//private IGeometry GetFootprint(DiMapParser dimParser)
//{
// IGeometry currFootprint = null;
// dimParser.ResetVertexCount();
// string xs = "";
// string ys = "";
// string rows = "";
// string cols = "";
// double minX = 10000000000.0;
// double maxX = -1000000000.00;
// double minY = 1000000000.00;
// double maxY = -1000000000.00;
// double minRow = 1000000000.00;
// double maxRow = -1000000000.0;
// double minCol = 1000000000.00;
// double maxCol = -1000000000.0;
// double x = 0.0;
// double y = 0.0;
// double row = 0.0;
// double col = 0.0;
// while (dimParser.GetNextVertex(out xs, out ys, out rows, out cols))
// {
// x = Convert.ToDouble(xs);
// y = Convert.ToDouble(ys);
// row = Convert.ToDouble(rows);
// col = Convert.ToDouble(cols);
// if (x < minX)
// minX = x;
// if (x > maxX)
// maxX = x;
// if (y < minY)
// minY = y;
// if (y > maxY)
// maxY = y;
// if (row < minRow)
// minRow = row;
// if (row > maxRow)
// maxRow = row;
// if (col < minCol)
// minCol = col;
// if (col > maxCol)
// maxCol = col;
// x = 0.0;
// y = 0.0;
// row = 0.0;
// col = 0.0;
// xs = "";
// ys = "";
// rows = "";
// cols = "";
// }
// x = Convert.ToDouble(xs);
// y = Convert.ToDouble(ys);
// row = Convert.ToDouble(rows);
// col = Convert.ToDouble(cols);
// if (x < minX)
// minX = x;
// if (x > maxX)
// maxX = x;
// if (y < minY)
// minY = y;
// if (y > maxY)
// maxY = y;
// if (row < minRow)
// minRow = row;
// if (row > maxRow)
// maxRow = row;
// if (col < minCol)
// minCol = col;
// if (col > maxCol)
// maxCol = col;
// currFootprint = new PolygonClass();
// IPointCollection currPointColl = (IPointCollection)currFootprint;
// IEnvelope rectEnvelope = new EnvelopeClass();
// rectEnvelope.PutCoords(minX, minY, maxX, maxY);
// ISegmentCollection segmentCollection = (ISegmentCollection)currFootprint;
// segmentCollection.SetRectangle(rectEnvelope);
// // Get Srs
// int epsgcode = Convert.ToInt32((dimParser.SrsCode.Split(':'))[1]);
// ISpatialReferenceFactory3 srsfactory = new SpatialReferenceEnvironmentClass();
// ISpatialReference dimSrs = srsfactory.CreateSpatialReference(epsgcode);
// ISpatialReferenceResolution srsRes = (ISpatialReferenceResolution)dimSrs;
// srsRes.ConstructFromHorizon();
// srsRes.SetDefaultXYResolution();
// ((ISpatialReferenceTolerance)dimSrs).SetDefaultXYTolerance();
// currFootprint.SpatialReference = dimSrs;
// #region Commented
// //IEnvelope extent = new EnvelopeClass();
// //extent.XMin = geoDset.Extent.XMin;
// //extent.XMax = geoDset.Extent.XMax;
// //extent.YMin = geoDset.Extent.YMin;
// //extent.YMax = geoDset.Extent.YMax;
// //extent.SpatialReference = geoDset.SpatialReference;
// //extent.Width = inputFrd.RasterInfo.Extent.Width;
// //extent.Height = inputFrd.RasterInfo.Extent.Height;
// //currItem.Footprint = (IGeometry)extent;
// //myDimParser.ResetVertexCount();
// //string x = "";
// //string y = "";
// //string row = "";
// //string col = "";
// //IGeometry currFootprint = new PolygonClass();
// //IPointCollection currPointColl = (IPointCollection)currFootprint;
// // Creating a polygon!!!
// ////Build a polygon from a sequence of points.
// ////Add arrays of points to a geometry using the IGeometryBridge2 interface on the
// ////GeometryEnvironment singleton object.
// //IGeometryBridge2 geometryBridge2 = new GeometryEnvironmentClass();
// //IPointCollection4 pointCollection4 = new PolygonClass();
// ////TODO:
// ////pointCollection4.SpatialReference = 'Define the spatial reference of the new polygon.
// //WKSPoint[] aWKSPointBuffer = null;
// //long cPoints = 4; //The number of points in the first part.
// //aWKSPointBuffer = new WKSPoint[System.Convert.ToInt32(cPoints - 1) + 1];
// ////TODO:
// ////aWKSPointBuffer = 'Read cPoints into the point buffer.
// //geometryBridge2.SetWKSPoints(pointCollection4, ref aWKSPointBuffer);
// //myDimParser.GetNextVertex(out x, out y, out col, out row);
// //IPoint currPoint1 = new PointClass();
// //currPoint1.X = Convert.ToDouble(x);
// //currPoint1.Y = Convert.ToDouble(y);
// //myDimParser.GetNextVertex(out x, out y, out col, out row);
// //IPoint currPoint2 = new PointClass();
// //currPoint1.X = Convert.ToDouble(x);
// //currPoint1.Y = Convert.ToDouble(y);
// //myDimParser.GetNextVertex(out x, out y, out col, out row);
// //IPoint currPoint3 = new PointClass();
// //currPoint1.X = Convert.ToDouble(x);
// //currPoint1.Y = Convert.ToDouble(y);
// //myDimParser.GetNextVertex(out x, out y, out col, out row);
// //IPoint currPoint4 = new PointClass();
// //currPoint1.X = Convert.ToDouble(x);
// //currPoint1.Y = Convert.ToDouble(y);
// //object refPoint1 = (object)currPoint1;
// //object refPoint2 = (object)currPoint2;
// //object refPoint3 = (object)currPoint3;
// //object refPoint4 = (object)currPoint4;
// //currPointColl.AddPoint(currPoint1, ref refPoint4, ref refPoint2);
// //currPointColl.AddPoint(currPoint2, ref refPoint1, ref refPoint3);
// //currPointColl.AddPoint(currPoint3, ref refPoint2, ref refPoint4);
// //currPointColl.AddPoint(currPoint4, ref refPoint3, ref refPoint1);
// //((IPolygon)currFootprint).Close();
// //currFootprint.SpatialReference = dimSrs;
// #endregion
// return currFootprint;
//}
/// <summary>
/// Get the footprint from the dimap file if it exists.
/// </summary>
/// <param name="dimParser">Dimap file parser.</param>
/// <returns>Footprint geomtry.</returns>
private IGeometry GetFootprint(DiMapParser dimParser)
{
IGeometry currFootprint = null;
dimParser.ResetVertexCount();
string xs = "";
string ys = "";
double minX = 10000000000.0;
double maxX = -1000000000.00;
double minY = 1000000000.00;
double maxY = -1000000000.00;
double x = 0.0;
double y = 0.0;
string units = dimParser.ProductType;
if (units.ToLower() == "L1T".ToLower())
units = "M";
else if (units.ToLower() == "L1R".ToLower())
units = "Deg";
// Get vertices from the dimap file and figure out the min,max.
while (dimParser.GetNextVertex2(out xs, out ys, units))
{
x = Convert.ToDouble(xs);
y = Convert.ToDouble(ys);
if (x < minX)
minX = x;
if (x > maxX)
maxX = x;
if (y < minY)
minY = y;
if (y > maxY)
maxY = y;
x = 0.0;
y = 0.0;
xs = "";
ys = "";
}
x = Convert.ToDouble(xs);
y = Convert.ToDouble(ys);
if (x < minX)
minX = x;
if (x > maxX)
maxX = x;
if (y < minY)
minY = y;
if (y > maxY)
maxY = y;
// create a new polygon and fill it using the vertices calculated.
currFootprint = new PolygonClass();
IPointCollection currPointColl = (IPointCollection)currFootprint;
IEnvelope rectEnvelope = new EnvelopeClass();
rectEnvelope.PutCoords(minX, minY, maxX, maxY);
ISegmentCollection segmentCollection = (ISegmentCollection)currFootprint;
segmentCollection.SetRectangle(rectEnvelope);
// Get Srs from the dim file and set it on the footprint.
int epsgcode = Convert.ToInt32((dimParser.SrsCode.Split(':'))[1]);
ISpatialReferenceFactory3 srsfactory = new SpatialReferenceEnvironmentClass();
ISpatialReference dimSrs = srsfactory.CreateSpatialReference(epsgcode);
ISpatialReferenceResolution srsRes = (ISpatialReferenceResolution)dimSrs;
srsRes.ConstructFromHorizon();
srsRes.SetDefaultXYResolution();
((ISpatialReferenceTolerance)dimSrs).SetDefaultXYTolerance();
currFootprint.SpatialReference = dimSrs;
return currFootprint;
}
