protected override void CreatePiecePositionTable()
{
PiecePositions = new PiecePositionsType[GetMaxIndex()];
int max_ring = GetMaxRingIndex();
for (int i = 1, m = 0; i <= max_ring; i++)
{
int max_intra_ring = GetMaxIntraRingIndexAt(i);
for (int j = 1; j <= max_intra_ring; j++, m++)
{
Healpix.HealpixIndex idx = new Healpix.HealpixIndex()
{
i = i, j = j
};
Healpix.HealpixPolarCoord polar = pixelization.GetSphCoord(idx);
Point3D point = pixelization.GetCartesianCoord(polar);
PiecePositions[m] = new PiecePositionsType()
{
index = idx,
position_polar = polar,
position_cart = new Vector3D()
{
X = point.X, Y = point.Y, Z = point.Z
}
};
}
}
}
protected override void CreatePiecePositionTable()
{
PiecePositions = new PiecePositionsType[GetMaxIndex()];
int max_ring = GetMaxRingIndex();
for (int i = 1, m = 0; i <= max_ring; i++)
{
int max_intra_ring = GetMaxIntraRingIndexAt(i);
if (max_intra_ring == 1)
{
PiecePositions[m++] = new PiecePositionsType()
{
index = new Healpix.HealpixIndex()
{
i = i, j = 1
},
position_polar = new Healpix.HealpixPolarCoord()
{
phi = 0, theta = (i == 1) ? 0 : Math.PI
},
position_cart = new Vector3D()
{
X = 0, Y = 0, Z = (i == 1) ? 1 : -1
}
};
continue;
}
for (int j = 1; j <= max_intra_ring; j++, m++)
{
Healpix.HealpixIndex idx = new Healpix.HealpixIndex()
{
i = i, j = j
};
Healpix.HealpixIndex idx_act = new Healpix.HealpixIndex()
{
i = i - 1, j = j - 0.5
};
Healpix.HealpixPolarCoord polar = pixelization.GetSphCoord(idx_act);
Point3D point = pixelization.GetCartesianCoord(polar);
PiecePositions[m] = new PiecePositionsType()
{
index = idx,
position_polar = polar,
position_cart = new Vector3D()
{
X = point.X, Y = point.Y, Z = point.Z
}
};
}
}
}
public virtual void SetCursorCoordinates(double theta, double phi) // slow version (all search)
{
Point3D point = pixelization.GetCartesianCoord(new Healpix.HealpixPolarCoord()
{
theta = theta,
phi = phi
});
Healpix.HealpixIndex idx = GetNearestPiece(new Vector3D()
{
X = point.X, Y = point.Y, Z = point.Z
});
cursor_idx_i = (int)idx.i;
cursor_idx_j = (int)idx.j;
}
public override void SetCursorCoordinates(double theta, double phi)
{
Healpix.HealpixPolarCoord polar = new Healpix.HealpixPolarCoord()
{
theta = theta,
phi = phi
};
Healpix.HealpixIndex index = pixelization.GetHealpixIndex(polar);
int base_idx_i = (int)(index.i + 1 + 0.5);
int begin_idx_i = (base_idx_i <= 1) ? 1 : base_idx_i - 1;
int end_idx_i = (base_idx_i >= GetMaxRingIndex()) ? GetMaxRingIndex() : base_idx_i + 1;
Point3D point = pixelization.GetCartesianCoord(polar);
Healpix.HealpixIndex idx = GetNearestPiece(new Vector3D()
{
X = point.X, Y = point.Y, Z = point.Z
}, begin_idx_i, end_idx_i);
cursor_idx_i = (int)idx.i;
cursor_idx_j = (int)idx.j;
}
public virtual void SetCursorCoordinates(Healpix.HealpixIndex idx)
{
cursor_idx_i = (int)idx.i;
cursor_idx_j = (int)idx.j;
}