fixing materials issues

json_examples/ParametricModelling/insolation.json

@@ -2,7 +2,13 @@
   "export_version": "0.072",
   "framed_nodes": {
     "Circle": "Frame.003",
+    "Frame.002": "Frame.003",
+    "Frame.004": "Frame.003",
     "List Match": "Frame.003",
+    "Note": "Frame.003",
+    "Object ID Insolation": "Frame.004",
+    "Objects in mk3": "Frame.001",
+    "Objects in mk3.001": "Frame.001",
     "Reroute": "Frame.002",
     "Reroute.002": "Frame.002",
     "Reroute.008": "Frame.002",
@@ -12,7 +18,8 @@
     "Vector X/Y/Z": "Frame.003",
     "Vector X/Y/Z.001": "Frame.003",
     "Vector in": "Frame.003",
-    "Viewer Draw": "Frame.003"
+    "Viewer Draw": "Frame.003",
+    "Viewer Index": "Frame.003"
   },
   "groups": {},
   "nodes": {
@@ -57,37 +64,61 @@
       "use_custom_color": true,
       "width": 800.0
     },
+    "Frame.001": {
+      "bl_idname": "NodeFrame",
+      "height": 694.6670532226562,
+      "hide": false,
+      "label": "from scene",
+      "location": [
+        109.05883026123047,
+        66.97383880615234
+      ],
+      "params": {},
+      "width": 203.75582885742188
+    },
     "Frame.002": {
       "bl_idname": "NodeFrame",
-      "height": 186.91839599609375,
+      "height": 212.9017333984375,
       "hide": false,
       "label": "data to insol",
       "location": [
-        289.2660217285156,
-        647.1701049804688
+        79.26565551757812,
+        476.146728515625
       ],
       "params": {},
-      "width": 140.32843017578125
+      "width": 77.29409790039062
     },
     "Frame.003": {
       "bl_idname": "NodeFrame",
-      "height": 400.14434814453125,
+      "height": 595.2105712890625,
       "hide": false,
       "label": "rays",
       "location": [
         407.508056640625,
         -619.734375
       ],
       "params": {},
-      "width": 896.2562255859375
+      "width": 1077.5419921875
+    },
+    "Frame.004": {
+      "bl_idname": "NodeFrame",
+      "height": 192.54067993164062,
+      "hide": false,
+      "label": "insolation",
+      "location": [
+        1.4534912109375,
+        77.4736328125
+      ],
+      "params": {},
+      "width": 200.35296630859375
     },
     "List Match": {
       "bl_idname": "ListMatchNode",
       "height": 100.0,
       "hide": true,
       "label": "",
       "location": [
-        461.21144104003906,
+        461.21142578125,
         -474.6988220214844
       ],
       "params": {
@@ -106,12 +137,12 @@
       "hide": false,
       "label": "",
       "location": [
-        -122.04351806640625,
-        198.80079650878906
+        -88.3455810546875,
+        -89.8482666015625
       ],
       "params": {
         "show_text": 0,
-        "text": "Nikitron 2018 - insolation test"
+        "text": "Nikitron 2018 - insolation test. victim's every polygon calculates. predator is simply shape"
       },
       "use_custom_color": true,
       "width": 400.0
@@ -132,12 +163,12 @@
       "hide": false,
       "label": "",
       "location": [
-        834.3430786132812,
-        40.188499450683594
+        594.4342651367188,
+        -132.51815795898438
       ],
       "params": {
         "mode": 0,
-        "sort_critical": 2
+        "sort_critical": 8
       },
       "width": 140.0
     },
@@ -150,10 +181,10 @@
       ],
       "height": 100.0,
       "hide": false,
-      "label": "",
+      "label": "victim",
       "location": [
-        247.8347625732422,
-        24.671173095703125
+        -345.22498321533203,
+        -424.64835357666016
       ],
       "object_names": [
         "victim"
@@ -171,10 +202,10 @@
       ],
       "height": 100.0,
       "hide": false,
-      "label": "",
+      "label": "predator",
       "location": [
-        449.2581787109375,
-        197.5847930908203
+        -348.62784576416016,
+        -99.45061492919922
       ],
       "object_names": [
         "predator"
@@ -189,8 +220,8 @@
       "hide": false,
       "label": "predator",
       "location": [
-        718.5639038085938,
-        -2.692626953125
+        508.56353759765625,
+        -173.71600341796875
       ],
       "params": {},
       "width": 16.0
@@ -201,8 +232,8 @@
       "hide": false,
       "label": "sun rays",
       "location": [
-        718.5639038085938,
-        -79.7427978515625
+        508.56353759765625,
+        -250.76617431640625
       ],
       "params": {},
       "width": 16.0
@@ -218,8 +249,8 @@
       "hide": false,
       "label": "victim",
       "location": [
-        718.5639038085938,
-        -39.425048828125
+        508.56353759765625,
+        -210.44842529296875
       ],
       "params": {},
       "use_custom_color": true,
@@ -245,7 +276,7 @@
       "hide": false,
       "label": "",
       "location": [
-        282.40882110595703,
+        282.4088134765625,
         -306.5486145019531
       ],
       "params": {
@@ -259,7 +290,7 @@
       "hide": true,
       "label": "",
       "location": [
-        459.2382049560547,
+        459.23822021484375,
         -531.6445922851562
       ],
       "params": {
@@ -305,7 +336,7 @@
       "hide": false,
       "label": "",
       "location": [
-        300.18038177490234,
+        300.1803894042969,
         -485.6902160644531
       ],
       "params": {},
@@ -322,7 +353,7 @@
       "hide": false,
       "label": "",
       "location": [
-        587.5731658935547,
+        587.5731811523438,
         -306.4921875
       ],
       "params": {
@@ -358,8 +389,8 @@
       "hide": false,
       "label": "",
       "location": [
-        838.7593994140625,
-        -114.1307373046875
+        768.8589477539062,
+        -131.31939697265625
       ],
       "params": {
         "activate": 1,
@@ -407,6 +438,18 @@
       "Reroute.002",
       "Input"
     ],
+    [
+      "Rotation.001",
+      0,
+      "List Match",
+      0
+    ],
+    [
+      "Vector in",
+      0,
+      "List Match",
+      1
+    ],
     [
       "Objects in mk3",
       "Object",
@@ -449,18 +492,6 @@
       "Viewer Index",
       4
     ],
-    [
-      "Rotation.001",
-      0,
-      "List Match",
-      0
-    ],
-    [
-      "Vector in",
-      0,
-      "List Match",
-      1
-    ],
     [
       "List Match",
       0,

nodes/analyzer/object_insolation.py

@@ -133,19 +133,29 @@ def colset(rec,OutS_):
                     colors[co].color = OutS[0][i]
         colset(rec,OutS_)
         def matset(rec):
-            if len(rec.material_slots):
-                trem = rec.material_slots[0].material.node_tree
-                matnodes = trem.nodes
-                if not 'Attribute' in matnodes:
-                    att = matnodes.new('ShaderNodeAttribute')
-                else:
-                    att = matnodes['Attribute']
-                if not 'Diffuse BSDF' in matnodes:
-                    dif = matnodes.new('ShaderNodeBsdfDiffuse')
-                else:
-                    dif = matnodes['Diffuse BSDF']
-                att.attribute_name = 'SvInsol'
-                trem.links.new(dif.inputs[0],att.outputs[0])
+            # add new material with nodes
+            ms = rec.material_slots
+            if not 'svmat' in bpy.data.materials:
+                manew = bpy.data.materials.new('svmat')
+                manew.use_nodes = True
+            if not len(ms):
+                # append if no slots
+                rec.data.materials.append(manew)
+            if not ms[-1].material:
+                # assign if no material in slot
+                ms[-1].material = manew
+            trem = ms[-1].material.node_tree
+            matnodes = trem.nodes
+            if not 'Attribute' in matnodes:
+                att = matnodes.new('ShaderNodeAttribute')
+            else:
+                att = matnodes['Attribute']
+            if not 'Diffuse BSDF' in matnodes:
+                dif = matnodes.new('ShaderNodeBsdfDiffuse')
+            else:
+                dif = matnodes['Diffuse BSDF']
+            att.attribute_name = 'SvInsol'
+            trem.links.new(dif.inputs[0],att.outputs[0])
         matset(rec)
         if H.is_linked:
             OutH = []
@@ -207,4 +217,4 @@ def unregister():
     bpy.utils.unregister_class(SvOBJInsolationNode)
 
 if __name__ == '__main__':
-    register()
+    register()