/// <summary>
/// DotSpatial to Ogr at layer level
/// </summary>
/// <param name="featureSet">DotSpatial IFeatureSet</param>
/// <returns>Ogr Layer</returns>
public static OSGeo.OGR.Layer DS2OrgLayer(DotSpatial.Data.IFeatureSet featureSet)
{
using (OSGeo.OGR.Driver driver = OSGeo.OGR.Ogr.GetDriverByName("Memory"))
{
OSGeo.OGR.DataSource dataSource = driver.CreateDataSource(featureSet.Name, null);
OSGeo.OGR.Layer layer = dataSource.CreateLayer("Result", DS2OgrProjection(featureSet.Projection), DS2OgrGeometryType(featureSet.FeatureType), new string[] { });
OSGeo.OGR.FeatureDefn featureDefn = DS2OgrDataTable(featureSet.DataTable);
for (int k = 0; k < featureDefn.GetFieldCount(); k++)
{
layer.CreateField(featureDefn.GetFieldDefn(k), 0);
}
for (int i = 0; i < featureSet.NumRows(); i++)
{
DotSpatial.Data.IFeature feature = featureSet.GetFeature(i);
OSGeo.OGR.Feature ogrFeature = new OSGeo.OGR.Feature(featureDefn);
ogrFeature.SetGeometry(DS2OgrGeometry(feature.Geometry, featureSet));
for (int j = 0; j < feature.DataRow.ItemArray.Length; j++)
{
#region Set Value to Feature
object value = feature.DataRow.ItemArray.GetValue(j);
if (value is int)
{
ogrFeature.SetField(j, (int)value);
}
else if (value is double)
{
ogrFeature.SetField(j, (double)value);
}
else if (value is string)
{
ogrFeature.SetField(j, (string)value);
}
else if (value is DateTime)
{
DateTime dateTime = (DateTime)value;
ogrFeature.SetField(j, dateTime.Year, dateTime.Month, dateTime.Day, dateTime.Hour, dateTime.Minute, (float)dateTime.Second, 0);
}
#endregion
}
layer.CreateFeature(ogrFeature);
}
dataSource.FlushCache();
return(layer);
}
}
private void pdfToolStripMenuItem_Click(object sender, EventArgs e)
{
for (int i = 0; i < mapBox1.Map.Layers.Count; i++)
{
if (mapBox1.Map.Layers[i].LayerName == SelectedLayer)
{
var layer = mapBox1.Map.Layers[i] as VectorLayer;
var dataSource = layer.DataSource as GeometryFeatureProvider;
OSGeo.OGR.Driver driverSH = OSGeo.OGR.Ogr.GetDriverByName("PDF");
var referance = new SpatialReference("PROJCS[\"WGS 84 / Pseudo-Mercator\",GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.0174532925199433,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]],PROJECTION[\"Mercator_1SP\"],PARAMETER[\"central_meridian\",0],PARAMETER[\"scale_factor\",1],PARAMETER[\"false_easting\",0],PARAMETER[\"false_northing\",0],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH],EXTENSION[\"PROJ4\",\"+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs\"],AUTHORITY[\"EPSG\",\"3857\"]]");
OSGeo.OGR.DataSource dataSourceSH = driverSH.CreateDataSource(Application.StartupPath + "\\" + SelectedLayer + ".pdf", new string[] { "ENCODING=UTF-16" });
var layerSH = dataSourceSH.CreateLayer("PointLayer", referance, OSGeo.OGR.wkbGeometryType.wkbPoint, new string[] { "ENCODING=UTF-16" });
layerSH.StartTransaction();
for (int k = 0; k < dataSource.Features.Columns.Count; k++)
{
OSGeo.OGR.FieldDefn field = new OSGeo.OGR.FieldDefn(dataSource.Features.Columns[k].Caption, OSGeo.OGR.FieldType.OFTString);
layerSH.CreateField(field, 1);
}
for (int k = 0; k < dataSource.Features.Rows.Count; k++)
{
OSGeo.OGR.Feature feature = new OSGeo.OGR.Feature(layerSH.GetLayerDefn());
if (!string.IsNullOrEmpty(dataSource.Features.Rows[k]["geom_wkt"].ToString()))
{
OSGeo.OGR.Geometry geom = OSGeo.OGR.Geometry.CreateFromWkt(dataSource.Features.Rows[k]["geom_wkt"].ToString());
feature.SetGeometry(geom);
}
for (int x = 0; x < dataSource.Features.Columns.Count; x++)
{
var data = dataSource.Features.Rows[k][x].ToString();
feature.SetField(dataSource.Features.Columns[x].Caption, data);
}
try
{
layerSH.CreateFeature(feature);
feature.Dispose();
}
catch (Exception)
{
}
}
layerSH.CommitTransaction();
layerSH.SyncToDisk();
layerSH.Dispose();
dataSourceSH.FlushCache();
dataSourceSH.Dispose();
driverSH.Dispose();
}
}
}
