public void Save(ContourLine[] contLines, ContourLine.ContourEnvelope envelope, string spatialRef, string fname)
{
if (contLines == null || contLines.Length == 0)
{
return;
}
IContourPersisit persist = new ContourPersist();
persist.Write(contLines, GeoDo.RSS.RasterTools.ContourPersist.enumCoordType.Prj,
envelope, spatialRef, fname);
}
protected override bool FileHeaderIsOK(string fname, string extName)
{
fname += ".contour";
if (!File.Exists(fname))
{
throw new FileNotFoundException("附属文件\"" + Path.GetFileName(fname) + "\"丢失!");
}
using (FileStream fs = new FileStream(fname, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(fs, Encoding.Unicode))
{
char[] fileIdentify = br.ReadChars(ContourPersist.FILE_IDENTIFY.Length);
return(ContourPersist.FileIdentifyIsOK(fileIdentify));
}
}
}
private static void TryLoadContourValues(string fname, IContourLayer layer)
{
string fnameContour = fname + ".contour";
if (!File.Exists(fnameContour))
{
return;
}
IContourPersisit persist = new ContourPersist();
GeoDo.RSS.RasterTools.ContourPersist.enumCoordType coordType;
string spatialRef;
ContourLine.ContourEnvelope evp;
ContourLine[] cntLines = persist.Read(fnameContour, out coordType, out evp, out spatialRef);
layer.Apply(cntLines, true);
}
