文章介绍了基于点绘制技术的原理和比较有代表性的点绘制方法，探讨了外形非常复杂的不规则几何体在计算机图形绘制中生成的物体表面空洞的处理方法。
It introduces the principle of the point-based rendering and some representative methods, discusses a way to deal with some holes on the surface which make in drawing the irregular geometric form.
外形为不规则的多边形几何状，没有平行的面，以大块为主，显示出大气的石艺特点。
Geometric shape is irregular polygon-shaped, not parallel to the surface to bulk, which shows the characteristics of the atmosphere of Stone Arts.
NGC 1427a是个典型的矮星系、不规则星系，它们的外形不规则，并且光度比规则星系(涡旋星系、椭圆星系)小。
NGC 1427a is an example of a dwarf irregular galaxy, a type of galaxy that is significantly less bright than regular galaxies and characterised by a peculiar shape.
花式纱线不规则的外形、复杂的材质结构以及丰富的色彩变化，造成对其进行计算机模拟的困难。
Fancy yam with irregular shape, complicated texture and structure, and multicolor is difficult to model and simulate.
花式纱线不规则的外形、复杂的材质结构以及丰富的色彩变化，造成对其进行计算机模拟的困难。
Fancy yarn with irregular shape, complicated texture and structure, and multicolor is difficult to model and simulate.
不规则的核外形也可能是人工假象。
底盘以方形底盘最便宜，底盘外形不规则，模具造价高，淋浴房价格也会随之增高。
Chassis with quadrate batholith the cheapest, chassis appearance is irregular, mould cost is high, shower house price also is met subsequently heighten.
皮肤恶性黑色素瘤与良性的黑色素痣相比更大、外形不规则。
This excision of skin demonstrates a malignant melanoma, which is much larger and more irregular than a benign nevus.
皮肤恶性黑色素瘤与良性的黑色素痣相比更大、外形不规则。
This excision of skin demonstrates a malignant melanoma, which is much larger and more irregular than a benign nevus.
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