PROBLEM TO BE SOLVED: To enable edge drawing by vector data with less memory consumption.SOLUTION: A color table creation unit 1105 extracts color values for each angle of an edge from a circular light source model, where the color value for each position on a spherical body when light is applied from a light source in a specific direction to the spherical body, is defined, and creates a color table representing the color values extracted for each angle of the edge. A display list output unit 1109 outputs the color table to a drawing device.SELECTED DRAWING: Figure 2

    【課題】ベクタデータによるエッジの描画を、少ないメモリ消費量で可能にする。【解決手段】カラーテーブル生成部1105は、特定の方向の光源から球体に光をあてた場合の球体上の位置ごとのカラー値が線形グラデーションにて定義されている円形の光源モデルから、エッジの角度ごとにカラー値を抽出し、エッジの角度ごとに、抽出したカラー値が記述されるカラーテーブルを生成する。ディスプレイリスト出力部1109は、カラーテーブルを描画装置に出力する。【選択図】図2


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    Title :

    COLOR TABLE CREATION DEVICE AND DRAWING DEVICE


    Additional title:

    カラーテーブル生成装置及び描画装置


    Contributors:

    Publication date :

    2016-10-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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