https://wiki.freecad.org/index.php?title=Raytracing_API_example/en&feed=atom&action=history
Raytracing API example/en - Revision history
2024-03-29T15:24:03Z
Revision history for this page on the wiki
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2020-08-22T21:08:57Z
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https://wiki.freecad.org/index.php?title=Raytracing_API_example/en&diff=632497&oldid=prev
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2020-02-27T21:04:57Z
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2020-02-27T20:41:40Z
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<p>Updating to match new version of source page</p>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Here is how to write a povray file from python, assuming your document contains a "Box" object:</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Here is how to write a povray file from python, assuming your document contains a "Box" object:</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{Code|code=</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br /></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>And the same for luxrender:</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{Code|code=</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>import Raytracing,RaytracingGui</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Creating a custom render object ==</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Creating a custom render object ==</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Apart from standard povray and luxrender view objects that provide a view of an existing Part object, and that can be inserted in povray and luxrender projects respectively, a third object exist, called RaySegment, that can be inserted either in povray or luxrender projects. That RaySegment object is not linked to any of the FreeCAD objects, and can contain custom povray or luxrender code, that you might wish to insert into your raytracing project. You can also use it, for example, to output your FreeCAD objects a certain way, if you are not happy with the standard way. You can create and use it like this from the python console:</div></td>
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<td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Apart from standard povray and luxrender view objects that provide a view of an existing Part object, and that can be inserted in povray and luxrender projects respectively, a third object exist, called RaySegment, that can be inserted either in povray or luxrender projects. That RaySegment object is not linked to any of the FreeCAD objects, and can contain custom povray or luxrender code, that you might wish to insert into your raytracing project. You can also use it, for example, to output your FreeCAD objects a certain way, if you are not happy with the standard way. You can create and use it like this from the python console:</div></td>
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FuzzyBot
https://wiki.freecad.org/index.php?title=Raytracing_API_example/en&diff=430730&oldid=prev
FuzzyBot: Updating to match new version of source page
2019-02-25T10:02:47Z
<p>Updating to match new version of source page</p>
<p><b>New page</b></p><div><languages/><br />
== Introduction ==<br />
<br />
The {{incode|Raytracing}} and {{incode|RaytracingGui}} modules provide several methods to write scene contents as povray or luxrender data.<br />
<br />
The most useful commands are {{incode|Raytracing.getPartAsPovray()}} and {{incode|Raytracing.getPartAsLux()}} to render a FreeCAD Part object into a povray or luxrender definition, and {{incode|RaytracingGui.povViewCamera()}} and {{incode|RaytracinGui.luxViewCamera()}} to get the current point of view of the 3D view window into povray or luxrender format.<br />
<br />
== Outputting render files ==<br />
<br />
Here is how to write a povray file from python, assuming your document contains a "Box" object:<br />
{{Code|code=<br />
import Raytracing,RaytracingGui<br />
OutFile = open('C:/Documents and Settings/jriegel/Desktop/test.pov','w')<br />
OutFile.write(open(App.getResourceDir()+'Mod/Raytracing/Templates/ProjectStd.pov').read())<br />
OutFile.write(RaytracingGui.povViewCamera())<br />
OutFile.write(Raytracing.getPartAsPovray('Box',App.activeDocument().Box.Shape,0.800000,0.800000,0.800000))<br />
OutFile.close()<br />
del OutFile<br />
}}<br />
<br />
And the same for luxrender:<br />
{{Code|code=<br />
import Raytracing,RaytracingGui<br />
OutFile = open('C:/Documents and Settings/jriegel/Desktop/test.lxs','w')<br />
OutFile.write(open(App.getResourceDir()+'Mod/Raytracing/Templates/LuxClassic.lxs').read())<br />
OutFile.write(RaytracingGui.luxViewCamera())<br />
OutFile.write(Raytracing.getPartAsLux('Box',App.activeDocument().Box.Shape,0.800000,0.800000,0.800000))<br />
OutFile.close()<br />
del OutFile<br />
}}<br />
<br />
== Creating a custom render object ==<br />
Apart from standard povray and luxrender view objects that provide a view of an existing Part object, and that can be inserted in povray and luxrender projects respectively, a third object exist, called RaySegment, that can be inserted either in povray or luxrender projects. That RaySegment object is not linked to any of the FreeCAD objects, and can contain custom povray or luxrender code, that you might wish to insert into your raytracing project. You can also use it, for example, to output your FreeCAD objects a certain way, if you are not happy with the standard way. You can create and use it like this from the python console:<br />
{{Code|code=<br />
myRaytracingProject = FreeCAD.ActiveDocument.PovProject<br />
myCustomRenderObject = FreeCAD.ActiveDocument.addObject("Raytracing::RaySegment","myRenderObject")<br />
myRaytracingProject.addObject(myCustomRenderObject)<br />
myCustomRenderObject.Result = "// Hello from python!"<br />
}}<br />
<br />
{{Raytracing Tools navi}}<br />
{{Userdocnavi}}<br />
[[Category:API]]</div>
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