__init__.py

                bunchiness=self.bObject)
        timings.add('objcreation')

        if self.showMarkers:
            obj_markers.parent = obj_new

        self.updateTree = False

        if self.timePerformance:
            timings.add('Total')
            print(timings)

        return {'FINISHED'}

    def draw(self, context):
        layout = self.layout

        layout.prop(self, 'updateTree', icon='MESH_DATA')

        columns = layout.row()
        col1 = columns.column()
        col2 = columns.column()

        box = col1.box()
        box.label(text="Generation Settings:")
        box.prop(self, 'randomSeed')
        box.prop(self, 'maxIterations')

        box = col1.box()
        box.label(text="Shape Settings:")
        box.prop(self, 'numberOfEndpoints')
        box.prop(self, 'internodeLength')
        box.prop(self, 'influenceRange')
        box.prop(self, 'killDistance')
        box.prop(self, 'power')
        box.prop(self, 'scale')
        box.prop(self, 'tropism')

        newbox = col2.box()
        newbox.label(text="Crown shape")
        newbox.prop(self, 'useGroups')
        if self.useGroups:
            newbox.label(text="Object groups defining crown shape")
            groupbox = newbox.box()
            groupbox.prop(self, 'crownGroup')
            groupbox = newbox.box()
            groupbox.alert = (self.shadowGroup == self.crownGroup)
            groupbox.prop(self, 'shadowGroup')
            groupbox = newbox.box()
            groupbox.alert = (self.exclusionGroup == self.crownGroup)
            groupbox.prop(self, 'exclusionGroup')
        else:
            newbox.label(text="Simple ellipsoid defining crown shape")
            newbox.prop(self, 'crownSize')
            newbox.prop(self, 'crownShape')
            newbox.prop(self, 'crownOffset')
        newbox = col2.box()
        newbox.prop(self, 'useTrunkGroup')
        if self.useTrunkGroup:
            newbox.prop(self, 'trunkGroup')

        box.prop(self, 'surfaceBias')
        box.prop(self, 'topBias')
        box.prop(self, 'newEndPointsPer1000')

        box = col2.box()
        box.label(text="Skin options:")
        box.prop(self, 'noModifiers')
        if not self.noModifiers:
            box.prop(self, 'skinMethod')
            box.prop(self, 'subSurface')

        layout.prop(self, 'addLeaves', icon='MESH_DATA')
        if self.addLeaves:
            box = layout.box()
            box.label(text="Leaf Settings:")
            box.prop(self, 'pLeaf')
            box.prop(self, 'bLeaf')
            box.prop(self, 'leafSize')
            box.prop(self, 'leafRandomSize')
            box.prop(self, 'leafRandomRot')
            box.prop(self, 'connectoffset')
            box.prop(self, 'leafMaxConnections')

        layout.prop(self, 'addObjects', icon='MESH_DATA')
        if self.addObjects:
            box = layout.box()
            box.label(text="Object Settings:")
            box.prop(self, 'objectName')
            box.prop(self, 'pObject')
            box.prop(self, 'bObject')
            box.prop(self, 'objectSize')
            box.prop(self, 'objectRandomSize')
            box.prop(self, 'objectRandomRot')
            box.prop(self, 'objectMaxConnections')

        box = layout.box()
        box.label(text="Debug Settings:")
        box.prop(self, 'showMarkers')
        if self.showMarkers:
            box.prop(self, 'markerScale')
        box.prop(self, 'timePerformance')


def menu_func(self, context):
    self.layout.operator(
        SCATree.bl_idname, text="Add Tree to Scene",
        icon='PLUGIN').updateTree = True


def register():
    bpy.utils.register_module(__name__)
    bpy.types.VIEW3D_MT_mesh_add.append(menu_func)


def unregister():
    bpy.types.VIEW3D_MT_mesh_add.remove(menu_func)
    bpy.utils.unregister_module(__name__)


if __name__ == "__main__":
    register()