Source code for compas_rhino.utilities.objects


from __future__ import print_function
from __future__ import absolute_import
from __future__ import division

import json

import compas_rhino

import System
import Rhino
import rhinoscriptsyntax as rs
import scriptcontext as sc

find_object = sc.doc.Objects.Find

try:
    purge_object = sc.doc.Objects.Purge
except AttributeError:
    purge_object = None


__all__ = [
    'find_object',
    'get_objects',
    'get_object_layers',
    'get_object_types',
    'get_object_names',
    'get_object_name',
    'get_object_attributes',
    'get_object_attributes_from_name',
    'delete_object',
    'delete_objects',
    'purge_objects',
    'is_curve_line',
    'is_curve_polyline',
    'is_curve_polygon',
    'get_points',
    'get_curves',
    'get_lines',
    'get_polylines',
    'get_polygons',
    'get_point_coordinates',
    'get_line_coordinates',
    'get_polyline_coordinates',
    'get_polygon_coordinates',
    'get_meshes',
    'get_mesh_face_vertices',
    'get_mesh_vertex_coordinates',
    'get_mesh_vertex_colors',
    'set_mesh_vertex_colors',
    'get_mesh_vertices_and_faces',
    'get_mesh_vertex_index',
    'get_mesh_face_index',
    'get_mesh_edge_index',
    'select_object',
    'select_objects',
    'select_point',
    'select_points',
    'select_curve',
    'select_curves',
    'select_line',
    'select_lines',
    'select_polyline',
    'select_polylines',
    'select_polygon',
    'select_polygons',
    'select_surface',
    'select_surfaces',
    'select_mesh',
    'select_meshes',
]


# ==============================================================================
# Objects
# ==============================================================================

[docs]def get_objects(name=None, color=None, layer=None, type=None): """Get identifiers of Rhino objects, potentially filtered by name, color, layer, or type. Parameters ---------- name : str, optional color : tuple or list, optional RGB color components in integer format (0-255). layer : str, optional type : Rhino.DocObjects.ObjectType, optional The object type. Returns ------- list The GUIDs of the objects matching the filter parameters. Examples -------- .. code-block:: python import compas_rhino guids_all = compas_rhino.get_objects() guids_compas = compas_rhino.get_objects(name='COMPAS.*') guids_red = compas_rhino.get_objects(color=(255, 0, 0)) guids_points = compas_rhino.get_objects(type=compas_rhino.rs.filter.point) guids_redpoints = compas_rhino.get_objects(color=(255, 0, 0), type=compas_rhino.rs.filter.point) .. code-block:: python guids_all = set(compas_rhino.get_objects()) guids_compas = set(compas_rhino.get_objects(name='COMPAS.*')) guids_red = set(compas_rhino.get_objects(color=(255, 0, 0))) guids_points = set(compas_rhino.get_objects(type=compas_rhino.rs.filter.point)) guids_redpoints = set(compas_rhino.get_objects(color=(255, 0, 0), type=compas_rhino.rs.filter.point)) print guids_compas.issubset(guids_all) print guids_all.issubset(guids_compas) # True, False print guids_red.issubset(guids_all) print guids_points.issubset(guids_all) print guids_redpoints.issubset(guids_all) # True, True, True print guids_redpoints.issubset(guids_points) print guids_redpoints.issubset(guids_red) print guids_points.issubset(guids_red) # True, True, False """ guids = rs.AllObjects() if name: guids = list(set(guids) & set(rs.ObjectsByName(name))) if color: guids = list(set(guids) & set(rs.ObjectsByColor(color))) if layer: guids = list(set(guids) & set(rs.ObjectsByLayer(layer))) if type: guids = list(set(guids) & set(rs.ObjectsByType(type))) return guids
[docs]def delete_object(guid, purge=None): """Delete Rhino object. Parameters ---------- guid : GUID purge : None or bool, optional If None, the value of the global purge setting (:obj:`compas_rhino.PURGE_ON_DELETE`) will be used. If True, purge the object from history after deleting. If False, delete but don't purge. Default is None. """ if purge is None: purge = compas_rhino.PURGE_ON_DELETE if purge and purge_object: purge_objects([guid]) else: delete_objects([guid], purge)
[docs]def delete_objects(guids, purge=None): """Delete multiple Rhino objects. Parameters ---------- guids : list of GUID purge : None or bool, optional If None, the value of the global purge setting (:obj:`compas_rhino.PURGE_ON_DELETE`) will be used. If True, purge the objects from history after deleting. If False, delete but don't purge. Default is None. """ if purge is None: purge = compas_rhino.PURGE_ON_DELETE if purge and purge_object: purge_objects(guids) else: rs.EnableRedraw(False) for guid in guids: if rs.IsObjectHidden(guid): rs.ShowObject(guid) rs.DeleteObjects(guids) rs.EnableRedraw(True) sc.doc.Views.Redraw()
[docs]def purge_objects(guids): """Purge objects from memory. Parameters ---------- guids : list of GUID """ if not purge_object: raise RuntimeError('Cannot purge outside Rhino script context') rs.EnableRedraw(False) for guid in guids: if rs.IsObject(guid): if rs.IsObjectHidden(guid): rs.ShowObject(guid) o = find_object(guid) purge_object(o.RuntimeSerialNumber) rs.EnableRedraw(True) sc.doc.Views.Redraw()
[docs]def get_object_layers(guids): """Get the layer names of multiple objects. Parameters ---------- guids : list of GUID Returns ------- """ return [rs.ObjectLayer(guid) for guid in guids]
[docs]def get_object_types(guids): return [rs.ObjectType(guid) for guid in guids]
[docs]def get_object_names(guids): return [rs.ObjectName(guid) for guid in guids]
[docs]def get_object_name(guid): return rs.ObjectName(guid)
[docs]def get_object_attributes(guids): """Get attributes from object user dictionaries. Parameters ---------- guids : list of GUID Returns ------- list of dict """ attrs = [] for guid in guids: o = find_object(guid) u = o.Attributes.UserDictionary a = {} if u.Count: for key in u.Keys: a[key] = u.Item[key] attrs.append(a) return attrs
[docs]def get_object_attributes_from_name(guids, prefix=None): """Get attributes from JSON parsable object names. Parameters ---------- guids : list of GUID prefix : str, optional A prefix that should be removed before the name is JSON parsable. For example, in Rhino 6 and above, names can't start with curly braces ("{"). To make the string representation of a dict a valid name it has to be prefixed with something like "COMPAS_". Results ------- list of dict The attribute dicts of the objects. """ load = json.loads attrs = [] for name in get_object_names(guids): try: if prefix: name = name.lstrip(prefix) attr = load(name) except (ValueError, TypeError): attr = {} attrs.append(attr) return attrs
def select_object(message="Select an object."): """Select one object in the Rhino view. Parameters ---------- message : str, optional Default is "Select an object.". Returns ------- GUID The identifer of the selected object. """ return rs.GetObject(message) def select_objects(message='Select multiple objects.'): """Select multiple objects in the Rhino view. Parameters ---------- message : str, optional Default is "Select objects.". Returns ------- list of GUID The identifers of the selected objects. """ guids = [] temp = rs.GetObjects(message) if temp: return temp return guids # ============================================================================== # Points # ==============================================================================
[docs]def select_point(message='Select one point.'): """Select one point in the Rhino view. Parameters ---------- message : str, optional Default is "Select an point.". Returns ------- GUID The identifer of the selected point. """ return rs.GetObject(message, preselect=True, select=True, group=False, filter=rs.filter.point)
[docs]def select_points(message='Select multiple points.'): """Select multiple points in the Rhino view. Parameters ---------- message : str, optional Default is "Select points.". Returns ------- list of GUID The identifers of the selected points. """ guids = [] temp = rs.GetObjects(message, preselect=True, select=True, group=False, filter=rs.filter.point) if temp: guids = temp return guids
def get_points(layer=None): if layer: rs.EnableRedraw(False) # Argument names for LayerVisible command are not the same for Rhino5 and Rhino6 # that is why we use positional instead of named arguments visible = rs.LayerVisible(layer, True, True) guids = rs.ObjectsByType(rs.filter.point) guids = list(set(guids) & set(rs.ObjectsByLayer(layer))) rs.LayerVisible(layer, visible, True) rs.EnableRedraw(True) else: guids = rs.ObjectsByType(rs.filter.point) return guids
[docs]def get_point_coordinates(guids): """Get the coordintes of the locations of point objects. Parameters ---------- guids : list of GUID Returns ------- list of point The location coordinates of the points. """ points = [] for guid in guids: point = rs.PointCoordinates(guid) if point: points.append(map(float, point)) return points
# ============================================================================== # Curves # ============================================================================== def is_curve_line(guid): return rs.IsCurve(guid) and rs.IsLine(guid) and rs.CurveDegree(guid) == 1 and len(rs.CurvePoints(guid)) == 2 def is_curve_polyline(guid): return rs.IsCurve(guid) and rs.IsPolyline(guid) and rs.CurveDegree(guid) == 1 and len(rs.CurvePoints(guid)) > 2 def is_curve_polygon(guid): return rs.IsCurve(guid) and rs.IsCurveClosed(guid) and rs.CurveDegree(guid) == 1 and len(rs.CurvePoints(guid)) > 2
[docs]def select_curve(message='Select one curve.'): """Select one curve in the Rhino view. Parameters ---------- message : str, optional Default is "Select an line.". Returns ------- GUID The identifer of the selected curve. """ return rs.GetObject(message, preselect=True, select=True, group=False, filter=rs.filter.curve)
[docs]def select_curves(message='Select multiple curves.'): """Select multiple curves in the Rhino view. Parameters ---------- message : str, optional Default is "Select an line.". Returns ------- list of GUID The identifers of the selected curves. """ guids = [] temp = rs.GetObjects(message, filter=rs.filter.curve) if temp: guids = temp return guids
[docs]def select_line(message='Select line.'): """Select one line in the Rhino view. Parameters ---------- message : str, optional Default is "Select an line.". Returns ------- GUID The identifer of the selected line. """ guid = rs.GetObject(message, preselect=True, select=True, group=False, filter=rs.filter.curve) if is_curve_line(guid): return guid return None
[docs]def select_lines(message='Select multiple lines.'): """Select multiple lines in the Rhino view. Parameters ---------- message : str, optional Default is "Select lines.". Returns ------- list of GUID The identifers of the selected lines. """ guids = [] temp = rs.GetObjects(message, preselect=True, select=True, group=False, filter=rs.filter.curve) if temp: for guid in temp: if is_curve_line(guid): guids.append(guid) return guids
[docs]def select_polyline(message='Select one polyline (curve with degree = 1, and multiple segments).'): """Select one polyline in the Rhino view. Parameters ---------- message : str, optional Default is "Select an polyline.". Returns ------- GUID The identifer of the selected polyline. """ guid = rs.GetObject(message, filter=rs.filter.curve) if is_curve_polyline(guid): return guid return None
[docs]def select_polylines(message='Select multiple polylines (curves with degree = 1, and multiple segments).'): """Select multiple polylines in the Rhino view. Parameters ---------- message : str, optional Default is "Select polylines.". Returns ------- list of GUID The identifers of the selected polylines. """ guids = [] temp = rs.GetObjects(message, preselect=True, select=True, group=False, filter=rs.filter.curve) if temp: for guid in temp: if is_curve_polyline(guid): guids.append(guid) return guids
[docs]def select_polygon(message='Select one polygon (closed curve with degree = 1)'): """Select one polygon in the Rhino view. Parameters ---------- message : str, optional Default is "Select an polygon.". Returns ------- GUID The identifer of the selected polygon. """ guid = rs.GetObject(message, preselect=True, select=True, group=False, filter=rs.filter.curve) if is_curve_polygon(guid): return guid return None
[docs]def select_polygons(message='Select multiple polygons (closed curves with degree = 1)'): """Select multiple polygons in the Rhino view. Parameters ---------- message : str, optional Default is "Select polygons.". Returns ------- list of GUID The identifers of the selected polygons. """ guids = [] temp = rs.GetObjects(message, preselect=True, select=True, group=False, filter=rs.filter.curve) if temp: for guid in temp: if is_curve_polygon(guid): guids.append(guid) return guids
def get_curves(layer=None): if layer: rs.EnableRedraw(False) # Argument names for LayerVisible command are not the same for Rhino5 and Rhino6 # that is why we use positional instead of named arguments visible = rs.LayerVisible(layer, True, True) guids = rs.ObjectsByType(rs.filter.curve) guids = list(set(guids) & set(rs.ObjectsByLayer(layer))) rs.LayerVisible(layer, visible, True) rs.EnableRedraw(True) else: guids = rs.ObjectsByType(rs.filter.curve) return guids def get_lines(layer=None): if layer: rs.EnableRedraw(False) # Argument names for LayerVisible command are not the same for Rhino5 and Rhino6 # that is why we use positional instead of named arguments visible = rs.LayerVisible(layer, True, True) guids = rs.ObjectsByType(rs.filter.curve) guids = [guid for guid in guids if is_curve_line(guid)] guids = list(set(guids) & set(rs.ObjectsByLayer(layer))) rs.LayerVisible(layer, visible, True) rs.EnableRedraw(True) else: guids = rs.ObjectsByType(rs.filter.curve) guids = [guid for guid in guids if is_curve_line(guid)] return guids def get_polylines(layer=None): if layer: rs.EnableRedraw(False) # Argument names for LayerVisible command are not the same for Rhino5 and Rhino6 # that is why we use positional instead of named arguments visible = rs.LayerVisible(layer, True, True) guids = rs.ObjectsByType(rs.filter.curve) guids = [guid for guid in guids if is_curve_polyline(guid)] guids = list(set(guids) & set(rs.ObjectsByLayer(layer))) rs.LayerVisible(layer, visible, True) rs.EnableRedraw(True) else: guids = rs.ObjectsByType(rs.filter.curve) guids = [guid for guid in guids if is_curve_polyline(guid)] return guids def get_polygons(layer=None): if layer: rs.EnableRedraw(False) # Argument names for LayerVisible command are not the same for Rhino5 and Rhino6 # that is why we use positional instead of named arguments visible = rs.LayerVisible(layer, True, True) guids = rs.ObjectsByType(rs.filter.curve) guids = [guid for guid in guids if is_curve_polygon(guid)] guids = list(set(guids) & set(rs.ObjectsByLayer(layer))) rs.LayerVisible(layer, visible, True) rs.EnableRedraw(True) else: guids = rs.ObjectsByType(rs.filter.curve) guids = [guid for guid in guids if is_curve_polygon(guid)] return guids def get_curve_coordinates(): pass
[docs]def get_line_coordinates(guids): if isinstance(guids, System.Guid): sp = map(float, rs.CurveStartPoint(guids)) ep = map(float, rs.CurveEndPoint(guids)) return sp, ep lines = [] for guid in guids: sp = map(float, rs.CurveStartPoint(guid)) ep = map(float, rs.CurveEndPoint(guid)) lines.append((sp, ep)) return lines
def get_polycurve_coordinates(): pass
[docs]def get_polyline_coordinates(guids): if isinstance(guids, System.Guid): points = rs.PolylineVertices(guids) coords = [] if points: coords = [map(float, point) for point in points] return coords polylines = [] for guid in guids: points = rs.PolylineVertices(guid) coords = [] if points: coords = [map(float, point) for point in points] polylines.append(coords) return polylines
[docs]def get_polygon_coordinates(guids): if isinstance(guids, System.Guid): points = rs.CurvePoints(guids) coords = [] if points: coords = [list(point) for point in points] return coords polygons = [] if guids: for guid in guids: points = rs.CurvePoints(guid) coords = [] if points: coords = map(list, points) polygons.append(coords) return polygons
# ============================================================================== # Surfaces # ==============================================================================
[docs]def select_surface(message='Select one surface.'): """Select one surface in the Rhino view. Parameters ---------- message : str, optional Default is "Select an surface.". Returns ------- GUID The identifer of the selected surface. """ return rs.GetObject( message, filter=rs.filter.surface | rs.filter.polysurface )
[docs]def select_surfaces(message='Select multiple surfaces.'): """Select multiple surfaces in the Rhino view. Parameters ---------- message : str, optional Default is "Select surfaces.". Returns ------- list of GUID The identifers of the selected surfaces. """ guids = [] temp = rs.GetObjects(message, filter=rs.filter.surface | rs.filter.polysurface) if temp: guids = temp return guids
# ============================================================================== # Meshes # ==============================================================================
[docs]def select_mesh(message='Select one mesh.'): """Select one mesh in the Rhino view. Parameters ---------- message : str, optional Default is "Select an mesh.". Returns ------- GUID The identifer of the selected mesh. """ return rs.GetObject( message, filter=rs.filter.mesh )
[docs]def select_meshes(message='Select multiple meshes.'): """Select multiple meshes in the Rhino view. Parameters ---------- message : str, optional Default is "Select meshs.". Returns ------- list of GUID The identifers of the selected meshs. """ guids = [] temp = rs.GetObjects(message, filter=rs.filter.mesh) if temp: guids = temp return guids
def get_meshes(layer=None): if layer: rs.EnableRedraw(False) # Argument names for LayerVisible command are not the same for Rhino5 and Rhino6 # that is why we use positional instead of named arguments visible = rs.LayerVisible(layer, True, True) guids = rs.ObjectsByType(rs.filter.mesh) guids = list(set(guids) & set(rs.ObjectsByLayer(layer))) rs.LayerVisible(layer, visible, True) rs.EnableRedraw(True) else: guids = rs.ObjectsByType(rs.filter.mesh) return guids def get_mesh_border(guid): return rs.DuplicateMeshBorder(guid) def get_mesh_face_vertices(guid): faces = [] if guid: temp = rs.MeshFaceVertices(guid) faces = map(list, temp) return faces def get_mesh_vertex_coordinates(guid): vertices = [] if guid: vertices = [map(float, vertex) for vertex in rs.MeshVertices(guid)] return vertices def get_mesh_vertex_colors(guid): colors = [] if guid: temp = rs.MeshVertexColors(guid) if temp: colors = map(list, temp) return colors def set_mesh_vertex_colors(guid, colors): if not guid: return return rs.MeshVertexColors(guid, colors) def get_mesh_vertices_and_faces(guid): if not guid: return vertices = [map(float, vertex) for vertex in rs.MeshVertices(guid)] faces = map(list, rs.MeshFaceVertices(guid)) return vertices, faces def get_mesh_vertex_index(guid): class CustomGetObject(Rhino.Input.Custom.GetObject): def CustomGeometryFilter(self, rhino_object, geometry, component_index): return guid == rhino_object.Id go = CustomGetObject() go.SetCommandPrompt('Select one vertex of the mesh.') go.GeometryFilter = Rhino.DocObjects.ObjectType.MeshVertex go.AcceptNothing(True) if go.Get() != Rhino.Input.GetResult.Object: return None objref = go.Object(0) if not objref: return None tvindex = objref.GeometryComponentIndex.Index mobj = sc.doc.Objects.Find(guid) mgeo = mobj.Geometry temp = mgeo.TopologyVertices.MeshVertexIndices(tvindex) vindex = temp[0] go.Dispose() return vindex def get_mesh_face_index(guid): class CustomGetObject(Rhino.Input.Custom.GetObject): def CustomGeometryFilter(self, rhino_object, geometry, component_index): return guid == rhino_object.Id go = CustomGetObject() go.SetCommandPrompt('Select one face of the mesh.') go.GeometryFilter = Rhino.DocObjects.ObjectType.MeshFace go.AcceptNothing(True) if go.Get() != Rhino.Input.GetResult.Object: return None objref = go.Object(0) if not objref: return None findex = objref.GeometryComponentIndex.Index go.Dispose() return findex def get_mesh_edge_index(guid): class CustomGetObject(Rhino.Input.Custom.GetObject): def CustomGeometryFilter(self, rhino_object, geometry, component_index): return guid == rhino_object.Id go = CustomGetObject() go.SetCommandPrompt('Select an edge of the mesh.') go.GeometryFilter = Rhino.DocObjects.ObjectType.MeshEdge go.AcceptNothing(True) if go.Get() != Rhino.Input.GetResult.Object: return None objref = go.Object(0) if not objref: return None eindex = objref.GeometryComponentIndex.Index go.Dispose() return eindex def get_mesh_vertex_indices(guid): tvindices = rs.GetMeshVertices(guid, 'Select mesh vertices.') if not tvindices: return mobj = sc.doc.Objects.Find(guid) mgeo = mobj.Geometry vindices = [] for tvindex in tvindices: temp = mgeo.TopologyVertices.MeshVertexIndices(tvindex) vindices.append(temp[0]) return vindices def get_mesh_face_indices(guid): return rs.GetMeshFaces(guid, 'Select mesh faces.') def get_mesh_vertex_face_indices(guid): vindex = get_mesh_vertex_index(guid) if vindex is None: return mobj = sc.doc.Objects.Find(guid) mgeo = mobj.Geometry findices = mgeo.TopologyVertices.ConnectedFaces(vindex) return findices def get_mesh_face_vertex_indices(guid): findex = get_mesh_face_index(guid) if findex is None: return mobj = sc.doc.Objects.Find(guid) mgeo = mobj.Geometry tvertices = mgeo.Faces.GetTopologicalVertices(findex) vindices = [] for tvertex in tvertices: temp = mgeo.TopologyVertices.MeshVertexIndices(tvertex) vindices.append(temp[0]) return vindices def get_mesh_edge_vertex_indices(guid): eindex = get_mesh_edge_index(guid) if eindex is None: return mobj = sc.doc.Objects.Find(guid) mgeo = mobj.Geometry temp = mgeo.TopologyEdges.GetTopologyVertices(eindex) tvindices = temp.I, temp.J vindices = [] for tvindex in tvindices: temp = mgeo.TopologyVertices.MeshVertexIndices(tvindex) vindices.append(temp[0]) return vindices # ============================================================================== # Main # ============================================================================== if __name__ == '__main__': pass