diff -ru spack-src/GOURMET/src/java/platform/show.org/JOGLCanvasBase.java spack-src/GOURMET/src/java/platform/show/JOGLCanvasBase.java
--- spack-src/GOURMET/src/java/platform/show.org/JOGLCanvasBase.java	2022-03-02 10:49:48.000000000 +0900
+++ spack-src/GOURMET/src/java/platform/show/JOGLCanvasBase.java	2022-03-02 10:50:36.000000000 +0900
@@ -7,24 +7,24 @@
 package platform.show;
 
 /* JOGL v2.2.4 */
-import javax.media.opengl.GL;
-import javax.media.opengl.GLAutoDrawable;
+//import javax.media.opengl.GL;
+//import javax.media.opengl.GLAutoDrawable;
 // JOGL V1.*
 //import javax.media.opengl.GLCanvas;
 // JOGL V2.*
 //import javax.media.opengl.awt.GLCanvas;
-import javax.media.opengl.awt.GLJPanel;
+//import javax.media.opengl.awt.GLJPanel;
 // JOGL V1.* or V2.* 
-import javax.media.opengl.GLCapabilities;
-import javax.media.opengl.GLContext;
-import javax.media.opengl.GLEventListener;
+//import javax.media.opengl.GLCapabilities;
+//import javax.media.opengl.GLContext;
+//import javax.media.opengl.GLEventListener;
 // JOGL V2.*
-import javax.media.opengl.GLProfile;
+//import javax.media.opengl.GLProfile;
 
-/* JOGL v2.3.2 *
+/* JOGL v2.3.2 */
 import com.jogamp.opengl.*;
 import com.jogamp.opengl.awt.GLJPanel;
-*/
+
 /**
  * Common GLCanvas Class
  */
diff -ru spack-src/GOURMET/src/java/platform/show.org/JOGLCanvas.java spack-src/GOURMET/src/java/platform/show/JOGLCanvas.java
--- spack-src/GOURMET/src/java/platform/show.org/JOGLCanvas.java	2022-03-02 10:49:48.000000000 +0900
+++ spack-src/GOURMET/src/java/platform/show/JOGLCanvas.java	2022-03-02 10:41:56.000000000 +0900
@@ -15,14 +15,15 @@
 import java.util.LinkedList;
 import java.util.List;
 
-/* JOGL v2.2.4 */
+/* JOGL v2.2.4 *
 import javax.media.opengl.GLAutoDrawable;
 import javax.media.opengl.GLCapabilities;
+*/
 
-/* JOGL v2.3.2 *
+/* JOGL v2.3.2 */
 import com.jogamp.opengl.GLAutoDrawable;
 import com.jogamp.opengl.GLCapabilities;
-*/
+
 import platform.util.DataDriver;
 import platform.util.IndexArraySet;
 import platform.util.NativeDrawObject;
diff -ru spack-src/GOURMET/src/java/platform/show.org/PickingCanvas.java spack-src/GOURMET/src/java/platform/show/PickingCanvas.java
--- spack-src/GOURMET/src/java/platform/show.org/PickingCanvas.java	2022-03-02 10:49:48.000000000 +0900
+++ spack-src/GOURMET/src/java/platform/show/PickingCanvas.java	2022-03-02 10:41:56.000000000 +0900
@@ -14,12 +14,13 @@
 import java.awt.event.MouseMotionListener;
 import java.util.ArrayList;
 
-/* JOGL v2.2.4 */
+/* JOGL v2.2.4 *
 import javax.media.opengl.GLCapabilities;
+*/
 
-/* JOGL v2.3.2 *
+/* JOGL v2.3.2 */
 import com.jogamp.opengl.GLCapabilities;
-*/
+
 import javax.swing.SwingUtilities;
 
 import platform.util.IndexArraySet;
--- spack-src/GOURMET/src/java/platform/show/PickingCanvas.java.org	2022-03-02 11:50:02.000000000 +0900
+++ spack-src/GOURMET/src/java/platform/show/PickingCanvas.java	2022-03-02 11:52:57.000000000 +0900
@@ -341,7 +341,7 @@
 		// Begin of drawing process.
 		if(!makeCurrent()) return null;
 		// for HiDPI display
-		int[] scale = getCurrentSurfaceScale(new int[2]); /* int -> float in later version */
+		float[] scale = getCurrentSurfaceScale(new float[2]);
 		x *= scale[0];
 		y *= scale[1];
 		////////////////////////////////////////////////////////