private void btnPreview_Click(object sender, EventArgs e)
{
try
{
using (IGeometry fgeom = _geomFactory.CreateGeometry(txtGeometry.Text))
{
byte[] wkb = null;
if (!FdoGeometryUtil.Is2D(fgeom))
{
using (IGeometry ffgeom = FdoGeometryUtil.Flatten(fgeom, _geomFactory))
{
wkb = _geomFactory.GetWkb(ffgeom);
}
}
else
{
wkb = _geomFactory.GetWkb(fgeom);
}
SharpMap.Geometries.Geometry sgeom = SharpMap.Geometries.Geometry.GeomFromWKB(wkb);
_layer.DataSource = new SharpMap.Data.Providers.GeometryProvider(sgeom);
SharpMap.Geometries.BoundingBox bbox = _mapCtl.Map.GetExtents();
bbox = bbox.Grow(2.0, 2.0);
_mapCtl.Map.ZoomToBox(bbox);
_mapCtl.Refresh();
btnOK.Enabled = true;
}
}
catch (Exception)
{
MessageService.ShowError("The specified text does not constitute a valid geometry");
btnOK.Enabled = false;
}
}
/// <summary>
/// Forces the given geometry to be WKB compliant. If necessary, a <see cref="Flatten"/> call
/// will be made on the geometry.
/// </summary>
/// <param name="geom"></param>
/// <param name="fact"></param>
/// <returns></returns>
public static IGeometry ForceWkb(IGeometry geom, FgfGeometryFactory fact)
{
byte [] wkb = null;
try
{
wkb = fact.GetWkb(geom);
}
catch
{
using (IGeometry wg = Flatten(geom, fact))
{
wkb = fact.GetWkb(geom);
}
}
return(fact.CreateGeometryFromWkb(wkb));
}
/// <summary>
/// Forces the given geometry to be WKB compliant. If necessary, a <see cref="Flatten"/> call
/// will be made on the geometry.
/// </summary>
/// <param name="geom"></param>
/// <param name="fact"></param>
/// <returns></returns>
public static IGeometry ForceWkb(IGeometry geom, FgfGeometryFactory fact)
{
byte [] wkb = null;
try
{
wkb = fact.GetWkb(geom);
}
catch
{
using (IGeometry wg = Flatten(geom, fact))
{
wkb = fact.GetWkb(geom);
}
}
return fact.CreateGeometryFromWkb(wkb);
}
public static GeoAPI.Geometries.IGeometry ConvertTo(OSGeo.FDO.Geometry.IGeometry geometry)
{
//GisSharpBlog.NetTopologySuite.IO.WKTReader wktReader = new GisSharpBlog.NetTopologySuite.IO.WKTReader();
//GeoAPI.Geometries.IGeometry ntsGeometry = wktReader.Read( geometry.Text );
//return ntsGeometry;
GisSharpBlog.NetTopologySuite.IO.WKBReader wkbReader = new GisSharpBlog.NetTopologySuite.IO.WKBReader();
FgfGeometryFactory geometryFactory = new FgfGeometryFactory();
GeoAPI.Geometries.IGeometry ntsGeometry = wkbReader.Read(geometryFactory.GetWkb(geometry));
return(ntsGeometry);
}