Dev:IT/2.5/Py/Scripts/Cookbook/Code snippets/Nodes

Nodi

Questo programma crea una rete di nodi.

#---------------------------------------------------
# File nodes.py
#---------------------------------------------------
import bpy, math
 
# switch on nodes
bpy.context.scene.use_nodes = True
tree = bpy.context.scene.node_tree
links = tree.links

# clear default nodes
for n in tree.nodes:
    tree.nodes.remove(n)

# create input render layer  node
rl = tree.nodes.new('R_LAYERS')      
rl.location = 0,200

# create SEP_RGBA node
sep = tree.nodes.new('SEPRGBA')  
sep.name = "Split"  
sep.location = 200,200
links.new(rl.outputs[0],sep.inputs[0])  # image-image

# create VIEWER node
viewer = tree.nodes.new('VIEWER')    
viewer.label = "Alpha"
viewer.location = 400,400
links.new(sep.outputs[3],viewer.inputs[0])  # A-image

# create COMBRGBA node
comb = tree.nodes.new('COMBRGBA')    
comb.label = "Cyan" 
comb.location = 400,200
links.new(sep.outputs[1],comb.inputs[2])  # G - B
links.new(sep.outputs[2],comb.inputs[1])  # B - G

# create HUE_SAT node
hs = tree.nodes.new('HUE_SAT')    
hs.label = "Violet" 
hs.location = 600,200
hs.color_hue = 0.75
hs.color_saturation = 1.5
links.new(comb.outputs[0],hs.inputs[1])  # image-image

# create output node
comp = tree.nodes.new('COMPOSITE')   
comp.location = 600,400
links.new(hs.outputs[0],comp.inputs[0])  # image-image