/// <summary>
/// Method to ensure the static constructor is being called.
/// </summary>
/// <remarks>Be sure to call this function before using Gdal/Ogr/Osr</remarks>
public static void ConfigureOgr()
{
if (_configuredOgr) return;
// Register drivers
Ogr.RegisterAll();
_configuredOgr = true;
PrintDriversOgr();
}
private static void PrintDriversOgr()
{
#if DEBUG
var num = Ogr.GetDriverCount();
for (var i = 0; i < num; i++)
{
var driver = Ogr.GetDriver(i);
Console.WriteLine(string.Format("OGR {0}: {1}", i, driver.name));
}
#endif
}
/// <summary>
/// Method to ensure the static constructor is being called.
/// </summary>
/// <remarks>Be sure to call this function before using Gdal/Ogr/Osr</remarks>
public static void ConfigureOgr()
{
if (_configuredOgr)
{
return;
}
// Register drivers
Ogr.RegisterAll();
_configuredOgr = true;
}
private static void PrintDriversOgr()
{
if (DebugUtil._debug)
{
var num = Ogr.GetDriverCount();
for (var i = 0; i < num; i++)
{
var driver = Ogr.GetDriver(i);
DebugUtil.WriteLine(string.Format("OGR {0}: {1}", i, driver.name));
}
}
}
///// <summary>
///// Loads a Ogr datasource with the specified layer
///// </summary>
///// <param name="filename">datasource</param>
///// <param name="layerName">name of layer</param>
/////If you want this functionality use
/////<example>
/////SharpMap.Data.Providers.Ogr prov = new SharpMap.Data.Providers.Ogr(datasource);
/////prov.LayerName = layerName;
/////</example>
//[Obsolete("This constructor does not work well with VB.NET. Use LayerName property instead")]
//public Ogr(string filename, string layerName)
//{
// Filename = filename;
// _ogrDataSource = OgrOgr.Open(filename, 1);
// _ogrLayer = _ogrDataSource.GetLayerByName(layerName);
// OsrSpatialReference spatialReference = _ogrLayer.GetSpatialRef();
// if (spatialReference != null)
// SRID = spatialReference.AutoIdentifyEPSG();
//}
/// <summary>
/// Loads a Ogr datasource with the specified layer
/// </summary>
/// <param name="filename">datasource</param>
/// <param name="layerNum">number of layer</param>
public Ogr(string filename, int layerNum)
{
Filename = filename;
_ogrDataSource = OgrOgr.Open(filename, 0);
_ogrLayer = _ogrDataSource.GetLayerByIndex(layerNum);
OsrSpatialReference spatialReference = _ogrLayer.GetSpatialRef();
if (spatialReference != null)
{
SRID = spatialReference.AutoIdentifyEPSG();
}
}
public Ogr(string filename, string layerName)
{
Filename = filename;
_ogrDataSource = OgrOgr.Open(filename, 1);
_ogrLayer = _ogrDataSource.GetLayerByName(layerName);
OsrSpatialReference spatialReference = _ogrLayer.GetSpatialRef();
if (spatialReference != null)
{
_srid = spatialReference.AutoIdentifyEPSG();
}
}
private static void PrintDriversOgr()
{
#if DEBUG
if (_usable)
{
var num = Ogr.GetDriverCount();
for (var i = 0; i < num; i++)
{
var driver = Ogr.GetDriver(i);
Trace.WriteLine($"OGR {i}: {driver.GetName()}", "Debug");
}
}
#endif
}
/// <summary>
/// Method to ensure the static constructor is being called.
/// </summary>
/// <remarks>Be sure to call this function before using Gdal/Ogr/Osr</remarks>
public static void ConfigureOgr()
{
if (_configuredOgr)
{
return;
}
// Register drivers
Ogr.GetDriverByName("S57");
//Ogr.RegisterAll();
_configuredOgr = true;
PrintDriversOgr();
}
///// <summary>
///// Loads a Ogr datasource with the specified layer
///// </summary>
///// <param name="filename">datasource</param>
///// <param name="layerName">name of layer</param>
/////If you want this functionality use
/////<example>
/////SharpMap.Data.Providers.Ogr prov = new SharpMap.Data.Providers.Ogr(datasource);
/////prov.LayerName = layerName;
/////</example>
//[Obsolete("This constructor does not work well with VB.NET. Use LayerName property instead")]
//public Ogr(string filename, string layerName)
//{
// Filename = filename;
// _ogrDataSource = OgrOgr.Open(filename, 1);
// _ogrLayer = _ogrDataSource.GetLayerByName(layerName);
// OsrSpatialReference spatialReference = _ogrLayer.GetSpatialRef();
// if (spatialReference != null)
// SRID = spatialReference.AutoIdentifyEPSG();
//}
/// <summary>
/// Loads a Ogr datasource with the specified layer
/// </summary>
/// <param name="filename">datasource</param>
/// <param name="layerNum">number of layer</param>
public Ogr(string filename, int layerNum)
{
Filename = filename;
ConnectionID = filename;
_ogrDataSource = OgrOgr.OpenShared(filename, 0);
using (var ogrLayer = GetLayer(layerNum))
{
OsrSpatialReference spatialReference = ogrLayer.GetSpatialRef();
if (spatialReference != null)
{
SRID = spatialReference.AutoIdentifyEPSG();
}
}
_layerIndex = layerNum;
}
/// <summary>
/// Method to get a layer based on a private copy of the data source
/// </summary>
/// <param name="layerIndex">The layer index</param>
/// <param name="ogrDataSource">The data source</param>
/// <returns></returns>
private OgrLayer GetLayer(int layerIndex, out OgrDataSource ogrDataSource)
{
ogrDataSource = OgrOgr.OpenShared(Filename, 0);
return(ogrDataSource.GetLayerByIndex(layerIndex));
}
static Ogr()
{
FwToolsHelper.Configure();
OgrOgr.RegisterAll();
}
