/// <summary>
/// Opens a shapefile.
/// </summary>
/// <param name="fileName">The string fileName of the polygon shapefile to load.</param>
/// <param name="progressHandler">Any valid implementation of the DotSpatial.Data.IProgressHandler</param>
public void Open(string fileName, IProgressHandler progressHandler)
{
if (!File.Exists(fileName))
{
return;
}
Filename = fileName;
IndexMode = true;
Header = new ShapefileHeader(Filename);
switch (Header.ShapeType)
{
case ShapeType.PolygonM:
CoordinateType = CoordinateType.M;
break;
case ShapeType.PolygonZ:
CoordinateType = CoordinateType.Z;
break;
default:
CoordinateType = CoordinateType.Regular;
break;
}
Extent = Header.ToExtent();
Name = Path.GetFileNameWithoutExtension(fileName);
Attributes.Open(Filename);
LineShapefile.FillLines(Filename, progressHandler, this, FeatureType.Polygon);
ReadProjection();
}
/// <summary>
/// Opens a shapefile.
/// </summary>
/// <param name="fileName">The string fileName of the polygon shapefile to load.</param>
/// <param name="progressHandler">Any valid implementation of the DotSpatial.Data.IProgressHandler.</param>
public void Open(string fileName, IProgressHandler progressHandler)
{
if (!File.Exists(fileName))
{
return;
}
Filename = fileName;
IndexMode = true;
Header = new ShapefileHeader(Filename);
CoordinateType = Header.ShapeType switch
{
ShapeType.PolygonM => CoordinateType.M,
ShapeType.PolygonZ => CoordinateType.Z,
_ => CoordinateType.Regular,
};
Extent = Header.ToExtent();
Name = Path.GetFileNameWithoutExtension(fileName);
Attributes.Open(Filename);
LineShapefile.FillLines(Filename, progressHandler, this, FeatureType.Polygon);
ReadProjection();
}
