public override bool CreateDemFromParent()
{
MercatorTile parent = Parent as MercatorTile;
if (parent == null || parent.DemData == null)
{
return(false);
}
int offsetX = ((tileX % 2) == 1 ? 16 : 0);
int offsetY = ((tileY % 2) == 1 ? 16 : 0);
DemData = new float[demSize];
// Interpolate accross
for (int y = 0; y < 33; y += 2)
{
bool copy = true;
for (int x = 0; x < 33; x++)
{
if (copy)
{
DemData[(32 - y) * 33 + x] = parent.GetDemSample((x / 2) + offsetX, (y / 2) + offsetY);
}
else
{
DemData[(32 - y) * 33 + x] =
(
(
parent.GetDemSample((x / 2) + offsetX, (y / 2) + offsetY) +
parent.GetDemSample(((x / 2) + offsetX) + 1, (y / 2) + offsetY)
) / 2);
}
copy = !copy;
}
}
// Interpolate down
for (int y = 1; y < 33; y += 2)
{
for (int x = 0; x < 33; x++)
{
DemData[(32 - y) * 33 + x] =
(
(
GetDemSample(x, y - 1) +
GetDemSample(x, y + 1)
) / 2);
}
}
foreach (float sample in DemData)
{
demAverage += sample;
}
demAverage /= DemData.Length;
DemReady = true;
return(true);
}
public static Tile GetNewTile(Imageset imageset, int level, int x, int y, Tile parent)
{
switch (imageset.Projection)
{
case ProjectionType.Mercator:
{
MercatorTile newTile = MercatorTile.Create(level, x, y, imageset, parent);
return(newTile);
}
case ProjectionType.Equirectangular:
{
return(EquirectangularTile.Create(level, x, y, imageset, parent));
}
//case ProjectionType.Spherical:
// {
// return new SphericalTile(level, x, y, imageset, parent);
// }
default:
case ProjectionType.Toast:
{
return(ToastTile.Create(level, x, y, imageset, parent));
}
case ProjectionType.SkyImage:
{
return(new SkyImageTile(level, x, y, imageset, parent));
}
case ProjectionType.Plotted:
{
return(PlotTile.Create(level, x, y, imageset, parent));
}
case ProjectionType.Healpix:
{
if (imageset.HipsProperties == null)
{
imageset.HipsProperties = new HipsProperties(imageset);
}
if (imageset.HipsProperties.DownloadComplete)
{
return(new HealpixTile(level, x, y, imageset, parent));
}
else
{
return(null);
}
}
case ProjectionType.Tangent:
{
TangentTile newTile = new TangentTile(level, x, y, imageset, parent);
return(newTile);
}
}
}
public static MercatorTile Create(int level, int X, int Y, Imageset dataset, Tile parent)
{
MercatorTile temp = new MercatorTile();
temp.Parent = parent;
temp.Level = level;
temp.tileX = X;
temp.tileY = Y;
temp.dataset = dataset;
temp.ComputeBoundingSphere();
return(temp);
}
public static Tile GetNewTile(Imageset imageset, int level, int x, int y, Tile parent)
{
switch (imageset.Projection)
{
case ProjectionType.Mercator:
{
MercatorTile newTile = MercatorTile.Create(level, x, y, imageset, parent);
return(newTile);
}
case ProjectionType.Equirectangular:
{
return(EquirectangularTile.Create(level, x, y, imageset, parent));
}
//case ProjectionType.Spherical:
// {
// return new SphericalTile(level, x, y, imageset, parent);
// }
default:
case ProjectionType.Toast:
{
return(ToastTile.Create(level, x, y, imageset, parent));
}
case ProjectionType.SkyImage:
{
return(SkyImageTile.Create(level, x, y, imageset, parent));
}
case ProjectionType.Plotted:
{
return(PlotTile.Create(level, x, y, imageset, parent));
}
case ProjectionType.Healpix:
{
return(new HealpixTile(level, x, y, imageset, parent));
}
case ProjectionType.Tangent:
{
TangentTile newTile = TangentTile.Create(level, x, y, imageset, parent);
return(newTile);
}
}
}
public static MercatorTile Create(int level, int X, int Y, Imageset dataset, Tile parent)
{
MercatorTile temp = new MercatorTile();
temp.Parent = parent;
temp.Level = level;
temp.tileX = X;
temp.tileY = Y;
temp.dataset = dataset;
temp.ComputeBoundingSphere();
return temp;
}