Raytracing API example/fr: Difference between revisions
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== Introduction == |
== Introduction == |
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Les modules {{incode|Raytracing}} et {{incode|RaytracingGui}} fournissent plusieurs méthodes pour écrire le contenu d'une scène sous forme de données povray ou luxrender. |
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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. |
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. |
Revision as of 10:15, 25 February 2019
Introduction
Les modules Raytracing
et RaytracingGui
fournissent plusieurs méthodes pour écrire le contenu d'une scène sous forme de données povray ou luxrender.
The most useful commands are Raytracing.getPartAsPovray()
and Raytracing.getPartAsLux()
to render a FreeCAD Part object into a povray or luxrender definition, and RaytracingGui.povViewCamera()
and RaytracinGui.luxViewCamera()
to get the current point of view of the 3D view window into povray or luxrender format.
Outputting render files
Here is how to write a povray file from python, assuming your document contains a "Box" object:
import Raytracing,RaytracingGui
OutFile = open('C:/Documents and Settings/jriegel/Desktop/test.pov','w')
OutFile.write(open(App.getResourceDir()+'Mod/Raytracing/Templates/ProjectStd.pov').read())
OutFile.write(RaytracingGui.povViewCamera())
OutFile.write(Raytracing.getPartAsPovray('Box',App.activeDocument().Box.Shape,0.800000,0.800000,0.800000))
OutFile.close()
del OutFile
And the same for luxrender:
import Raytracing,RaytracingGui
OutFile = open('C:/Documents and Settings/jriegel/Desktop/test.lxs','w')
OutFile.write(open(App.getResourceDir()+'Mod/Raytracing/Templates/LuxClassic.lxs').read())
OutFile.write(RaytracingGui.luxViewCamera())
OutFile.write(Raytracing.getPartAsLux('Box',App.activeDocument().Box.Shape,0.800000,0.800000,0.800000))
OutFile.close()
del OutFile
Creating a custom render object
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:
myRaytracingProject = FreeCAD.ActiveDocument.PovProject
myCustomRenderObject = FreeCAD.ActiveDocument.addObject("Raytracing::RaySegment","myRenderObject")
myRaytracingProject.addObject(myCustomRenderObject)
myCustomRenderObject.Result = "// Hello from python!"
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