static void generate_stacked_polygon(SingleMaterialFFFCompiler compiler,
SingleMaterialFFFSettings settings)
{
int NLayers = 10;
for (int layer_i = 0; layer_i < NLayers; ++layer_i)
{
// create data structures for organizing this layer
ToolpathSetBuilder layer_builder = new ToolpathSetBuilder();
SequentialScheduler2d scheduler = new SequentialScheduler2d(layer_builder, settings);
if (layer_i == 0)
{
scheduler.SpeedHint = SchedulerSpeedHint.Careful;
}
// initialize layer
layer_builder.Initialize(compiler.NozzlePosition);
// layer-up
layer_builder.AppendZChange(settings.LayerHeightMM, settings.ZTravelSpeed);
// schedule a circle
FillPolygon2d circle_poly = new FillPolygon2d(Polygon2d.MakeCircle(25.0f, 64));
circle_poly.TypeFlags = FillTypeFlags.OuterPerimeter;
scheduler.AppendPolygon2d(circle_poly);
// pass paths to compiler
compiler.AppendPaths(layer_builder.Paths, settings);
}
}
static void generate_stacked_wavy_circle(SingleMaterialFFFCompiler compiler,
SingleMaterialFFFSettings settings)
{
double height = 20.0; // mm
int NLayers = (int)(height / settings.LayerHeightMM); // 20mm
int NSteps = 128;
double radius = 15.0;
double frequency = 6;
double scale = 5.0;
for (int layer_i = 0; layer_i < NLayers; ++layer_i)
{
// create data structures for organizing this layer
ToolpathSetBuilder layer_builder = new ToolpathSetBuilder();
SequentialScheduler2d scheduler = new SequentialScheduler2d(layer_builder, settings);
if (layer_i == 0)
{
scheduler.SpeedHint = SchedulerSpeedHint.Careful;
}
// initialize and layer-up
layer_builder.Initialize(compiler.NozzlePosition);
layer_builder.AppendZChange(settings.LayerHeightMM, settings.ZTravelSpeed);
// start with circle
FillPolygon2d circle_poly = new FillPolygon2d(Polygon2d.MakeCircle(radius, NSteps));
// apply a wave deformation to circle, with wave height increasing with Z
double layer_scale = MathUtil.Lerp(0, scale, (double)layer_i / (double)NLayers);
for (int i = 0; i < NSteps; ++i)
{
Vector2d v = circle_poly[i];
double angle = Math.Atan2(v.y, v.x);
double r = v.Length;
r += layer_scale * Math.Sin(frequency * angle);
circle_poly[i] = r * v.Normalized;
}
circle_poly.TypeFlags = FillTypeFlags.OuterPerimeter;
scheduler.AppendPolygon2d(circle_poly);
// pass paths to compiler
compiler.AppendPaths(layer_builder.Paths, settings);
}
}
static GCodeFile generate_cnc_test(MeshPlanarMillSlicer.Result sliceSets, RepRapSettings settings, out ToolpathSet AccumulatedPaths)
{
int PLUNGE_SPEED = 800;
AccumulatedPaths = new ToolpathSet();
GCodeFileAccumulator file_accumulator = new GCodeFileAccumulator();
GCodeBuilder builder = new GCodeBuilder(file_accumulator);
BaseThreeAxisMillingCompiler Compiler = new BaseThreeAxisMillingCompiler(builder, settings, GenericMillingAssembler.Factory);
Compiler.Begin();
/*
* Clearing pass
*/
PlanarSliceStack clearingSlices = sliceSets.Clearing;
int N = clearingSlices.Count;
// assuming origin is at top of stock so we actaully are going down in Z layers
for (int k = 0; k < N; ++k)
{
clearingSlices[k].Z = -(sliceSets.TopZ - clearingSlices[k].Z);
}
for (int layeri = 0; layeri < N; layeri++)
{
PlanarSlice slice = clearingSlices[layeri];
Compiler.AppendComment(string.Format("clearing layer {0} - {1}mm", layeri, slice.Z));
ToolpathSetBuilder layer_builder = new ToolpathSetBuilder()
{
MoveType = ToolpathTypes.Cut
};
layer_builder.Initialize(Compiler.ToolPosition);
// To do a layer-change, we need to plunge down at the first scheduled cutting position.
// However we will not know that until we schedule the first set of paths.
// So, we configure SequentialScheduler2d to call this function when it knows this information,
// and then we can travel to the new XY position before we plunge to new Z
Action <List <FillCurveSet2d>, SequentialScheduler2d> DoZChangeF = (curves, scheduler) => {
Vector2d startPosXY = (curves[0].Loops.Count > 0) ?
curves[0].Loops[0].Start : curves[0].Curves[0].Start;
Vector3d startPosXYZ = new Vector3d(startPosXY.x, startPosXY.y, slice.Z);
// TODO: we should retract at faster speed here? maybe use custom function that does this better?
layer_builder.AppendTravel(startPosXYZ, PLUNGE_SPEED);
scheduler.OnAppendCurveSetsF = null;
};
SequentialScheduler2d layerScheduler = new SequentialScheduler2d(layer_builder, settings)
{
ExtrudeOnShortTravels = true,
ShortTravelDistance = settings.Machine.NozzleDiamMM * 1.5
};
layerScheduler.OnAppendCurveSetsF = DoZChangeF;
GroupScheduler2d groupScheduler = new GroupScheduler2d(layerScheduler, Compiler.ToolPosition.xy);
foreach (GeneralPolygon2d shape in slice.Solids)
{
ShellsFillPolygon shells_gen = new ShellsFillPolygon(shape)
{
PathSpacing = settings.ShellsFillPathSpacingMM(),
ToolWidth = settings.Machine.NozzleDiamMM,
Layers = 10,
OuterShellLast = false,
DiscardTinyPerimterLengthMM = 1, DiscardTinyPolygonAreaMM2 = 1
};
shells_gen.Compute();
groupScheduler.BeginGroup();
groupScheduler.AppendCurveSets(shells_gen.Shells);
groupScheduler.EndGroup();
}
Compiler.AppendPaths(layer_builder.Paths, settings);
AccumulatedPaths.Append(layer_builder.Paths);
}
/*
* Horizontal finish pass
*/
PlanarSliceStack horzSlices = sliceSets.HorizontalFinish;
int NH = horzSlices.Count;
// assuming origin is at top of stock so we actaully are going down in Z layers
for (int k = 0; k < NH; ++k)
{
horzSlices[k].Z = -(sliceSets.TopZ - horzSlices[k].Z);
}
for (int layeri = 0; layeri < NH; layeri++)
{
PlanarSlice slice = horzSlices[layeri];
Compiler.AppendComment(string.Format("horz finish layer {0} - {1}mm", layeri, slice.Z));
ToolpathSetBuilder layer_builder = new ToolpathSetBuilder()
{
MoveType = ToolpathTypes.Cut
};
layer_builder.Initialize(Compiler.ToolPosition);
Action <List <FillCurveSet2d>, SequentialScheduler2d> DoZChangeF = (curves, scheduler) => {
Vector2d startPosXY = (curves[0].Loops.Count > 0) ?
curves[0].Loops[0].Start : curves[0].Curves[0].Start;
Vector3d startPosXYZ = new Vector3d(startPosXY.x, startPosXY.y, slice.Z);
// TODO: we should retract at faster speed here? maybe use custom function that does this better?
layer_builder.AppendTravel(startPosXYZ, PLUNGE_SPEED);
scheduler.OnAppendCurveSetsF = null;
};
SequentialScheduler2d layerScheduler = new SequentialScheduler2d(layer_builder, settings)
{
ExtrudeOnShortTravels = true,
ShortTravelDistance = settings.Machine.NozzleDiamMM * 1.5
};
layerScheduler.OnAppendCurveSetsF = DoZChangeF;
GroupScheduler2d groupScheduler = new GroupScheduler2d(layerScheduler, Compiler.ToolPosition.xy);
foreach (GeneralPolygon2d shape in slice.Solids)
{
ShellsFillPolygon shells_gen = new ShellsFillPolygon(shape)
{
//InsetFromInputPolygonX = 0.0,
PathSpacing = settings.ShellsFillPathSpacingMM(),
ToolWidth = settings.Machine.NozzleDiamMM,
Layers = 10,
OuterShellLast = false,
PreserveInputInsetTopology = false,
DiscardTinyPerimterLengthMM = 1, DiscardTinyPolygonAreaMM2 = 1
};
shells_gen.Compute();
groupScheduler.BeginGroup();
groupScheduler.AppendCurveSets(shells_gen.Shells);
groupScheduler.EndGroup();
}
Compiler.AppendPaths(layer_builder.Paths, settings);
AccumulatedPaths.Append(layer_builder.Paths);
}
// return to home position
ToolpathSetBuilder finishBuilder = new ToolpathSetBuilder()
{
MoveType = ToolpathTypes.Cut
};
finishBuilder.Initialize(Compiler.ToolPosition);
finishBuilder.AppendTravel(Vector3d.Zero, PLUNGE_SPEED);
Compiler.AppendPaths(finishBuilder.Paths, settings);
Compiler.End();
return(file_accumulator.File);
}
