protected override Result RunCommand(RhinoDoc doc, RunMode mode)
{
const ObjectType geometryFilter = ObjectType.Mesh;
OptionDouble minEdgeLengthOption = new OptionDouble(minEdgeLength, 0.001, 200);
OptionInteger maxTriangleCountOption = new OptionInteger(maxTriangleCount, 0, 100000000);
GetObject go = new GetObject();
go.SetCommandPrompt("Select meshes to reduce");
go.GeometryFilter = geometryFilter;
go.AddOptionDouble("MinEdge", ref minEdgeLengthOption);
go.AddOptionInteger("MaxTriangle", ref maxTriangleCountOption);
go.GroupSelect = true;
go.SubObjectSelect = false;
go.EnableClearObjectsOnEntry(false);
go.EnableUnselectObjectsOnExit(false);
go.DeselectAllBeforePostSelect = false;
bool bHavePreselectedObjects = false;
for (;;)
{
GetResult res = go.GetMultiple(1, 0);
if (res == GetResult.Option)
{
go.EnablePreSelect(false, true);
continue;
}
else if (go.CommandResult() != Result.Success)
return go.CommandResult();
if (go.ObjectsWerePreselected)
{
bHavePreselectedObjects = true;
go.EnablePreSelect(false, true);
continue;
}
break;
}
maxTriangleCount = maxTriangleCountOption.CurrentValue;
minEdgeLength = minEdgeLengthOption.CurrentValue;
if (bHavePreselectedObjects)
{
// Normally, pre-selected objects will remain selected, when a
// command finishes, and post-selected objects will be unselected.
// This this way of picking, it is possible to have a combination
// of pre-selected and post-selected. So, to make sure everything
// "looks the same", lets unselect everything before finishing
// the command.
for (int i = 0; i < go.ObjectCount; i++)
{
RhinoObject rhinoObject = go.Object(i).Object();
if (null != rhinoObject)
rhinoObject.Select(false);
}
doc.Views.Redraw();
}
bool result = false;
foreach (var obj in go.Objects())
{
var rhinoMesh = obj.Mesh();
if (rhinoMesh == null || !rhinoMesh.IsValid)
continue;
var mesh = GopherUtil.ConvertToD3Mesh(obj.Mesh());
GopherUtil.ReduceMesh(mesh, (float)minEdgeLength, maxTriangleCount);
double mine, maxe, avge;
MeshQueries.EdgeLengthStats(mesh, out mine, out maxe, out avge);
RhinoApp.WriteLine("Edge length stats: {0} {1} {2}", mine, maxe, avge);
var newRhinoMesh = GopherUtil.ConvertToRhinoMesh(mesh);
if (newRhinoMesh != null && newRhinoMesh.IsValid)
{
doc.Objects.Replace(obj, newRhinoMesh);
}
if (newRhinoMesh != null && newRhinoMesh.IsValid)
{
result |= doc.Objects.Replace(obj, newRhinoMesh);
}
}
doc.Views.Redraw();
return Result.Success;
}
