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def getlayers(self,name=None): dic={} for layer in self.layers(mode="all"): dic[layer]=[] for obj in self.childrens(): if obj.GetLayerObject(doc)[c4d.ID_BASELIST_NAME]==layer: dic[layer].append(obj) continue if name is None: return dic return dic[name]构建墙体轮廓识别到CAD的图层信息,根据读取到的墙体轮廓信息,创建C4D的挤压生成器,生成墙体和踢脚线。 def createWall(self,up=None): connect_wall=c4d.BaseObject(1011010) connect_wall[c4d.CONNECTOBJECT_WELD]=0 connect_wall[c4d.CONNECTOBJECT_PHONG_MODE]=3 if up is None: self.doc.InsertObject(connect_wall) else: self.doc.InsertObject(connect_wall,up) #踢脚线 extruding_foot=c4d.BaseObject(5116) extruding_foot[c4d.EXTRUDEOBJECT_EXTRUSIONOFFSET]=self.WALLFOOT extruding_foot[c4d.ID_BASELIST_NAME]=self.WALLNAME extruding_foot[c4d.ID_BASEOBJECT_ROTATION_ORDER]=5 extruding_foot[c4d.ID_BASEOBJECT_REL_ROTATION,c4d.VECTOR_X]=c4d.utils.DegToRad(-90) extruding_foot[c4d.ID_BASEOBJECT_REL_POSITION,c4d.VECTOR_Y]=0 extruding_foot[c4d.CAPSANDBEVELS_CAP_ENABLE_START]=1 extruding_foot[c4d.CAPSANDBEVELS_CAP_ENABLE_END]=0 doc.InsertObject(extruding_foot,parent=connect_wall) #踢脚线上材质 wallfootmtl=self.doc.SearchMaterial("黑色氟碳漆") self.setMaterial(extruding_foot,wallfootmtl,pro=3,tile=1,seaml=1,log="") #墙体 extruding_up=c4d.BaseObject(5116) extruding_up[c4d.EXTRUDEOBJECT_EXTRUSIONOFFSET]=self.STORYHEIGHT - self.WALLFOOT extruding_up[c4d.ID_BASELIST_NAME]=self.WALLNAME extruding_up[c4d.ID_BASEOBJECT_ROTATION_ORDER]=5 extruding_up[c4d.ID_BASEOBJECT_REL_ROTATION,c4d.VECTOR_X]=c4d.utils.DegToRad(-90) extruding_up[c4d.ID_BASEOBJECT_REL_POSITION,c4d.VECTOR_Y]=self.WALLFOOT extruding_up[c4d.CAPSANDBEVELS_CAP_ENABLE_START]=0 extruding_up[c4d.CAPSANDBEVELS_CAP_ENABLE_END]=1 doc.InsertObject(extruding_up,parent=connect_wall) #墙面上材质 mtl=self.doc.SearchMaterial("墙面木纹") self.setMaterial(extruding_up,mtl,pro=3,tile=1,seaml=1,log="") #墙体轮廓线条 connect_up=c4d.BaseObject(1011010) connect_up[c4d.CONNECTOBJECT_WELD]=0 connect_up[c4d.CONNECTOBJECT_PHONG_MODE]=3 connect_up[c4d.ID_BASELIST_NAME]=self.WALLSPLINENAME doc.InsertObject(connect_up,parent=extruding_up) #踢脚线轮廓线条 connect_foot=c4d.BaseObject(1011010) connect_foot[c4d.CONNECTOBJECT_WELD]=0 connect_foot[c4d.CONNECTOBJECT_PHONG_MODE]=3 connect_foot[c4d.ID_BASELIST_NAME]=self.WALLSPLINENAME doc.InsertObject(connect_foot,parent=extruding_foot) for spline in self.layersdic["wall"]: newsp_foot=spline.GetClone() newsp_foot=self.changeSpline(newsp_foot) newsp_foot[c4d.ID_LAYER_LINK]=doc.GetLayerObjectRoot().GetDown() self.doc.InsertObject(newsp_foot,parent=connect_foot) for spline in self.layersdic["wall"]: newsp_up=spline.GetClone() newsp_up=self.changeSpline(newsp_up) newsp_up[c4d.ID_LAYER_LINK]=doc.GetLayerObjectRoot().GetDown() self.doc.InsertObject(newsp_up,parent=connect_up) c4d.EventAdd() return connect_wall创建窗洞创建一个窗户大小的方块,用于墙体布尔。使用C4D的布尔工具,对墙体模型挖洞。 创建门洞创建一个门大小的方块,用于墙体布尔。使用C4D的布尔工具,对墙体模型挖洞。def subtractWindow(self):extruding=c4d.BaseObject(5116)extruding[c4d.EXTRUDEOBJECT_EXTRUSIONOFFSET]=self.WINDOWUP-self.WINDOWDOWNextruding[c4d.ID_BASELIST_NAME]=self.WINDOWNAMEextruding[c4d.ID_BASEOBJECT_ROTATION_ORDER]=5extruding[c4d.ID_BASEOBJECT_REL_POSITION,c4d.VECTOR_Y]=self.WINDOWDOWNextruding[c4d.ID_BASEOBJECT_REL_ROTATION,c4d.VECTOR_X]=c4d.utils.DegToRad(-90)return extruding
装配门根据CAD的图层和图块信息,将准备好的模型配置到对应位置。def subtractDoor(self):extruding=c4d.BaseObject(5116)extruding[c4d.EXTRUDEOBJECT_EXTRUSIONOFFSET]=self.DOORHEIGHTextruding[c4d.ID_BASELIST_NAME]=self.DOORNAMEextruding[c4d.ID_BASEOBJECT_ROTATION_ORDER]=5extruding[c4d.ID_BASEOBJECT_REL_ROTATION,c4d.VECTOR_X]=c4d.utils.DegToRad(-90)return extruding
装配窗户将窗户模型匹配到窗洞位置和旋转角度,并根据窗洞的尺寸自动生成匹配宽度。def setDoors(self,hardData):harddata=hardData.GetChildren()for obj in harddata:for layername,splines in self.layersdic.items():if obj[c4d.ID_BASELIST_NAME]==layername and "door" in layername:for spline in splines:#获得图形坐标轮廓尺寸pos=spline.GetAbsPos()lenth_vec,angle_vec=self.getSplineAngle(spline)newobj=obj.GetClone()newobj=self.stretchModel(newobj,lenth_vec,self.DOORHEIGHT,self.DEFAULT_DOORSIZE)newobj.SetAbsPos(c4d.Vector(pos.x,0,pos.y))newobj.SetAbsRot(angle_vec)self.doc.InsertObject(newobj)c4d.EventAdd()return True
def setWindows(self,hardData): harddata=hardData.GetChildren() for obj in harddata: for layername,splines in self.layersdic.items(): if obj[c4d.ID_BASELIST_NAME]==layername and "window" in layername: for spline in splines: lenth_vec,angle_vec=self.getSplineAngle(spline) pos=spline.GetAbsPos() if lenth_vec>300: n=int(lenth_vec/self.DEFAULT_WINDOWSIZE["window"][0]) w=lenth_vec/n connect=c4d.BaseObject(1011010) connect[c4d.CONNECTOBJECT_WELD]=0 connect[c4d.CONNECTOBJECT_PHONG_MODE]=3 connect[c4d.ID_BASELIST_NAME]=self.WINDOWMERGE doc.InsertObject(connect) newobj=self.confitWindows(obj,n,w,connect) #print(newobj) else: newobj=obj.GetClone() newobj=self.stretchModel(newobj,lenth_vec,self.DOORHEIGHT,self.DEFAULT_WINDOWSIZE) self.doc.InsertObject(newobj) newobj.SetAbsPos(c4d.Vector(pos.x,self.WINDOWDOWN,pos.y)) newobj.SetAbsRot(angle_vec) #self.GeRayCollider(cpolygon,newobj) c4d.EventAdd() return True装配家具根据读取到的CAD图层和图块信息,将制作好的C4D家具模型复制并摆放到对应的CAD图块位置。 创建灯光在每个房间创建灯光,照亮房间。#装配单个可拉伸家具def deformatFurniture(self,furname,hardData):harddata=hardData.GetChildren()for obj in harddata:if obj[c4d.ID_BASELIST_NAME]==furname:for spline in self.layersdic[furname]:lenth_vec,angle_vec=self.getSplineAngle(spline)#size=spline.GetRad()pos=spline.GetAbsPos()newobj=obj.GetClone()newobj=self.stretchModel(newobj,lenth_vec,self.DEFAULT_FURNITURE[furname][1],self.DEFAULT_FURNITURE)newobj.SetAbsPos(c4d.Vector(pos.x,0,pos.y))angle_vec.x=-angle_vec.xnewobj.SetAbsRot(angle_vec)self.doc.InsertObject(newobj)c4d.EventAdd()return True#装配场景中的可拉伸家具def setDeformFurn(self,hardData):names=list(self.DEFAULT_FURNITURE.keys())for name in names:self.deformatFurniture(name,hardData)return True
创建相机位置在每个房间创建一个摄像机,用于渲染全景。def CreateLight(self,pos,size):obj=c4d.BaseObject(5102)obj[c4d.LIGHT_TYPE]=8obj[c4d.ID_BASEOBJECT_REL_POSITION]=c4d.Vector(pos.x,self.LIGHTHEIGHT,pos.y)obj.SetRotationOrder(c4d.ROTATIONORDER_XYZGLOBAL)obj[c4d.ID_BASEOBJECT_REL_ROTATION]=c4d.Vector(-1.571, 0, 0)obj[c4d.LIGHT_AREADETAILS_SIZEX]=size.x*self.SCALEobj[c4d.LIGHT_AREADETAILS_SIZEY]=size.y*self.SCALEtarTag1=c4d.BaseTag(1029526)tarTag1[c4d.LIGHTTAG_POWER]=0.3tarTag1[c4d.OCT_LIGHTTAG_TYPE_SELECT]=1tarTag1[c4d.LIGHTTAG_KEEP_INSTANCE_POWER]=1tarTag1[c4d.LIGHTTAG_VISIBLE_ON_SPECULAR]=0tarTag1[c4d.LIGHTTAG_VIS_CAM]=0tarTag1[c4d.LIGHTTAG_VIS_SHADOW]=0tarTag1[c4d.LIGHTTAG_VIS_GEN]=0obj.InsertTag(tarTag1)doc.InsertObject(obj)c4d.EventAdd()return obj
现在得益于ChatGPT等AI工具编写代码功能加持,通过python实现根据CAD文件搭建C4D场景,更加方便地为工作中的重复性高的内容编写脚本工具。 3D设计 陈明 逆水行舟 不进则退#设置全景相机位置def setCamera(self,pos):campos=c4d.Vector(pos.x,self.POSY,pos.y)camobj=c4d.BaseObject(5103)#camsuTag=c4d.BaseObject(5678)camTag=c4d.BaseTag(1029524)camTag[1439]=1camTag[c4d.OCTANECAMERA_ENABLE_IMAGER]=1camTag[c4d.OCT_CAMIMAGER_EN_DENOISER]=1camTag[c4d.OCTANECAMERA_EXPOSURE]=4.0camTag[c4d.OCTANECAMERA_HCOMPRESSION]=1.0camTag[c4d.OCT_CAMERA_IMAGER_ORDER]=1camTag[c4d.OCTANECAMERA_RESPONSE]=5221camTag[c4d.OCTANECAMERA_NAT_RESPONSE]=1camTag[c4d.OCTANECAMERA_GAMMA]=4.0camobj[c4d.CAMERAOBJECT_SHOW]=0camobj.InsertTag(camTag)camobj.SetRelPos(campos)doc.InsertObject(camobj)c4d.EventAdd()return camobj
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