[fdo-users] Fgf to Wkb

[Greg Boone]

What actions do you need to undertake from the WKB byte array that cannot be taken using the IGeometry interface? 

Greg

-----Original Message-----
From: fdo-users-bounces at lists.osgeo.org [mailto:fdo-users-bounces at lists.osgeo.org] On Behalf Of maland
Sent: Monday, December 20, 2010 9:22 AM
To: fdo-users at lists.osgeo.org
Subject: [fdo-users] Fgf to Wkb


Hello,

What is the correct/fastest way to convert from Fgf to Wkb?
I am using the FDO from .Net. 

Currently I'm doing it this way:

byte[] fgfBytes = reader.GetGeometry(p.Name);
using (FgfGeometryFactory gf = new FgfGeometryFactory())
{
  using(IGeometry geom = gf.CreateGeometryFromFgf(fgfBytes))
  {
    byte[] wkbBytes = gf.GetWkb(geom);
    // Do some stuff with the WKB array
  }
}

For some rather large MultiLineString geometries this takes incredibly long
time, specially the GetWkb function. E.g. one geometry concisting of 1500 kB
data takes about 10 seconds. (I have a rather fast computer...)

Is this the correct way to create a Wkb from Fgf?

Regards
Henning Maeland
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