X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.plant3d%2Fsrc%2Forg%2Fsimantics%2Fplant3d%2Fscenegraph%2FPipelineComponent.java;h=3f393364e3ccf456cc9ab63b53b8c01927ee6278;hb=refs%2Fchanges%2F58%2F3358%2F2;hp=6ddd7a09fc9ba3d68c83fd8bb6c6534d84485619;hpb=53d55c24c779745f188bdb18d32f71d20acb61b2;p=simantics%2F3d.git

diff --git a/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/PipelineComponent.java b/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/PipelineComponent.java
index 6ddd7a09..3f393364 100644
--- a/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/PipelineComponent.java
+++ b/org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/PipelineComponent.java
@@ -14,7 +14,9 @@ import org.simantics.objmap.graph.annotations.RelatedGetObj;
 import org.simantics.objmap.graph.annotations.RelatedSetObj;
 import org.simantics.plant3d.ontology.Plant3D;
 import org.simantics.plant3d.scenegraph.controlpoint.PipeControlPoint;
+import org.simantics.plant3d.scenegraph.controlpoint.PipeControlPoint.Direction;
 import org.simantics.plant3d.scenegraph.controlpoint.PipeControlPoint.PointType;
+import org.simantics.plant3d.scenegraph.controlpoint.PipeControlPoint.PositionType;
 import org.simantics.plant3d.scenegraph.controlpoint.PipingRules;
 
 /**
@@ -386,6 +388,15 @@ public abstract class PipelineComponent extends GeometryNode {
 		}
 		super.remove();
 	}
+	
+	public void removeAndSplit() {
+	    PipeControlPoint pcp = getControlPoint();
+        // Second check is needed, when remove process is initiated from control point.
+        if (pcp != null && pcp.getPipelineComponent() != null) {
+            pcp.removeAndSplit();
+        }
+        super.remove();
+	}
 
 	@Override
 	protected double[] getColor() {
@@ -467,4 +478,116 @@ public abstract class PipelineComponent extends GeometryNode {
 		getControlPoint().getControlPointEnds(p1, p2);
 	}
 	
+	public void getEndDirections(Tuple3d v1, Tuple3d v2) {
+		getControlPoint().getEndDirections(v1, v2);
+	}
+	
+	public void getCentroid(Tuple3d p) {
+		PipeControlPoint pcp = getControlPoint(); 
+		if (pcp == null)
+			throw new IllegalStateException("No centroid defined");
+		
+		switch (pcp.getType()) {
+		case INLINE:
+		case END:
+			// Just return the world location
+			if (!pcp.isSizeChange()) {
+				p.set(pcp.getWorldPosition());
+				return;
+			}
+			
+			// Calculate center of mass for the frustum
+			double r1 = getPipeRun().getPipeDiameter();
+			double r2 = getAlternativePipeRun().getPipeDiameter();
+			
+			Vector3d p1 = new Vector3d(), p2 = new Vector3d();
+			pcp.getInlineControlPointEnds(p1, p2);
+			
+			// Squared sum of radii
+			double r12 = r1 + r2;
+			r12 *= r12;
+			
+			// The larger of the radii form the base of a frustum
+			double rmax = Math.max(r1, r2);
+			
+			// Relative distance from the base of the frustum
+			double h = (r12 + 2*rmax*rmax) / (4 * (r12 - r1*r2));
+			
+			// Relative distance from p1 to p2
+			if (r1 < r2)
+				h = 1 - h;
+			
+			p2.sub(p1);
+			p1.scaleAdd(h, p2);
+			
+			p.set(p1);
+			return;
+		case TURN: {
+			Vector3d loc = pcp.getRealPosition(PositionType.PREVIOUS);
+			
+			double r = getPipeRun().getTurnRadius();
+			double a = pcp.getTurnAngle();
+			double pipeRadius = pcp.getPipeRun().getPipeDiameter() / 2;
+			
+			// Unit vector in inlet flow direction
+			Vector3d inletDir = pcp.getPathLegDirection(Direction.PREVIOUS);
+			inletDir.scale(-1.0);
+			inletDir.normalize();
+			
+			// Normal to both inletDir and turn axis in world coordinates
+			Vector3d outletDir = pcp.getPathLegDirection(Direction.NEXT);
+			Vector3d normal = new Vector3d(inletDir);
+			normal.scaleAdd(-inletDir.dot(outletDir), outletDir);
+			normal.normalize();
+			
+			// Location of turn axis
+			Vector3d center = new Vector3d(normal);
+			center.scaleAdd(r, loc);
+			
+			// Add vector components from axis to centroid
+			double c = r + pipeRadius * pipeRadius / (4 * r);
+			double c1 = c * Math.sin(a) / a;
+			double c2 = c * (1 - Math.cos(a)) / a;
+			normal.scale(-c1);
+			inletDir.scale(c2);
+			center.add(normal);
+			center.add(inletDir);
+		
+			// Return value
+			p.set(center);
+			return;
+		}
+		default:
+			throw new IllegalStateException("No centroid defined");
+		}
+	}
+	
+	public double getVolume() {
+		PipeControlPoint pcp = getControlPoint(); 
+		if (pcp == null)
+			throw new IllegalStateException("No centroid defined");
+		
+		double pipeRadius = getPipeRun().getPipeDiameter() / 2;
+		
+		switch (pcp.getType()) {
+		case INLINE:
+		case END:
+			if (!pcp.isSizeChange()) {
+				// Just return the cylinder volume
+				return pcp.getLength() * Math.PI * pipeRadius * pipeRadius;
+			}
+			
+			// Calculate center of mass for the frustum
+			double r1 = pipeRadius;
+			double r2 = getAlternativePipeRun().getPipeDiameter() / 2;
+			return pcp.getLength() * Math.PI * (r1*r1 + r1*r2 + r2*r2) / 4;
+		case TURN: {
+			double r = getPipeRun().getTurnRadius();
+			double a = pcp.getTurnAngle();
+			return r * a * Math.PI * pipeRadius * pipeRadius;
+		}
+		default:
+			throw new IllegalStateException("No centroid defined");
+		}
+	}
 }