, SQN...
...Sequencer, IR1, IR2, IR3...Input register, COORD...Coordinate calculator, CORC
T...Brightness compensator, G...Pulse gate.
Claims (1)
見た二次元画像として表示を行うために、指定さ
れた視点から見える視覚対象物の位置を計算する
幾何計算装置と、画像データに基づいてビデオ信
号を発生するビデオ信号発生装置とを有する模擬
視界発生装置において、 前記幾何計算装置からの位置データにより視覚
対象物の光点の座標を入力し、その周囲の座標を
計算する座標計算器と、 予め定めた明かるさ補正を１の主光点及びその
周囲の所定の副光点について記憶し、前記視覚対
象物の光点の明かるさと光点から視点までの距離
とにより座標計算器の座標の各々について主光点
と副光点の明かるさ補正を読み出す明るさ補正器
と、 前記明かるさ補正器から読み出された主光点と
副光点の明かるさ補正を選択出力するゲートとか
らなり、 座標計算器とゲートとの出力をビデオ信号発生
装置の画像データとする副光点発生装置を有する
ことを特徴とする模擬視界発生装置。[Claims for Utility Model Registration] A geometric calculation device that calculates the position of a visual object seen from a specified viewpoint in order to display a hypothetical three-dimensional scene as a two-dimensional image viewed from a specified viewpoint. and a video signal generation device that generates a video signal based on image data, the coordinates of a light point of a visual object are input based on the position data from the geometric calculation device, and the coordinates of its surroundings are input. a coordinate calculator that stores a predetermined brightness correction for one main light point and predetermined sub-light points around it, and calculates the brightness of the light point of the visual object and from the light point to the viewpoint; a brightness corrector that reads out the brightness correction of the main light point and the sub light point for each of the coordinates of the coordinate calculator according to the distance of the main light point and the sub light point read from the brightness corrector; 1. A simulated visibility generating device comprising: a gate for selectively outputting brightness correction; and a secondary light point generating device that uses the output of the coordinate calculator and the gate as image data of a video signal generating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2480789U JPH02119285U (en) | 1989-03-06 | 1989-03-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2480789U JPH02119285U (en) | 1989-03-06 | 1989-03-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02119285U true JPH02119285U (en) | 1990-09-26 |
Family
ID=31244984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2480789U Pending JPH02119285U (en) | 1989-03-06 | 1989-03-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02119285U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57501699A (en) * | 1980-11-07 | 1982-09-16 | ||
| JPS6348354A (en) * | 1986-08-19 | 1988-03-01 | Mitsubishi Gas Chem Co Inc | Thermoplastic resin composition |
-
1989
- 1989-03-06 JP JP2480789U patent/JPH02119285U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57501699A (en) * | 1980-11-07 | 1982-09-16 | ||
| JPS6348354A (en) * | 1986-08-19 | 1988-03-01 | Mitsubishi Gas Chem Co Inc | Thermoplastic resin composition |
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