Determinant fix

README.md

@@ -1,42 +1,51 @@
 <img src="https://worldwind.arc.nasa.gov/img/nasa-logo.svg" height="100"/>
 
-# WorldWind Java
+# WorldWind Java - Community Edition (WWJ-CE)
 
-```
-WorldWind team would like to inform you that starting May 3, 2019, NASA WorldWind project will be
-suspended. All the WorldWind servers providing elevation and imagery will be unavailable. While you
-can still download the SDKs from GitHub, there will be no technical support. If you have questions
-and/or concerns, please feel free to email at:
-
-[email protected]
-```
+[![Build Status](https://travis-ci.com/WorldWindEarth/WorldWindJava.svg?branch=develop)](https://travis-ci.com/WorldWindEarth/WorldWindJava)
 
-[![Build Status](https://travis-ci.com/NASAWorldWind/WorldWindJava.svg?branch=develop)](https://travis-ci.com/NASAWorldWind/WorldWindJava)
+WWJ-CE is community supported fork of the ubiquitous [WorldWind Java SDK](https://github.com/NASAWorldWind/WorldWindJava)
+from NASA. 
 
-3D virtual globe API for desktop Java, developed by NASA. Provides a geographic context with high-resolution terrain, for visualizing geographic or geo-located information in 3D and 2D. Developers can customize the globe's terrain and imagery. Provides a collection of shapes for displaying and interacting with geographic data and representing a range of geometric objects.
+WorldWind Java is a 3D virtual globe API for desktop Java, developed by NASA. It provides a geographic 
+context with high-resolution terrain, for visualizing geographic or geo-located information in 3D and 2D. 
+Developers can customize the globe's terrain and imagery. The SDK provides a collection of shapes for 
+displaying and interacting with geographic data and representing a range of geometric objects.
 
-- [worldwind.arc.nasa.gov](https://worldwind.arc.nasa.gov) has setup instructions, developers guides, API documentation and more
+- [worldwind.arc.nasa.gov/java](https://worldwind.arc.nasa.gov/java) has setup instructions, developers guides, API documentation and more
 - [WorldWind Forum](https://forum.worldwindcentral.com) provides help from the WorldWind community
 - [IntelliJ IDEA](https://www.jetbrains.com/idea) is used by the NASA WorldWind development team
 
+## Notice from NASA
+On March 8, 2019, NASA announced a suspension of the WorldWind project.  
+
+> WorldWind team would like to inform you that starting May 3, 2019, NASA WorldWind project will be
+> suspended. All the WorldWind servers providing elevation and imagery will be unavailable. While you
+> can still download the SDKs from GitHub, there will be no technical support. If you have questions
+> and/or concerns, please feel free to email at:
+> 
+> [email protected]
+
+WWJ-CE seeks to mitigate the effects of the suspension and continue the development of WorldWind Java.
+
 ## Releases and Roadmap
 
 Official WorldWind Java releases have the latest stable features, enhancements and bug fixes ready for production use.
 
-- [GitHub Releases](https://github.com/NASAWorldWind/WorldWindJava/releases/) documents official releases
-- [GitHub Milestones](https://github.com/NASAWorldWind/WorldWindJava/milestones) documents upcoming releases and the development roadmap
-- [Travis CI](https://travis-ci.com/NASAWorldWind/WorldWindJava) provides continuous integration and build automation
+- [GitHub Releases](https://github.com/WorldWindEarth/WorldWindJava/releases/) documents official releases
+- [GitHub Milestones](https://github.com/WorldWindEarth/WorldWindJava/milestones) documents upcoming releases and the development roadmap
+- [Travis CI](https://travis-ci.com/WorldWindEarth/WorldWindJava) provides continuous integration and build automation
 
 ## Run a Demo 
 
 ###### From a Web Browser
 
 - [WorldWind Demo App](https://worldwind.arc.nasa.gov/java/latest/webstart/ApplicationTemplate.jnlp) shows WorldWind's basic capabilities
-- [Java Demos](https://goworldwind.org/demos) has a complete list of example apps
+- [Java Demos](https://worldwind.arc.nasa.gov/java/demos/) has a complete list of example apps
 
 ###### From a Windows Development Environment
 
-- Download and extract the [Latest Release](https://github.com/NASAWorldWind/WorldWindJava/releases/latest)
+- Download and extract the [Latest Release](https://github.com/WorldWindEarth/WorldWindJava/releases/latest)
 - Open the Command Prompt
 ```bash
 cd [WorldWind release]
@@ -45,7 +54,7 @@ run-demo.bat
 
 ###### From a Linux or macOS Development Environment
 
-- Download and extract the [Latest Release](https://github.com/NASAWorldWind/WorldWindJava/releases/latest)
+- Download and extract the [Latest Release](https://github.com/WorldWindEarth/WorldWindJava/releases/latest)
 - Open the Terminal app
 ```bash
 cd [WorldWind release]

src/com/zebraimaging/ZebraInputHandler.java

@@ -3,7 +3,7 @@
 import gov.nasa.worldwind.WorldWindow;
 import gov.nasa.worldwind.awt.*;
 
-import javax.media.opengl.awt.GLCanvas;
+import com.jogamp.opengl.awt.GLCanvas;
 import java.awt.*;
 import java.awt.event.*;
 import java.util.*;

src/gov/nasa/worldwind/AbstractSceneController.java

@@ -15,7 +15,7 @@
 import gov.nasa.worldwind.terrain.*;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 import java.awt.*;
 import java.util.*;
 import java.util.List;

src/gov/nasa/worldwind/Configuration.java

@@ -11,7 +11,7 @@
 import gov.nasa.worldwind.util.*;
 import org.w3c.dom.*;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 import javax.xml.xpath.*;
 import java.io.*;
 import java.util.*;
@@ -659,7 +659,7 @@ public static GLProfile getMaxCompatibleGLProfile()
     }
 
     /**
-     * Returns a {@link javax.media.opengl.GLCapabilities} identifying graphics features required by WorldWind. The
+     * Returns a {@link com.jogamp.opengl.GLCapabilities} identifying graphics features required by World Wind. The
      * capabilities instance returned requests the maximum OpenGL profile supporting GL fixed function operations, a
      * frame buffer with 8 bits each of red, green, blue and alpha, a 24-bit depth buffer, double buffering, and if the
      * Java property "gov.nasa.worldwind.stereo.mode" is set to "device", device supported stereo.

src/gov/nasa/worldwind/StereoOptionSceneController.java

@@ -10,7 +10,7 @@
 import gov.nasa.worldwind.geom.Angle;
 import gov.nasa.worldwind.render.DrawContext;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 
 /**
  * TODO: This file needs to be updated to implement "correct" stereo, as described at:

src/gov/nasa/worldwind/WorldWind.java

@@ -14,7 +14,7 @@
 import gov.nasa.worldwind.util.*;
 
 import javax.imageio.spi.IIORegistry;
-import javax.media.opengl.GL;
+import com.jogamp.opengl.GL;
 import java.beans.PropertyChangeListener;
 import java.util.logging.Level;
 

src/gov/nasa/worldwind/WorldWindow.java

@@ -13,7 +13,7 @@
 import gov.nasa.worldwind.pick.PickedObjectList;
 import gov.nasa.worldwind.util.PerformanceStatistic;
 
-import javax.media.opengl.GLContext;
+import com.jogamp.opengl.GLContext;
 import java.util.*;
 
 /**

src/gov/nasa/worldwind/WorldWindowGLAutoDrawable.java

@@ -16,8 +16,8 @@
 import gov.nasa.worldwind.util.*;
 import gov.nasa.worldwind.util.dashboard.DashboardController;
 
-import javax.media.opengl.*;
-import javax.media.opengl.awt.AWTGLAutoDrawable;
+import com.jogamp.opengl.*;
+import com.jogamp.opengl.awt.AWTGLAutoDrawable;
 import javax.swing.*;
 import java.awt.*;
 import java.awt.event.*;

src/gov/nasa/worldwind/WorldWindowGLDrawable.java

@@ -8,7 +8,7 @@
 
 import gov.nasa.worldwind.cache.*;
 
-import javax.media.opengl.GLAutoDrawable;
+import com.jogamp.opengl.GLAutoDrawable;
 
 /**
  * @author tag

src/gov/nasa/worldwind/awt/AWTInputHandler.java

@@ -11,7 +11,7 @@
 import gov.nasa.worldwind.pick.*;
 import gov.nasa.worldwind.util.Logging;
 
-import javax.media.opengl.awt.GLJPanel;
+import com.jogamp.opengl.awt.GLJPanel;
 import javax.swing.event.*;
 import java.awt.*;
 import java.awt.event.*;

src/gov/nasa/worldwind/awt/WorldWindowGLCanvas.java

@@ -14,8 +14,8 @@
 import gov.nasa.worldwind.pick.PickedObjectList;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
-import javax.media.opengl.awt.GLCanvas;
+import com.jogamp.opengl.*;
+import com.jogamp.opengl.awt.GLCanvas;
 import java.awt.*;
 import java.beans.*;
 import java.util.*;
@@ -88,8 +88,8 @@ public WorldWindowGLCanvas()
      *
      * @param shareWith a <code>WorldWindow</code> with which to share graphics resources.
      *
-     * @see GLCanvas#GLCanvas(javax.media.opengl.GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser,
-     *      javax.media.opengl.GLContext, java.awt.GraphicsDevice)
+     * @see GLCanvas#GLCanvas(com.jogamp.opengl.GLCapabilitiesImmutable, com.jogamp.opengl.GLCapabilitiesChooser,
+     *      com.jogamp.opengl.GLContext, java.awt.GraphicsDevice)
      */
     public WorldWindowGLCanvas(WorldWindow shareWith)
     {
@@ -128,8 +128,8 @@ public WorldWindowGLCanvas(WorldWindow shareWith)
      * @param device    the <code>GraphicsDevice</code> on which to create the window. May be null, in which case the
      *                  default screen device of the local {@link GraphicsEnvironment} is used.
      *
-     * @see GLCanvas#GLCanvas(javax.media.opengl.GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser,
-     *      javax.media.opengl.GLContext, java.awt.GraphicsDevice)
+     * @see GLCanvas#GLCanvas(com.jogamp.opengl.GLCapabilitiesImmutable, com.jogamp.opengl.GLCapabilitiesChooser,
+     *      com.jogamp.opengl.GLContext, java.awt.GraphicsDevice)
      */
     public WorldWindowGLCanvas(WorldWindow shareWith, java.awt.GraphicsDevice device)
     {
@@ -172,8 +172,8 @@ public WorldWindowGLCanvas(WorldWindow shareWith, java.awt.GraphicsDevice device
      * @param chooser      a chooser object that customizes the specified capabilities. May be null, in which case a
      *                     default chooser is used.
      *
-     * @see GLCanvas#GLCanvas(javax.media.opengl.GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser,
-     *      javax.media.opengl.GLContext, java.awt.GraphicsDevice)
+     * @see GLCanvas#GLCanvas(com.jogamp.opengl.GLCapabilitiesImmutable, com.jogamp.opengl.GLCapabilitiesChooser,
+     *      com.jogamp.opengl.GLContext, java.awt.GraphicsDevice)
      */
     public WorldWindowGLCanvas(WorldWindow shareWith, java.awt.GraphicsDevice device,
         GLCapabilities capabilities, GLCapabilitiesChooser chooser)

src/gov/nasa/worldwind/awt/WorldWindowGLJPanel.java

@@ -14,8 +14,8 @@
 import gov.nasa.worldwind.pick.PickedObjectList;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
-import javax.media.opengl.awt.GLJPanel;
+import com.jogamp.opengl.*;
+import com.jogamp.opengl.awt.GLJPanel;
 import java.beans.*;
 import java.util.*;
 
@@ -87,8 +87,8 @@ public WorldWindowGLJPanel()
      *
      * @param shareWith a <code>WorldWindow</code> with which to share graphics resources.
      *
-     * @see GLJPanel#GLJPanel(javax.media.opengl.GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser,
-     *      javax.media.opengl.GLContext)
+     * @see GLJPanel#GLJPanel(com.jogamp.opengl.GLCapabilitiesImmutable, com.jogamp.opengl.GLCapabilitiesChooser,
+     *      com.jogamp.opengl.GLContext)
      */
     public WorldWindowGLJPanel(WorldWindow shareWith)
     {
@@ -130,8 +130,8 @@ public WorldWindowGLJPanel(WorldWindow shareWith)
      * @param chooser      a chooser object that customizes the specified capabilities. May be null, in which case a
      *                     default chooser is used.
      *
-     * @see GLJPanel#GLJPanel(javax.media.opengl.GLCapabilitiesImmutable, javax.media.opengl.GLCapabilitiesChooser,
-     *      javax.media.opengl.GLContext)
+     * @see GLJPanel#GLJPanel(com.jogamp.opengl.GLCapabilitiesImmutable, com.jogamp.opengl.GLCapabilitiesChooser,
+     *      com.jogamp.opengl.GLContext)
      */
     public WorldWindowGLJPanel(WorldWindow shareWith, GLCapabilities capabilities,
         GLCapabilitiesChooser chooser)

src/gov/nasa/worldwind/cache/BasicGpuResourceCache.java

@@ -9,7 +9,7 @@
 import com.jogamp.opengl.util.texture.Texture;
 import gov.nasa.worldwind.util.Logging;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 import java.util.logging.Level;
 
 /**

src/gov/nasa/worldwind/formats/shapefile/ShapefileExtrudedPolygons.java

@@ -14,7 +14,7 @@
 import gov.nasa.worldwind.terrain.Terrain;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 import java.awt.*;
 import java.nio.*;
 import java.util.*;

src/gov/nasa/worldwind/formats/shapefile/ShapefilePolygons.java

@@ -16,8 +16,8 @@
 import gov.nasa.worldwind.util.*;
 import gov.nasa.worldwind.util.combine.*;
 
-import javax.media.opengl.*;
-import javax.media.opengl.glu.*;
+import com.jogamp.opengl.*;
+import com.jogamp.opengl.glu.*;
 import java.awt.*;
 import java.beans.*;
 import java.nio.*;

src/gov/nasa/worldwind/formats/shapefile/ShapefilePolylines.java

@@ -15,7 +15,7 @@
 import gov.nasa.worldwind.render.*;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 import java.awt.*;
 import java.nio.*;
 import java.util.*;

src/gov/nasa/worldwind/formats/vpf/VPFSurfaceArea.java

@@ -11,8 +11,8 @@
 import gov.nasa.worldwind.render.*;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
-import javax.media.opengl.glu.*;
+import com.jogamp.opengl.*;
+import com.jogamp.opengl.glu.*;
 import java.nio.IntBuffer;
 import java.util.*;
 

src/gov/nasa/worldwind/formats/vpf/VPFSurfaceLine.java

@@ -10,7 +10,7 @@
 import gov.nasa.worldwind.render.*;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 import java.util.*;
 
 /**

src/gov/nasa/worldwind/geom/Box.java

@@ -10,7 +10,7 @@
 import gov.nasa.worldwind.render.*;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 import java.util.*;
 
 /**

src/gov/nasa/worldwind/geom/Cylinder.java

@@ -10,8 +10,8 @@
 import gov.nasa.worldwind.render.*;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
-import javax.media.opengl.glu.*;
+import com.jogamp.opengl.*;
+import com.jogamp.opengl.glu.*;
 import java.util.*;
 
 /**

src/gov/nasa/worldwind/geom/Matrix.java

@@ -2061,7 +2061,7 @@ public final double getDeterminant()
                 + this.m24 * (this.m31 * this.m42 - this.m41 * this.m32));
         // Columns 1, 2, 3.
         result -= this.m14 *
-            (this.m21 * (this.m32 * this.m43 - this.m42 - this.m33)
+            (this.m21 * (this.m32 * this.m43 - this.m42 * this.m33)
                 - this.m22 * (this.m31 * this.m43 - this.m41 * this.m33)
                 + this.m23 * (this.m31 * this.m42 - this.m41 * this.m32));
         return result;

src/gov/nasa/worldwind/geom/Sphere.java

@@ -9,8 +9,8 @@
 import gov.nasa.worldwind.render.*;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.GL2;
-import javax.media.opengl.glu.*;
+import com.jogamp.opengl.GL2;
+import com.jogamp.opengl.glu.*;
 
 /**
  * Represents a sphere in three dimensional space. <p/> Instances of <code>Sphere</code> are immutable. </p>

src/gov/nasa/worldwind/geom/Triangle.java

@@ -7,7 +7,7 @@
 
 import gov.nasa.worldwind.util.Logging;
 
-import javax.media.opengl.GL;
+import com.jogamp.opengl.GL;
 import java.nio.*;
 import java.util.*;
 

src/gov/nasa/worldwind/layers/CachedRenderableLayer.java

@@ -12,7 +12,7 @@
 import gov.nasa.worldwind.render.*;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 import java.util.Collection;
 
 /**

src/gov/nasa/worldwind/layers/CompassLayer.java

@@ -15,7 +15,7 @@
 import gov.nasa.worldwind.util.*;
 import gov.nasa.worldwind.view.orbit.OrbitView;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 import java.awt.*;
 import java.io.*;
 

src/gov/nasa/worldwind/layers/CrosshairLayer.java

@@ -12,7 +12,7 @@
 import gov.nasa.worldwind.render.*;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 import java.awt.*;
 import java.io.*;
 

src/gov/nasa/worldwind/layers/RenderableLayer.java

@@ -12,7 +12,7 @@
 import gov.nasa.worldwind.render.*;
 import gov.nasa.worldwind.util.Logging;
 
-import javax.media.opengl.GL2;
+import com.jogamp.opengl.GL2;
 import java.util.*;
 import java.util.concurrent.ConcurrentLinkedQueue;
 

src/gov/nasa/worldwind/layers/ScalebarLayer.java

@@ -11,7 +11,7 @@
 import gov.nasa.worldwind.render.*;
 import gov.nasa.worldwind.util.*;
 
-import javax.media.opengl.*;
+import com.jogamp.opengl.*;
 import java.awt.*;
 import java.awt.geom.*;