forked from bartvdbraak/blender
90 lines
2.3 KiB
Python
90 lines
2.3 KiB
Python
from Blender import Scene, sys, Camera, Object, Image
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from Blender.Scene import Render
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def imageFromObjectsOrtho(objects, path, width, height, alpha= True):
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'''
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Takes any number of objects and renders them on the z axis, between x:y-0 and x:y-1
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Usefull for making images from a mesh without per pixel operations
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- objects must be alredy placed
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- path renders to a PNG image
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'''
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# remove an extension if its alredy there
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if path.lower().endswith('.png'):
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path= path[:-4]
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path_expand= sys.expandpath(path) + '.png'
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# Touch the path
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try:
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f= open(path_expand, 'w')
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f.close()
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except:
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raise 'Error, could not write to path'
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# RENDER THE FACES.
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scn= Scene.GetCurrent()
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render_scn= Scene.New()
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render_scn.makeCurrent()
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# Add objects into the current scene
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for ob in objects:
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render_scn.link(ob)
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# set layers
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render_context= render_scn.getRenderingContext()
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render_context.setRenderPath('') # so we can ignore any existing path and save to the abs path.
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render_context.imageSizeX(width)
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render_context.imageSizeY(height)
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render_context.enableOversampling(True)
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render_context.setOversamplingLevel(16)
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render_context.setRenderWinSize(100)
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render_context.setImageType(Render.PNG)
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render_context.enableExtensions(True)
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#render_context.enableSky() # No alpha needed.
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if alpha:
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render_context.alphaMode= 2
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render_context.enableRGBAColor()
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else:
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render_context.alphaMode= 0
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render_context.enableRGBColor()
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render_context.displayMode= 0 # fullscreen
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# New camera and object
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render_cam_data= Camera.New('ortho')
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render_cam_ob= Object.New('Camera')
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render_cam_ob.link(render_cam_data)
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render_scn.link(render_cam_ob)
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render_scn.setCurrentCamera(render_cam_ob)
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render_cam_data.type= 1 # ortho
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render_cam_data.scale= 1.0
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# Position the camera
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render_cam_ob.LocZ= 1.0
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render_cam_ob.LocX= 0.5
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render_cam_ob.LocY= 0.5
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render_context.render()
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render_context.saveRenderedImage(path)
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# Render.CloseRenderWindow()
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#if not B.sys.exists(PREF_IMAGE_PATH_EXPAND):
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# raise 'Error!!!'
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# NOW APPLY THE SAVED IMAGE TO THE FACES!
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#print PREF_IMAGE_PATH_EXPAND
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try:
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target_image= Image.Load(path_expand)
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except:
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raise 'Error: Could not render or load the image at path "%s"' % path_expand
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return
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scn.makeCurrent()
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Scene.Unlink(render_scn)
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