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Hidden lines are particularly useful when viewing an object from an angle where the visible only lines do not have much information. In a computer drawing application the option may be referred to a wire frame with hidden edges. [6] The hidden edges would be dashed lines. A wire-frame image using hidden-line removal
The hidden-line algorithm uses n 2 exclusive read, exclusive write (EREW) PRAM processors. The EREW model is the PRAM variant closest to real machines. The hidden-line algorithm does O(n 2 log n) work, which is the upper bound for the best sequential algorithms used in practice. Cook, Dwork and Reischuk gave an Ω(log n) lower bound for finding ...
Hidden-surface determination is a process by which surfaces that should not be visible to the user (for example, because they lie behind opaque objects such as walls) are prevented from being rendered. Despite advances in hardware capability, there is still a need for advanced rendering algorithms. The responsibility of a rendering engine is to ...
Out Line 0.20 or 0.25 White, Cyan, Yellow, Blue Hidden Line 0.00 or 0.05 Blue, Gray, 241 Center Line 0.10 or 0.15 Green, Red, Blue Note 0.18 or 0.20 White, Cyan, Green, 41 Thin Line 0.00 or 0.05 Gray, 08, 111 Reference Line 0.000 Magenta, Gray Hatch Line 0.000 Magenta, Green, Gray, red Color-9 to 256 0.000 Dimension line Leader Line with Arrows
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
An exploded-view drawing is a diagram, picture, schematic or technical drawing of an object, that shows the relationship or order of assembly of various parts. [1]It shows the components of an object slightly separated by distance, or suspended in surrounding space in the case of a three-dimensional exploded diagram.
A blueprint is a reproduction of a technical drawing or engineering drawing using a contact print process on light-sensitive sheets introduced by Sir John Herschel in 1842. [1] The process allowed rapid and accurate production of an unlimited number of copies.
Though cutaway drawing are not dimensioned manufacturing blueprints, they are meticulously drawn by a handful of devoted artists who either had access to manufacturing details or deduced them by observing the visible evidence of the hidden skeleton (e.g. rivet lines, etc.). The goal of this drawings in studies can be to identify common design ...