pov 2.8 fixes

primitive grid radius became size and noise deprecated

render_povray/primitives.py

@@ -1126,8 +1126,8 @@ class POVRAY_OT_height_field_add(bpy.types.Operator, ImportHelper):
         hf_tex = bpy.data.textures.new('%s_hf_image'%im_name, type = 'IMAGE')
         hf_tex.image = img
         mat = bpy.data.materials.new('Tex_%s_hf'%im_name)
-        hf_slot = mat.pov_texture_slots.create(-1)
-        hf_slot.texture = hf_tex
+        hf_slot = mat.pov_texture_slots.add()
+        hf_slot.texture = hf_tex.name
         #layers = 20*[False]
         #layers[0] = True
         quality = props.quality
@@ -1135,12 +1135,12 @@ class POVRAY_OT_height_field_add(bpy.types.Operator, ImportHelper):
         w,h = hf_tex.image.size[:]
         w = int(w/res)
         h = int(h/res)
-        bpy.ops.mesh.primitive_grid_add(x_subdivisions=w, y_subdivisions=h,radius = 0.5)
+        bpy.ops.mesh.primitive_grid_add(x_subdivisions=w, y_subdivisions=h,size = 0.5)
         ob = context.object
         ob.name = ob.data.name = '%s'%im_name
         ob.data.materials.append(mat)
         bpy.ops.object.mode_set(mode="EDIT")
-        bpy.ops.mesh.noise(factor=1)
+        # bpy.ops.mesh.noise(factor=1) # TODO replace by a displace modifier as noise deprecated in 2.8
         bpy.ops.object.mode_set(mode="OBJECT")
 
         #needs a loop to select by index?
@@ -1148,7 +1148,7 @@ class POVRAY_OT_height_field_add(bpy.types.Operator, ImportHelper):
         #material just left there for now
 
 
-        mat.texture_slots.clear(-1)
+        mat.pov_texture_slots.clear()
         bpy.ops.object.mode_set(mode="EDIT")
         bpy.ops.mesh.hide(unselected=False)
         bpy.ops.object.mode_set(mode="OBJECT")