public void Smooth()
{
const float elevation = 10.0f;
const double oneNinth = 1d / 9d;
var source = DataSmoothingTestUtilities.ConstructSingleSubGridElevationSubGridTreeAtOrigin(elevation);
var sourceSubGrid = source.LocateSubGridContaining(SubGridTreeConsts.DefaultIndexOriginOffset, SubGridTreeConsts.DefaultIndexOriginOffset, SubGridTreeConsts.SubGridTreeLevels) as GenericLeafSubGrid <float>;
sourceSubGrid.Should().NotBeNull();
var tools = new ConvolutionTools <float>();
var accum = new ConvolutionAccumulator_Float(CellPassConsts.NullHeight, ConvolutionMaskSize.Mask3X3);
var filter = new double[3, 3] {
{
oneNinth, oneNinth, oneNinth
},
{
oneNinth, oneNinth, oneNinth
},
{
oneNinth, oneNinth, oneNinth
}
};
var smoother = new TreeDataSmoother <float>(tools, ConvolutionMaskSize.Mask3X3, accum,
(accum, size) => new FilterConvolver <float>(accum, filter, NullInfillMode.NoInfill));
var result = smoother.Smooth(source);
var resultSubGrid = result.LocateSubGridContaining(SubGridTreeConsts.DefaultIndexOriginOffset, SubGridTreeConsts.DefaultIndexOriginOffset, SubGridTreeConsts.SubGridTreeLevels) as GenericLeafSubGrid <float>;
resultSubGrid.Should().NotBeNull();
resultSubGrid.Items.Should().BeEquivalentTo(sourceSubGrid.Items);
}
public void Creation()
{
var tools = new ConvolutionTools <float>();
var accum = new ConvolutionAccumulator_Float(CellPassConsts.NullHeight, ConvolutionMaskSize.Mask3X3);
var filter = new double[3, 3];
var smoother = new TreeDataSmoother <float>(tools, ConvolutionMaskSize.Mask3X3, accum,
(acc, size) => new FilterConvolver <float>(accum, filter, NullInfillMode.NoInfill));
smoother.Should().NotBeNull();
smoother.AdditionalBorderSize.Should().Be(3 / 2);
}