public static GridRectangle CalculateControlBounds(ReferencePointBasedTransform[] transforms)
{
if (transforms == null || transforms.Length == 0)
return new GridRectangle();
double minX = double.MaxValue;
double minY = double.MaxValue;
double maxX = double.MinValue;
double maxY = double.MinValue;
foreach (ReferencePointBasedTransform T in transforms)
{
GridRectangle R = T.ControlBounds;
if (R.Left < minX)
minX = R.Left;
if (R.Right > maxX)
maxX = R.Right;
if (R.Bottom < minY)
minY = R.Bottom;
if (R.Top > maxY)
maxY = R.Top;
}
return new GridRectangle(minX, maxX, minY, maxY);
}
/// <summary>
/// Load mosaic from specified file and add it to transforms list using specified key
/// </summary>
/// <param name="file"></param>
/// <param name="Key"></param>
public static ReferencePointBasedTransform[] LoadMosaic(string path, string[] mosaic, DateTime lastModified)
{
if (mosaic == null || path == null)
throw new ArgumentNullException();
string[] parts;
int numTiles = 0;
// double PixelSpacing;
int formatVersion = 0;
int iTileStart = 3;
for (int i = 0; i < mosaic.Length; i++)
{
string line = mosaic[i];
if (line.StartsWith("format_version_number:"))
{
parts = line.Split(':');
formatVersion = System.Convert.ToInt32(parts[1]);
}
if (line.StartsWith("number_of_images:"))
{
parts = line.Split(':');
numTiles = System.Convert.ToInt32(parts[1]);
}
if (line.StartsWith("pixel_spacing:"))
{
parts = line.Split(':');
// PixelSpacing = System.Convert.ToDouble(parts[1]);
}
if (line.StartsWith("image:"))
{
iTileStart = i;
break;
}
}
Trace.WriteLine("Loading " + numTiles.ToString() + " tiles", "Geometry");
ReferencePointBasedTransform[] tileTransforms = new ReferencePointBasedTransform[numTiles];
int iTile = 0;
if (formatVersion == 0)
{
for (int i = iTileStart; i < mosaic.Length; i++)
{
string Transform = mosaic[i];
//Trace.WriteLine(line, "Geometry");
//Get the second entry which is the file name
string[] transformParts = Transform.Split(new char[] { ' ' }, 3, StringSplitOptions.RemoveEmptyEntries);
string TileFileName = transformParts[1];
//Make sure we don't pull in the full path
TileFileName = System.IO.Path.GetFileName(TileFileName);
string[] TileNameParts = TileFileName.Split(new char[] { '.' }, 3, StringSplitOptions.RemoveEmptyEntries);
int iTileNumber = 0;
//Viking originally used a format with section.number.png, but Iris may write number.png instead
if (TileNameParts.Length == 3)
{
iTileNumber = System.Convert.ToInt32(TileNameParts[1]);
}
else
{
iTileNumber = System.Convert.ToInt32(TileNameParts[0]);
}
//Crop the tile file name fron the Transform string
int iFileName = Transform.IndexOf(TileFileName);
Transform = Transform.Remove(0, iFileName + TileFileName.Length);
ReferencePointBasedTransform newTGT = ParseMosaicTileEntry(Transform, null);
TileTransformInfo info = new TileTransformInfo(TileFileName, iTileNumber, lastModified, newTGT.MappedBounds.Width, newTGT.MappedBounds.Height);
newTGT.Info = info;
//GridTransform newTGT = new GridTransform(path, Transform, new TileTransformInfo(TileFileName, iTileNumber, lastModified));
tileTransforms[iTile++] = newTGT;
//tileTransforms.Add(newTGT);
}
}
else if (formatVersion == 1)
{
for (int i = iTileStart; i < mosaic.Length; i += 3)
{
string TileFileName = mosaic[i + 1];
string Transform = mosaic[i + 2];
//Trace.WriteLine(line, "Geometry");
//Make sure we don't pull in the full path
TileFileName = System.IO.Path.GetFileName(TileFileName);
string[] TileNameParts = TileFileName.Split(new char[] { '.' }, 3, StringSplitOptions.RemoveEmptyEntries);
int iTileNumber = 0;
try
{
//Viking originally used a format with section.number.png, but Iris may write number.png instead
if (TileNameParts.Length == 3)
{
iTileNumber = System.Convert.ToInt32(TileNameParts[1]);
}
else
{
iTileNumber = System.Convert.ToInt32(TileNameParts[0]);
}
}
catch (System.FormatException)
{
iTileNumber = i;
}
//Get the second entry which is the transform
ReferencePointBasedTransform newTGT = ParseMosaicTileEntry(Transform, null);
TileTransformInfo info = new TileTransformInfo(TileFileName, iTileNumber, lastModified, newTGT.MappedBounds.Width, newTGT.MappedBounds.Height);
newTGT.Info = info;
//string[] transformParts = Transform.Split(new char[] { ' ' }, 3, StringSplitOptions.RemoveEmptyEntries);
//TileGridTransform newTGT = new TileGridTransform(path, Transform, new TileTransformInfo(TileFileName, iTileNumber, lastModified));
tileTransforms[iTile++] = newTGT;
//tileTransforms.Add(newTGT);
}
}
else
{
Debug.Assert(false, "Unknown format version in mosaic file");
return new GridTransform[0];
}
/*
* Don't translate mosaics to 0,0 origin because the buildscripts do it automatically and the mosaic to volume transforms are broken by the translation
GridRectangle R = ReferencePointBasedTransform.CalculateControlBounds(tileTransforms as ReferencePointBasedTransform[]);
foreach (TransformBase T in tileTransforms)
{
//Adjusting to center here breaks vclume tranformation since volume transforms assume mosaic origin of 0,0
T.Translate(new GridVector2(-R.Left, -R.Bottom));
}
*/
//Add transform list to our collection of transforms
return tileTransforms;
}