// Insipred by
// https://github.com/DynamoDS/DynamoRevit/blob/master/src/Libraries/RevitNodes/GeometryConversion/ProtoToRevitMesh.cs
public IList <GeometryObject> MeshToNative(Mesh mesh, TessellatedShapeBuilderTarget target = TessellatedShapeBuilderTarget.Mesh, TessellatedShapeBuilderFallback fallback = TessellatedShapeBuilderFallback.Salvage)
{
var tsb = new TessellatedShapeBuilder()
{
Fallback = fallback, Target = target, GraphicsStyleId = ElementId.InvalidElementId
};
var valid = tsb.AreTargetAndFallbackCompatible(target, fallback);
tsb.OpenConnectedFaceSet(target == TessellatedShapeBuilderTarget.Solid);
var vertices = ArrayToPoints(mesh.vertices, mesh.units);
int i = 0;
while (i < mesh.faces.Count)
{
int n = mesh.faces[i];
if (n < 3)
{
n += 3; // 0 -> 3, 1 -> 4 to preserve backwards compatibility
}
var points = mesh.faces.GetRange(i + 1, n).Select(x => vertices[x]).ToArray();
if (IsNonPlanarQuad(points))
{
//Non-planar quads will be triangulated as it's more desirable than `TessellatedShapeBuilder.Build`'s attempt to make them planar.
//TODO consider triangulating all n > 3 polygons
var triPoints = new List <XYZ> {
points[0], points[1], points[3]
};
var face1 = new TessellatedFace(triPoints, ElementId.InvalidElementId);
tsb.AddFace(face1);
triPoints = new List <XYZ> {
points[1], points[2], points[3]
};;
var face2 = new TessellatedFace(triPoints, ElementId.InvalidElementId);
tsb.AddFace(face2);
}
else
{
var face = new TessellatedFace(points, ElementId.InvalidElementId);
tsb.AddFace(face);
}
i += n + 1;
}
tsb.CloseConnectedFaceSet();
try
{
tsb.Build();
}
catch (Exception e)
{
Report.LogConversionError(e);
return(null);
}
var result = tsb.GetBuildResult();
return(result.GetGeometricalObjects());
// Insipred by
// https://github.com/DynamoDS/DynamoRevit/blob/master/src/Libraries/RevitNodes/GeometryConversion/ProtoToRevitMesh.cs
public IList <GeometryObject> MeshToNative(Mesh mesh, TessellatedShapeBuilderTarget target = TessellatedShapeBuilderTarget.Mesh, TessellatedShapeBuilderFallback fallback = TessellatedShapeBuilderFallback.Salvage)
{
var tsb = new TessellatedShapeBuilder()
{
Fallback = fallback, Target = target, GraphicsStyleId = ElementId.InvalidElementId
};
var valid = tsb.AreTargetAndFallbackCompatible(target, fallback);
tsb.OpenConnectedFaceSet(target == TessellatedShapeBuilderTarget.Solid);
var vertices = ArrayToPoints(mesh.vertices, mesh.units);
int i = 0;
while (i < mesh.faces.Count)
{
var points = new List <XYZ>();
if (mesh.faces[i] == 0)
{ // triangle
points = new List <XYZ> {
vertices[mesh.faces[i + 1]], vertices[mesh.faces[i + 2]], vertices[mesh.faces[i + 3]]
};
var face = new TessellatedFace(points, ElementId.InvalidElementId);
var check = !tsb.DoesFaceHaveEnoughLoopsAndVertices(face);
tsb.AddFace(face);
i += 4;
}
else
{ // quad
points = new List <XYZ> {
vertices[mesh.faces[i + 1]], vertices[mesh.faces[i + 2]], vertices[mesh.faces[i + 4]]
};
var face1 = new TessellatedFace(points, ElementId.InvalidElementId);
var check1 = tsb.DoesFaceHaveEnoughLoopsAndVertices(face1);
tsb.AddFace(face1);
points = new List <XYZ> {
vertices[mesh.faces[i + 2]], vertices[mesh.faces[i + 3]], vertices[mesh.faces[i + 4]]
};
var face2 = new TessellatedFace(points, ElementId.InvalidElementId);
var check2 = tsb.DoesFaceHaveEnoughLoopsAndVertices(face2);
tsb.AddFace(face2);
i += 5;
}
}
tsb.CloseConnectedFaceSet();
try
{
tsb.Build();
}
catch (Exception e)
{
ConversionErrors.Add(e);
return(null);
}
var result = tsb.GetBuildResult();
return(result.GetGeometricalObjects());
}