/// <summary>
/// Generates a row of cylinders tessellated w/ different chord lengths
/// eg 10x1cm : CalibrationModelGenerator.MakePrintStepSizeTest(10.0f, 10.0f, 0.1, 1.0, 10);
/// </summary>
public static DMesh3 MakePrintStepSizeTest(double cylDiam, double cylHeight, double lowStep, double highStep, int nSteps)
{
double spacing = 2.0f;
float r = (float)cylDiam * 0.5f;
double cx = 0.5 * (nSteps * cylDiam + (nSteps - 1) * spacing);
DMesh3 accumMesh = new DMesh3();
double cur_x = -cx + cylDiam / 2;
for (int k = 0; k < nSteps; ++k)
{
double t = (double)k / (double)(nSteps - 1);
double chord_len = (1.0 - t) * lowStep + (t) * highStep;
int slices = (int)((MathUtil.TwoPI * r) / chord_len);
CappedCylinderGenerator cylgen = new CappedCylinderGenerator()
{
BaseRadius = r,
TopRadius = r,
Height = (float)cylHeight,
Slices = slices,
NoSharedVertices = false
};
DMesh3 cylMesh = cylgen.Generate().MakeDMesh();
MeshTransforms.Translate(cylMesh, -cylMesh.CachedBounds.Min.y * Vector3d.AxisY);
MeshTransforms.Translate(cylMesh, cur_x * Vector3d.AxisX);
cur_x += cylDiam + spacing;
MeshEditor.Append(accumMesh, cylMesh);
}
MeshTransforms.ConvertYUpToZUp(accumMesh);
return(accumMesh);
}
static void Main(string[] args)
{
CappedCylinderGenerator cylgen = new CappedCylinderGenerator()
{
BaseRadius = 10, TopRadius = 5, Height = 20, Slices = 32
};
DMesh3 mesh = cylgen.Generate().MakeDMesh();
MeshTransforms.ConvertYUpToZUp(mesh); // g3 meshes are usually Y-up
// center mesh above origin
AxisAlignedBox3d bounds = mesh.CachedBounds;
Vector3d baseCenterPt = bounds.Center - bounds.Extents.z * Vector3d.AxisZ;
MeshTransforms.Translate(mesh, -baseCenterPt);
// create print mesh set
PrintMeshAssembly meshes = new PrintMeshAssembly();
meshes.AddMesh(mesh, PrintMeshOptions.Default());
// create settings
//MakerbotSettings settings = new MakerbotSettings(Makerbot.Models.Replicator2);
//PrintrbotSettings settings = new PrintrbotSettings(Printrbot.Models.Plus);
//MonopriceSettings settings = new MonopriceSettings(Monoprice.Models.MP_Select_Mini_V2);
RepRapSettings settings = new RepRapSettings(RepRap.Models.Unknown);
// do slicing
MeshPlanarSlicer slicer = new MeshPlanarSlicer()
{
LayerHeightMM = settings.LayerHeightMM
};
slicer.Add(meshes);
PlanarSliceStack slices = slicer.Compute();
// run print generator
SingleMaterialFFFPrintGenerator printGen =
new SingleMaterialFFFPrintGenerator(meshes, slices, settings);
if (printGen.Generate())
{
// export gcode
GCodeFile gcode = printGen.Result;
using (StreamWriter w = new StreamWriter("c:\\demo\\cone.gcode")) {
StandardGCodeWriter writer = new StandardGCodeWriter();
writer.WriteFile(gcode, w);
}
}
}
public IOWriteResult RunBackgroundWrite()
{
// transform meshes
gParallel.ForEach(Interval1i.Range(ExportMeshes.Length), (i) => {
if (MeshFrames[i].Origin != Vector3f.Zero || MeshFrames[i].Rotation != Quaternionf.Identity)
{
MeshTransforms.FromFrame(ExportMeshes[i], MeshFrames[i]);
}
MeshTransforms.FlipLeftRightCoordSystems(ExportMeshes[i]);
if (ExportYUp == false)
{
MeshTransforms.ConvertYUpToZUp(ExportMeshes[i]);
}
});
List <WriteMesh> writeMeshes = new List <WriteMesh>();
for (int i = 0; i < ExportMeshes.Length; ++i)
{
writeMeshes.Add(new WriteMesh(ExportMeshes[i]));
}
WriteOptions options = WriteOptions.Defaults;
options.bWriteBinary = true;
options.ProgressFunc = BackgroundProgressFunc;
StandardMeshWriter writer = new StandardMeshWriter();
IOWriteResult result = writer.Write(WritePath, writeMeshes, options);
return(result);
}
public void Compute()
{
int N = meshToScene.Length;
slicer = new MeshPlanarSlicerPro()
{
LayerHeightMM = CC.Settings.LayerHeightMM,
// [RMS] 1.5 here is a hack. If we don't leave a bit of space then often the filament gets squeezed right at
// inside/outside transitions, which is bad. Need a better way to handle.
OpenPathDefaultWidthMM = CC.Settings.NozzleDiameterMM * 1.5,
SetMinZValue = 0,
SliceFactoryF = PlanarSlicePro.FactoryF
};
if (CC.Settings.OpenMode == PrintSettings.OpenMeshMode.Clipped)
{
slicer.DefaultOpenPathMode = PrintMeshOptions.OpenPathsModes.Clipped;
}
else if (CC.Settings.OpenMode == PrintSettings.OpenMeshMode.Embedded)
{
slicer.DefaultOpenPathMode = PrintMeshOptions.OpenPathsModes.Embedded;
}
else if (CC.Settings.OpenMode == PrintSettings.OpenMeshMode.Ignored)
{
slicer.DefaultOpenPathMode = PrintMeshOptions.OpenPathsModes.Ignored;
}
if (CC.Settings.StartLayers > 0)
{
int start_layers = CC.Settings.StartLayers;
double std_layer_height = CC.Settings.LayerHeightMM;
double start_layer_height = CC.Settings.StartLayerHeightMM;
slicer.LayerHeightF = (layer_i) => {
return((layer_i < start_layers) ? start_layer_height : std_layer_height);
};
}
try {
assembly = new PrintMeshAssembly();
for (int k = 0; k < N; ++k)
{
DMesh3 mesh = meshCopies[k];
Frame3f mapF = meshToScene[k];
PrintMeshSettings settings = meshSettings[k];
PrintMeshOptions options = new PrintMeshOptions();
options.IsSupport = (settings.ObjectType == PrintMeshSettings.ObjectTypes.Support);
options.IsCavity = (settings.ObjectType == PrintMeshSettings.ObjectTypes.Cavity);
options.IsCropRegion = (settings.ObjectType == PrintMeshSettings.ObjectTypes.CropRegion);
options.IsOpen = false;
if (settings.OuterShellOnly)
{
options.IsOpen = true;
}
options.OpenPathMode = PrintMeshSettings.Convert(settings.OpenMeshMode);
options.Extended = new ExtendedPrintMeshOptions()
{
ClearanceXY = settings.Clearance,
OffsetXY = settings.OffsetXY
};
Vector3f scale = localScale[k];
MeshTransforms.Scale(mesh, scale.x, scale.y, scale.z);
MeshTransforms.FromFrame(mesh, mapF);
MeshTransforms.FlipLeftRightCoordSystems(mesh);
MeshTransforms.ConvertYUpToZUp(mesh);
MeshAssembly decomposer = new MeshAssembly(mesh);
decomposer.HasNoVoids = settings.NoVoids;
decomposer.Decompose();
assembly.AddMeshes(decomposer.ClosedSolids, options);
PrintMeshOptions openOptions = options.Clone();
assembly.AddMeshes(decomposer.OpenMeshes, openOptions);
}
if (slicer.Add(assembly) == false)
{
throw new Exception("error adding PrintMeshAssembly to Slicer!!");
}
// set clip box
Box2d clip_box = new Box2d(Vector2d.Zero,
new Vector2d(CC.Settings.BedSizeXMM / 2, CC.Settings.BedSizeYMM / 2));
slicer.ValidRegions = new List <GeneralPolygon2d>()
{
new GeneralPolygon2d(new Polygon2d(clip_box.ComputeVertices()))
};
result = slicer.Compute();
Success = true;
} catch (Exception e) {
DebugUtil.Log("GeometrySlicer.Compute: exception: " + e.Message);
Success = false;
}
Finished = true;
}
public static void test_uv_insert_segment()
{
DMesh3 mesh = TestUtil.LoadTestInputMesh("plane_250v.obj");
mesh.EnableVertexUVs(Vector2f.Zero);
MeshTransforms.ConvertYUpToZUp(mesh);
DMeshAABBTree3 spatial = new DMeshAABBTree3(mesh);
spatial.Build();
int tid = spatial.FindNearestTriangle(Vector3d.Zero);
//Polygon2d poly = Polygon2d.MakeRectangle(Vector2d.Zero, 5, 5);
Polygon2d poly = Polygon2d.MakeCircle(5, 13);
//PolyLine2d poly = new PolyLine2d( new Vector2d[] { -5 * Vector2d.One, 5 * Vector2d.One });
//int tri_edge0 = mesh.GetTriEdge(tid, 0);
//Index2i edge0_tris = mesh.GetEdgeT(tri_edge0);
//Index2i edge0_verts = mesh.GetEdgeV(tri_edge0);
//Vector3d v0 = mesh.GetVertex(edge0_verts.a), v1 = mesh.GetVertex(edge0_verts.b);
//Vector3d c = mesh.GetTriCentroid(tid);
//Polygon2d poly = new Polygon2d(new Vector2d[] {
// Vector2d.Lerp(v0.xy, v1.xy, -0.25),
// Vector2d.Lerp(v0.xy, v1.xy, 1.5),
// c.xy
//});
MeshInsertUVPolyCurve insert = new MeshInsertUVPolyCurve(mesh, poly);
insert.Apply();
Polygon2d test_poly = new Polygon2d();
List <double> distances = new List <double>();
List <int> nearests = new List <int>();
for (int i = 0; i < insert.Loops[0].VertexCount; ++i)
{
Vector2d v = mesh.GetVertex(insert.Loops[0].Vertices[i]).xy;
test_poly.AppendVertex(v);
int iNear; double fNear;
distances.Add(poly.DistanceSquared(v, out iNear, out fNear));
nearests.Add(iNear);
}
System.Console.WriteLine("inserted loop poly has {0} edges", insert.Loops[0].EdgeCount);
// find a triangle connected to loop that is inside the polygon
// [TODO] maybe we could be a bit more robust about this? at least
// check if triangle is too degenerate...
int seed_tri = -1;
for (int i = 0; i < insert.Loops[0].EdgeCount; ++i)
{
Index2i et = mesh.GetEdgeT(insert.Loops[0].Edges[i]);
Vector3d ca = mesh.GetTriCentroid(et.a);
bool in_a = poly.Contains(ca.xy);
Vector3d cb = mesh.GetTriCentroid(et.b);
bool in_b = poly.Contains(cb.xy);
if (in_a && in_b == false)
{
seed_tri = et.a;
break;
}
else if (in_b && in_a == false)
{
seed_tri = et.b;
break;
}
}
Util.gDevAssert(seed_tri != -1);
// flood-fill inside loop
HashSet <int> loopEdges = new HashSet <int>(insert.Loops[0].Edges);
MeshFaceSelection sel = new MeshFaceSelection(mesh);
sel.FloodFill(seed_tri, null, (eid) => { return(loopEdges.Contains(eid) == false); });
// delete inside loop
MeshEditor editor = new MeshEditor(mesh);
editor.RemoveTriangles(sel, true);
MeshTransforms.ConvertZUpToYUp(mesh);
TestUtil.WriteTestOutputMesh(mesh, "insert_uv_segment.obj");
//OBJWriter writer = new OBJWriter();
//var s = new System.IO.StreamWriter(Program.TEST_OUTPUT_PATH + "mesh_local_param.obj", false);
//List<WriteMesh> wm = new List<WriteMesh>() { new WriteMesh(mesh) };
//WriteOptions opt = new WriteOptions() {
// bCombineMeshes = false, bWriteGroups = false, bPerVertexColors = true, bPerVertexUVs = true,
// AsciiHeaderFunc = () => { return "mttllib checkerboard.mtl\r\nusemtl checkerboard\r\n"; }
//};
//writer.Write(s, wm, opt);
//s.Close();
}