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February 6, 2023 11:15
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Two commands to get acquainted with the logic of assemblages in Rhino: OrientHandle and ConnectHandle
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| import rhinoscriptsyntax as rs | |
| import Rhino.Geometry as rg | |
| import Rhino | |
| from Rhino.Commands import * | |
| from scriptcontext import doc | |
| # Script written by Alessio Erioli | |
| __commandname__ = "ConnectHandle" | |
| def ptsFromPolyline(poly=None): | |
| if poly==None: return | |
| pts = rs.PolylineVertices(poly) | |
| if len(pts) != 3: | |
| return | |
| newPts = [] | |
| newPts.append(pts[1]) | |
| newPts.append(pts[0]) | |
| newPts.append(pts[2]) | |
| return newPts | |
| def planeFromPts(pts=None): | |
| if pts==None: return | |
| plane = rs.PlaneFromPoints(pts[1],pts[0],pts[2]) | |
| return plane | |
| def RhinoUpdateObjectGroups(obj, group_map): | |
| if obj == None: return | |
| attrib_group_count = obj.Attributes.GroupCount | |
| if attrib_group_count == 0: return | |
| doc = obj.Document | |
| if doc == None: return | |
| groups = doc.Groups | |
| group_count = groups.Count | |
| if group_count == 0: return | |
| if group_map.Count == 0: | |
| for i in range(0, group_count): | |
| group_map.append(-1) | |
| attributes = obj.Attributes | |
| group_list = attributes.GetGroupList() | |
| if group_list == None: return | |
| attrib_group_count = group_list.Length | |
| for i in range(0, attrib_group_count): | |
| old_group_index = group_list[i] | |
| new_group_index = group_map[old_group_index] | |
| if new_group_index == -1: | |
| new_group_index = doc.Groups.Add() | |
| group_map[old_group_index] = new_group_index | |
| group_list[i] = new_group_index | |
| attributes.RemoveFromAllGroups() | |
| for i in range(0, attrib_group_count): | |
| attributes.AddToGroup(group_list[i]) | |
| obj.CommitChanges() | |
| # RunCommand is the called when the user enters the command name in Rhino. | |
| # The command name is defined by the filname minus "_cmd.py" | |
| def RunCommand( is_interactive ): | |
| # get input objects | |
| objs = rs.GetObjects("Select object(s) to connect") | |
| if (objs is None): | |
| return 1 | |
| # select source handle | |
| source = rs.GetObject("Select sender handle (L polyline)", rs.filter.curve) | |
| if(source is None): | |
| return 1 | |
| sPoly = rs.coercecurve(source) | |
| # select destination handle | |
| receiver = rs.GetObject("Select receiver handle (L polyline)", rs.filter.curve) | |
| if (receiver is None): | |
| return 1 | |
| rPoly = rs.coercecurve(receiver) | |
| if not(rs.IsPolyline(sPoly) & rs.IsPolyline(rPoly)): return 1 | |
| preview = [] | |
| while True: | |
| # input rotation angle | |
| rotation = rs.GetReal("Rotation angle (degrees)",0,-360,360) | |
| if rotation is None: break | |
| rs.EnableRedraw(False) | |
| # precalculate points, planes and transformation | |
| sPts = ptsFromPolyline(sPoly) | |
| rPts = ptsFromPolyline(rPoly) | |
| sPlane = planeFromPts(sPts) | |
| rPlane = planeFromPts(rPts) | |
| origin = rPts[0] | |
| rPts = rs.RotateObjects(rPts, origin,180,rPlane.YAxis) | |
| rPts1 = rs.RotateObjects(rPts, origin,-rotation,rPlane.ZAxis) | |
| for obj in objs: | |
| preview.append(rs.OrientObject(obj,sPts,rPts1,1)) | |
| rs.DeleteObjects(rPts1) | |
| rs.EnableRedraw(True) | |
| result = rs.GetString("Looks good?", "Yes", ("Yes", "No")) | |
| if result is None: | |
| rs.EnableRedraw(False) | |
| for obj in preview: rs.DeleteObject(obj) | |
| rs.EnableRedraw(True) | |
| break | |
| result = result.upper() | |
| if result=="YES": | |
| group_map = [] | |
| for obj in preview: | |
| obj = rs.coercerhinoobject(obj) | |
| RhinoUpdateObjectGroups(obj, group_map) | |
| break | |
| elif result=="NO": | |
| rs.EnableRedraw(False) | |
| for obj in preview: rs.DeleteObject(obj) | |
| rs.EnableRedraw(True) | |
| # you can optionally return a value from this function | |
| # to signify command result. Return values that make | |
| # sense are | |
| # 0 == success | |
| # 1 == cancel | |
| # If this function does not return a value, success is assumed | |
| return 0 | |
| RunCommand(True) |
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| import rhinoscriptsyntax as rs | |
| import Rhino.Geometry as rg | |
| import Rhino | |
| from Rhino.Commands import * | |
| from scriptcontext import doc | |
| # Script written by Alessio Erioli | |
| __commandname__ = "OrientHandle" | |
| def ptsFromPolyline(poly=None): | |
| if poly==None: return | |
| pts = rs.PolylineVertices(poly) | |
| if len(pts) != 3: | |
| return | |
| newPts = [] | |
| newPts.append(pts[1]) | |
| newPts.append(pts[0]) | |
| newPts.append(pts[2]) | |
| return newPts | |
| def planeFromPts(pts=None): | |
| if pts==None: return | |
| plane = rs.PlaneFromPoints(pts[1],pts[0],pts[2]) | |
| return plane | |
| def RhinoUpdateObjectGroups(obj, group_map): | |
| if obj == None: return | |
| attrib_group_count = obj.Attributes.GroupCount | |
| if attrib_group_count == 0: return | |
| doc = obj.Document | |
| if doc == None: return | |
| groups = doc.Groups | |
| group_count = groups.Count | |
| if group_count == 0: return | |
| if group_map.Count == 0: | |
| for i in range(0, group_count): | |
| group_map.append(-1) | |
| attributes = obj.Attributes | |
| group_list = attributes.GetGroupList() | |
| if group_list == None: return | |
| attrib_group_count = group_list.Length | |
| for i in range(0, attrib_group_count): | |
| old_group_index = group_list[i] | |
| new_group_index = group_map[old_group_index] | |
| if new_group_index == -1: | |
| new_group_index = doc.Groups.Add() | |
| group_map[old_group_index] = new_group_index | |
| group_list[i] = new_group_index | |
| attributes.RemoveFromAllGroups() | |
| for i in range(0, attrib_group_count): | |
| attributes.AddToGroup(group_list[i]) | |
| obj.CommitChanges() | |
| # RunCommand is the called when the user enters the command name in Rhino. | |
| # The command name is defined by the filname minus "_cmd.py" | |
| def RunCommand( is_interactive ): | |
| # get input objects | |
| objs = rs.GetObjects("Select object(s) to orient") | |
| if (objs is None): | |
| return 1 | |
| # select source handle | |
| source = rs.GetObject("Select sender handle (L polyline)", rs.filter.curve) | |
| if(source is None): | |
| return 1 | |
| sPoly = rs.coercecurve(source) | |
| # select destination handle | |
| receiver = rs.GetObject("Select receiver handle (L polyline)", rs.filter.curve) | |
| if (receiver is None): | |
| return 1 | |
| rPoly = rs.coercecurve(receiver) | |
| if not(rs.IsPolyline(sPoly) & rs.IsPolyline(rPoly)): return 1 | |
| preview = [] | |
| while True: | |
| # input rotation angle | |
| rotation = rs.GetReal("Rotation angle (degrees)",0,-360,360) | |
| if rotation is None: break | |
| rs.EnableRedraw(False) | |
| # precalculate points, planes and transformation | |
| sPts = ptsFromPolyline(sPoly) | |
| rPts = ptsFromPolyline(rPoly) | |
| sPlane = planeFromPts(sPts) | |
| rPlane = planeFromPts(rPts) | |
| origin = rPts[0] | |
| #rPts = rs.RotateObjects(rPts, origin,180,rPlane.YAxis) | |
| rPts1 = rs.RotateObjects(rPts, origin,rotation,rPlane.ZAxis) | |
| for obj in objs: | |
| preview.append(rs.OrientObject(obj,sPts,rPts1,1)) | |
| rs.DeleteObjects(rPts1) | |
| rs.EnableRedraw(True) | |
| result = rs.GetString("Looks good?", "Yes", ("Yes", "No")) | |
| if result is None: | |
| rs.EnableRedraw(False) | |
| for obj in preview: rs.DeleteObject(obj) | |
| rs.EnableRedraw(True) | |
| break | |
| result = result.upper() | |
| if result=="YES": | |
| group_map = [] | |
| for obj in preview: | |
| obj = rs.coercerhinoobject(obj) | |
| RhinoUpdateObjectGroups(obj, group_map) | |
| break | |
| elif result=="NO": | |
| rs.EnableRedraw(False) | |
| for obj in preview: rs.DeleteObject(obj) | |
| rs.EnableRedraw(True) | |
| # you can optionally return a value from this function | |
| # to signify command result. Return values that make | |
| # sense are | |
| # 0 == success | |
| # 1 == cancel | |
| # If this function does not return a value, success is assumed | |
| return 0 | |
| RunCommand(True) |
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