[gdal-dev] Creating a MVT cache with ogr2ogr but using the EPSG:25830 CRS...

2020-12-02 Thread A Huarte
Hi everyone, I would create a Mapbox Vector Tile cache using ogr2ogr and MVT: Mapbox Vector Tiles — GDAL documentation but writing the files in the EPSG:25830 projection. Later I want to show this layer in one OpenLayers map viewer with this CRS as map system reference. I have read the driver pr

Re: [gdal-dev] Shapefiles and z dimensions

2017-12-09 Thread A Huarte
Hi, from ESRI shapefile specification:  https://www.esri.com/library/whitepapers/pdfs/shapefile.pdf the header file always contains the Mmin and Mmax values (Page 4):     "but these limits can contain "no data" values (see Numeric Types on page 2) for shapefiles      of measured shape types that

Re: [gdal-dev] unable to open DGN

2015-11-23 Thread A Huarte
Hi, sorry for intruding, this help describes the specification of --v95/v7-- versions. The --v8-- spec is different, OpenDGN only supports read v95/v7 files, and read/write v8 files. Alvaro De: Andre Vautour Para: Even Rouault CC: gdal-dev@lists.osgeo.org Enviado: Lunes 23 de noviembre

Re: [gdal-dev] Speed improvement for OGR shapefile provider

2013-11-06 Thread A Huarte
Hi, I made tests with 'test_ogrsf.exe' and a dbase file. https://github.com/OSGeo/gdal/pull/24 Regards > > De: Even Rouault >Para: A Huarte >CC: "gdal-dev@lists.osgeo.org" >Enviado: Martes 22 de octubre de 2013 14:17

Re: [gdal-dev] Support of filemapping for fast rendering in QGIS...

2013-10-22 Thread A Huarte
Hi, I am testing in Windows XP compiling with Visual Studio 2010. I have a console test application using directly the "shapefil" library. I will use test_ogrsf utility for a complete benchmark I this environment and my test application, using OGRFastAtof(), the full read of a huge shape aroun

[gdal-dev] Rv: Support of filemapping for fast rendering in QGIS...

2013-10-22 Thread A Huarte
Hi, I am testing in Windows XP compiling with Visual Studio 2010. I have a console test application using directly the "shapefil" library. I will use test_ogrsf utility for a complete benchmark I this environment and my test application, using OGRFastAtof(), the full read of a huge shape aroun

[gdal-dev] Support of filemapping for fast rendering in QGIS...

2013-10-22 Thread A Huarte
Hi, I want improve the rendering of vector features in QGIS.  I have opened a new branch of code in the repository of QGIS(https://github.com/qgis/QGIS/pull/927 //  https://github.com/ahuarte47/QGIS/tree/Issue_8725-OGR) and the drawing tests give me ~3x faster that original code :-) I am testin