javax.media.jai.iterator.RandomIter.getPixel()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中javax.media.jai.iterator.RandomIter.getPixel方法的一些代码示例，展示了RandomIter.getPixel的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。RandomIter.getPixel方法的具体详情如下：
包路径：javax.media.jai.iterator.RandomIter
类名称：RandomIter
方法名：getPixel

RandomIter.getPixel介绍

暂无

代码示例

代码示例来源：origin: geotools/geotools

public double[] getPixel(int x, int y, double[] dArray) {
  return delegate.getPixel(x, y, dArray);
}

代码示例来源：origin: geotools/geotools

public float[] getPixel(int x, int y, float[] fArray) {
  return delegate.getPixel(x, y, fArray);
}

代码示例来源：origin: geotools/geotools

public int[] getPixel(int x, int y, int[] iArray) {
  return delegate.getPixel(x, y, iArray);
}

代码示例来源：origin: geotools/geotools

it.getPixel(c, r, pixel);
cursor.init(pixel);

代码示例来源：origin: geotools/geotools

for (int r = 0; r < height; r++) {
  for (int c = 0; c < width; c++) {
    it1.getPixel(c, r, components);
    px1.init(components);
    it2.getPixel(c, r, components);
    px2.init(components);

代码示例来源：origin: com.googlecode.jaitools/jt-utils

private void extendAsDouble(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  double[] pixel = new double[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        raster.setPixel(x, y, pixel);
      }
    }
  }
}

代码示例来源：origin: org.jaitools/jt-utils

private void extendAsFloat(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  float[] pixel = new float[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        raster.setPixel(x, y, pixel);
      }
    }
  }
}

代码示例来源：origin: org.jaitools/jt-utils

private void extendAsInt(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  int[] pixel = new int[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        raster.setPixel(x, y, pixel);
      }
    }
  }
}

代码示例来源：origin: org.jaitools/jt-utils

private void extendAsDouble(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  double[] pixel = new double[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        raster.setPixel(x, y, pixel);
      }
    }
  }
}

代码示例来源：origin: com.googlecode.jaitools/jt-utils

private void extendAsInt(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  int[] pixel = new int[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        raster.setPixel(x, y, pixel);
      }
    }
  }
}

代码示例来源：origin: com.googlecode.jaitools/jt-utils

private void extendAsFloat(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  float[] pixel = new float[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        raster.setPixel(x, y, pixel);
      }
    }
  }
}

代码示例来源：origin: org.jaitools/jt-utils

private void extendAsByte(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  int[] pixel = new int[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        for (int b = 0; b < raster.getNumBands(); b++) {
          raster.setSample(x, y, b, pixel[b] & 0xff);
        }
      }
    }
  }
}

代码示例来源：origin: org.jaitools/jt-utils

private void extendAsUShort(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  int[] pixel = new int[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        for (int b = 0; b < raster.getNumBands(); b++) {
          raster.setSample(x, y, b, pixel[b] & 0xffff);
        }
      }
    }
  }
}

代码示例来源：origin: com.googlecode.jaitools/jt-utils

private void extendAsUShort(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  int[] pixel = new int[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        for (int b = 0; b < raster.getNumBands(); b++) {
          raster.setSample(x, y, b, pixel[b] & 0xffff);
        }
      }
    }
  }
}

代码示例来源：origin: com.googlecode.jaitools/jt-utils

private void extendAsByte(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  int[] pixel = new int[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        for (int b = 0; b < raster.getNumBands(); b++) {
          raster.setSample(x, y, b, pixel[b] & 0xff);
        }
      }
    }
  }
}

代码示例来源：origin: com.googlecode.jaitools/jt-utils

private void extendAsShort(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  int[] pixel = new int[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        for (int b = 0; b < raster.getNumBands(); b++) {
          raster.setSample(x, y, b, clamp(pixel[b], Short.MIN_VALUE, Short.MAX_VALUE));
        }
      }
    }
  }
}

代码示例来源：origin: org.jaitools/jt-utils

private void extendAsShort(WritableRaster raster, PlanarImage sourceImage) {
  Rectangle bounds = sourceImage.getBounds();
  Rectangle samplingBounds = new Rectangle(0, 0, 2 * maxDistance + 1, 2 * maxDistance + 1);
  RandomIter srcIter = RandomIterFactory.create(sourceImage, bounds);
  int[] pixel = new int[raster.getNumBands()];
  for (int y = raster.getMinY(), ny = 0; ny < raster.getHeight(); y++, ny++) {
    for (int x = raster.getMinX(), nx = 0; nx < raster.getWidth(); x++, nx++) {
      if (!bounds.contains(x, y)) {
        samplingBounds.setLocation(x - maxDistance, y - maxDistance);
        Rectangle sourceSamplingBounds = samplingBounds.intersection(bounds);
        int sx = rand.nextInt(sourceSamplingBounds.width) + sourceSamplingBounds.x;
        int sy = rand.nextInt(sourceSamplingBounds.height) + sourceSamplingBounds.y;
        srcIter.getPixel(sx, sy, pixel);
        for (int b = 0; b < raster.getNumBands(); b++) {
          raster.setSample(x, y, b, clamp(pixel[b], Short.MIN_VALUE, Short.MAX_VALUE));
        }
      }
    }
  }
}

代码示例来源：origin: geosolutions-it/jai-ext

/** Method for testing the selected input RandomIter on an Integral image */
public void testRandomIterInt(RenderedImage img, int[] valueArray, boolean cachedTiles,
    boolean arrayCalculation) {
  RandomIter iter = RandomIterFactory.create(img, null, cachedTiles, arrayCalculation);
  int[] array = new int[3];
  // Store of the image data calculated
  for (int i = 0; i < indexArray.length; i++) {
    int x = indexArray[i][0];
    int y = indexArray[i][1];
    int valueExpected = iter.getSample(x, y, 0);
    assertEquals(valueExpected, valueArray[i]);
    int valueExpectedArray = iter.getPixel(x, y, array)[0];
    assertEquals(valueExpectedArray, valueArray[i]);
  }
}

代码示例来源：origin: geosolutions-it/jai-ext

/** Method for testing the selected input RandomIter on a Double image */
public void testRandomIterDouble(RenderedImage img, double[] valueArray, boolean cachedTiles,
    boolean arrayCalculation) {
  RandomIter iter = RandomIterFactory.create(img, null, cachedTiles, arrayCalculation);
  double[] array = new double[3];
  // Store of the image data calculated
  for (int i = 0; i < indexArray.length; i++) {
    int x = indexArray[i][0];
    int y = indexArray[i][1];
    double valueExpected = iter.getSampleDouble(x, y, 0);
    assertEquals(valueExpected, valueArray[i], DELTA);
    double valueExpectedArray = iter.getPixel(x, y, array)[0];
    assertEquals(valueExpectedArray, valueArray[i], DELTA);
  }
}

代码示例来源：origin: geosolutions-it/jai-ext

/** Method for testing the selected input RandomIter on a Float image */
public void testRandomIterFloat(RenderedImage img, float[] valueArray, boolean cachedTiles,
    boolean arrayCalculation) {
  RandomIter iter = RandomIterFactory.create(img, null, cachedTiles, arrayCalculation);
  float[] array = new float[3];
  // Store of the image data calculated
  for (int i = 0; i < indexArray.length; i++) {
    int x = indexArray[i][0];
    int y = indexArray[i][1];
    float valueExpected = iter.getSampleFloat(x, y, 0);
    assertEquals(valueExpected, valueArray[i], DELTA);
    float valueExpectedArray = iter.getPixel(x, y, array)[0];
    assertEquals(valueExpectedArray, valueArray[i], DELTA);
  }
}

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