[fdo-users] RE: New FDO Provider and using it in Map 3D

[Robert Fortin]

"... Provider in the Data Connect dialog shows the Provider as a
database. How do I chance that?"

Map currently relies on the provider name to decide what icon to show.
Since Map doesn't recognize the name of your provider it just assume it
is an rdbms one.  It has to be fixed to take advantage of
GetProviderDatastoreType.  So setting this value correctly in your
provider should ensure that it gets take into account in the future.

I see that Dan got you going with the geometry issue.  Thanks Dan!

RF

-----Original Message-----
From: fdo-users-bounces at lists.osgeo.org
[mailto:fdo-users-bounces at lists.osgeo.org] On Behalf Of Piet Bibber
Sent: Wednesday, September 12, 2007 5:36 AM
To: fdo-users at lists.osgeo.org
Subject: [fdo-users] RE: New FDO Provider and using it in Map 3D


Thanks Robert indeed.
I got the dialog working already. More than I expected. nice.
Still, the little icon on the left of the Provider in the Data Connect
dialog shows the Provider as a database. How do I chance that?

Also, I can't get geometry to show up (Q2 in my original email),
although I
think I do return valid geometry in the GetGeometry function of the
Reader.

Thanks so much!
Piet



gregboone wrote:
> 
> Thanks Robert! This will help the community at large.
> 
> Greg
> 
> -----Original Message-----
> From: fdo-users-bounces at lists.osgeo.org
> [mailto:fdo-users-bounces at lists.osgeo.org] On Behalf Of Robert Fortin
> Sent: Tuesday, September 11, 2007 5:51 PM
> To: FDO Users Mail List
> Subject: RE: [fdo-users] New FDO Provider and using it in Map 3D
> 
> Hi Piet!
> 
> You could have expected the Map FDO Data Connect Dialog to look for
the
> properties IsPropertyFileName or IsPropertyFilePath from the
> IPropertyDictionary interface to figure out if a connection property
is
> a file or a path and, base on that, show proper control to select
either
> a file or a path.  But it is not the case!  The default dialog that
you
> see doesn't make use of those properties.  
> 
> BUT There is a solution to your problem: define a custom connection
> control specific to your provider that would show into the Data
connect
> dialog.  It is documented in the document help/sdk.dev.net.gis.chm
under
> Map install path.  Look for Data Connect and follow the instructions.
> 
> To help you get started, I have attached a sample that work with the
SDF
> provider renamed to OSGeo.MYSDF.3.2.  Just update the reference to the
> FDO, Autodesk and Map dlls and build it.  Then put the dll under
> <Map>/Plugins/DataConnect. Edit the providers.xml file and change or
> create a copy of the SDF info and change the name to
> <Name>OSGeo.MYSDF.3.2</Name>.
> 
> After that, when you start Map, a special UI will let you pick the
name
> of an SDF file by selecting the MYSDF provider. 
> 
> Hope it helps.
> 
> RF
> 
> -----Original Message-----
> From: fdo-users-bounces at lists.osgeo.org
> [mailto:fdo-users-bounces at lists.osgeo.org] On Behalf Of Piet Bibber
> Sent: Tuesday, September 11, 2007 5:20 AM
> To: fdo-users at lists.osgeo.org
> Subject: [fdo-users] New FDO Provider and using it in Map 3D
> 
> 
> I have just created a new FDO Provider (supporting Nen1878) and
> struggling with 2 items:
> 
> 1) the icon in the 'data connect'-dialog indicates a database, yet the
> GetProviderDatastoreType returns FdoProviderDatastoreType_File
> 1a) what do I need to implement to get the browse for file and browse
> for directory buttons?
> 
> 2) The Geometry column shows a 0 (zero) for Geometric Types, albeit I
> return a 'FdoGeometryType_Point' primitive in CreateCachedGeometry
> (called by 'virtual FdoByteArray* GetGeometry (FdoString*
identifier)')
> 
> extract:
> FdoGeometryType fdoGeomType  = FdoGeometryType_Point;
> FdoInt32        dimensionality = FdoDimensionality_XY;
> FdoInt32        numPointOrds = 2; // Always 2. (No Z or M)
> FdoInt32        numPositions = 1;
> 
> fgfByteArray->Clear();
> 
> fgfByteArray = FdoByteArray::Append(fgfByteArray, sizeof(fdoGeomType),
> (FdoByte *) &fdoGeomType);
> 
> DoublePoint dp(0.,0.);
> 
> numBytesForOrdinates = numPointOrds * sizeof(double) * 1; fgfByteArray
=
> FdoByteArray::Append(fgfByteArray,
> sizeof(dimensionality),
> (FdoByte *) &dimensionality );
> fgfByteArray = FdoByteArray::Append(fgfByteArray,
numBytesForOrdinates,
> 
> (FdoByte *)&dp );
> 
> 
> Q1: When is the Geometric Type set? During schema creation or when
> passing the geometry (I think the latter)
> 
> Thanks up front
> // Piet
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> 18162.html#a12610933
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