From 4910092ee26b85d72081367ab9cc0aaca3472629 Mon Sep 17 00:00:00 2001
From: Gianpaolo Coro <gianpaolo.coro@isti.cnr.it>
Date: Wed, 26 Feb 2014 15:55:38 +0000
Subject: [PATCH] git-svn-id:
 https://svn.d4science.research-infrastructures.eu/gcube/trunk/data-analysis/EcologicalEngineGeoSpatialExtension@92339
 82a268e6-3cf1-43bd-a215-b396298e98cf

---
 ...sformations.java => VectorOperations.java} | 36 ++++++++++++++++++-
 1 file changed, 35 insertions(+), 1 deletion(-)
 rename src/main/java/org/gcube/dataanalysis/geo/utils/{VectorTransformations.java => VectorOperations.java} (61%)

diff --git a/src/main/java/org/gcube/dataanalysis/geo/utils/VectorTransformations.java b/src/main/java/org/gcube/dataanalysis/geo/utils/VectorOperations.java
similarity index 61%
rename from src/main/java/org/gcube/dataanalysis/geo/utils/VectorTransformations.java
rename to src/main/java/org/gcube/dataanalysis/geo/utils/VectorOperations.java
index 5e29e9b..ffec983 100644
--- a/src/main/java/org/gcube/dataanalysis/geo/utils/VectorTransformations.java
+++ b/src/main/java/org/gcube/dataanalysis/geo/utils/VectorOperations.java
@@ -10,7 +10,7 @@ import ucar.ma2.ArrayByte;
 import ucar.ma2.ArrayDouble;
 import ucar.ma2.IndexIterator;
 
-public class VectorTransformations {
+public class VectorOperations {
 
 	public static ArrayDouble.D2 arrayByte2DArrayDouble(ArrayByte bytes) {
 		int[] shapeD = bytes.getShape();
@@ -62,6 +62,9 @@ public class VectorTransformations {
 			valuesForGrid.add(Double.NaN);
 		}
 
+//		AnalysisLogger.getLogger().debug("Grid contains: "+grid3d.size()+" values");
+//		AnalysisLogger.getLogger().debug("Dataset contains: "+coordinates5d.size()+" values");
+		
 		for (Tuple<Double> coord5d : coordinates5d) {
 			double rx = coord5d.getElements().get(0);
 			double ry = coord5d.getElements().get(1);
@@ -92,4 +95,35 @@ public class VectorTransformations {
 		return Math.sqrt(((x1 - x2) * (x1 - x2)) + ((y1 - y2) * (y1 - y2)) + ((z1 - z2) * (z1 - z2)) + ((t1 - t2) * (t1 - t2)));
 
 	}
+	
+	public static List<Tuple<Double>> generateCoordinateTripletsInBoundingBox(double x1, double x2, double y1, double y2, double z, double xResolution, double yResolution) {
+
+		int ysteps = (int) ((y2 - y1) / yResolution);
+		int xsteps = (int) ((x2 - x1) / xResolution);
+		List<Tuple<Double>> tuples = new ArrayList<Tuple<Double>>();
+		AnalysisLogger.getLogger().debug("Building the points grid according to YRes:" + yResolution + " and XRes:" + xResolution);
+		// build the tuples according to the desired resolution
+		for (int i = 0; i < ysteps + 1; i++) {
+			double y = (i * yResolution) + y1;
+			if (i == ysteps)
+				y = y2;
+			for (int j = 0; j < xsteps + 1; j++) {
+				double x = (j * xResolution) + x1;
+				if (j == xsteps)
+					x = x2;
+				tuples.add(new Tuple<Double>(x, y, z));
+			}
+		}
+		return tuples;
+	}
+	
+	public void applyNearestNeighbor() {
+
+		/*
+		 * AnalysisLogger.getLogger().debug("Applying nearest Neighbor to all the rows"); //apply nearest neighbor to each row AlgorithmConfiguration config = new AlgorithmConfiguration(); config.setConfigPath(configDir); boolean rapidinit = false;
+		 * 
+		 * 
+		 * for (int i=0;i<slice.length;i++){ // AnalysisLogger.getLogger().debug("Checking for unfilled values"); boolean tofill = false; for (int j=0;j<slice[i].length;j++) { if (new Double(slice[i][j]).equals(Double.NaN)) tofill = true; } if (tofill){ if (!rapidinit){ config.initRapidMiner(); rapidinit=true; } AnalysisLogger.getLogger().debug("Filling signal"); double[] ssliced = SignalProcessing.fillSignal(slice[i]); slice[i] = ssliced; } // else // AnalysisLogger.getLogger().debug("Signal yet complete"); }
+		 */
+	}
 }