http://wiki.polycount.com/w/index.php?title=ChannelPacking&feed=atom&action=history
ChannelPacking - Revision history
2024-03-29T08:54:24Z
Revision history for this page on the wiki
MediaWiki 1.23.2
http://wiki.polycount.com/w/index.php?title=ChannelPacking&diff=8947&oldid=prev
EricChadwick: /* Examples */
2023-08-20T15:26:45Z
<p><span dir="auto"><span class="autocomment">Examples</span></span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 15:26, 20 August 2023</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Examples ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Examples ==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Storing five textures into two RGBA bitmaps. See [https://www.brynnhooper.com/post/optimizing-megascans-materials Optimizing Megascans Materials] <br clear="all"/></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins class="diffchange diffchange-inline">[[image:Optimizing_Megascans_Materials.jpg|thumb|600px|left|</ins>Storing five textures into two RGBA bitmaps. See [https://www.brynnhooper.com/post/optimizing-megascans-materials Optimizing Megascans Materials<ins class="diffchange diffchange-inline">] ]</ins>]<br clear="all"/></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[image:TM_Mask_Example.jpg|thumb|600px|left|A channel-packed texture using Red, Green, Blue, and Alpha channels to store four texture masks. See [https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/HowTo/Masking/index.html Using Texture Masks] from the [https://docs.unrealengine.com/latest/INT/ Unreal Engine 4 Documentation].]]<br clear="all"/></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[image:TM_Mask_Example.jpg|thumb|600px|left|A channel-packed texture using Red, Green, Blue, and Alpha channels to store four texture masks. See [https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/HowTo/Masking/index.html Using Texture Masks] from the [https://docs.unrealengine.com/latest/INT/ Unreal Engine 4 Documentation].]]<br clear="all"/></div></td></tr>
</table>
EricChadwick
http://wiki.polycount.com/w/index.php?title=ChannelPacking&diff=8946&oldid=prev
EricChadwick: /* Examples */
2023-08-20T15:22:52Z
<p><span dir="auto"><span class="autocomment">Examples</span></span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 15:22, 20 August 2023</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Examples ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Examples ==</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Storing five textures into two RGBA bitmaps. See [https://www.brynnhooper.com/post/optimizing-megascans-materials Optimizing Megascans Materials] <br clear="all"/></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[image:TM_Mask_Example.jpg|thumb|600px|left|A channel-packed texture using Red, Green, Blue, and Alpha channels to store four texture masks. See [https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/HowTo/Masking/index.html Using Texture Masks] from the [https://docs.unrealengine.com/latest/INT/ Unreal Engine 4 Documentation].]]<br clear="all"/></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[image:TM_Mask_Example.jpg|thumb|600px|left|A channel-packed texture using Red, Green, Blue, and Alpha channels to store four texture masks. See [https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/HowTo/Masking/index.html Using Texture Masks] from the [https://docs.unrealengine.com/latest/INT/ Unreal Engine 4 Documentation].]]<br clear="all"/></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
</table>
EricChadwick
http://wiki.polycount.com/w/index.php?title=ChannelPacking&diff=8793&oldid=prev
EricChadwick: /* Examples */ trim sheet links
2020-05-23T17:41:44Z
<p><span dir="auto"><span class="autocomment">Examples: </span> trim sheet links</span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 17:41, 23 May 2020</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[image:SneferTileExplain.jpg|thumb|600px|left|Two channel-packed <del class="diffchange diffchange-inline">textures</del>, which store a total of six unique textures, see [http://polycount.com/discussion/89682 An exercise in modular textures - Scifi lab UDK] on the Polycount Forum. Image by [http://www.torfrick.com/ Tor 'Snefer' Frick].]]<br clear="all"/></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[image:SneferTileExplain.jpg|thumb|600px|left|Two channel-packed <ins class="diffchange diffchange-inline">[[MultiTexture#Trim_Sheets|trim sheet]]s</ins>, which store a total of six unique textures, see [http://polycount.com/discussion/89682 An exercise in modular textures - Scifi lab UDK] on the Polycount Forum. Image by [http://www.torfrick.com/ Tor 'Snefer' Frick].]]<br clear="all"/></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[image:DistingTileExplain.jpg|thumb|400px|left|A channel-packed <del class="diffchange diffchange-inline">texture </del>used to texture an entire scene, see [http://polycount.com/discussion/comment/1588220/#Comment_1588220 [UDK] Oil Rig Observation Outpost] on the Polycount Forum. Image by [http://artbywiktor.com/ Wiktor 'Disting' Öhman].]]<br clear="all"/></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[image:DistingTileExplain.jpg|thumb|400px|left|A channel-packed <ins class="diffchange diffchange-inline">[[MultiTexture#Trim_Sheets|trim sheet]] </ins>used to texture an entire scene, see [http://polycount.com/discussion/comment/1588220/#Comment_1588220 [UDK] Oil Rig Observation Outpost] on the Polycount Forum. Image by [http://artbywiktor.com/ Wiktor 'Disting' Öhman].]]<br clear="all"/></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[image:Marcan-MassEffect3-swizzle.jpg|thumb|600px|left|A channel-packed <del class="diffchange diffchange-inline">texture </del>used in Mass Effect 3, see [http://polycount.com/discussion/comment/1881634/#Comment_1881634 Mass Effect 3 art - Marc-Antoine Hamelin] on the Polycount Forum. Image by [http://www.marc-antoine.ca/ Marc-Antoine 'Marcan' Hamelin].]]<br clear="all"/></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[image:Marcan-MassEffect3-swizzle.jpg|thumb|600px|left|A channel-packed <ins class="diffchange diffchange-inline">[[MultiTexture#Trim_Sheets|trim sheet]] </ins>used in Mass Effect 3, see [http://polycount.com/discussion/comment/1881634/#Comment_1881634 Mass Effect 3 art - Marc-Antoine Hamelin] on the Polycount Forum. Image by [http://www.marc-antoine.ca/ Marc-Antoine 'Marcan' Hamelin].]]<br clear="all"/></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Compression Artifacts ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Compression Artifacts ==</div></td></tr>
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EricChadwick
http://wiki.polycount.com/w/index.php?title=ChannelPacking&diff=8746&oldid=prev
EricChadwick: /* Compression Artifacts */ Unreal 4 documentation
2019-11-16T15:09:52Z
<p><span dir="auto"><span class="autocomment">Compression Artifacts: </span> Unreal 4 documentation</span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 15:09, 16 November 2019</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Compression Artifacts ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Compression Artifacts ==</div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>If you save a channel-packed texture using [[DXT]] compression, it will probably add blocky artifacts to your maps. To learn how to reduce these errors, see [[Normal Map Compression]].</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>If you save a channel-packed texture using [[DXT]] compression, it will probably add blocky artifacts to your maps. To learn how to reduce these errors, see [[Normal Map Compression]]. <ins class="diffchange diffchange-inline">Also see the [https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Masking/#maskingandchannelartifacts Unreal 4 documentation] for tips about this.</ins></div></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div> </div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Tools ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Tools ==</div></td></tr>
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EricChadwick
http://wiki.polycount.com/w/index.php?title=ChannelPacking&diff=8605&oldid=prev
Edek at 21:01, 8 March 2018
2018-03-08T21:01:24Z
<p></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 21:01, 8 March 2018</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [http://polycount.com/discussion/148082 Channel Shuffle]</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>* [http://polycount.com/discussion/148082 Channel Shuffle]</div></td></tr>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">* [https://support.allegorithmic.com/documentation/display/SDDOC/RGBA+Merge Substance Designer RGBA Merge]</ins></div></td></tr>
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Edek
http://wiki.polycount.com/w/index.php?title=ChannelPacking&diff=8592&oldid=prev
EricChadwick: /* Swizzle */ why green bias
2018-01-21T16:58:13Z
<p><span dir="auto"><span class="autocomment">Swizzle: </span> why green bias</span></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Swizzling means to change the order of the color channels in a texture. For example, moving the red channel into the alpha channel, to prepare an image for [[Normal_Map_Compression#DXT5nm_Compression|DXT5nm compression]].</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Swizzling means to change the order of the color channels in a texture. For example, moving the red channel into the alpha channel, to prepare an image for [[Normal_Map_Compression#DXT5nm_Compression|DXT5nm compression]].</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Usually swizzling is done to create better results when using image compression, since the green channel sometimes uses more bits. This is because the human visual system is biased to perceive more values in the green range than in red or blue.</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Usually swizzling is done to create better results when using image compression, since the green channel sometimes uses more bits. This is because <ins class="diffchange diffchange-inline">[http://www.physicsclassroom.com/class/light/Lesson-2/Visible-Light-and-the-Eye-s-Response </ins>the human visual system is biased<ins class="diffchange diffchange-inline">] </ins>to perceive more values in the green range than in red or blue.</div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>See [[Normal Map Compression]].</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>See [[Normal Map Compression]].</div></td></tr>
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EricChadwick
http://wiki.polycount.com/w/index.php?title=ChannelPacking&diff=8591&oldid=prev
EricChadwick: Unity specular alpha example
2018-01-21T16:44:17Z
<p>Unity specular alpha example</p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[image:TM_Mask_Example.jpg|thumb|600px|left|A channel-packed texture using Red, Green, Blue, and Alpha channels to store four texture masks. See [https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/HowTo/Masking/index.html Using Texture Masks] from the [https://docs.unrealengine.com/latest/INT/ Unreal Engine 4 Documentation].]]<br clear="all"/></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[image:TM_Mask_Example.jpg|thumb|600px|left|A channel-packed texture using Red, Green, Blue, and Alpha channels to store four texture masks. See [https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/HowTo/Masking/index.html Using Texture Masks] from the [https://docs.unrealengine.com/latest/INT/ Unreal Engine 4 Documentation].]]<br clear="all"/></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>[[image:<del class="diffchange diffchange-inline">Unity_Smoothness_Alpha</del>.<del class="diffchange diffchange-inline">jpg</del>|thumb|600px|left|Unity's Standard Material has the option to store Glossiness in the alpha of the <del class="diffchange diffchange-inline">Metallic </del>(or <del class="diffchange diffchange-inline">Specular</del>) texture, see [https://docs.unity3d.com/Manual/StandardShaderMaterialParameterSmoothness.html Unity - Manual: Smoothness] from the [https://docs.unity3d.com/Manual/index.html Unity User Manual].]]<br clear="all"/></div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>[[image:<ins class="diffchange diffchange-inline">StandardShaderSpecularMap1000kgWeight</ins>.<ins class="diffchange diffchange-inline">png</ins>|thumb|600px|left|Unity's Standard Material has the option to store Glossiness in the alpha of the <ins class="diffchange diffchange-inline">Specular </ins>(or <ins class="diffchange diffchange-inline">Metallic</ins>) texture, see [https://docs.unity3d.com/Manual/StandardShaderMaterialParameterSmoothness.html Unity - Manual: Smoothness] from the [https://docs.unity3d.com/Manual/index.html Unity User Manual].]]<br clear="all"/></div></td></tr>
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EricChadwick
http://wiki.polycount.com/w/index.php?title=ChannelPacking&diff=8589&oldid=prev
EricChadwick: /* Examples */ unreal and unity
2018-01-21T16:34:38Z
<p><span dir="auto"><span class="autocomment">Examples: </span> unreal and unity</span></p>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Examples ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Examples ==</div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[image:TM_Mask_Example.jpg|thumb|600px|left|A channel-packed texture using Red, Green, Blue, and Alpha channels to store four texture masks. See [https://docs.unrealengine.com/latest/INT/Engine/Rendering/Materials/HowTo/Masking/index.html Using Texture Masks] from the [https://docs.unrealengine.com/latest/INT/ Unreal Engine 4 Documentation].]]<br clear="all"/></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">[[image:Unity_Smoothness_Alpha.jpg|thumb|600px|left|Unity's Standard Material has the option to store Glossiness in the alpha of the Metallic (or Specular) texture, see [https://docs.unity3d.com/Manual/StandardShaderMaterialParameterSmoothness.html Unity - Manual: Smoothness] from the [https://docs.unity3d.com/Manual/index.html Unity User Manual].]]<br clear="all"/></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[image:SneferTileExplain.jpg|thumb|600px|left|Two channel-packed textures, which store a total of six unique textures, see [http://polycount.com/discussion/89682 An exercise in modular textures - Scifi lab UDK] on the Polycount Forum. Image by [http://www.torfrick.com/ Tor 'Snefer' Frick].]]<br clear="all"/></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[image:SneferTileExplain.jpg|thumb|600px|left|Two channel-packed textures, which store a total of six unique textures, see [http://polycount.com/discussion/89682 An exercise in modular textures - Scifi lab UDK] on the Polycount Forum. Image by [http://www.torfrick.com/ Tor 'Snefer' Frick].]]<br clear="all"/></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[image:Marcan-MassEffect3-swizzle.jpg|thumb|600px|left|A channel-packed texture used in Mass Effect 3, see [http://polycount.com/discussion/comment/1881634/#Comment_1881634 Mass Effect 3 art - Marc-Antoine Hamelin] on the Polycount Forum. Image by [http://www.marc-antoine.ca/ Marc-Antoine 'Marcan' Hamelin].]]<br clear="all"/></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[image:Marcan-MassEffect3-swizzle.jpg|thumb|600px|left|A channel-packed texture used in Mass Effect 3, see [http://polycount.com/discussion/comment/1881634/#Comment_1881634 Mass Effect 3 art - Marc-Antoine Hamelin] on the Polycount Forum. Image by [http://www.marc-antoine.ca/ Marc-Antoine 'Marcan' Hamelin].]]<br clear="all"/></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Compression Artifacts ==</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>== Compression Artifacts ==</div></td></tr>
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EricChadwick
http://wiki.polycount.com/w/index.php?title=ChannelPacking&diff=8550&oldid=prev
Edek at 21:22, 1 August 2017
2017-08-01T21:22:17Z
<p></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 21:22, 1 August 2017</td>
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Edek
http://wiki.polycount.com/w/index.php?title=ChannelPacking&diff=8411&oldid=prev
EricChadwick: /* Sizzle */ SWIZZLE
2016-12-15T14:39:17Z
<p><span dir="auto"><span class="autocomment">Sizzle: </span> SWIZZLE</span></p>
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Older revision</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Revision as of 14:39, 15 December 2016</td>
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<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[RMA]] is a type of packed map which contains [[Roughness map|Roughness]] + [[Metallic map|Metallic]] + [[Ambient occlusion map|Ambient occlusion]], which are used with [[PBR]] (Physically Based Rendering).  </div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>[[RMA]] is a type of packed map which contains [[Roughness map|Roughness]] + [[Metallic map|Metallic]] + [[Ambient occlusion map|Ambient occlusion]], which are used with [[PBR]] (Physically Based Rendering).  </div></td></tr>
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<tr><td class='diff-marker'>−</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>== <del class="diffchange diffchange-inline">Sizzle </del>==</div></td><td class='diff-marker'>+</td><td style="color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>== <ins class="diffchange diffchange-inline">Swizzle </ins>==</div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Swizzling means to change the order of the color channels in a texture. For example, moving the red channel into the alpha channel, to prepare an image for [[Normal_Map_Compression#DXT5nm_Compression|DXT5nm compression]].</div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>Swizzling means to change the order of the color channels in a texture. For example, moving the red channel into the alpha channel, to prepare an image for [[Normal_Map_Compression#DXT5nm_Compression|DXT5nm compression]].</div></td></tr>
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EricChadwick