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// File: Voxel_BooleanOperation.cxx
// Created: Mon May 21 12:34:54 2008
// Author: Vladislav ROMASHKO
// <vladislav.romashko@opencascade.com>
#include <Voxel_BooleanOperation.ixx>
#include <Precision.hxx>
Voxel_BooleanOperation::Voxel_BooleanOperation()
{
}
Standard_Boolean Voxel_BooleanOperation::Fuse( Voxel_BoolDS& theVoxels1,
const Voxel_BoolDS& theVoxels2) const
{
// Check the voxels
if (!Check(theVoxels1, theVoxels2))
return Standard_False;
// Take the values of the second cube and put them to the first one.
Standard_Integer ix, iy, iz;
for (iz = 0; iz < theVoxels2.GetNbZ(); iz++)
{
for (iy = 0; iy < theVoxels2.GetNbY(); iy++)
{
for (ix = 0; ix < theVoxels2.GetNbX(); ix++)
{
Standard_Boolean value2 = theVoxels2.Get(ix, iy, iz);
if (value2)
theVoxels1.Set(ix, iy, iz, value2);
}
}
}
return Standard_True;
}
Standard_Boolean Voxel_BooleanOperation::Fuse( Voxel_ColorDS& theVoxels1,
const Voxel_ColorDS& theVoxels2) const
{
// Check the voxels
if (!Check(theVoxels1, theVoxels2))
return Standard_False;
// Take the values of the second cube and put them to the first one.
Standard_Integer ix, iy, iz;
for (iz = 0; iz < theVoxels2.GetNbZ(); iz++)
{
for (iy = 0; iy < theVoxels2.GetNbY(); iy++)
{
for (ix = 0; ix < theVoxels2.GetNbX(); ix++)
{
Standard_Byte value2 = theVoxels2.Get(ix, iy, iz);
if (value2)
{
Standard_Byte value1 = theVoxels1.Get(ix, iy, iz);
Standard_Byte value = value1 + value2;
if (value > 15)
value = 15;
theVoxels1.Set(ix, iy, iz, value);
}
}
}
}
return Standard_True;
}
Standard_Boolean Voxel_BooleanOperation::Fuse( Voxel_FloatDS& theVoxels1,
const Voxel_FloatDS& theVoxels2) const
{
// Check the voxels
if (!Check(theVoxels1, theVoxels2))
return Standard_False;
// Take the values of the second cube and put them to the first one.
Standard_Integer ix, iy, iz;
for (iz = 0; iz < theVoxels2.GetNbZ(); iz++)
{
for (iy = 0; iy < theVoxels2.GetNbY(); iy++)
{
for (ix = 0; ix < theVoxels2.GetNbX(); ix++)
{
Standard_ShortReal value2 = theVoxels2.Get(ix, iy, iz);
if (value2)
{
Standard_ShortReal value1 = theVoxels1.Get(ix, iy, iz);
theVoxels1.Set(ix, iy, iz, value1 + value2);
}
}
}
}
return Standard_True;
}
Standard_Boolean Voxel_BooleanOperation::Cut( Voxel_BoolDS& theVoxels1,
const Voxel_BoolDS& theVoxels2) const
{
// Check the voxels
if (!Check(theVoxels1, theVoxels2))
return Standard_False;
// Subtract the values.
Standard_Integer ix, iy, iz;
for (iz = 0; iz < theVoxels2.GetNbZ(); iz++)
{
for (iy = 0; iy < theVoxels2.GetNbY(); iy++)
{
for (ix = 0; ix < theVoxels2.GetNbX(); ix++)
{
Standard_Boolean value1 = theVoxels1.Get(ix, iy, iz);
if (value1)
{
Standard_Boolean value2 = theVoxels2.Get(ix, iy, iz);
if (value2)
theVoxels1.Set(ix, iy, iz, Standard_False);
}
}
}
}
return Standard_True;
}
Standard_Boolean Voxel_BooleanOperation::Cut( Voxel_ColorDS& theVoxels1,
const Voxel_ColorDS& theVoxels2) const
{
// Check the voxels
if (!Check(theVoxels1, theVoxels2))
return Standard_False;
// Subtract the values.
Standard_Integer ix, iy, iz;
for (iz = 0; iz < theVoxels2.GetNbZ(); iz++)
{
for (iy = 0; iy < theVoxels2.GetNbY(); iy++)
{
for (ix = 0; ix < theVoxels2.GetNbX(); ix++)
{
Standard_Byte value2 = theVoxels2.Get(ix, iy, iz);
if (value2)
{
Standard_Byte value1 = theVoxels1.Get(ix, iy, iz);
if (value1)
{
Standard_Integer value = value1 - value2;
if (value < 0)
value = 0;
theVoxels1.Set(ix, iy, iz, (Standard_Byte)value);
}
}
}
}
}
return Standard_True;
}
Standard_Boolean Voxel_BooleanOperation::Cut( Voxel_FloatDS& theVoxels1,
const Voxel_FloatDS& theVoxels2) const
{
// Check the voxels
if (!Check(theVoxels1, theVoxels2))
return Standard_False;
// Subtract the values.
Standard_Integer ix, iy, iz;
for (iz = 0; iz < theVoxels2.GetNbZ(); iz++)
{
for (iy = 0; iy < theVoxels2.GetNbY(); iy++)
{
for (ix = 0; ix < theVoxels2.GetNbX(); ix++)
{
Standard_ShortReal value2 = theVoxels2.Get(ix, iy, iz);
if (value2)
{
Standard_ShortReal value1 = theVoxels1.Get(ix, iy, iz);
theVoxels1.Set(ix, iy, iz, value1 - value2);
}
}
}
}
return Standard_True;
}
Standard_Boolean Voxel_BooleanOperation::Check(const Voxel_DS& theVoxels1,
const Voxel_DS& theVoxels2) const
{
// Check the voxels
// Number of splits along X, Y and Z axes.
if (!theVoxels1.GetNbX() && theVoxels1.GetNbX() != theVoxels2.GetNbX())
return Standard_False;
if (!theVoxels1.GetNbY() && theVoxels1.GetNbY() != theVoxels2.GetNbY())
return Standard_False;
if (!theVoxels1.GetNbZ() && theVoxels1.GetNbZ() != theVoxels2.GetNbZ())
return Standard_False;
// Start point
if (fabs(theVoxels1.GetX() - theVoxels2.GetX()) > Precision::Confusion() ||
fabs(theVoxels1.GetY() - theVoxels2.GetY()) > Precision::Confusion() ||
fabs(theVoxels1.GetZ() - theVoxels2.GetZ()) > Precision::Confusion())
{
return Standard_False;
}
// Length along X, Y and Z axes.
if (fabs(theVoxels1.GetXLen() - theVoxels2.GetXLen()) > Precision::Confusion() ||
fabs(theVoxels1.GetYLen() - theVoxels2.GetYLen()) > Precision::Confusion() ||
fabs(theVoxels1.GetZLen() - theVoxels2.GetZLen()) > Precision::Confusion())
{
return Standard_False;
}
return Standard_True;
}
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