private void panelImageSpectrum_Click(object sender, EventArgs e)
{
#if COMPUTE_RADIAL_SLICE
m_displayHandMadeSpectrum = !m_displayHandMadeSpectrum;
UpdatePanels();
#else
if (openFileDialog.ShowDialog(this) != DialogResult.OK)
{
return;
}
try {
ImageFile noiseImage = new ImageFile(new System.IO.FileInfo(openFileDialog.FileName));
panelImage.Bitmap = noiseImage.AsTiledBitmap((uint)panelImage.Width, (uint)panelImage.Height);
panelImageSpectrum.Bitmap = ComputeSpectrum(noiseImage, 2.0f * noiseImage.Width).AsBitmap;
} catch (Exception) {
}
#endif
}
private void buttonVoidAndCluster_Click(object sender, EventArgs e)
{
uint textureSize = 1U << integerTrackbarControlTexturePOT.Value;
uint randomSeed = (uint)integerTrackbarControlRandomSeed.Value;
if (m_blueNoiseVoidAndCluster != null)
{
m_blueNoiseVoidAndCluster.Dispose();
}
// m_blueNoiseVoidAndCluster = new ImageFile( textureSize, textureSize, PIXEL_FORMAT.R8, new ColorProfile( ColorProfile.STANDARD_PROFILE.sRGB ) );
m_blueNoiseVoidAndCluster = new ImageFile(textureSize, textureSize, PIXEL_FORMAT.R16, new ColorProfile(ColorProfile.STANDARD_PROFILE.LINEAR));
float4[] scanline = new float4[textureSize];
ImageFile graphStatistics = new ImageFile((uint)panelImageSpectrum.Width, (uint)panelImageSpectrum.Height, PIXEL_FORMAT.RGBA8, new ColorProfile(ColorProfile.STANDARD_PROFILE.sRGB));
float4 black = new float4(0, 0, 0, 1);
float2 rangeX = new float2(0, 10000);
// float2 rangeY = new float2( -10, 10 );
// float2 rangeY = new float2( -1, 2 );
float2 rangeY = new float2(0, 1);
float sigma_i = floatTrackbarControlVariance.Value; // Default, recommended value by Ulichney is 1.5
DateTime startTime = DateTime.Now;
this.Enabled = false;
GeneratorVoidAndClusterGPU generator = new GeneratorVoidAndClusterGPU(m_device, (uint)(Math.Log(m_blueNoiseVoidAndCluster.Width) / Math.Log(2.0)));
generator.Generate(randomSeed, sigma_i, 0.025f, (float _progress, float[,] _texture, List <float> _statistics) => {
m_blueNoiseVoidAndCluster.WritePixels((uint X, uint Y, ref float4 _color) => {
float V = _texture[X, Y];
_color.Set(V, V, V, 1.0f);
});
if (m_blueNoiseVoidAndCluster.Width < panelImage.Width)
{
panelImage.Bitmap = m_blueNoiseVoidAndCluster.AsTiledBitmap((uint)panelImage.Width, (uint)panelImage.Height);
}
else
{
panelImage.Bitmap = m_blueNoiseVoidAndCluster.AsBitmap;
}
TimeSpan deltaTime = DateTime.Now - startTime;
labelAnnealingScore.Text = "Time: " + deltaTime.ToString(@"hh\:mm\:ss") + " ► Progress: " + (100.0f * _progress).ToString("G3") + "%";
labelAnnealingScore.Refresh();
Application.DoEvents();
/* // Plot statistics
* int lastX = 0;
* graphStatistics.Clear( float4.One );
* // graphStatistics.PlotGraphAutoRangeY( black, rangeX, ref rangeY, ( float _X ) => {
* graphStatistics.PlotGraph( black, rangeX, rangeY, ( float _X ) => {
* int X = Math.Max( 0, Math.Min( _statistics.Count-1, (int) (_statistics.Count * _X / rangeX.y) ) );
* // return _statistics[X];
*
* // Integrate...
* float sum = 0.0f;
* for ( int x=lastX; x <= X; x++ )
* sum += _statistics[x];
* sum *= X != lastX ? 1.0f / (X - lastX) : 0.0f;
* lastX = X;
*
* return sum;
* } );
* graphStatistics.PlotAxes( black, rangeX, rangeY, 1000.0f, 100.0f );
* panelImageSpectrum.Bitmap = graphStatistics.AsBitmap;
* //*/
// if ( _progress == 1.0f ) {
// using ( System.IO.FileStream S = new System.IO.FileInfo( "indices.txt" ).Create() ) {
// using ( System.IO.StreamWriter W = new System.IO.StreamWriter( S ) ) {
// for ( int i=0; i < _statistics.Count; i++ ) {
// W.WriteLine( (int) Math.Floor( m_blueNoiseVoidAndCluster.Width*m_blueNoiseVoidAndCluster.Height* _statistics[i] ) );
// }
// }
// }
// }
});
this.Enabled = true;
m_blueNoiseVoidAndCluster.Save(new System.IO.FileInfo("BlueNoise" + m_blueNoiseVoidAndCluster.Width + "x" + m_blueNoiseVoidAndCluster.Height + "_VoidAndCluster.png"));
// Quick FFT
panelImageSpectrum.Bitmap = ComputeSpectrum(m_blueNoiseVoidAndCluster, 2.0f * textureSize).AsBitmap;
}
private void buttonSolidAngleAlgorithm_Click(object sender, EventArgs e)
{
uint textureSize = 1U << integerTrackbarControlTexturePOT.Value;
uint dimensions = (uint)integerTrackbarControlVectorDimension.Value;
uint randomSeed = (uint)integerTrackbarControlRandomSeed.Value;
uint iterations = (uint)integerTrackbarControlAnnealingIterations.Value;
if (m_blueNoiseAnnealing != null)
{
m_blueNoiseAnnealing.Dispose();
}
m_blueNoiseAnnealing = new ImageFile(textureSize, textureSize, PIXEL_FORMAT.RGBA8, new ColorProfile(ColorProfile.STANDARD_PROFILE.sRGB));
float4[] scanline = new float4[textureSize];
ImageFile graphStatistics = new ImageFile((uint)panelImageSpectrum.Width, (uint)panelImageSpectrum.Height, PIXEL_FORMAT.RGBA8, new ColorProfile(ColorProfile.STANDARD_PROFILE.sRGB));
float4 black = new float4(0, 0, 0, 1);
float2 rangeX = new float2(0, 10000);
// float2 rangeY = new float2( -10, 10 );
// float2 rangeY = new float2( -1, 2 );
float2 rangeY = new float2(0, 100);
float sigma_i = floatTrackbarControlVariance.Value; // Default, recommended value is 2.1
float sigma_s = 1.0f; // Default, recommended value
// uint notificationIterationsCount = Math.Max( 1U, (uint) (0.025f * iterations) );
uint notificationIterationsCount = 1000;
DateTime startTime = DateTime.Now;
this.Enabled = false;
GeneratorSolidAngleGPU generator = new GeneratorSolidAngleGPU(m_device, (uint)(Math.Log(m_blueNoiseAnnealing.Width) / Math.Log(2.0)), dimensions);
generator.Generate(randomSeed, iterations, sigma_i, sigma_s, radioButtonNeighborMutations.Checked, notificationIterationsCount, (uint _iterationIndex, uint _mutationsRate, float _energyScore, Array _texture, List <float> _statistics) => {
switch (dimensions)
{
case 1: {
float[,] texture = _texture as float[, ];
m_blueNoiseAnnealing.WritePixels((uint X, uint Y, ref float4 _color) => {
float V = texture[X, Y];
_color.Set(V, V, V, 1.0f);
});
break;
}
case 2: {
float2[,] texture = _texture as float2[, ];
m_blueNoiseAnnealing.WritePixels((uint X, uint Y, ref float4 _color) => {
float2 V = texture[X, Y];
_color.Set(V.x, V.y, 0, 1.0f);
});
break;
}
}
if (m_blueNoiseAnnealing.Width < panelImage.Width)
{
panelImage.Bitmap = m_blueNoiseAnnealing.AsTiledBitmap((uint)panelImage.Width, (uint)panelImage.Height);
}
else
{
panelImage.Bitmap = m_blueNoiseAnnealing.AsBitmap;
}
TimeSpan deltaTime = DateTime.Now - startTime;
labelAnnealingScore.Text = "Time: " + deltaTime.ToString(@"hh\:mm\:ss") + " ► Score: " + _energyScore + " - Iterations = " + _iterationIndex + " - Mutations Rate: " + _mutationsRate;
labelAnnealingScore.Refresh();
Application.DoEvents();
/* // Plot statistics
* int lastX = 0;
* graphStatistics.Clear( float4.One );
* // graphStatistics.PlotGraphAutoRangeY( black, rangeX, ref rangeY, ( float _X ) => {
* graphStatistics.PlotGraph( black, rangeX, rangeY, ( float _X ) => {
* int X = Math.Max( 0, Math.Min( _statistics.Count-1, (int) (_statistics.Count - 10000.0f + _X) ) );
* // return _statistics[X];
*
* // Integrate...
* float sum = 0.0f;
* for ( int x=lastX; x <= X; x++ )
* sum += _statistics[x];
* sum *= X != lastX ? 1.0f / (X - lastX) : 0.0f;
* lastX = X;
*
* return sum;
* } );
* graphStatistics.PlotAxes( black, rangeX, rangeY, 1000.0f, 100.0f );
* panelImageSpectrum.Bitmap = graphStatistics.AsBitmap;
* //*/
});
this.Enabled = true;
m_blueNoiseAnnealing.Save(new System.IO.FileInfo("BlueNoise" + m_blueNoiseAnnealing.Width + "x" + m_blueNoiseAnnealing.Height + "_SimulatedAnnealing" + dimensions + "D.png"));
// Quick FFT
panelImageSpectrum.Bitmap = ComputeSpectrum(m_blueNoiseAnnealing, 2.0f * textureSize).AsBitmap;
}