Added viewer for raw binary images from C/GPU

src/main/java/Eyesis_Correction.java

@@ -641,6 +641,7 @@ private Panel panel1,
 			addButton("JCUDA TEST",                 panelClt_GPU);
 			addButton("TF TEST",                    panelClt_GPU);
 			addButton("Rig8 gpu",                   panelClt_GPU, color_conf_process);
+			addButton("ShowGPU",                    panelClt_GPU, color_conf_process);
 			add(panelClt_GPU);
 		}
 
@@ -4584,6 +4585,13 @@ private Panel panel1,
     	EYESIS_CORRECTIONS.setDebug(DEBUG_LEVEL);
     	getPairImages2Gpu();
     	return;
+/* ======================================================================== */
+    } else if (label.equals("ShowGPU")) {
+        DEBUG_LEVEL=MASTER_DEBUG_LEVEL;
+    	EYESIS_CORRECTIONS.setDebug(DEBUG_LEVEL);
+    	showImageFromGPU();
+    	return;
+//
 /* ======================================================================== */
     } else if (label.equals("RIG extrinsics")) {
         DEBUG_LEVEL=MASTER_DEBUG_LEVEL;
@@ -5129,6 +5137,12 @@ private Panel panel1,
 		return true;
 	}
 
+	public boolean showImageFromGPU(){
+//		TWO_QUAD_CLT.showImageFromGPU();
+		TwoQuadCLT.showImageFromGPU();
+		return true;
+	}
+
 	public boolean getPairImages2Gpu() {
 		if (!prepareRigImages()) return false;
 		String configPath=getSaveCongigPath();

src/main/java/TwoQuadCLT.java

@@ -22,13 +22,16 @@
  */
 import java.io.DataOutputStream;
 import java.io.File;
+import java.io.FileInputStream;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStream;
 import java.nio.ByteBuffer;
 import java.nio.ByteOrder;
+import java.nio.FloatBuffer;
 import java.nio.channels.Channels;
+import java.nio.channels.FileChannel;
 import java.nio.channels.WritableByteChannel;
 import java.nio.file.Files;
 import java.nio.file.StandardCopyOption;
@@ -912,6 +915,57 @@ public class TwoQuadCLT {
 		return results;
 	}
 
+	public static void showImageFromGPU() {
+		int width =  2592+8;
+		int height = 1936+8;
+		int l = width*height;
+		String path = "/home/eyesis/workspace-python3/nvidia_dct8x8/clt/main_chn0.rbg";
+		String [] titles= {"R","B","G"};
+		float [] img_rbg = getFloatsFromFile(path);
+		float [][] img = new float [3][l];
+		for(int nc = 0; nc < 3; nc++) {
+			System.arraycopy(img_rbg, l * nc, img[nc], 0 ,l);
+		}
+
+		(new showDoubleFloatArrays()).showArrays(
+				img,
+				width,
+				height,
+				true,
+				"RBG",
+				titles);
+
+	}
+
+	public static float [] getFloatsFromFile(String filepath) {
+		float [] fdata  = null;
+		try {
+			FileInputStream inFile = new FileInputStream(filepath);
+//			DataInputStream din = new DataInputStream(inFile);
+			FileChannel inChannel = inFile.getChannel();
+			int cl = (int) inChannel.size();
+			ByteBuffer buffer = ByteBuffer.allocateDirect(cl); //1024*1024*60);
+			buffer.order(ByteOrder.LITTLE_ENDIAN);
+			buffer.clear();
+			inChannel.read(buffer);
+			buffer.flip();
+			FloatBuffer fb = buffer.asFloatBuffer();
+			fdata = new float[fb.limit()];
+			fb.get(fdata);
+//			fdata = fb.array();
+			inFile.close();
+		} catch (FileNotFoundException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		} catch (IOException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+		return fdata;
+
+	}
+
 	public void saveFloatKernels(String file_prefix,
 			                     double [][][][][][] clt_kernels,
 			                     double [][][]       image_data,