研究了基于分形理论和真实地形数据的三维地形生成技术,探讨了Choptexture(分割纹理)和Cliptexture(裁剪纹理)技术在地形的优化显示技术方面的应用,并研究了绘制优先级技术、外部引用和实例化技术在道路和环境模型数据库加速显示方面的应用...
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在3 - d图形用语中,纹理是指像墙纸模式一样应用到某个设计区域的图像:该图像可以重复,也可以根据需要裁剪,以覆盖平面。
In 3-d graphics parlance, a texture is an image applied to a design area like wallpaper pattern: the image is repeated or cut as needed to cover the surface.
首先,让我们将经过变换处理的平面顶点放入到裁剪空间里,然后设置其的纹理坐标。
First, let's start off by just transforming the plane vertices into clip space and setting their texture co-ordinates.
大自然裁剪出的纹理,仿佛乔木荆榛留下的痕迹,大气的自然之色渗透于整齐精致的墙面中。经风历雨般的沧桑感赋予风化砖一种深层而独特的韵味。
With natural texture, traces of chaste tree and hazel, walls of weathered bricks are penetrated with colors of nature. The vicissitude of weathered bricks is profound and unique.
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