protected void setValue(int pos, int val) {
int b = (int) (pos / (width * height));
pos -= b * width * height;
int y = (int) (pos / width);
int x = pos % width;
outImage.setSample(x, y, b, val);
}
protected void setValue(int pos, int sign, int tt) {
int s = (sign == QuadOutputStream.PLUS) ? 1 : -1;
int b = (int) (pos / (width * height));
pos -= b * width * height;
int y = (int) (pos / width);
int x = pos % width;
outImage.setSample(x, y, b, s * tt);
}
/** Simple method for image creation */
private static RenderedImage createTestImage(
int dataType, int width, int height, Number noDataValue, int bands) {
// This values could be used for fill all the image
byte valueB = 64;
short valueUS = Short.MAX_VALUE / 4;
short valueS = -50;
int valueI = 100;
float valueF = (255 / 2) * 5;
double valueD = (255 / 1) * 4;
// parameter block initialization
int tileW = width / 8;
int tileH = height / 8;
int imageDim = width * height;
final SampleModel sm;
Byte crossValueByte = null;
Short crossValueUShort = null;
Short crossValueShort = null;
Integer crossValueInteger = null;
Float crossValueFloat = null;
Double crossValueDouble = null;
int numBands = bands;
if (numBands == 3) {
sm =
new ComponentSampleModel(
dataType, width, height, 3, width, new int[] {0, imageDim, imageDim * 2});
} else {
sm = new ComponentSampleModel(dataType, width, height, 1, width, new int[] {0});
}
switch (dataType) {
case DataBuffer.TYPE_BYTE:
crossValueByte = (Byte) noDataValue;
break;
case DataBuffer.TYPE_USHORT:
crossValueUShort = (Short) noDataValue;
break;
case DataBuffer.TYPE_SHORT:
crossValueShort = (Short) noDataValue;
break;
case DataBuffer.TYPE_INT:
crossValueInteger = (Integer) noDataValue;
break;
case DataBuffer.TYPE_FLOAT:
crossValueFloat = (Float) noDataValue;
break;
case DataBuffer.TYPE_DOUBLE:
crossValueDouble = (Double) noDataValue;
break;
default:
throw new IllegalArgumentException("Wrong data type");
}
// Create the constant operation.
TiledImage used = new TiledImage(sm, tileW, tileH);
for (int b = 0; b < numBands; b++) {
for (int j = 0; j < width; j++) {
for (int k = 0; k < height; k++) {
// Addition of a cross on the image
if (j == k || j == width - k - 1) {
switch (dataType) {
case DataBuffer.TYPE_BYTE:
used.setSample(j, k, b, crossValueByte);
break;
case DataBuffer.TYPE_USHORT:
used.setSample(j, k, b, crossValueUShort);
break;
case DataBuffer.TYPE_SHORT:
used.setSample(j, k, b, crossValueShort);
break;
case DataBuffer.TYPE_INT:
used.setSample(j, k, b, crossValueInteger);
break;
case DataBuffer.TYPE_FLOAT:
used.setSample(j, k, b, crossValueFloat);
break;
case DataBuffer.TYPE_DOUBLE:
used.setSample(j, k, b, crossValueDouble);
break;
default:
throw new IllegalArgumentException("Wrong data type");
}
// If selected, the image could be filled
} else
// a little square of no data on the upper left is inserted
if ((j >= 20) && (j < 50) && (k >= 20) && (k < 50)) {
switch (dataType) {
case DataBuffer.TYPE_BYTE:
used.setSample(j, k, b, 0);
break;
case DataBuffer.TYPE_USHORT:
used.setSample(j, k, b, 0);
break;
case DataBuffer.TYPE_SHORT:
used.setSample(j, k, b, 0);
break;
case DataBuffer.TYPE_INT:
used.setSample(j, k, b, 0);
break;
case DataBuffer.TYPE_FLOAT:
used.setSample(j, k, b, 0);
break;
case DataBuffer.TYPE_DOUBLE:
used.setSample(j, k, b, 0);
break;
default:
throw new IllegalArgumentException("Wrong data type");
}
if ((j >= 30) && (j < 40) && (k >= 20) && (k < 30)) {
switch (dataType) {
case DataBuffer.TYPE_BYTE:
used.setSample(j, k, b, crossValueByte);
break;
case DataBuffer.TYPE_USHORT:
used.setSample(j, k, b, crossValueUShort);
break;
case DataBuffer.TYPE_SHORT:
used.setSample(j, k, b, crossValueShort);
break;
case DataBuffer.TYPE_INT:
used.setSample(j, k, b, crossValueInteger);
break;
case DataBuffer.TYPE_FLOAT:
used.setSample(j, k, b, crossValueFloat);
break;
case DataBuffer.TYPE_DOUBLE:
used.setSample(j, k, b, crossValueDouble);
break;
default:
throw new IllegalArgumentException("Wrong data type");
}
}
} else {
// No Data is set
switch (dataType) {
case DataBuffer.TYPE_BYTE:
used.setSample(j, k, b, valueB + b);
break;
case DataBuffer.TYPE_USHORT:
used.setSample(j, k, b, valueUS + b);
break;
case DataBuffer.TYPE_SHORT:
used.setSample(j, k, b, valueS + b);
break;
case DataBuffer.TYPE_INT:
used.setSample(j, k, b, valueI + b);
break;
case DataBuffer.TYPE_FLOAT:
float data = valueF + b / 3.0f;
used.setSample(j, k, b, data);
break;
case DataBuffer.TYPE_DOUBLE:
double dataD = valueD + b / 3.0d;
used.setSample(j, k, b, dataD);
break;
default:
throw new IllegalArgumentException("Wrong data type");
}
}
}
}
}
return used;
}
