public void TestNormals()
{
var mdlReader = new MdlFilePolygonDataReader(_inputPath + @"\flowerpetals.mdl");
var triangles = Triangle.GetTrianglesFromPts(mdlReader.Points);
var meshGeometryModel = PaulBourkeSmoother.CreateMeshGeometry3DFromTriangles(triangles);
Assert.AreEqual(0, meshGeometryModel.Normals.Count);
XamlWriter.SaveMeshGeometryModel(_outputPath + @"\ModelWithoutSetNormals.xaml", meshGeometryModel, Color.FromRgb(255, 255, 0));
NormalCalculator.SetNormalsForModel(meshGeometryModel);
Assert.AreEqual(meshGeometryModel.Positions.Count, meshGeometryModel.Normals.Count);
XamlWriter.SaveMeshGeometryModel(_outputPath + @"\ModelWithSetNormals.xaml", meshGeometryModel, Color.FromRgb(255, 255, 0));
var normalModelPts = new List <Point3D>();
for (var index = 0; index < meshGeometryModel.Normals.Count; index++)
{
var normal = meshGeometryModel.Normals[index];
var position = meshGeometryModel.Positions[index];
var p2 = new Point3D(position.X + normal.X, position.Y + normal.Y, position.Z + normal.Z);
var lineModel = LineDisplayModel.GetLineModel(position, p2, .03);
normalModelPts.AddRange(lineModel);
}
XamlWriter.WritePolygonsToXamlFile("", _outputPath + @"\NormalsAsLines.xaml", normalModelPts, false);
}
public void TestRotationAlongTheXAxis()
{
var inputPts = new MdlFilePolygonDataReader(ExecutionDirInfoHelper.GetInputDirPath() + @"\1.mdl").Points;
var outputDirPath = ExecutionDirInfoHelper.GetOutputDirPath() + @"\TestRotationAlongTheXAxis";
if (!Directory.Exists(outputDirPath))
{
Directory.CreateDirectory(outputDirPath);
}
XamlWriter.WritePolygonsToXamlFile("", string.Format(@"{0}\Input.xaml", outputDirPath), inputPts, false);
for (var angleInRadian = 0.0; angleInRadian <= Math.PI * 2; angleInRadian += Math.PI * 2.0 / 18.0)//every 20 degrees
{
var outputPts = RotateAlongXYOrZAxis.GetRotatedPtList(Axis.X, angleInRadian, inputPts.ToArray());
XamlWriter.WritePolygonsToXamlFile("", string.Format(@"{0}\Output_X_{1}.xaml", outputDirPath, CommonFunctions.RadianToDegrees(angleInRadian, 0)), outputPts, false);
}
}
public void TestMediumSizedModel()
{
var mdlFileReader = new MdlFilePolygonDataReader(_inputPath + @"\v.mdl");
var triangles = Triangle.GetTrianglesFromPts(mdlFileReader.Points);
XamlWriter.WritePolygonsToXamlFile("", string.Format(@"{0}\InputModel.xaml", _outputPath), mdlFileReader.Points, false);
var meshGeometryModel = PaulBourkeSmoother.CreateMeshGeometry3DFromTriangles(triangles);
XamlWriter.SaveMeshGeometryModel(string.Format(@"{0}\InputModelMeshGeometry.xaml", _outputPath), meshGeometryModel, Color.FromRgb(100, 100, 100));
var smoothPositions = PaulBourkeSmoother.GetSmoothenedPositions(meshGeometryModel.Positions, meshGeometryModel.TriangleIndices, 6);
XamlWriter.SavePositionsAndTriangleIndicesAsModel(string.Format(@"{0}\Smoothened_{1}_times.xaml", _outputPath, 6),
smoothPositions, meshGeometryModel.TriangleIndices, Color.FromRgb(100, 100, 100));
}
public void Create_Some_Rotated_Pts_Along_Z_Axis()
{
//translate to +y
for (var ctr = 0; ctr < _ptsForACube.Count(); ctr++)
{
_ptsForACube[ctr].Y += 5.0;
}
var ptList = new List <Point3D>();
for (var angle = 0.0; angle <= Math.PI; angle += Math.PI / 10)
{
Point3D[] rotatedPts = RotateAlongXYOrZAxis.GetRotatedPts(Axis.Z, angle, _ptsForACube);
ptList.AddRange(rotatedPts);
}
XamlWriter.WritePolygonsToXamlFile(
GetTemplatePath(),
ExecutionDirInfoHelper.GetOutputDirPath() + @"\testRotationAlongZAxis.xaml",
ptList,
false);
}
public void TestGetSmoothenedPositions()
{
var mdlFileReader = new MdlFilePolygonDataReader(_inputPath + @"\flowerpetals.mdl");
var triangles = Triangle.GetTrianglesFromPts(mdlFileReader.Points);
XamlWriter.WritePolygonsToXamlFile("", string.Format(@"{0}\InputModel.xaml", _outputPath), mdlFileReader.Points, false);
var meshGeometryModel = PaulBourkeSmoother.CreateMeshGeometry3DFromTriangles(triangles);
XamlWriter.SaveMeshGeometryModel(string.Format(@"{0}\InputModelMeshGeometry.xaml", _outputPath), meshGeometryModel, Color.FromRgb(100, 100, 100));
var currentPositions = meshGeometryModel.Positions;
var positionNeighbors = PaulBourkeSmoother.GetPositionNeighbors(currentPositions.Count, meshGeometryModel.TriangleIndices);
for (var ctr = 1; ctr <= 10; ctr++)
{
var newPositions = PaulBourkeSmoother.GetSmoothenedPositions(currentPositions, meshGeometryModel.TriangleIndices, positionNeighbors);
XamlWriter.SavePositionsAndTriangleIndicesAsModel(string.Format(@"{0}\Smoothing_Iteration_{1}.xaml", _outputPath, ctr),
newPositions, meshGeometryModel.TriangleIndices, Color.FromRgb(100, 100, 100));
currentPositions = newPositions;
}
}