Esempio n. 1
0
        /// <summary>
        /// This is the method that actually does the work.
        /// </summary>
        /// <param name="DA">The DA object can be used to retrieve data from input parameters and
        /// to store data in output parameters.</param>
        protected override void SolveInstance(IGH_DataAccess DA)
        {
            DMesh3_goo goo = null;
            DMesh3_goo cut = null;
            bool       cap = false;

            DA.GetData(0, ref goo);
            DA.GetData(1, ref cut);
            DA.GetData(2, ref cap);

            DMesh3 ms = new DMesh3(goo.Value);

            g3.MeshMeshCut cutter = new g3.MeshMeshCut();

            cutter.Target  = new DMesh3(goo.Value);
            cutter.CutMesh = new DMesh3(cut.Value);

            cutter.Compute();

            if (cap)
            {
                cutter.RemoveContained();
            }

            DA.SetData(0, cutter.CutMesh);
        }
Esempio n. 2
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        void split_missing(MeshMeshCut fromOp, MeshMeshCut toOp,
                           DMesh3 fromMesh, DMesh3 toMesh,
                           HashSet <int> fromVerts, HashSet <int> toVerts)
        {
            List <int> missing = new List <int>();

            foreach (int vid in fromVerts)
            {
                Vector3d v        = fromMesh.GetVertex(vid);
                int      near_vid = find_nearest_vertex(toMesh, v, toVerts);
                if (near_vid == DMesh3.InvalidID)
                {
                    missing.Add(vid);
                }
            }

            foreach (int vid in missing)
            {
                Vector3d v        = fromMesh.GetVertex(vid);
                int      near_eid = find_nearest_edge(toMesh, v, toVerts);
                if (near_eid == DMesh3.InvalidID)
                {
                    System.Console.WriteLine("could not find edge to split?");
                    continue;
                }

                DMesh3.EdgeSplitInfo splitInfo;
                MeshResult           result = toMesh.SplitEdge(near_eid, out splitInfo);
                if (result != MeshResult.Ok)
                {
                    System.Console.WriteLine("edge split failed");
                    continue;
                }

                toMesh.SetVertex(splitInfo.vNew, v);
                toVerts.Add(splitInfo.vNew);
            }
        }
Esempio n. 3
0
        public bool Compute()
        {
            // Alternate strategy:
            //   - don't do RemoveContained
            //   - match embedded vertices, split where possible
            //   - find min-cut path through shared edges
            //   - remove contiguous patches that are inside both/etc (use MWN)
            //   ** no good for coplanar regions...


            cutTargetOp = new MeshMeshCut()
            {
                Target        = new DMesh3(Target),
                CutMesh       = Tool,
                VertexSnapTol = VertexSnapTol
            };
            cutTargetOp.Compute();
            cutTargetOp.RemoveContained();
            cutTargetMesh = cutTargetOp.Target;

            cutToolOp = new MeshMeshCut()
            {
                Target        = new DMesh3(Tool),
                CutMesh       = Target,
                VertexSnapTol = VertexSnapTol
            };
            cutToolOp.Compute();
            cutToolOp.RemoveContained();
            cutToolMesh = cutToolOp.Target;

            resolve_vtx_pairs();

            Result = cutToolMesh;
            MeshEditor.Append(Result, cutTargetMesh);

            return(true);
        }
Esempio n. 4
0
        public bool Compute(boolOperation op = boolOperation.Union)
        {
            if (!Target.IsClosed())
            {
                Debug.WriteLine("Target mesh is not closed;");
            }
            if (!Tool.IsClosed())
            {
                Debug.WriteLine("Tool mesh is not closed;");
            }

            Util.gDevAssert(Target.IsClosed() && Tool.IsClosed());

            // Alternate strategy:
            //   - don't do RemoveContained
            //   - match embedded vertices, split where possible
            //   - find min-cut path through shared edges
            //   - remove contiguous patches that are inside both/etc (use MWN)
            //   ** no good for coplanar regions...

            cutTargetOp = new MeshMeshCut()
            {
                Target               = new DMesh3(Target),
                CutMesh              = Tool,
                VertexSnapTol        = VertexSnapTol,
                AttemptPlanarRemoval = AttemptPlanarRemoval
            };
            cutTargetOp.Compute();
            if (op == boolOperation.Union || op == boolOperation.Subtraction)
            {
                cutTargetOp.RemoveContained();
            }
            else if (op == boolOperation.Intersection)
            {
                cutTargetOp.RemoveExternal();
            }


            cutTargetMesh = cutTargetOp.Target;

            cutToolOp = new MeshMeshCut()
            {
                Target               = new DMesh3(Tool),
                CutMesh              = Target,
                VertexSnapTol        = VertexSnapTol,
                AttemptPlanarRemoval = AttemptPlanarRemoval
            };
            cutToolOp.Compute();
            if (op == boolOperation.Union || op == boolOperation.Intersection)
            {
                cutToolOp.RemoveContained();
            }
            else if (op == boolOperation.Subtraction)
            {
                cutToolOp.RemoveExternal();
            }

            cutToolMesh = cutToolOp.Target;

            resolve_vtx_pairs();

            Result = cutToolMesh;
            MeshEditor.Append(Result, cutTargetMesh);

            return(true);
        }