public void ReadAsciiStlNoLengthOrPositionStreamTest()
{
using (var ms = new MemoryStream())
using (var writer = new StreamWriter(ms))
{
writer.WriteLine(@"
solid foo
facet normal 1 2 3
outer loop
vertex 4 5 6
vertex 7 8 9
vertex 10 11 12
endloop
endfacet
facet normal 13 14 15
outer loop
vertex 16 17 18
vertex 19 20 21
vertex 22 23 24
endloop
endfacet
endsolid foo
".Trim());
writer.Flush();
ms.Seek(0, SeekOrigin.Begin);
using (var stream = new StreamWithNoLengthOrPosition(ms))
{
var file = StlFile.Load(stream);
Assert.Equal("foo", file.SolidName);
Assert.Equal(2, file.Triangles.Count);
Assert.Equal(new StlNormal(1, 2, 3), file.Triangles[0].Normal);
Assert.Equal(new StlVertex(4, 5, 6), file.Triangles[0].Vertex1);
Assert.Equal(new StlVertex(7, 8, 9), file.Triangles[0].Vertex2);
Assert.Equal(new StlVertex(10, 11, 12), file.Triangles[0].Vertex3);
Assert.Equal(new StlNormal(13, 14, 15), file.Triangles[1].Normal);
Assert.Equal(new StlVertex(16, 17, 18), file.Triangles[1].Vertex1);
Assert.Equal(new StlVertex(19, 20, 21), file.Triangles[1].Vertex2);
Assert.Equal(new StlVertex(22, 23, 24), file.Triangles[1].Vertex3);
}
}
}
public void ReadAsciiStlNoLengthOrPositionStreamTest()
{
using (var ms = new MemoryStream())
using (var writer = new StreamWriter(ms))
{
writer.WriteLine(@"
solid foo
facet normal 1 2 3
outer loop
vertex 4 5 6
vertex 7 8 9
vertex 10 11 12
endloop
endfacet
facet normal 13 14 15
outer loop
vertex 16 17 18
vertex 19 20 21
vertex 22 23 24
endloop
endfacet
endsolid foo
".Trim());
writer.Flush();
ms.Seek(0, SeekOrigin.Begin);
using (var stream = new StreamWithNoLengthOrPosition(ms))
{
var file = StlFile.Load(stream);
Assert.Equal("foo", file.SolidName);
Assert.Equal(2, file.Triangles.Count);
Assert.Equal(new StlNormal(1, 2, 3), file.Triangles[0].Normal);
Assert.Equal(new StlVertex(4, 5, 6), file.Triangles[0].Vertex1);
Assert.Equal(new StlVertex(7, 8, 9), file.Triangles[0].Vertex2);
Assert.Equal(new StlVertex(10, 11, 12), file.Triangles[0].Vertex3);
Assert.Equal(new StlNormal(13, 14, 15), file.Triangles[1].Normal);
Assert.Equal(new StlVertex(16, 17, 18), file.Triangles[1].Vertex1);
Assert.Equal(new StlVertex(19, 20, 21), file.Triangles[1].Vertex2);
Assert.Equal(new StlVertex(22, 23, 24), file.Triangles[1].Vertex3);
}
}
}
public void ReadBinaryStlNoLengthOrPositionStreamTest()
{
var binarySize =
80 + // header
sizeof(int) + // number of triangles
2 * // 2 verticies
(
sizeof(float) * 3 + // normal vector
sizeof(float) * 3 + // vertex 1
sizeof(float) * 3 + // vertex 2
sizeof(float) * 3 + // vertex 3
sizeof(short) // attribute byte count
);
var binaryList = new List<byte>();
binaryList.AddRange(new byte[80]); // header
binaryList.AddRange(BitConverter.GetBytes(2)); // 2 triangles
// first triangle
binaryList.AddRange(BitConverter.GetBytes(1.0f)); // normal.X
binaryList.AddRange(BitConverter.GetBytes(2.0f)); // normal.Y
binaryList.AddRange(BitConverter.GetBytes(3.0f)); // normal.Z
binaryList.AddRange(BitConverter.GetBytes(4.0f)); // vertex1.X
binaryList.AddRange(BitConverter.GetBytes(5.0f)); // vertex1.Y
binaryList.AddRange(BitConverter.GetBytes(6.0f)); // vertex1.Z
binaryList.AddRange(BitConverter.GetBytes(7.0f)); // vertex2.X
binaryList.AddRange(BitConverter.GetBytes(8.0f)); // vertex2.Y
binaryList.AddRange(BitConverter.GetBytes(9.0f)); // vertex2.Z
binaryList.AddRange(BitConverter.GetBytes(10.0f)); // vertex3.X
binaryList.AddRange(BitConverter.GetBytes(11.0f)); // vertex3.Y
binaryList.AddRange(BitConverter.GetBytes(12.0f)); // vertex3.Z
binaryList.AddRange(BitConverter.GetBytes((short)0)); // attribute byte count
// second triangle
binaryList.AddRange(BitConverter.GetBytes(13.0f)); // normal.X
binaryList.AddRange(BitConverter.GetBytes(14.0f)); // normal.Y
binaryList.AddRange(BitConverter.GetBytes(15.0f)); // normal.Z
binaryList.AddRange(BitConverter.GetBytes(16.0f)); // vertex1.X
binaryList.AddRange(BitConverter.GetBytes(17.0f)); // vertex1.Y
binaryList.AddRange(BitConverter.GetBytes(18.0f)); // vertex1.Z
binaryList.AddRange(BitConverter.GetBytes(19.0f)); // vertex2.X
binaryList.AddRange(BitConverter.GetBytes(20.0f)); // vertex2.Y
binaryList.AddRange(BitConverter.GetBytes(21.0f)); // vertex2.Z
binaryList.AddRange(BitConverter.GetBytes(22.0f)); // vertex3.X
binaryList.AddRange(BitConverter.GetBytes(23.0f)); // vertex3.Y
binaryList.AddRange(BitConverter.GetBytes(24.0f)); // vertex3.Z
binaryList.AddRange(BitConverter.GetBytes((short)0)); // attribute byte count
Assert.Equal(binarySize, binaryList.Count);
using (var ms = new MemoryStream())
{
ms.Write(binaryList.ToArray(), 0, binaryList.Count);
ms.Flush();
ms.Seek(0, SeekOrigin.Begin);
using (var stream = new StreamWithNoLengthOrPosition(ms))
{
var file = StlFile.Load(stream);
Assert.Equal(2, file.Triangles.Count);
Assert.Equal(new StlNormal(1.0f, 2.0f, 3.0f), file.Triangles[0].Normal);
Assert.Equal(new StlVertex(4.0f, 5.0f, 6.0f), file.Triangles[0].Vertex1);
Assert.Equal(new StlVertex(7.0f, 8.0f, 9.0f), file.Triangles[0].Vertex2);
Assert.Equal(new StlVertex(10.0f, 11.0f, 12.0f), file.Triangles[0].Vertex3);
Assert.Equal(new StlNormal(13.0f, 14.0f, 15.0f), file.Triangles[1].Normal);
Assert.Equal(new StlVertex(16.0f, 17.0f, 18.0f), file.Triangles[1].Vertex1);
Assert.Equal(new StlVertex(19.0f, 20.0f, 21.0f), file.Triangles[1].Vertex2);
Assert.Equal(new StlVertex(22.0f, 23.0f, 24.0f), file.Triangles[1].Vertex3);
}
}
}
public void ReadBinaryStlNoLengthOrPositionStreamTest()
{
var binarySize =
80 + // header
sizeof(int) + // number of triangles
2 * // 2 verticies
(
sizeof(float) * 3 + // normal vector
sizeof(float) * 3 + // vertex 1
sizeof(float) * 3 + // vertex 2
sizeof(float) * 3 + // vertex 3
sizeof(short) // attribute byte count
);
var binaryList = new List <byte>();
binaryList.AddRange(new byte[80]); // header
binaryList.AddRange(BitConverter.GetBytes(2)); // 2 triangles
// first triangle
binaryList.AddRange(BitConverter.GetBytes(1.0f)); // normal.X
binaryList.AddRange(BitConverter.GetBytes(2.0f)); // normal.Y
binaryList.AddRange(BitConverter.GetBytes(3.0f)); // normal.Z
binaryList.AddRange(BitConverter.GetBytes(4.0f)); // vertex1.X
binaryList.AddRange(BitConverter.GetBytes(5.0f)); // vertex1.Y
binaryList.AddRange(BitConverter.GetBytes(6.0f)); // vertex1.Z
binaryList.AddRange(BitConverter.GetBytes(7.0f)); // vertex2.X
binaryList.AddRange(BitConverter.GetBytes(8.0f)); // vertex2.Y
binaryList.AddRange(BitConverter.GetBytes(9.0f)); // vertex2.Z
binaryList.AddRange(BitConverter.GetBytes(10.0f)); // vertex3.X
binaryList.AddRange(BitConverter.GetBytes(11.0f)); // vertex3.Y
binaryList.AddRange(BitConverter.GetBytes(12.0f)); // vertex3.Z
binaryList.AddRange(BitConverter.GetBytes((short)0)); // attribute byte count
// second triangle
binaryList.AddRange(BitConverter.GetBytes(13.0f)); // normal.X
binaryList.AddRange(BitConverter.GetBytes(14.0f)); // normal.Y
binaryList.AddRange(BitConverter.GetBytes(15.0f)); // normal.Z
binaryList.AddRange(BitConverter.GetBytes(16.0f)); // vertex1.X
binaryList.AddRange(BitConverter.GetBytes(17.0f)); // vertex1.Y
binaryList.AddRange(BitConverter.GetBytes(18.0f)); // vertex1.Z
binaryList.AddRange(BitConverter.GetBytes(19.0f)); // vertex2.X
binaryList.AddRange(BitConverter.GetBytes(20.0f)); // vertex2.Y
binaryList.AddRange(BitConverter.GetBytes(21.0f)); // vertex2.Z
binaryList.AddRange(BitConverter.GetBytes(22.0f)); // vertex3.X
binaryList.AddRange(BitConverter.GetBytes(23.0f)); // vertex3.Y
binaryList.AddRange(BitConverter.GetBytes(24.0f)); // vertex3.Z
binaryList.AddRange(BitConverter.GetBytes((short)0)); // attribute byte count
Assert.Equal(binarySize, binaryList.Count);
using (var ms = new MemoryStream())
{
ms.Write(binaryList.ToArray(), 0, binaryList.Count);
ms.Flush();
ms.Seek(0, SeekOrigin.Begin);
using (var stream = new StreamWithNoLengthOrPosition(ms))
{
var file = StlFile.Load(stream);
Assert.Equal(2, file.Triangles.Count);
Assert.Equal(new StlNormal(1.0f, 2.0f, 3.0f), file.Triangles[0].Normal);
Assert.Equal(new StlVertex(4.0f, 5.0f, 6.0f), file.Triangles[0].Vertex1);
Assert.Equal(new StlVertex(7.0f, 8.0f, 9.0f), file.Triangles[0].Vertex2);
Assert.Equal(new StlVertex(10.0f, 11.0f, 12.0f), file.Triangles[0].Vertex3);
Assert.Equal(new StlNormal(13.0f, 14.0f, 15.0f), file.Triangles[1].Normal);
Assert.Equal(new StlVertex(16.0f, 17.0f, 18.0f), file.Triangles[1].Vertex1);
Assert.Equal(new StlVertex(19.0f, 20.0f, 21.0f), file.Triangles[1].Vertex2);
Assert.Equal(new StlVertex(22.0f, 23.0f, 24.0f), file.Triangles[1].Vertex3);
}
}
}
