public void MultiLayer()
{
var layer1 = new Layer()
{
Color = new Color(0, 1, 0),
Transparency = 0.5f,
Name = "Layer Number One"
};
Context.Current.Layers.Add(layer1);
var layer2 = new Layer()
{
Color = new Color(0, 0, 1),
Name = "Layer Number Two"
};
Context.Current.Layers.Add(layer2);
var bodies = TestGeomGenerator.CreateBoxCylinderSphere();
bodies[0].Layer = layer1;
bodies[1].Layer = layer2;
bodies[2].Layer = layer2;
Context.Current.ViewportController.ZoomFitAll();
var u3d = U3dBodyExporter.Export(bodies);
Assert.IsNotNull(u3d);
Assert.That(u3d.Length > 0);
AssertHelper.IsSameTextFile(Path.Combine(_BasePath, "MultiLayer.u3d"), u3d, AssertHelper.TextCompareFlags.IgnoreFloatPrecision);
}
//--------------------------------------------------------------------------------------------------
#endregion
#region IBodyExporter
bool IBodyExporter.DoExport(string fileName, IEnumerable <Body> bodies)
{
bool result;
using (new ProcessingScope(null, "Exporting bodies to Universal 3D File"))
{
result = _WriteToFile(fileName, U3dBodyExporter.Export(bodies));
}
return(result);
}
public void OrientedNormals()
{
var body = TestData.GetBodyFromBRep(Path.Combine(_BasePath, "OrientedNormals_Source.brep"));
Context.Current.ViewportController.ZoomFitAll();
var u3d = U3dBodyExporter.Export(new [] { body });
Assert.IsNotNull(u3d);
Assert.That(u3d.Length > 0);
AssertHelper.IsSameTextFile(Path.Combine(_BasePath, "OrientedNormals.u3d"), u3d, AssertHelper.TextCompareFlags.IgnoreFloatPrecision);
}
public void MeshWrite()
{
var bodies = TestGeomGenerator.CreateBoxCylinderSphere();
Context.Current.ViewportController.ZoomFitAll();
var u3d = U3dBodyExporter.Export(bodies);
Assert.IsNotNull(u3d);
Assert.That(u3d.Length > 0);
AssertHelper.IsSameTextFile(Path.Combine(_BasePath, "MeshWrite.u3d"), u3d, AssertHelper.TextCompareFlags.IgnoreFloatPrecision);
}
//--------------------------------------------------------------------------------------------------
MemoryStream _Export(IEnumerable <Body> bodies)
{
try
{
var u3dSource = U3dBodyExporter.Export(bodies);
if (u3dSource == null)
{
Messages.Error("Mesh exporting failed, cannot generate 3D PDF.");
return(null);
}
_Document = new PdfDomDocument {
Version = PdfVersion.PDF_1_6
};
_Page = _Document.AddPage();
var pageRect = new[] { 0, 0, PaperSizeX, PaperSizeY };
_Page.MediaBox = pageRect;
// Create U3D stream
var streamObj = new PdfDom3DStream(_Document);
streamObj.Add(u3dSource);
// Create view
var view = streamObj.AddView("Default");
view.U3DPath = "View";
var projection = view.Projection;
projection.IsPerspective = false;
projection.AutomaticClipping = true;
var background = view.Background;
background.Color = new Color(0.75f, 0.75f, 0.75f);
if (CoreContext.Current?.Viewport != null)
{
var vp = CoreContext.Current.Viewport;
var size = vp.Size;
var scale = Math.Min(PaperSizeX / size.Width, PaperSizeY / size.Height);
projection.OrthographicScale = scale * PdfDomDocument.UserSpaceScale;
view.OrbitCenterDistance = vp.EyePoint.Distance(vp.TargetPoint) * vp.Scale;
}
// Create annotation
var normalAppearenceStream = new PdfDomXObject(_Document, pageRect);
normalAppearenceStream.Add(PdfSnippets.NormalAppearenceFor3DAnnot);
var annot = new PdfDom3DAnnotation(_Document, new[] { 0, 0, PaperSizeX, PaperSizeY }, streamObj)
{
IsInteractive = true,
IsAutostart = true,
NormalAppearence = normalAppearenceStream
};
_Page.Annotations.Add(annot);
// Finish
var stream = _Document.WriteToStream();
_Document = null;
return(stream);
}
catch (Exception e)
{
Messages.Exception($"Exception occured while exporting to U3D.", e);
return(null);
}
}
