4 removed + 3 modified, total 7 files
CDMS/src/CDMS/Partridge
diff -u -r1.1 -r1.2
--- ImageIOTest.java 28 Jul 2010 17:32:08 -0000 1.1
+++ ImageIOTest.java 4 Oct 2010 22:51:16 -0000 1.2
@@ -18,9 +18,10 @@
public static void main(String[] args) throws IOException {
- String dir = "c:/CDMS/IZipG47_Side1_Al/";
- String fname = "IZipG47_Side1_Al-";
- String oname = "IZipG47_Side1_Al-";
+ String idir = "f:/CDMS/IZipG16K_Side2/";
+ String odir = "c:/CDMS/IZipG16K_Side2/";
+ String fname = "IZipG16K_Side2-";
+ String oname = "IZipG16K_Side2-";
String itype = "BMP";
String otype = "png";
@@ -28,10 +29,11 @@
int last = 8585;
for (int inum = first; inum <= last; inum++) {
- BufferedImage image = ImageIO.read(new File(dir+fname+inum+"."+itype));
+ BufferedImage image = ImageIO.read(new File(idir+fname+inum+"."+itype));
+ if (inum % 100 == 0) System.out.println("Processing file "+inum);
int onum = inum - first + 1;
- File outfile = new File(dir+fname+inum+"."+otype);
+ File outfile = new File(odir+fname+inum+"."+otype);
ImageIO.write(image, otype, outfile);
}
CDMS/src/CDMS/Partridge
diff -u -r1.1 -r1.2
--- ImageNavigator.java 28 Jul 2010 17:32:08 -0000 1.1
+++ ImageNavigator.java 4 Oct 2010 22:51:16 -0000 1.2
@@ -57,9 +57,27 @@
// process("c:/CDMS/IZIPG18M_LR_75x3/Autorun_IZipG18M_LR_75x3_11May10.txt",
// "c:/CDMS/IZIPG18M_LR_75x3/", "IZipG18M_LR_75x3-", 1, "IZip G18M LR x75.3",
// "11 May 2010");
- process("c:/CDMS/IZipG47_Side1_Al/Autorun_IZipG47_Side1_Al_23July10.txt",
- "c:/CDMS/IZipG47_Side1_Al/", "IZipG47_Side1_Al-", 1, "IZip G47 Side 1 Al",
- "23 July 2010"); }
+// process("c:/CDMS/IZipG47_Side1_Al/Autorun_IZipG47_Side1_Al_23July10.txt",
+// "c:/CDMS/IZipG47_Side1_Al/", "IZipG47_Side1_Al-", 1, "IZip G47 Side 1 Al",
+// "23 July 2010");
+// process("c:/CDMS/IZipG47_Side1_TES/Autorun_IZipG47_Side1_TES_29July10.txt",
+// "c:/CDMS/IZipG47_Side1_TES/", "IZipG47_Side1_TES-", 1, "IZip G47 Side 1 TES",
+// "29 July 2010");
+// process("c:/CDMS/IZipG47_Side2_TES/Autorun_IZipG47_Side2_TES_30July10.txt",
+// "c:/CDMS/IZipG47_Side2_TES/", "IZipG47_Side2_TES-", 1, "IZip G47 Side 2 TES",
+// "30 July 2010");
+// process("f:/CDMS/IZipG47_Side1_PKG/Autorun_IZipG47_Side1_PKG_10Aug2010.txt",
+// "c:/CDMS/IZipG47_Side1_PKG/", "IZipG47_Side1_PKG-", 1, "IZip G47 Side 1 Packaged",
+// "10 August 2010");
+// process("f:/CDMS/IZipG47_Side2_PKG/Autorun_IZipG47_Side2_PKG_10Aug2010.txt",
+// "c:/CDMS/IZipG47_Side2_PKG/", "IZipG47_Side2_PKG-", 1, "IZip G47 Side 2 Packaged",
+// "10 August 2010"); }
+ process("c:/CDMS/IZipG16K_Side1/Autorun_IZipG16K_Side1_7Sep2010.txt",
+ "c:/CDMS/IZipG16K_Side1/", "IZipG16K_Side1-", 1, "IZip G16K Side 1",
+ "7 September 2010");
+ process("c:/CDMS/IZipG16K_Side2/Autorun_IZipG16K_Side2_7Sep2010.txt",
+ "c:/CDMS/IZipG16K_Side2/", "IZipG16K_Side2-", 1, "IZip G16K Side 2",
+ "7 September 2010"); }
/**
*
CDMS/src/CDMS/Partridge
diff -u -r1.1 -r1.2
--- ProcessImage.java 28 Jul 2010 17:32:08 -0000 1.1
+++ ProcessImage.java 4 Oct 2010 22:51:16 -0000 1.2
@@ -5,8 +5,10 @@
package CDMS.Partridge;
+import CDMS.Partridge.ImageUtils.InterpolatePixelIntensity;
+import CDMS.Partridge.ImageUtils.TransformedPixelArray;
import java.io.IOException;
-import org.lcsim.util.aida.AIDA;
+//import org.lcsim.util.aida.AIDA;
/**
*
@@ -14,21 +16,21 @@
*/
public class ProcessImage {
- private AIDA aida = AIDA.defaultInstance();
+// private AIDA aida = AIDA.defaultInstance();
public ProcessImage() {
}
- public void HistDeviations(int border, PixelArray testpix, Image test, PixelArray refpix, Image ref) {
- InterpolatePixelIntensity interpolate = new InterpolatePixelIntensity(ref, refpix, testpix);
+ public void HistDeviations(int border, TransformedPixelArray testpix, Image test, TransformedPixelArray refpix, Image ref) {
+// InterpolatePixelIntensity interpolate = new InterpolatePixelIntensity(ref, refpix, testpix);
int height = test.getHeight();
int width = test.getWidth();
for (int i=border; i<height-border; i++) {
for (int j=border; j<width-border; j++) {
double itest = test.getIntensity(i, j);
- double iref = interpolate.Interpolate(testpix.getPixel(i, j));
- aida.histogram1D("Intensity Difference", 340, -170., 170.).fill(itest-iref);
- aida.histogram2D("itest vs iref", 170, 0., 170., 170, 0., 170.).fill((itest), iref);
+// double iref = interpolate.Interpolate(testpix.getPixel(i, j));
+// aida.histogram1D("Intensity Difference", 340, -170., 170.).fill(itest-iref);
+// aida.histogram2D("itest vs iref", 170, 0., 170., 170, 0., 170.).fill((itest), iref);
}
}
}
@@ -37,12 +39,12 @@
for (int i=0; i<image.getHeight(); i++) {
for (int j=1; j<image.getWidth(); j++) {
double intensity = image.getIntensity(i, j);
- aida.histogram1D(title, 170, 0., 170.).fill(intensity);
+// aida.histogram1D(title, 170, 0., 170.).fill(intensity);
}
}
}
public void CloseFile() throws IOException {
- aida.saveAs("c:/CDMS/intensity.aida");
+// aida.saveAs("c:/CDMS/intensity.aida");
}
}
\ No newline at end of file
CDMS/src/CDMS/Partridge
diff -N CompareImages.java
--- CompareImages.java 28 Jul 2010 17:32:08 -0000 1.1
+++ /dev/null 1 Jan 1970 00:00:00 -0000
@@ -1,94 +0,0 @@
-/*
- * To change this template, choose Tools | Templates
- * and open the template in the editor.
- */
-package CDMS.Partridge;
-
-import Partridge.*;
-import org.freehep.math.minuit.FCNBase;
-
-/**
- *
- * @author richp
- */
-public class CompareImages implements FCNBase {
-
- private Image _test;
- private Image _ref;
- private Image _dif;
- private int _height;
- private int _width;
- private double _eps = 1.e-6;
- private int _calls = 0;
- private WriteBMP _writer = new WriteBMP();
-
- public CompareImages(Image test, Image ref) {
- _test = test;
- _ref = ref;
- _height = ref.getHeight();
- _width = ref.getWidth();
-
- // Check that the images are the same size
- if (test.getHeight() != _height ||
- test.getWidth() != _width) {
- throw new RuntimeException("Images are different size");
- }
- }
-
- public double valueOf(double[] args) {
-
- // Get the variables we are minimizing
- double hoffset = args[0];
- double voffset = args[1];
- double rotang = args[2];
- int border = (int) Math.round(args[3]);
-
- _calls++;
-
- // Setup pixel arrays for the reference image and the test image
- PixelArray refpix = new PixelArray(0., 0., 0., 1., _width, _height);
- PixelArray testpix = new PixelArray(hoffset, voffset, rotang, 1., _width, _height);
-
- // Setup the pixel interpolation
- InterpolatePixelIntensity interpolate = new InterpolatePixelIntensity(_ref, refpix, testpix);
-
- double chisq = 0.;
-// _dif = new Image(_height - 2 * _border, _width - 2 * _border);
-
- // Loop over pixels in the test image, leaving off the border pixels that might not
- // have corresponding reference pixels
- for (int row = border; row < _height - border; row++) {
- for (int col = border; col < _width - border; col++) {
-
- // Find the interpolated reference intensity for this test pixel
- int pixel = testpix.getPixel(row, col);
- double ipred = interpolate.Interpolate(pixel);
-
- // Compare with the intensity of the test pixel
- double itest = _test.getIntensity(row, col);
- chisq += (itest - ipred) * (itest - ipred);
-// int red = 0;
-// int blue = 0;
-// int green = 0;
-// if (itest > ipred) {
-// red = (int) (itest - ipred);
-// }
-// if (itest < ipred) {
-// green = (int) (ipred - itest);
-// }
-// _dif.setPixel(row - _border, col - _border, red, green, blue);
- }
- }
-
-// String filename = "c:/CDMS/difimage"+_calls+".bmp";
-// _writer.WriteImage(_dif, filename);
-
- System.out.println("hoff: " + hoffset + " voff: " + voffset + " rotang: " + rotang + " chisq: " + chisq/1000.);
- return chisq / 1000.;
- }
-
- public Image getImage() {
- return _dif;
- }
-
-}
CDMS/src/CDMS/Partridge
diff -N ImageAnalysis.java
--- ImageAnalysis.java 28 Jul 2010 17:32:08 -0000 1.1
+++ /dev/null 1 Jan 1970 00:00:00 -0000
@@ -1,96 +0,0 @@
-/*
- * To change this template, choose Tools | Templates
- * and open the template in the editor.
- */
-package CDMS.Partridge;
-
-import java.io.IOException;
-import org.freehep.math.minuit.FunctionMinimum;
-import org.freehep.math.minuit.MnMigrad;
-import org.freehep.math.minuit.MnSimplex;
-import org.freehep.math.minuit.MnUserParameters;
-
-/**
- *
- * @author richp
- */
-public class ImageAnalysis {
-
- public static void main(String[] args) throws IOException {
-
- // Set the file names of the test and reference images
- String test_file = "c:/CDMS/ChargeDivisionUR_24-2_1.bmp";
-// String test_file = "c:/CDMS/MedLightSide.bmp";
-// String test_file = "c:/CDMS/Comparison.bmp";
- String ref_file = "c:/CDMS/ChargeDivisionUR_23-2_1.bmp";
-
- // Read in the image files
- ReadBMP reader = new ReadBMP();
- WriteBMP writer = new WriteBMP();
- Image test = reader.ReadImage(test_file);
- Image ref = reader.ReadImage(ref_file);
- writer.WriteImage(ref, "c:/CDMS/testimage.bmp");
-
- // Instantiate the image comparison class with these images
- CompareImages comp = new CompareImages(test, ref);
-
- MnUserParameters pars = new MnUserParameters();
- pars.add("xoff", 0.234, 0.0, -10., 10.);
- pars.add("yoff", 0.090, 0.0, -10., 10.);
- pars.add("angle", 0.006, .0002, -0.05, 0.05);
- pars.add("border", 20., 0.);
- pars.fix(0);
- pars.fix(1);
- pars.fix(2);
- pars.fix(3);
-
- MnSimplex minimize = new MnSimplex(comp, pars);
-
-// MnMigrad minimize = new MnMigrad(comp, pars);
-
- FunctionMinimum fcnmin = minimize.minimize();
- MnUserParameters finalpars = fcnmin.userParameters();
- double hoff = finalpars.value(0);
- double voff = finalpars.value(1);
- double rotang = finalpars.value(2);
- int border = (int) Math.round(finalpars.value(3));
-
- int width = test.getWidth();
- int height = test.getHeight();
- PixelArray testpix = new PixelArray(hoff, voff, rotang, 1., width, height);
- PixelArray refpix = new PixelArray(0., 0., 0., 1., width, height);
- InterpolatePixelIntensity interpolate = new InterpolatePixelIntensity(ref, refpix, testpix);
- Image output = new Image(width - 2 * border, height - 2 * border);
-
- for (int i=border; i<height-border; i++) {
- for (int j=border; j<width-border; j++) {
- double itest = test.getIntensity(i, j);
- double iref = interpolate.Interpolate(testpix.getPixel(i, j));
- int red = test.getRed(i, j);
- int green = test.getGreen(i, j);
- int blue = test.getBlue(i, j);
- if (itest - iref > 50) {
- red = 255;
- green = 0;
- blue = 0;
- }
- if (iref - itest > 50) {
- red = 0;
- green = 255;
- blue = 0;
- }
- output.setPixel(i-border, j-border, red, green, blue);
- }
- }
- String filename = "c:/CDMS/outputimage.bmp";
- writer.WriteImage(output, filename);
-
- ProcessImage process = new ProcessImage();
- process.HistIntensity("Test Intensity", test);
- process.HistIntensity("Reference Intensity", ref);
- process.HistDeviations(border, testpix, test, refpix, ref);
- process.CloseFile();
-
- System.out.println("horiz offset: "+hoff+" vert offset: "+voff+" rot angle: "+rotang);
- }
-}
CDMS/src/CDMS/Partridge
diff -N InterpolatePixelIntensity.java
--- InterpolatePixelIntensity.java 28 Jul 2010 17:32:08 -0000 1.1
+++ /dev/null 1 Jan 1970 00:00:00 -0000
@@ -1,184 +0,0 @@
-/*
- * To change this template, choose Tools | Templates
- * and open the template in the editor.
- */
-
-package CDMS.Partridge;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- *
- * @author richp
- */
-public class InterpolatePixelIntensity {
-
- private Image _ref;
- private PixelArray _refpix;
- private PixelArray _testpix;
- private double _eps = 1.e-12;
-
- public InterpolatePixelIntensity(Image ref, PixelArray refpix, PixelArray testpix) {
- _ref = ref;
- _refpix = refpix;
- _testpix = testpix;
- }
-
- public double Interpolate(int pixel) {
-
- // Find the center of the current test pixel
- double[] testcenter = _testpix.getCenter(pixel);
-
- // Find the reference pixel containing the center of the test pixel
- int refcenter = _refpix.getPixel(testcenter[0], testcenter[1]);
-
- // Get the list of reference pixels to check for overlaps
- List<Integer> refnbrs = _refpix.getNeighbors(refcenter);
-
- // Initialize the pixel area and weighted intensity sums
- double totarea = 0.;
- double intensity = 0.;
-
- // Loop over the list of reference pixels
- for (Integer nbr : refnbrs) {
-
- // Create a list for vertices of the overlap region between this ref pixel and the test pixel
- List<double[]> vertices = new ArrayList<double[]>();
-
- // Loop over the reference pixel vertices and see if the reference vertex
- // is inside the test pixel. If so add it to the list of vertices (don't
- // worry about duplicate vertices - they contribute no additional polygon area
- for (int i = 0; i < 4; i++) {
- double[] vtx = _refpix.getVertex(i, nbr);
- if (_testpix.Inside(pixel, vtx)) vertices.add(vtx);
- }
-
- // Now loop over the test pixel vertices
- for (int i = 0; i < 4; i++) {
- double[] vtx = _testpix.getVertex(i, pixel);
- if (_refpix.Inside(nbr, vtx)) vertices.add(vtx);
- }
-
- // Finally, find any vertices produced by intersections of pixel edges
- for (int i1=0; i1<4; i1++) {
- int i2 = (i1 + 1) % 4;
- double[] vt1 = _testpix.getVertex(i1, pixel);
- double[] vt2 = _testpix.getVertex(i2, pixel);
- for (int j1=0; j1<4; j1++) {
- int j2 = (j1 + 1) % 4;
- double[] vr1 = _refpix.getVertex(j1, nbr);
- double[] vr2 = _refpix.getVertex(j2, nbr);
- double[] vtx = findIntersection(vt1, vt2, vr1, vr2);
- if (vtx != null) vertices.add(vtx);
- }
- }
-
- // If there are no vertices, the test pixel and this reference pixel don't overlap
- if (vertices.size() == 0) continue;
-
- // Find the area of overlap between the test pixel and this reference neighbor pixel
- double area = getArea(vertices);
- totarea += area;
-
- // Take the interpolated intensity to be the sum of the reference neighbor intensities
- // weighted by the overlap area
- int refrow = _refpix.getRow(nbr);
- int refcol = _refpix.getCol(nbr);
- intensity += area * _ref.getIntensity(refrow, refcol);
- }
-
- // Check to make sure the total pixel area is unity
- if (Math.abs(totarea - 1.) > Math.sqrt(_eps)) {
- System.out.println(" ***** Grand total area: "+totarea+" *****");
- throw new RuntimeException("area sum error");
- }
-
- return intensity;
- }
-
- private double[] findIntersection(double[] vt1, double[] vt2, double[] vr1, double[] vr2) {
-
- // Find the variables defining the line between vt1 and vt2
- double a1 = vt2[1] - vt1[1];
- double b1 = vt1[0] - vt2[0];
- double c1 = a1 * vt1[0] + b1 * vt1[1];
-
- // Find the variables defining the line between vr1 and vr2
- double a2 = vr2[1] - vr1[1];
- double b2 = vr1[0] - vr2[0];
- double c2 = a2 * vr1[0] + b2 * vr1[1];
-
- // Calculate the determinant, check for parallel lines
- double det = a1 * b2 - a2 * b1;
- if (Math.abs(det) < _eps) return null;
-
- // Find the intersection using the determinant method
- double x = (b2 * c1 - b1 * c2) / det;
- double y = (a1 * c2 - a2 * c1) / det;
-
- // Check that the x coordinate of the intersection is on the line segment
- if (x < Math.min(vt1[0], vt2[0]) - _eps || x > Math.max(vt1[0], vt2[0]) + _eps) return null;
- if (x < Math.min(vr1[0], vr2[0]) - _eps || x > Math.max(vr1[0], vr2[0]) + _eps) return null;
-
- // Also check y in case the line is vertical
- if (y < Math.min(vt1[1], vt2[1]) - _eps || y > Math.max(vt1[1], vt2[1]) + _eps) return null;
- if (y < Math.min(vr1[1], vr2[1]) - _eps || y > Math.max(vr1[1], vr2[1]) + _eps) return null;
-
- double[] cross = {x, y};
- return cross;
- }
-
- private double getArea(List<double[]> polygon) {
-
- // Check that we have at least 3 polygon vertices
- int nv = polygon.size();
- if (nv < 3) return 0.;
-
- // Order the vertices so that adjacent vertices describe a line segment in the
- // polygon
- OrderVertices(polygon);
-
- // Find the area of the polygon (see, for example, http://local.wasp.uwa.edu.au/~pbourke/geometry/polyarea/)
- double area = 0.;
- for (int i = 0; i < nv; i++) {
- int j = (i + 1) % nv;
- double[] p0 = polygon.get(i);
- double[] p1 = polygon.get(j);
- double darea = 0.5 * (p0[0] * p1[1] - p1[0] * p0[1]);
- area += darea;
- }
- return Math.abs(area);
- }
-
- private double[] PseudoCentroid(List<double[]> polygon) {
-
- // Find a point within the convex polygon by averaging the coordinates of all vertices
- double[] pcent = {0., 0.};
- int nv = polygon.size();
- for (double[] point : polygon) {
- pcent[0] += point[0] / nv;
- pcent[1] += point[1] / nv;
- }
- return pcent;
- }
-
- private void OrderVertices(List<double[]> polygon) {
-
- // Take as an origin a point within the polygon and order the polygon vertices according to their azimuthal angle
- double[] pcent = PseudoCentroid(polygon);
- int nv = polygon.size();
- for (int i = 0; i < nv - 1; i++) {
- for (int j = i + 1; j < nv; j++) {
- // phi1 calcuation must stay inside loop because of possible re-ordering
- double phi1 = Math.atan2(polygon.get(i)[1] - pcent[1], polygon.get(i)[0] - pcent[0]);
- double phi2 = Math.atan2(polygon.get(j)[1] - pcent[1], polygon.get(j)[0] - pcent[0]);
- if (phi1 > phi2) {
- double[] temp = polygon.get(j);
- polygon.set(j, polygon.get(i));
- polygon.set(i, temp);
- }
- }
- }
- }
-}
CDMS/src/CDMS/Partridge
diff -N PixelArray.java
--- PixelArray.java 28 Jul 2010 17:32:08 -0000 1.1
+++ /dev/null 1 Jan 1970 00:00:00 -0000
@@ -1,146 +0,0 @@
-/*
- * To change this template, choose Tools | Templates
- * and open the template in the editor.
- */
-
-package CDMS.Partridge;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- *
- * @author richp
- */
-public class PixelArray {
-
- private double _x0;
- private double _y0;
- private double _rotang;
- private double _size;
- private int _nx;
- private int _ny;
- private double _xc;
- private double _yc;
- private double _u[] = new double[2];
- private double _v[] = new double[2];
- private double[] _xv = new double[4];
- private double[] _yv = new double[4];
-
- public PixelArray(double x0, double y0, double rotang, double size, int nx, int ny) {
-
- // Save the parameters that define the pixel array
- _x0 = x0;
- _y0 = y0;
- _rotang = rotang;
- _size = size;
- _nx = nx;
- _ny = ny;
-
- // Get unit vectors along the col (u) and row (v) directions
- double cphi = Math.cos(rotang);
- double sphi = Math.sin(rotang);
- _u[0] = cphi;
- _u[1] = sphi;
- _v[0] = -sphi;
- _v[1] = cphi;
-
- // Find the coordinates of the LL pixel given offsets x0, y0 specified for
- // the center pixel
- double xll = _x0 + 0.5 * _size * (_nx * (1 - _u[0]) - _ny * _v[0]);
- double yll = _y0 + 0.5 * _size * (_ny * (1 - _v[1]) - _nx * _u[1]);
-
- // Find the vertices of pixel 0 whose LL corner is at the origin
- // Vertices are stored in a clockwise direction
- _xv[0] = xll;
- _yv[0] = yll;
- _xv[1] = xll + _size * _v[0];
- _yv[1] = yll + _size * _v[1];
- _xv[2] = xll + _size * (_u[0] + _v[0]);
- _yv[2] = yll + _size * (_u[1] + _v[1]);
- _xv[3] = xll + _size * _u[0];
- _yv[3] = yll + _size * _u[1];
-
- // Find the center
- _xc = (_xv[0] + _xv[2]) / 2.;
- _yc = (_yv[0] + _yv[2]) / 2.;
- }
-
- public double[] getCenter(int pixel) {
- int row = getRow(pixel);
- int col = getCol(pixel);
- double[] center = new double[2];
- center[0] = _xc + _size * (col * _u[0] + row * _v[0]);
- center[1] = _yc + _size * (col * _u[1] + row * _v[1]);
- return center;
- }
-
- public boolean Inside(int pixel, double[] vtx0) {
- for (int i=0; i<4; i++) {
- int j = (i+1) % 4;
- double[] vtx1 = getVertex(i, pixel);
- double[] vtx2 = getVertex(j, pixel);
- if (twicearea(vtx1[0], vtx1[1], vtx2[0], vtx2[1], vtx0[0], vtx0[1]) < 0.) return false;
- }
- return true;
- }
-
- public double[] getVertex(int ivtx, int pixel) {
- int row = getRow(pixel);
- int col = getCol(pixel);
- double[] vtx = new double[2];
- vtx[0] = _xv[ivtx] + _size * (col * _u[0] + row * _v[0]);
- vtx[1] = _yv[ivtx] + _size * (col * _u[1] + row * _v[1]);
- return vtx;
- }
-
- public int getRow(int pixel) {
- int row = pixel / _nx;
- if (row < 0 || row >= _ny) throw new RuntimeException("Invalid pixel number");
- return row;
- }
-
- public int getCol(int pixel) {
- int col = pixel % _nx;
- if (col < 0 || col >= _nx) throw new RuntimeException("Invalid pixel number");
- return col;
- }
-
- public int getPixel(int row, int col) {
- if (row < 0 || row >= _ny) throw new RuntimeException("Invalid row number");
- if (col < 0 || col >= _nx) throw new RuntimeException("Invalid col number");
- return row * _nx + col;
- }
-
- public int getPixel(double x, double y) {
- int col = (int) Math.round(((x-_xc)*_u[0] + (y-_yc)*_u[1]) / _size);
- int row = (int) Math.round(((x-_xc)*_v[0] + (y-_yc)*_v[1]) / _size);
- return getPixel(row, col);
- }
-
- public int getNRow() {
- return _ny;
- }
-
- public int getNCol() {
- return _nx;
- }
-
- public List<Integer> getNeighbors(int pixel) {
- List<Integer> nbrs = new ArrayList<Integer>();
- int row = getRow(pixel);
- int col = getCol(pixel);
- for (int irow=row-1; irow<row+2; irow++) {
- if (irow < 0 || irow >= _ny) continue;
- for (int icol=col-1; icol<col+2; icol++) {
- if (icol < 0 || icol > _nx) continue;
- nbrs.add(getPixel(irow, icol));
- }
- }
- return nbrs;
- }
-
- private double twicearea(double x1, double y1, double x2, double y2, double x3, double y3) {
- return (x3*y2 - x2*y3) - (x3*y1 - x1*y3) + (x2*y1 - x1*y2);
- }
-}
CVSspam 0.2.8
