DisplayPipelineDrawMeshWires Method (Mesh, Color) |
Namespace: Rhino.Display
using Rhino; using Rhino.Commands; using Rhino.Display; using Rhino.Geometry; using Rhino.Input.Custom; using Rhino.DocObjects; using System.Drawing; namespace examples_cs { public class MeshDrawingCommand : Command { public override string EnglishName { get { return "csDrawMesh"; } } protected override Result RunCommand(RhinoDoc doc, RunMode mode) { var gs = new GetObject(); gs.SetCommandPrompt("select sphere"); gs.GeometryFilter = ObjectType.Surface; gs.DisablePreSelect(); gs.SubObjectSelect = false; gs.Get(); if (gs.CommandResult() != Result.Success) return gs.CommandResult(); Sphere sphere; gs.Object(0).Surface().TryGetSphere(out sphere); if (sphere.IsValid) { var mesh = Mesh.CreateFromSphere(sphere, 10, 10); if (mesh == null) return Result.Failure; var conduit = new DrawBlueMeshConduit(mesh) {Enabled = true}; doc.Views.Redraw(); var in_str = ""; Rhino.Input.RhinoGet.GetString("press <Enter> to continue", true, ref in_str); conduit.Enabled = false; doc.Views.Redraw(); return Result.Success; } else return Result.Failure; } } class DrawBlueMeshConduit : DisplayConduit { readonly Mesh m_mesh; readonly Color m_color; readonly DisplayMaterial m_material; readonly BoundingBox m_bbox; public DrawBlueMeshConduit(Mesh mesh) { // set up as much data as possible so we do the minimum amount of work possible inside // the actual display code m_mesh = mesh; m_color = System.Drawing.Color.Blue; m_material = new DisplayMaterial(); m_material.Diffuse = m_color; if (m_mesh != null && m_mesh.IsValid) m_bbox = m_mesh.GetBoundingBox(true); } // this is called every frame inside the drawing code so try to do as little as possible // in order to not degrade display speed. Don't create new objects if you don't have to as this // will incur an overhead on the heap and garbage collection. protected override void CalculateBoundingBox(CalculateBoundingBoxEventArgs e) { base.CalculateBoundingBox(e); // Since we are dynamically drawing geometry, we needed to override // CalculateBoundingBox. Otherwise, there is a good chance that our // dynamically drawing geometry would get clipped. // Union the mesh's bbox with the scene's bounding box e.IncludeBoundingBox(m_bbox); } protected override void PreDrawObjects(DrawEventArgs e) { base.PreDrawObjects(e); var vp = e.Display.Viewport; if (vp.DisplayMode.EnglishName.ToLower() == "wireframe") e.Display.DrawMeshWires(m_mesh, m_color); else e.Display.DrawMeshShaded(m_mesh, m_material); } } }
import rhinoscriptsyntax as rs from scriptcontext import doc import Rhino import System import System.Drawing def RunCommand(): gs = Rhino.Input.Custom.GetObject() gs.SetCommandPrompt("select sphere") gs.GeometryFilter = Rhino.DocObjects.ObjectType.Surface gs.DisablePreSelect() gs.SubObjectSelect = False gs.Get() if gs.CommandResult() != Rhino.Commands.Result.Success: return gs.CommandResult() b, sphere = gs.Object(0).Surface().TryGetSphere() if sphere.IsValid: mesh = Rhino.Geometry.Mesh.CreateFromSphere(sphere, 10, 10) if mesh == None: return Rhino.Commands.Result.Failure conduit = DrawBlueMeshConduit(mesh) conduit.Enabled = True doc.Views.Redraw() inStr = rs.GetString("press <Enter> to continue") conduit.Enabled = False doc.Views.Redraw() return Rhino.Commands.Result.Success else: return Rhino.Commands.Result.Failure class DrawBlueMeshConduit(Rhino.Display.DisplayConduit): def __init__(self, mesh): self.mesh = mesh self.color = System.Drawing.Color.Blue self.material = Rhino.Display.DisplayMaterial() self.material.Diffuse = self.color if mesh != None and mesh.IsValid: self.bbox = mesh.GetBoundingBox(True) def CalculateBoundingBox(self, calculateBoundingBoxEventArgs): #super.CalculateBoundingBox(calculateBoundingBoxEventArgs) calculateBoundingBoxEventArgs.IncludeBoundingBox(self.bbox) def PreDrawObjects(self, drawEventArgs): #base.PreDrawObjects(rawEventArgs) gvp = drawEventArgs.Display.Viewport if gvp.DisplayMode.EnglishName.ToLower() == "wireframe": drawEventArgs.Display.DrawMeshWires(self.mesh, self.color) else: drawEventArgs.Display.DrawMeshShaded(self.mesh, self.material) if __name__ == "__main__": RunCommand()