public static void BuildPreview
(
DB.Element element, MeshingParameters meshingParameters, DB.ViewDetailLevel DetailLevel,
out Rhino.Display.DisplayMaterial[] materials, out Mesh[] meshes, out Curve[] wires
)
{
DB.Options options = null;
using (var geometry = element?.GetGeometry(DetailLevel == DB.ViewDetailLevel.Undefined ? DB.ViewDetailLevel.Medium : DetailLevel, out options)) using (options)
{
if (geometry is null)
{
materials = null;
meshes = null;
wires = null;
}
else
{
var categoryMaterial = element.Category?.Material.ToRhino(null);
var elementMaterial = geometry.MaterialElement.ToRhino(categoryMaterial);
meshes = geometry.GetPreviewMeshes(meshingParameters).Where(x => x is object).ToArray();
wires = geometry.GetPreviewWires().Where(x => x is object).ToArray();
materials = geometry.GetPreviewMaterials(element.Document, elementMaterial).Where(x => x is object).ToArray();
foreach (var mesh in meshes)
{
mesh.Normals.ComputeNormals();
}
}
}
}
public static void BuildPreview
(
DB.Element element, MeshingParameters meshingParameters, DB.ViewDetailLevel DetailLevel,
out Rhino.Display.DisplayMaterial[] materials, out Mesh[] meshes, out Curve[] wires
)
{
DB.Options options = null;
using (var geometry = element?.GetGeometry(DetailLevel == DB.ViewDetailLevel.Undefined ? DB.ViewDetailLevel.Medium : DetailLevel, out options)) using (options)
{
if (geometry is null)
{
materials = null;
meshes = null;
wires = null;
}
else
{
var categoryMaterial = element.Category?.Material.ToDisplayMaterial(null);
var elementMaterial = geometry.MaterialElement.ToDisplayMaterial(categoryMaterial);
meshes = geometry.GetPreviewMeshes(meshingParameters).Where(x => x is object).ToArray();
wires = geometry.GetPreviewWires().Where(x => x is object).ToArray();
materials = geometry.GetPreviewMaterials(element.Document, elementMaterial).Where(x => x is object).ToArray();
if (meshes.Length == 0 && wires.Length == 0 && element.get_BoundingBox(null) is DB.BoundingBoxXYZ)
{
var subMeshes = new List <Mesh>();
var subWires = new List <Curve>();
var subMaterials = new List <Rhino.Display.DisplayMaterial>();
foreach (var dependent in element.GetDependentElements(null).Select(x => element.Document.GetElement(x)))
{
if (dependent.get_BoundingBox(null) is null)
{
continue;
}
DB.Options dependentOptions = null;
using (var dependentGeometry = dependent?.GetGeometry(DetailLevel == DB.ViewDetailLevel.Undefined ? DB.ViewDetailLevel.Medium : DetailLevel, out dependentOptions)) using (dependentOptions)
{
if (dependentGeometry is object)
{
subMeshes.AddRange(dependentGeometry.GetPreviewMeshes(meshingParameters).Where(x => x is object));
subWires.AddRange(dependentGeometry.GetPreviewWires().Where(x => x is object));
subMaterials.AddRange(dependentGeometry.GetPreviewMaterials(element.Document, elementMaterial).Where(x => x is object));
}
}
}
meshes = subMeshes.ToArray();
wires = subWires.ToArray();
materials = subMaterials.ToArray();
}
foreach (var mesh in meshes)
{
mesh.Normals.ComputeNormals();
}
}
}
}