ensure Bounds can be serialized and stored

build.gradle

@@ -108,6 +108,7 @@ dependencies {
 	// triangulation algorithm
 	implementation group: 'org.locationtech.jts', name: 'jts-core', version: '1.19.0'
 
+	implementation 'com.google.code.gson:gson:2.5'
 
 }
 

src/main/java/eu/mihosoft/vrl/v3d/Bounds.java

@@ -5,6 +5,8 @@
  */
 package eu.mihosoft.vrl.v3d;
 
+import com.google.gson.annotations.Expose;
+
 // TODO: Auto-generated Javadoc
 /**
  * Bounding box for CSGs.
@@ -14,21 +16,27 @@
 public class Bounds {
 
     /** The center. */
+	@Expose (serialize = true, deserialize = true)
     private final Vector3d center;
 
     /** The bounds. */
+	@Expose (serialize = true, deserialize = true)
     private final Vector3d bounds;
 
     /** The min. */
+	@Expose (serialize = true, deserialize = true)
     private final Vector3d min;
 
     /** The max. */
+	@Expose (serialize = true, deserialize = true)
     private final Vector3d max;
 
     /** The csg. */
+	@Expose (serialize = false, deserialize = false)
     private CSG csg;
 
     /** The cube. */
+	@Expose (serialize = false, deserialize = false)
     private Cube cube;
 
     /**

src/main/java/eu/mihosoft/vrl/v3d/Vector3d.java

@@ -39,14 +39,32 @@
 import static java.lang.Math.min;
 import java.util.Random;
 
+import com.google.gson.annotations.Expose;
+
 // TODO: Auto-generated Javadoc
 /**
  * 3D Vector3d.
  *
  * @author Michael Hoffer <[email protected]>
  */
-public class Vector3d extends javax.vecmath.Vector3d{
+public class Vector3d {
+    /**
+     * The x coordinate.
+     */
+	@Expose (serialize = true, deserialize = true)
+    public	double	x;
+
+    /**
+     * The y coordinate.
+     */
+	@Expose (serialize = true, deserialize = true)
+    public	double	y;
 
+    /**
+     * The z coordinate.
+     */
+	@Expose (serialize = true, deserialize = true)
+    public	double	z;
 
     /**
 	 * 
@@ -67,7 +85,14 @@ public class Vector3d extends javax.vecmath.Vector3d{
 
     /** The Constant Z_ONE. */
     public static final Vector3d Z_ONE = new Vector3d(0, 0, 1);
-
+    /**
+     * Returns the length of this vector.
+     * @return the length of this vector
+     */
+    public double length()
+    {
+        return Math.sqrt(this.x*this.x + this.y*this.y + this.z*this.z);
+    }
     /**
      * Creates a new vector.
      *

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

@@ -0,0 +1,22 @@
+package eu.mihosoft.vrl.v3d;
+
+import java.lang.reflect.Type;
+
+import org.junit.Test;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.reflect.TypeToken;
+
+public class GsonTest {
+	@Test
+	public void runGson() {
+		Type TT_CaDoodleFile = new TypeToken<Bounds>() {
+		}.getType();
+		Gson gson = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting().excludeFieldsWithoutExposeAnnotation()
+				.create();
+		Bounds b = new Cube(100).toCSG().getBounds();
+		String json = gson.toJson(b);
+		System.out.println(json);
+	}
+}