How to use

JiffleDescriptor

in

it.geosolutions.jaiext.jiffleop

JiffleDescriptor.create(
    sources,
    sourceNames,

  /**
   * Registers the MaskedConvolve operation and its
   * associated image factories across all supported operation modes.
   *
   * @param registry The registry with which to register the operations
   * and their factories.
   */
  public void updateRegistry(OperationRegistry registry) {
    OperationDescriptor op = new JiffleDescriptor();
    registry.registerDescriptor(op);
    String descName = op.getName();
    
    RenderedImageFactory rif = new JiffleRIF();

    registry.registerFactory(RenderedRegistryMode.MODE_NAME,
                 descName,
                 productName,
                 rif);

  }
}

@Test
public void testCopyNonDefaults() {
  RenderedImage src = buildTestImage(10, 10);
  RenderedOp op = JiffleDescriptor.create(new RenderedImage[] {src}, new String[] {"a"}, "b",
      "b = a;", null, DataBuffer.TYPE_BYTE, null, null, null);
  assertCopy(src, op, DataBuffer.TYPE_BYTE);
}

  /**
   * Registers the MaskedConvolve operation and its
   * associated image factories across all supported operation modes.
   *
   * @param registry The registry with which to register the operations
   * and their factories.
   */
  public void updateRegistry(OperationRegistry registry) {
    OperationDescriptor op = new JiffleDescriptor();
    registry.registerDescriptor(op);
    String descName = op.getName();
    
    RenderedImageFactory rif = new JiffleRIF();

    registry.registerFactory(RenderedRegistryMode.MODE_NAME,
                 descName,
                 productName,
                 rif);

  }
}

@Test
public void testCopyDefaults() {
  RenderedImage src = buildTestImage(10, 10);
  RenderedOp op = JiffleDescriptor.create(new RenderedImage[] {src}, null, null,
      "dest = src;", null, null, null, null, null);
  assertCopy(src, op, DataBuffer.TYPE_DOUBLE);
}

@Test
public void testCopyRemappedDefaults() {
  RenderedImage src = buildTestImage(10, 10);
  BandTransform transform = (x, y, b) -> 0;
  RenderedOp op = JiffleDescriptor.create(new RenderedImage[] {src}, null, null,
      "dest = src[10];", null, null, null, new BandTransform[] {transform}, null);
  assertCopy(src, op, DataBuffer.TYPE_DOUBLE);
}

@Test
public void testSum() {
  RenderedImage src1 = buildTestImage(10, 10);
  RenderedImage src2 = buildTestImage(10, 10);
  RenderedOp op = JiffleDescriptor.create(new RenderedImage[] {src1, src2}, new String[] {"a", "b"}, "res",
      "res = a + b;", null, DataBuffer.TYPE_INT, null, null, null);
  // check same size and expected 
  assertEquals(src1.getMinX(), op.getMinX());
  assertEquals(src1.getWidth(), op.getWidth());
  assertEquals(src1.getMinY(), op.getMinY());
  assertEquals(src1.getHeight(), op.getHeight());
  assertEquals(DataBuffer.TYPE_INT, op.getSampleModel().getDataType());
  RandomIter srcIter = RandomIterFactory.create(src1, null);
  RandomIter opIter = RandomIterFactory.create(op, null);
  for(int y = src1.getMinY(); y < src1.getMinY() + src1.getHeight(); y++) {
    for(int x = src1.getMinX(); x < src1.getMinX() + src1.getWidth(); x++) {
      double expected = srcIter.getSampleDouble(x, y, 0) * 2;
      double actual = opIter.getSampleDouble(x, y, 0);
      assertEquals(expected, actual, 0d);
    }
  }
}