internal static List <SlicePolyLine3D> GetZIntersections(List <Triangle> triangles, float zcur)
{
try
{
SlicePolyLine3D s3d = null;
var lstlines = new List <SlicePolyLine3D>();
for (var triangleIndex = 0; triangleIndex < triangles.Count; triangleIndex++)
{
var triangle = triangles[triangleIndex];
s3d = triangle.IntersectZPlane(zcur);
if (s3d != null)
{
s3d.Normal = triangle.Normal;
s3d.TriangleConnection = triangle.Index;
lstlines.Add(s3d);
}
}
return(lstlines);
}
catch (Exception)
{
return(null);
}
}
public static List <SlicePolyLine3D> GetZIntersections(List <Triangle> triangles, float zcur)
{
try
{
SlicePolyLine3D s3d = null;
var lstlines = new List <SlicePolyLine3D>();
foreach (var triangle in triangles)
{
s3d = triangle.IntersectZPlane(zcur);
if (s3d != null)
{
lstlines.Add(s3d);
}
}
return(lstlines);
}
catch (Exception)
{
return(null);
}
}
public static void RenderSliceToPolygons(Slices.Slice slice, Slices.RenderSliceInfo renderSlice)
{
var pixelValues = new byte[renderSlice.PrinterResolutionX * renderSlice.PrinterResolutionY];
var pixelLength = pixelValues.Length;
// Array.Clear(pixelValues, 0, pixelLength);
int beginPixel = 0;
int beginPixelOfRow = 0;
int endPixel = 0;
int endPixelOfRow = 0;
SlicePoint2D p1;
SlicePoint2D p2;
//model points
if (slice.ModelPoints.Count % 2 == 0)
{
for (int cnt = 0; cnt < slice.ModelPoints.Count; cnt += 2) // increment by 2
{
p1 = slice.ModelPoints[cnt];
p2 = slice.ModelPoints[cnt + 1];
if (p1.X > p2.X) //flip over
{
var pTemp = p1;
p1 = p2;
p2 = pTemp;
}
p1.X++;
if (p1.X <= p2.X)
{
if (p2.Y >= 0 && p1.Y >= 0)
{
beginPixel = (p1.Y * renderSlice.PrinterResolutionX + p1.X);
beginPixelOfRow = (((p1.Y) * renderSlice.PrinterResolutionX));
if (p1.X < 0)
{
beginPixel = (p1.Y * renderSlice.PrinterResolutionX);
}
//get end pixel of row
endPixel = ((p2.Y * renderSlice.PrinterResolutionX + p2.X));
endPixelOfRow = (((p1.Y + 1) * renderSlice.PrinterResolutionX)) - 1;
if (endPixel > endPixelOfRow)
{
endPixel = endPixelOfRow;
}
if (pixelValues.Length - 1 >= beginPixel && beginPixel >= 0)
{
pixelValues[beginPixel] = 255;
}
if (p2.X < 0)
{
endPixel = ((p2.Y * renderSlice.PrinterResolutionX));
}
//fill color between begin and endpoints
if (pixelValues.Length - 1 >= endPixel && endPixel >= 0)
{
pixelValues[endPixel] = 255;
if (beginPixel < endPixel)
{
for (var betweenPixel = beginPixel + 1; betweenPixel < endPixel; betweenPixel++)
{
if (betweenPixel >= 0)
{
pixelValues[betweenPixel] = 255;
}
}
}
}
}
}
}
}
if (slice.SupportPoints.Count % 2 == 0) // is even
{
for (int cnt = 0; cnt < slice.SupportPoints.Count; cnt += 2) // increment by 2
{
p1 = slice.SupportPoints[cnt];
p2 = slice.SupportPoints[cnt + 1];
if (p1.X > p2.X) //flip over
{
var pTemp = p1;
p1 = p2;
p2 = pTemp;
}
p1.X++;
if (p1.X <= p2.X)
{
if (p2.Y >= 0 && p1.Y >= 0)
{
beginPixel = (p1.Y * renderSlice.PrinterResolutionX + p1.X);
beginPixelOfRow = (((p1.Y) * renderSlice.PrinterResolutionX));
if (p1.X < 0)
{
beginPixel = (p1.Y * renderSlice.PrinterResolutionX);
}
//get end pixel of row
endPixel = ((p2.Y * renderSlice.PrinterResolutionX + p2.X));
endPixelOfRow = (((p1.Y + 1) * renderSlice.PrinterResolutionX));
if (endPixel > endPixelOfRow)
{
endPixel = endPixelOfRow;
}
if (pixelValues.Length - 1 >= beginPixel && beginPixel >= 0)
{
pixelValues[beginPixel] = 255;
}
if (p2.X < 0)
{
endPixel = ((p2.Y * renderSlice.PrinterResolutionX));
}
if (pixelValues.Length - 1 >= endPixel && endPixel >= 0)
{
pixelValues[endPixel] = 255;
if (beginPixel < endPixel)
{
for (var betweenPixel = beginPixel + 1; betweenPixel < endPixel; betweenPixel++)
{
if (betweenPixel >= 0)
{
pixelValues[betweenPixel] = 255;
}
}
}
}
}
}
}
}
else // flag error
{
Console.WriteLine("Row y=" + " odd # of points = " + slice.SupportPoints.Count + " - Model may have holes");
}
//convert pixel values to polylines
for (var pixelRowIndex = 0; pixelRowIndex < renderSlice.PrinterResolutionY; pixelRowIndex++)
{
var beginRowIndex = renderSlice.PrinterResolutionX * pixelRowIndex;
var startOfPolygon = false;
var startOfPolygonIndex = 0;
var endOfPolygonIndex = 0;
for (var pixelColumnIndex = 0; pixelColumnIndex < renderSlice.PrinterResolutionX; pixelColumnIndex++)
{
if (pixelValues[beginRowIndex + pixelColumnIndex] == 255)
{
if (!startOfPolygon)
{
startOfPolygon = true;
startOfPolygonIndex = pixelColumnIndex;
}
}
else if (pixelValues[beginRowIndex + pixelColumnIndex] == 0)
{
if (startOfPolygon)
{
endOfPolygonIndex = pixelColumnIndex;
startOfPolygon = false;
//add polygon to return list
var slicePolygon = new SlicePolyLine3D();
slicePolygon.Points.Add(new Vector3(startOfPolygonIndex, pixelRowIndex, renderSlice.SliceHeight));
slicePolygon.Points.Add(new Vector3(endOfPolygonIndex, pixelRowIndex, renderSlice.SliceHeight));
SimulationPolyLines.Add(slicePolygon);
}
}
}
}
lock (_totalProcessedSlicesLock)
{
TotalProcessedSlices++;
}
if (TotalProcessedSlices == TotalAmountSlices)
{
if (SimulationPrintJobCompleted != null)
{
//convert polygons to vectors
STLModel = new STLModel3D(STLModel3D.TypeObject.Model, true);
STLModel.Triangles = new TriangleInfoList();
var triangleIndex = 0;
var arrayIndex = 0;
foreach (var polyLine in SimulationPolyLines)
{
if (polyLine != null)
{
var polygonCube = new Shapes.Cube(polyLine.Points[1].X - polyLine.Points[0].X + 1, polyLine.Points[1].Y - polyLine.Points[0].Y + 1, 1);
//Console.WriteLine(polygonCube.Center);
for (var cubeVertexIndex = 0; cubeVertexIndex < polygonCube.VertexArray.Length; cubeVertexIndex += 3)
{
var triangle = new Triangle();
triangle.Normal = polygonCube.VertexArray[cubeVertexIndex].Normal;
triangle.Vectors[0].Position = new Vector3(-48, -20, 0);
triangle.Vectors[0].Normal = triangle.Vectors[1].Normal = triangle.Vectors[2].Normal = triangle.Normal;
triangle.Vectors[0].Color = triangle.Vectors[1].Color = triangle.Vectors[2].Color = new Byte4()
{
A = 128, B = 255
};
triangle.Vectors[1].Position = new Vector3(-48, -20, 0);
triangle.Vectors[2].Position = new Vector3(-48, -20, 0);
triangle.Vectors[0].Position += polygonCube.VertexArray[cubeVertexIndex].Position / 20;
triangle.Vectors[1].Position += polygonCube.VertexArray[cubeVertexIndex + 1].Position / 20;
triangle.Vectors[2].Position += polygonCube.VertexArray[cubeVertexIndex + 2].Position / 20;
//add 0 point
triangle.Vectors[0].Position += new Vector3(polyLine.Points[0].X / 20, polyLine.Points[0].Y / 20, polyLine.Points[0].Z);
triangle.Vectors[1].Position += new Vector3(polyLine.Points[0].X / 20, polyLine.Points[0].Y / 20, polyLine.Points[0].Z);
triangle.Vectors[2].Position += new Vector3(polyLine.Points[0].X / 20, polyLine.Points[0].Y / 20, polyLine.Points[0].Z);
if (triangleIndex > 33333)
{
IsReadyForRendering = true;
break;
triangleIndex = 0;
arrayIndex++;
STLModel.Triangles.Add(new List <Triangle>());
}
triangleIndex++;
STLModel.Triangles[arrayIndex].Add(triangle);
}
}
}
IsReadyForRendering = true;
SimulationPrintJobCompleted(null, null);
}
}
}