testing the spiral sweep with an STL output first

Author: madhephaestus

src/test/java/eu/mihosoft/vrl/v3d/sweepTest.java

@@ -0,0 +1,51 @@
+package eu.mihosoft.vrl.v3d;
+
+import static org.junit.Assert.*;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.List;
+
+import org.junit.Test;
+
+import eu.mihosoft.vrl.v3d.svg.SVGLoad;
+import javafx.scene.text.Font;
+
+public class sweepTest {
+
+	@Test
+	public void test() throws IOException {
+
+		
+		File svg = new File("Test.SVG");
+		if (!svg.exists())
+			throw new RuntimeException("Test file missing!" + svg.getAbsolutePath());
+		SVGLoad s = new SVGLoad(svg.toURI());
+		HashMap<String, List<Polygon>> polys = s.toPolygons();
+		Polygon p = polys.get(polys.keySet().toArray()[0]).get(0);
+		Bounds b = p.getBounds();
+		double sweepTot = 720;
+		double d = sweepTot / 360;
+		int steps = (int) (30 * d);
+		double angle = sweepTot / steps;
+
+		double z = 0* d / steps;
+		double radius = 0;
+		if (angle < 0)
+			angle = -angle;
+		double sprl = 10;
+		Transform centerandAllignedPolygon = new Transform().movex(-b.getMinX()).movey(-b.getMinY());
+		Transform increment = new Transform().rotY(-angle).movey(z);
+		Transform radiusT = new Transform().movex(radius);
+		Polygon transformedP = p.transformed(centerandAllignedPolygon);
+		ITransformProvider pr = (unit,domain)->{
+			return new Transform().movex(sprl*unit*d);
+		};
+		CSG text= Extrude.sweep(transformedP, increment, radiusT, steps,pr).rotx(-90);
+		FileUtil.write(Paths.get("exampleSweep.stl"),
+				text.toStlString());
+	}
+
+}

src/test/java/eu/mihosoft/vrl/v3d/textTest.java

@@ -2,11 +2,16 @@
 
 import static org.junit.Assert.*;
 
+import java.io.File;
 import java.io.IOException;
 import java.nio.file.Paths;
+import java.util.HashMap;
+import java.util.List;
 
 import org.junit.Test;
 
+import eu.mihosoft.vrl.v3d.parametrics.Parameter;
+import eu.mihosoft.vrl.v3d.svg.SVGLoad;
 import javafx.scene.text.Font;
 
 public class textTest {
@@ -20,6 +25,7 @@ public void test() throws IOException {
 		text=new Cube(180,40,10).toCSG().toZMin().toXMin().toYMin().movey(-5).difference(text);
 		FileUtil.write(Paths.get("exampleText.stl"),
 				text.toStlString());
+		
 	}
 
 }