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Add new tool path option for surfacing (#2699)
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102 changes: 102 additions & 0 deletions
102
...ner/src/main/java/com/willwinder/ugs/nbp/designer/io/gcode/toolpaths/SurfaceToolPath.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| package com.willwinder.ugs.nbp.designer.io.gcode.toolpaths; | ||
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| import com.willwinder.ugs.nbp.designer.entities.cuttable.Cuttable; | ||
| import com.willwinder.ugs.nbp.designer.io.gcode.path.GcodePath; | ||
| import com.willwinder.ugs.nbp.designer.io.gcode.path.Segment; | ||
| import com.willwinder.ugs.nbp.designer.io.gcode.path.SegmentType; | ||
| import com.willwinder.ugs.nbp.designer.model.Settings; | ||
| import com.willwinder.universalgcodesender.model.PartialPosition; | ||
| import com.willwinder.universalgcodesender.model.UnitUtils; | ||
| import org.locationtech.jts.geom.Coordinate; | ||
| import org.locationtech.jts.geom.CoordinateXY; | ||
| import org.locationtech.jts.geom.Envelope; | ||
| import org.locationtech.jts.geom.Geometry; | ||
| import org.locationtech.jts.geom.LineString; | ||
| import org.locationtech.jts.geom.MultiPoint; | ||
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| import java.awt.geom.Area; | ||
| import java.util.List; | ||
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| public class SurfaceToolPath extends AbstractToolPath { | ||
| private final Cuttable source; | ||
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| public SurfaceToolPath(Settings settings, Cuttable source) { | ||
| super(settings); | ||
| this.source = source; | ||
| } | ||
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| private List<Geometry> getGeometries() { | ||
| Geometry geometry = ToolPathUtils.convertAreaToGeometry(new Area(source.getShape()), getGeometryFactory()); | ||
| Geometry shell = geometry.buffer(-settings.getToolDiameter() / 2d); | ||
| return List.of(shell); | ||
| } | ||
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| public void appendGcodePath(GcodePath gcodePath, Settings settings) { | ||
| gcodePath.addSegment(new Segment(SegmentType.SEAM, null, null, (int) Math.round(settings.getMaxSpindleSpeed() * (source.getSpindleSpeed() / 100d)), source.getFeedRate())); | ||
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| double stepOver = settings.getToolDiameter() * Math.min(Math.max(0.01, Math.abs(settings.getToolStepOver())), 1.0); | ||
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| List<Geometry> geometries = getGeometries(); | ||
| geometries.forEach(g -> { | ||
| Envelope envelope = g.getEnvelopeInternal(); | ||
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| double currentDepth = getStartDepth(); | ||
| addGeometriesToGcodePath(gcodePath, settings, g, envelope, currentDepth, stepOver); | ||
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| while (currentDepth < getTargetDepth()) { | ||
| currentDepth += settings.getDepthPerPass(); | ||
| if (currentDepth > getTargetDepth()) { | ||
| currentDepth = getTargetDepth(); | ||
| } | ||
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| addGeometriesToGcodePath(gcodePath, settings, g, envelope, currentDepth, stepOver); | ||
| } | ||
| }); | ||
| } | ||
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| private void addGeometriesToGcodePath(GcodePath gcodePath, Settings settings, Geometry g, Envelope envelope, double currentDepth, double stepOver) { | ||
| double currentY = envelope.getMinY(); | ||
| while (currentY <= envelope.getMaxY()) { | ||
| LineString lineString = getGeometryFactory().createLineString(new Coordinate[]{ | ||
| new CoordinateXY(envelope.getMinX(), currentY), | ||
| new CoordinateXY(envelope.getMaxX(), currentY), | ||
| }); | ||
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| addLineIntersectionSegments(gcodePath, g, lineString, currentDepth, settings.getSafeHeight()); | ||
| currentY += stepOver; | ||
| } | ||
| } | ||
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| private void addLineIntersectionSegments(GcodePath gcodePath, Geometry geometry, LineString lineString, double currentDepth, double safeHeight) { | ||
| Geometry intersection = geometry.intersection(lineString); | ||
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| // If the intersection is a multipoint we should not connect the points with a line | ||
| if (intersection instanceof MultiPoint) { | ||
| return; | ||
| } | ||
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| List<PartialPosition> geometryCoordinates = ToolPathUtils.geometryToCoordinates(intersection); | ||
| List<PartialPosition> partialPosition = geometryCoordinates.stream() | ||
| .map(numericCoordinate -> PartialPosition.builder(numericCoordinate).build()).toList(); | ||
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| if (partialPosition.size() > 1) { | ||
| for (int i = 0; i + 1 < partialPosition.size(); i += 2) { | ||
| PartialPosition startPosition = partialPosition.get(i); | ||
| PartialPosition endPosition = partialPosition.get(i + 1); | ||
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| // Make sure we are working from left to right | ||
| if (startPosition.getX() > endPosition.getX()) { | ||
| startPosition = partialPosition.get(i + 1); | ||
| endPosition = partialPosition.get(i); | ||
| } | ||
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| gcodePath.addSegment(SegmentType.MOVE, PartialPosition.builder(UnitUtils.Units.MM).setZ(safeHeight).build()); | ||
| gcodePath.addSegment(SegmentType.MOVE, startPosition); | ||
| gcodePath.addSegment(SegmentType.MOVE, PartialPosition.builder(UnitUtils.Units.MM).setZ(0d).build()); | ||
| gcodePath.addSegment(SegmentType.POINT, PartialPosition.builder(UnitUtils.Units.MM).setZ(-currentDepth).build()); | ||
| gcodePath.addSegment(SegmentType.LINE, endPosition, source.getFeedRate()); | ||
| } | ||
| } | ||
| } | ||
| } |
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