private static void AddTriangle(
Dictionary <Point, int> mapPointVertexIndex,
DMTTriangleBlock block,
Point objPoint1,
Point objPoint2,
Point objPoint3)
{
int point1Index;
int point2Index;
int point3Index;
if (!mapPointVertexIndex.TryGetValue(objPoint1, out point1Index))
{
point1Index = mapPointVertexIndex.Count;
mapPointVertexIndex.Add(objPoint1, point1Index);
block.AddVertex(objPoint1);
}
if (!mapPointVertexIndex.TryGetValue(objPoint2, out point2Index))
{
point2Index = mapPointVertexIndex.Count;
mapPointVertexIndex.Add(objPoint2, point2Index);
block.AddVertex(objPoint2);
}
if (!mapPointVertexIndex.TryGetValue(objPoint3, out point3Index))
{
point3Index = mapPointVertexIndex.Count;
mapPointVertexIndex.Add(objPoint3, point3Index);
block.AddVertex(objPoint3);
}
block.AddTriangle(point1Index, point2Index, point3Index);
}
/// <summary>
/// Reads an ASCII STL file filtered by a provided filter.
/// </summary>
/// <param name="file">The mesh file.</param>
/// <param name="filter">The provided filtered.</param>
/// <returns>The DMTModel that obeys to the filter condition.</returns>
public List <DMTModel> ReadFile(File file, IDMTModelFilter filter)
{
if (file.Exists == false)
{
throw new DMTFileException(DMTFileError.FileDoesNotExist);
}
var blocksIn = new List <DMTTriangleBlock>();
var blocksOut = new List <DMTTriangleBlock>();
var blockIn = new DMTTriangleBlock();
var blockOut = new DMTTriangleBlock();
var vertices = new List <Point>();
foreach (var strLine in file.ReadTextLines())
{
if (strLine.Trim().StartsWith("vertex "))
{
//Add position
var strCoords = strLine.Trim().Split(' ');
var intCounter = 0;
double x = 0;
double y = 0;
double z = 0;
foreach (var strCoord in strCoords)
{
if (Information.IsNumeric(strCoord))
{
if (intCounter == 0)
{
x = Convert.ToDouble(strCoord);
}
else if (intCounter == 1)
{
y = Convert.ToDouble(strCoord);
}
else
{
z = Convert.ToDouble(strCoord);
}
intCounter += 1;
}
}
vertices.Add(new Point(x, y, z));
}
else if (strLine.Trim().StartsWith("endloop"))
{
if (filter.CanAddTriangle(vertices.ElementAt(0), vertices.ElementAt(1), vertices.ElementAt(2)))
{
blockIn.AddTriangle(vertices.ElementAt(0), vertices.ElementAt(1), vertices.ElementAt(2));
}
else
{
blockOut.AddTriangle(vertices.ElementAt(0), vertices.ElementAt(1), vertices.ElementAt(2));
}
vertices.Clear();
}
}
blocksIn.Add(blockIn);
blocksOut.Add(blockOut);
var modelWithinFilter = new DMTModel();
var modelOutsideFilter = new DMTModel();
modelWithinFilter.TriangleBlocks.AddRange(blocksIn);
modelOutsideFilter.TriangleBlocks.AddRange(blocksOut);
var result = new List <DMTModel>();
result.Add(modelWithinFilter);
result.Add(modelOutsideFilter);
return(result);
}