[gdal-dev] Arcinfo Binary Grid Format Specification

2014-11-07 Thread Bob Cave
Hello, The description of the Arcinfo Binary Grid format on the GDAL web site links to the format specification at the following URL: http://home.gdal.org/projects/aigrid/index.html Unfortunately, that address seems to be unreachable, and all of the web search results I got linked back to the sam

Re: [gdal-dev] Reading CurveString and CurvePolygon Geometries from FGF Data

2014-01-21 Thread Bob Cave
Even Rouault wrote > Le vendredi 17 janvier 2014 17:08:38, Bob Cave a écrit : >> Hello, >> >> I am using the OGR Spatialite driver to read a database that has FGF >> geometries. Some of the geometries are CurvePolygons, which are not >> currentl

[gdal-dev] Reading CurveString and CurvePolygon Geometries from FGF Data

2014-01-17 Thread Bob Cave
Hello, I am using the OGR Spatialite driver to read a database that has FGF geometries. Some of the geometries are CurvePolygons, which are not currently supported in OGRGeometryFactory::createFromFgfInternal() as of GDAL 1.10.1. Is support for FGF CurveString and CurvePolygon geometries current

Re: [gdal-dev] Getting SRID from MS SQL Server Spatial Table

2013-11-14 Thread Bob Cave
;assignSpatialReference( poSRS ); > > > Best regards, > > Tamas > > > > 2013/11/14 Bob Cave < > bobc@ > > > >> Hi Tamas, >> >> I looked through the source code for the MS SQL Server Spatial driver, >> version 1.10.1 and in the lates

Re: [gdal-dev] Getting SRID from MS SQL Server Spatial Table

2013-11-14 Thread Bob Cave
, Bob Tamas Szekeres wrote > The driver is doing something like: > > select top 1 ogr_geometry.STSrid from [mytable] > > Best regards, > > Tamas > > > > 2013/11/13 Bob Cave < > bobc@ > > > >> Tamas, >> >> Thank you for th

Re: [gdal-dev] Getting SRID from MS SQL Server Spatial Table

2013-11-13 Thread Bob Cave
etries in the > database table, which should also set the spatial reference of the layer. > > Best regards, > > Tamas > > > > 2013/11/13 Bob Cave < > bobc@ > > > >> Hello, >> >> I am using the MS SQL Server driver (1.10.1) with >

[gdal-dev] Getting SRID from MS SQL Server Spatial Table

2013-11-13 Thread Bob Cave
Hello, I am using the MS SQL Server driver (1.10.1) with MSSQLSPATIAL_USE_GEOMETRY_COLUMNS=NO. When I attempt to read a table, I find that the driver does not identify the spatial reference the table is using. Is there a way to get the driver to query for the SRID? When I use MSSQLSPATIAL_USE_G

[gdal-dev] Spatialite Insert Performance

2013-09-17 Thread Bob Cave
Hello, I have written a program that uses GDAL 1.9.1 to insert data into a SQLite/Spatialite database, and I am running into performance problems with large amounts of data. The SQLite/Spatialite section of the OGR documentation says, "The -gt argument allows to explicitly set the number of rows

[gdal-dev] PGeo: Reading a single table from a .mdb file

2010-07-08 Thread Bob Cave
I am using the PGeo reader in GDAL 1.7.1. This reader always returns a layer for every feature class (spatial table) in the personal geodatabase, but I would like to be able to specify a list of tables to be returned. The other OGR spatial database readers have this capability. Is this somethin

[gdal-dev] OGR: Accessing ESRI Personal Geodatabase on OS X

2010-06-25 Thread Bob Cave
Hello, I see that OGR supports reading ESRI Personal Geodatabases. We are considering adding this capability to our product, which has both Windows and Mac OS X implementations. I have tried the basic functionality on Windows (using FW_Tools), and the OGR documentation has instructions for usin