File:Quadrants in descriptive geometry.png
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This is a file from the Wikimedia Commons. The description on its description page there is shown below.
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Summary
| Description | Modern orthographic projection is derived from Gaspard Monge's descriptive geometry. Monge defined a reference system of two viewing planes, horizontal H ("ground") and vertical V ("backdrop"). These two planes partition 3D space into 4 quadrants, which he labeled I, II, III and IV. |
| Date | |
| Source | Own work. Download source code. |
| Author | SharkD |
Licensing
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
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File history
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| Date/Time | Dimensions | User | Comment | |
|---|---|---|---|---|
| current | 14:56, 2 August 2018 | 1,990 × 1,802 (87 KB) | Datumizer | Add H and V labels. |
