| public Eval ( float x, float y, float z ) : float | ||
| x | float | |
| y | float | |
| z | float | |
| return | float | |
protected void Generate()
{
var julia = new Julia(this.globalReal, this.globalImag, this.globalTheta);
float scale = 2.5f;
float vcut = 29.0f;
float vscale = 1.0f / vcut;
HardwarePixelBuffer buffer = this.ptex.GetBuffer(0, 0);
LogManager.Instance.Write("Volume Texture Sample [info]: HardwarePixelBuffer " + buffer.Width + "x" + buffer.Height);
buffer.Lock(BufferLocking.Normal);
PixelBox pb = buffer.CurrentLock;
LogManager.Instance.Write("Volume Texture Sample [info]: PixelBox " + pb.Width + "x" + pb.Height + "x" + pb.Depth);
unsafe
{
var pbptr = (BufferBase)pb.Data.Clone();
for (int z = pb.Front; z < pb.Back; z++)
{
for (int y = pb.Top; y < pb.Bottom; y++)
{
pbptr += pb.Left * sizeof(uint);
for (int x = pb.Left; x < pb.Right; x++)
{
if (z == pb.Front || z == (pb.Back - 1) || y == pb.Top || y == (pb.Bottom - 1) || x == pb.Left ||
x == (pb.Right - 1))
{
pbptr.ToUIntPointer()[0] = 0;
}
else
{
float val = julia.Eval(((float)x / pb.Width - 0.5f) * scale, ((float)y / pb.Height - 0.5f) * scale,
((float)z / pb.Depth - 0.5f) * scale);
if (val > vcut)
{
val = vcut;
}
PixelConverter.PackColor((float)x / pb.Width, (float)y / pb.Height, (float)z / pb.Depth,
(1.0f - (val * vscale)) * 0.7f, PixelFormat.A8R8G8B8, pbptr);
}
pbptr++;
}
pbptr += (pb.RowPitch - pb.Right) * sizeof(uint);
}
pbptr += pb.SliceSkip * sizeof(uint);
}
buffer.Unlock();
}
}
protected void Generate()
{
var julia = new Julia( this.globalReal, this.globalImag, this.globalTheta );
float scale = 2.5f;
float vcut = 29.0f;
float vscale = 1.0f/vcut;
HardwarePixelBuffer buffer = this.ptex.GetBuffer( 0, 0 );
LogManager.Instance.Write( "Volume Texture Sample [info]: HardwarePixelBuffer " + buffer.Width + "x" + buffer.Height );
buffer.Lock( BufferLocking.Normal );
PixelBox pb = buffer.CurrentLock;
LogManager.Instance.Write( "Volume Texture Sample [info]: PixelBox " + pb.Width + "x" + pb.Height + "x" + pb.Depth );
unsafe
{
var pbptr = (BufferBase)pb.Data.Clone();
for ( int z = pb.Front; z < pb.Back; z++ )
{
for ( int y = pb.Top; y < pb.Bottom; y++ )
{
pbptr += pb.Left*sizeof ( uint );
for ( int x = pb.Left; x < pb.Right; x++ )
{
if ( z == pb.Front || z == ( pb.Back - 1 ) || y == pb.Top || y == ( pb.Bottom - 1 ) || x == pb.Left ||
x == ( pb.Right - 1 ) )
{
pbptr.ToUIntPointer()[ 0 ] = 0;
}
else
{
float val = julia.Eval( ( (float)x/pb.Width - 0.5f )*scale, ( (float)y/pb.Height - 0.5f )*scale,
( (float)z/pb.Depth - 0.5f )*scale );
if ( val > vcut )
{
val = vcut;
}
PixelConverter.PackColor( (float)x/pb.Width, (float)y/pb.Height, (float)z/pb.Depth,
( 1.0f - ( val*vscale ) )*0.7f, PixelFormat.A8R8G8B8, pbptr );
}
pbptr++;
}
pbptr += ( pb.RowPitch - pb.Right )*sizeof ( uint );
}
pbptr += pb.SliceSkip*sizeof ( uint );
}
buffer.Unlock();
}
}