/// <summary>
/// This create new method implies that this provider has the priority for creating a new file.
/// An instance of the dataset should be created and then returned. By this time, the fileName
/// will already be checked to see if it exists, and deleted if the user wants to overwrite it.
/// </summary>
/// <param name="fileName">The string fileName for the new instance</param>
/// <param name="featureType">Point, Line, Polygon etc. Sometimes this will be specified, sometimes it will be "Unspecified"</param>
/// <param name="inRam">Boolean, true if the dataset should attempt to store data entirely in ram</param>
/// <param name="progressHandler">An IProgressHandler for status messages.</param>
/// <returns>An IRaster</returns>
public virtual IFeatureSet CreateNew(string fileName, FeatureType featureType, bool inRam, IProgressHandler progressHandler)
{
if (featureType == FeatureType.Point)
{
PointShapefile ps = new PointShapefile();
ps.Filename = fileName;
return ps;
}
else if (featureType == FeatureType.Line)
{
LineShapefile ls = new LineShapefile();
ls.Filename = fileName;
return ls;
}
else if (featureType == FeatureType.Polygon)
{
PolygonShapefile ps = new PolygonShapefile();
ps.Filename = fileName;
return ps;
}
else if (featureType == FeatureType.MultiPoint)
{
MultiPointShapefile mps = new MultiPointShapefile();
mps.Filename = fileName;
return mps;
}
return null;
}
/// <summary>
/// Generates a default instance of the data type so that tools have something to write too
/// </summary>
/// <param name="path"></param>
public override void GenerateDefaultOutput(string path)
{
FeatureSet addedFeatureSet = new LineShapefile
{
Filename =
Path.GetDirectoryName(path) +
Path.DirectorySeparatorChar + ModelName + ".shp"
};
Value = addedFeatureSet;
}
private void BtnAddDataClick(object sender, EventArgs e)
{
/////////////////////////////////
//Replace with something that uses the default data provider
SaveFileDialog sfd = new SaveFileDialog();
sfd.OverwritePrompt = true;
sfd.Filter = "Shape Files|*.shp";
if (sfd.ShowDialog() == DialogResult.OK)
{
IFeatureSet addedFeatureSet = new LineShapefile();
addedFeatureSet.Filename = sfd.FileName;
//This inserts the new featureset into the list
textBox1.Text = Path.GetFileNameWithoutExtension(addedFeatureSet.Filename);
Param.Value = addedFeatureSet;
base.Status = ToolStatus.Ok;
LightTipText = ModelingMessageStrings.FeaturesetValid;
}
}
/// <summary>
/// This will return the correct shapefile type by reading the fileName.
/// </summary>
/// <param name="fileName">A string specifying the file with the extension .shp to open.</param>
/// <param name="progressHandler">receives progress messages and overrides the ProgressHandler on the DataManager.DefaultDataManager</param>
/// <returns>A correct shapefile object which is exclusively for reading the .shp data</returns>
public static new Shapefile OpenFile(string fileName, IProgressHandler progressHandler)
{
var ext = Path.GetExtension(fileName);
if (ext != null) ext = ext.ToLower();
if (ext != ".shp" && ext != ".shx" && ext != ".dbf")
throw new ArgumentException(String.Format("The file extension {0} is not supported by Shapefile data provider.", ext));
string name = Path.ChangeExtension(fileName, ".shp");
var head = new ShapefileHeader();
head.Open(name);
switch (head.ShapeType)
{
case ShapeType.MultiPatch:
throw new NotImplementedException("This shape type is not yet supported.");
case ShapeType.MultiPoint:
case ShapeType.MultiPointM:
case ShapeType.MultiPointZ:
var mpsf = new MultiPointShapefile();
mpsf.Open(name, progressHandler);
return mpsf;
case ShapeType.NullShape:
throw new NotImplementedException("This shape type is not yet supported.");
case ShapeType.Point:
case ShapeType.PointM:
case ShapeType.PointZ:
var psf = new PointShapefile();
psf.Open(name, progressHandler);
return psf;
case ShapeType.Polygon:
case ShapeType.PolygonM:
case ShapeType.PolygonZ:
var pgsf = new PolygonShapefile();
pgsf.Open(name, progressHandler);
return pgsf;
case ShapeType.PolyLine:
case ShapeType.PolyLineM:
case ShapeType.PolyLineZ:
var lsf = new LineShapefile();
lsf.Open(name, progressHandler);
return lsf;
}
return null;
}
/// <summary>
/// Creates a default output locations for tools.
/// </summary>
/// <param name="par"></param>
public void GenerateDefaultOutput(Parameter par)
{
IFeatureSet addedFeatureSet;
switch (par.ParamType)
{
case "DotSpatial FeatureSet Param":
addedFeatureSet = new Shapefile
{
Filename =
Path.GetTempPath() +
Path.DirectorySeparatorChar + par.ModelName + ".shp"
};
par.Value = addedFeatureSet;
break;
case "DotSpatial LineFeatureSet Param":
addedFeatureSet = new LineShapefile
{
Filename =
Path.GetTempPath() +
Path.DirectorySeparatorChar + par.ModelName + ".shp"
};
par.Value = addedFeatureSet;
break;
case "DotSpatial PointFeatureSet Param":
addedFeatureSet = new PointShapefile
{
Filename =
Path.GetTempPath() +
Path.DirectorySeparatorChar + par.ModelName + ".shp"
};
par.Value = addedFeatureSet;
break;
case "DotSpatial PolygonFeatureSet Param":
addedFeatureSet = new PolygonShapefile
{
Filename =
Path.GetTempPath() +
Path.DirectorySeparatorChar + par.ModelName + ".shp"
};
par.Value = addedFeatureSet;
break;
case "DotSpatial Raster Param":
break;
default:
par.GenerateDefaultOutput(Path.GetTempPath());
break;
}
}
/// <summary>
/// This will return the correct shapefile type by reading the fileName.
/// </summary>
/// <param name="fileName">A string specifying the file with the extension .shp to open.</param>
/// <param name="progressHandler">receives progress messages and overrides the ProgressHandler on the DataManager.DefaultDataManager</param>
/// <returns>A correct shapefile object which is exclusively for reading the .shp data</returns>
public static new Shapefile OpenFile(string fileName, IProgressHandler progressHandler)
{
string ext = Path.GetExtension(fileName).ToLower();
if (ext != ".shp" && ext != ".shx" && ext != ".dbf")
throw new ArgumentException(String.Format("The file extension {0} is not supported by Shapefile data provider.", ext));
string name = Path.ChangeExtension(fileName, ".shp");
ShapefileHeader head = new ShapefileHeader();
head.Open(name);
PointShapefile psf;
LineShapefile lsf;
PolygonShapefile pgsf;
MultiPointShapefile mpsf;
switch (head.ShapeType)
{
case ShapeType.MultiPatch:
throw new NotImplementedException("This shape type is not yet supported.");
case ShapeType.MultiPoint:
case ShapeType.MultiPointM:
case ShapeType.MultiPointZ:
mpsf = new MultiPointShapefile();
mpsf.Open(name, progressHandler);
return mpsf;
case ShapeType.NullShape:
throw new NotImplementedException("This shape type is not yet supported.");
case ShapeType.Point:
case ShapeType.PointM:
case ShapeType.PointZ:
// Instantiate a new object to handle the point shapefile
psf = new PointShapefile();
// Open the geometric components of the data (but not the dbf components)
psf.Open(name, progressHandler);
return psf;
case ShapeType.Polygon:
case ShapeType.PolygonM:
case ShapeType.PolygonZ:
pgsf = new PolygonShapefile();
pgsf.Open(name, progressHandler);
return pgsf;
case ShapeType.PolyLine:
case ShapeType.PolyLineM:
case ShapeType.PolyLineZ:
lsf = new LineShapefile();
lsf.Open(name, progressHandler);
return lsf;
}
return null;
}
/// <summary>
/// This will return the correct shapefile type by reading the fileName.
/// </summary>
/// <param name="fileName">A string specifying the file with the extension .shp to open.</param>
/// <param name="progressHandler">receives progress messages and overrides the ProgressHandler on the DataManager.DefaultDataManager</param>
/// <returns>A correct shapefile object which is exclusively for reading the .shp data</returns>
public static new Shapefile OpenFile(string fileName, IProgressHandler progressHandler)
{
var ext = Path.GetExtension(fileName);
if (ext != null)
{
ext = ext.ToLower();
}
if (ext != ".shp" && ext != ".shx" && ext != ".dbf")
{
throw new ArgumentException(String.Format("The file extension {0} is not supported by Shapefile data provider.", ext));
}
string name = Path.ChangeExtension(fileName, ".shp");
ShapefileHeader head = new ShapefileHeader();
head.Open(name);
PointShapefile psf;
LineShapefile lsf;
PolygonShapefile pgsf;
MultiPointShapefile mpsf;
switch (head.ShapeType)
{
case ShapeType.MultiPatch:
throw new NotImplementedException("This shape type is not yet supported.");
case ShapeType.MultiPoint:
case ShapeType.MultiPointM:
case ShapeType.MultiPointZ:
mpsf = new MultiPointShapefile();
mpsf.Open(name, progressHandler);
return(mpsf);
case ShapeType.NullShape:
throw new NotImplementedException("This shape type is not yet supported.");
case ShapeType.Point:
case ShapeType.PointM:
case ShapeType.PointZ:
// Instantiate a new object to handle the point shapefile
psf = new PointShapefile();
// Open the geometric components of the data (but not the dbf components)
psf.Open(name, progressHandler);
return(psf);
case ShapeType.Polygon:
case ShapeType.PolygonM:
case ShapeType.PolygonZ:
pgsf = new PolygonShapefile();
pgsf.Open(name, progressHandler);
return(pgsf);
case ShapeType.PolyLine:
case ShapeType.PolyLineM:
case ShapeType.PolyLineZ:
lsf = new LineShapefile();
lsf.Open(name, progressHandler);
return(lsf);
}
return(null);
}