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In isometric projection, the most commonly used form of axonometric projection in engineering drawing, [4] the direction of viewing is such that the three axes of space appear equally foreshortened, and there is a common angle of 120° between them. As the distortion caused by foreshortening is uniform, the proportionality between lengths is ...
The next diagram shows the images of the unit cube for various angles and foreshortenings and gives some hints for how to make these personal choices. Various axonometric images of a unit cube. (The image plane is parallel to the y-z-plane.) The left and the far right images look more like prolonged cuboids instead of a cube.
One tell-tale sign of oblique projection is that the face pointed toward the camera retains its right angles with respect to the image plane. [clarification needed] Two examples of oblique projection are Ultima VII: The Black Gate and Paperboy. Examples of axonometric projection include SimCity 2000, and the role-playing games Diablo and Baldur ...
In three-dimensional geometry, a parallel projection (or axonometric projection) is a projection of an object in three-dimensional space onto a fixed plane, known as the projection plane or image plane, where the rays, known as lines of sight or projection lines, are parallel to each other. It is a basic tool in descriptive geometry.
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Technical illustration uses several basic mechanical drawing configurations called axonometric projection. These are: Parallel projections (oblique, planometric, isometric, dimetric, and trimetric), and; many types of perspective projections (with one, two, or three vanishing points).
Example mechanical drawing. Here is an example of an engineering drawing (an isometric view of the same object is shown above). The different line types are colored for clarity. Black = object line and hatching; Red = hidden line; Blue = center line of piece or opening; Magenta = phantom line or cutting plane line
ISO 5456 Technical drawings — Projection methods. ISO 5456-1:1996 Technical drawings — Projection methods — Part 1: Synopsis; ISO 5456-2:1996 Technical drawings — Projection methods — Part 2: Orthographic representations; ISO 5456-3:1996 Technical drawings — Projection methods — Part 3: Axonometric representations