Re: [gdal-dev] Meaning of First pass in reading GeoJSON

2018-09-13 Thread Rahkonen Jukka (MML)
Rahkonen Jukka (MML) wrote: > That certain dataset contains just geometries but no attributes. I do not > know if geometries are all > polygons of if multipolygons can also appear. However, I hoped that by > setting the environment > variable ATTRIBUTES_SKIP=YES and defining -nlt PROMOTE_TO_MUL

Re: [gdal-dev] Meaning of First pass in reading GeoJSON

2018-09-13 Thread Rahkonen Jukka (MML)
Even Rouault wrote: On jeudi 13 septembre 2018 08:00:00 CEST Rahkonen Jukka (MML) wrote: >> Hi, >> >> What does GDAL do when it reads the whole GeoJSON file as "GeoJSON: >> First pass"? Could it make the total process faster if user could give >> the same information that is gathered with the

Re: [gdal-dev] Meaning of First pass in reading GeoJSON

2018-09-13 Thread Even Rouault
On jeudi 13 septembre 2018 08:00:00 CEST Rahkonen Jukka (MML) wrote: > Hi, > > What does GDAL do when it reads the whole GeoJSON file as "GeoJSON: First > pass"? Could it make the total process faster if user could give the same > information that is gathered with the First pass somehow directly,

[gdal-dev] Meaning of First pass in reading GeoJSON

2018-09-13 Thread Rahkonen Jukka (MML)
Hi, What does GDAL do when it reads the whole GeoJSON file as "GeoJSON: First pass"? Could it make the total process faster if user could give the same information that is gathered with the First pass somehow directly, or is that step needed in any case? Microsoft has an excellent GeoJSON data