Each vertex referenced in a surface has an associated Texture Coordinate. Surfaces have a material attribute, which defines the color and quality (for lighting purposes). It is more efficient to draw single sided surfaces and makes more sense when used as part of an object such as a sphere (where you cant see the other side of the surfaces). Two-sided surfaces will be visible from both sides. If a surface is set to be single-sided, it will only be visible from the front. The type of a surface defines how the surface is drawn and this can be easily changed. Surfaces are one of three types polygons, lines or polygon outlines. SurfaceA surface in AC3D is a sequence of vertices. A vertex is usually part of one or more Surfaces, but need not be. A vertex is always owned by a single object they cannot be shared between objects. More than one vertex can occupy the same position in 3d space. Its specified by three coordinates x, y and z. It is used to create 3D models for simulations, games, rendering ray-traced images and for scientific and general data visualization.ĪC3D runs on a wide range of standard hardware and is available across a number of popular platforms.ĪC3D terminologyVertexA vertex is a single point in 3d space. IntroductionWelcome to AC3DAC3D is designed to make the construction of 3D objects fast and easy.
Resizing backround images ac3d manual#
Version 6.5 User Manual Copyright Inivis Limited 2009
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