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Drawing an object without hidden lines, matches an observer's view of the object. [4] Less lines makes an object easier to draw. Cube projection graph, in a B 3 Coxeter plane .
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
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 the maximum of n integers allowing infinitely many processors of any PRAM without simultaneous writes. [19] Finding the maximum of n integers is ...
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
[citation needed] When referring to line rendering it is known as hidden-line removal. [citation needed] Hidden-surface determination is necessary to render a scene correctly, so that one may not view features hidden behind the model itself, allowing only the naturally viewable portion of the graphic to be visible.
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 ...
Exploded-view drawing of a gear pump. An exploded-view drawing is a technical drawing of an object that shows the relationship or order of assembly of the various parts. [13] 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.