public void Raster32ConstructorTest()
{
// normal parameters
for (Int32 numberOfBands = 0; numberOfBands < 10; numberOfBands++)
{
for (Int32 numberOfRows = 0; numberOfRows < 1000; numberOfRows += 250)
{
for (Int32 numberOfColumns = 0; numberOfColumns < 1000; numberOfColumns += 250)
{
Raster32 raster = new Raster32(null, numberOfBands, numberOfRows, numberOfColumns, 8, null);
Assert.AreEqual(numberOfBands, raster.NumberOfBands);
Assert.AreEqual(numberOfRows, raster.NumberOfRows);
Assert.AreEqual(numberOfColumns, raster.NumberOfColumns);
Assert.AreEqual(8, raster.RadiometricResolution);
Assert.AreEqual(RasterFormat.Integer, raster.Format);
Assert.IsFalse(raster.IsMapped);
Assert.IsTrue(raster.IsReadable);
Assert.IsTrue(raster.IsWritable);
Assert.IsInstanceOf <RasterFactory>(raster.Factory);
}
}
}
// argument out of range exceptions
Assert.Throws <ArgumentOutOfRangeException>(() => { Raster32 raster = new Raster32(null, -1, 1, 1, 1, null); });
Assert.Throws <ArgumentOutOfRangeException>(() => { Raster32 raster = new Raster32(null, 1, -1, 1, 1, null); });
Assert.Throws <ArgumentOutOfRangeException>(() => { Raster32 raster = new Raster32(null, 1, 1, -1, 1, null); });
Assert.Throws <ArgumentOutOfRangeException>(() => { Raster32 raster = new Raster32(null, 1, 1, 1, -1, null); });
Assert.Throws <ArgumentOutOfRangeException>(() => { Raster32 raster = new Raster32(null, 1, 1, 1, 65, null); });
}
public void Raster32ValueTest()
{
Raster32 raster = new Raster32(null, 3, 9, 27, 32, null);
// single values
for (Int32 bandIndex = 0; bandIndex < raster.NumberOfBands; bandIndex++)
{
for (Int32 rowIndex = 0; rowIndex < raster.NumberOfRows; rowIndex++)
{
for (Int32 k = 0; k < raster.NumberOfColumns; k++)
{
raster.SetValue(rowIndex, k, bandIndex, (UInt32)(bandIndex * rowIndex * k));
Assert.AreEqual(bandIndex * rowIndex * k, raster.GetValue(rowIndex, k, bandIndex), 0);
}
}
}
// multiple values
for (Int32 rowIndex = 0; rowIndex < raster.NumberOfRows; rowIndex++)
{
for (Int32 k = 0; k < raster.NumberOfColumns; k++)
{
raster.SetValues(rowIndex, k, new UInt32[] { (UInt32)rowIndex, (UInt32)k, (UInt32)(rowIndex * k) });
Assert.AreEqual(rowIndex, raster.GetValues(rowIndex, k)[0], 0);
Assert.AreEqual(k, raster.GetValues(rowIndex, k)[1], 0);
Assert.AreEqual(rowIndex * k, raster.GetValues(rowIndex, k)[2], 0);
}
}
// argument out of range exceptions
Assert.Throws <ArgumentOutOfRangeException>(() => raster.GetValue(-1, 0, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => raster.GetValue(raster.NumberOfRows, 0, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => raster.GetValue(0, -1, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => raster.GetValue(0, raster.NumberOfColumns, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => raster.GetValue(0, 0, -1));
Assert.Throws <ArgumentOutOfRangeException>(() => raster.GetValue(0, 0, raster.NumberOfBands));
Assert.Throws <ArgumentOutOfRangeException>(() => raster.SetValue(-1, 0, 0, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => raster.SetValue(raster.NumberOfRows, 0, 0, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => raster.SetValue(0, -1, 0, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => raster.SetValue(0, raster.NumberOfColumns, 0, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => raster.SetValue(0, 0, -1, 0));
Assert.Throws <ArgumentOutOfRangeException>(() => raster.SetValue(0, 0, raster.NumberOfBands, 0));
}
public void Raster32HistogramTest()
{
SparseArray <Int32> histogramValues = new SparseArray <Int32>(UInt32.MaxValue + 1L);
Random random = new Random();
Raster32 raster = new Raster32(null, 1, 100, 100, 32, null);
for (Int32 rowIndex = 0; rowIndex < raster.NumberOfRows; rowIndex++)
{
for (Int32 columnIndex = 0; columnIndex < raster.NumberOfColumns; columnIndex++)
{
UInt32 value = (UInt32)random.Next();
raster.SetValue(rowIndex, columnIndex, 0, value);
histogramValues[value]++;
}
}
for (Int32 valueIndex = 0; valueIndex < raster.GetHistogramValues(0).Count; valueIndex++)
{
Assert.AreEqual(histogramValues[valueIndex], raster.GetHistogramValues(0)[valueIndex]);
}
}
