public void RenderPseudoColor(ref WriteableBitmap bmp, short max = -1)
{
var redBand = 11 - 1;
var greenBand = 17 - 1;
var blueBand = 38 - 1;
double[] minMax = new double[2];
_dataset.GetRasterBand(redBand).ComputeRasterMinMax(minMax, 0);
short redMax = (short)(minMax[1]);
_dataset.GetRasterBand(greenBand).ComputeRasterMinMax(minMax, 0);
short greenMax = (short)(minMax[1]);
_dataset.GetRasterBand(blueBand).ComputeRasterMinMax(minMax, 0);
short blueMax = (short)(minMax[1]);
if (max == -1)
{
max = XMath.Max(blueMax, Math.Max(redMax, greenMax));
}
uint[] data = CalculationWrappers.CalculatePseudoColor(_datasetV.View, redBand, greenBand, blueBand, max);
bmp = new WriteableBitmap(new PixelSize(width, height), new Vector(1, 1), Avalonia.Platform.PixelFormat.Rgba8888);
using (var buf = bmp.Lock())
{
IntPtr ptr = buf.Address;
Marshal.Copy((int[])(object)data, 0, ptr, data.Length);
}
}
public void ConvertToByteRepresentation(ref WriteableBitmap bmp, short maxValue)
{
if (maxValue == 0)
{
return;
}
var d = _datasetVByte;
d?.Dispose();
_datasetVByte = null;
uint[] data;
(_datasetVByte, data) = CalculationWrappers.ConvertToByteRepresentation(_datasetV.View, maxValue);
bmp = new WriteableBitmap(new PixelSize(_datasetVByte.Width, _datasetVByte.Height), new Vector(1, 1), Avalonia.Platform.PixelFormat.Rgba8888);
if (data != null)
{
using (var buf = bmp.Lock())
{
IntPtr ptr = buf.Address;
Marshal.Copy((int[])(object)data, 0, ptr, data.Length);
}
}
}
public void RenderScanline(ref WriteableBitmap bmp, int band, int row, int column)
{
var data = CalculationWrappers.CalcScanlineImage(_datasetV.View, band, row, column);
bmp = new WriteableBitmap(new Avalonia.PixelSize(width + depth, height + depth), new Vector(1, 1), Avalonia.Platform.PixelFormat.Rgba8888);
using (var buf = bmp.Lock())
{
IntPtr ptr = buf.Address;
Marshal.Copy((int[])(object)data, 0, ptr, data.Length);
}
}
public void RenderCorrelation(ref WriteableBitmap bmp)
{
int w = width, h = height;
var index = new Index2(w, h);
uint[] data = CalculationWrappers.GetCorrelationMap(index, _datasetV.View);
using (var buf = bmp.Lock())
{
IntPtr ptr = buf.Address;
Marshal.Copy((int[])(object)data, 0, ptr, data.Length);
}
}
public void RenderBand(ref WriteableBitmap bmp, int band)
{
// todo: MinMax should be calculated on GPU
double[] minMax = new double[2];
_dataset.GetRasterBand(band).ComputeRasterMinMax(minMax, 0);
short min = (short)(minMax[0]);
double mult = 255 / (minMax[1] - minMax[0]);
uint[] data = CalculationWrappers.PictureConvertion(_datasetV.View, band, mult, min);
using (var buf = bmp.Lock())
{
IntPtr ptr = buf.Address;
Marshal.Copy((int[])(object)data, 0, ptr, data.Length);
}
}
public BrightnessCalculationData GetBrightnessCalculationData(ref WriteableBitmap bmp)
{
var result = new BrightnessCalculationData();
result = CalculationWrappers.CalculateBrightnessStats(_datasetV.View, result);
bmp = new WriteableBitmap(new PixelSize(result.imageSize.X, result.imageSize.Y), new Vector(1, 1), Avalonia.Platform.PixelFormat.Rgba8888);
using (var buf = bmp.Lock())
{
IntPtr ptr = buf.Address;
Marshal.Copy(result.arrImage, 0, ptr, result.arrImage.Length);
}
return(result);
}
public HistogramData RenderHistogram(ref WriteableBitmap bmp)
{
var histData = new HistogramData();
int w = width, h = height, d = depth;
var index = new Index3(w, h, d);
var histIndex = new Index2(1000, 1000);
var data = CalculationWrappers.GetHistogram(index, _datasetV.View, histIndex, histData);
bmp = new WriteableBitmap(new Avalonia.PixelSize(histIndex.X, histIndex.Y), new Vector(1, 1), Avalonia.Platform.PixelFormat.Rgba8888);
using (var buf = bmp.Lock())
{
IntPtr ptr = buf.Address;
Marshal.Copy((int[])(object)data, 0, ptr, data.Length);
}
return(histData);
}
public void RenderPearsonCorrelation(ref WriteableBitmap bmp, byte lowThreshold = 0, byte highThreshold = 0)
{
var data = CalculationWrappers.CalculatePearsonCorrelation(_datasetVByte, lowThreshold, highThreshold);
using (var img = new WriteableBitmap(new PixelSize(_datasetVByte.Width, _datasetVByte.Height), new Vector(1, 1), Avalonia.Platform.PixelFormat.Rgba8888))
{
string time = DateTime.Now.ToFileTime().ToString();
using (var buf = img.Lock())
{
IntPtr ptr = buf.Address;
Marshal.Copy((int[])(object)data.xyCorrelation, 0, ptr, data.xyCorrelation.Length);
}
img.Save($"{Program.PathToTemp}/PearsonCorrelation_{_datasetVByte.Depth}Bands_{(highThreshold == 0 ? "No" : highThreshold.ToString())}Threshold_{time}.png");
OpenCvSharp.Mat mt = new OpenCvSharp.Mat(height, width, OpenCvSharp.MatType.CV_8U, data.rawPicture);
mt.SaveImage($"{Program.PathToTemp}/PearsonCorrelation_{_datasetVByte.Depth}Bands_{(highThreshold == 0 ? "No" : highThreshold.ToString())}Threshold_{time}.bmp");
}
using (var buf = bmp.Lock())
{
IntPtr ptr = buf.Address;
Marshal.Copy((int[])(object)data.xyCorrelation, 0, ptr, data.xyCorrelation.Length);
}
}
