[gdal-dev] filter out wanted messages in a grib2 file

2019-03-10 Thread Zhan Zhang - NOAA Affiliate
I have a grib2 file which contains many messages, and those messages define different products on different surfaces (like z axis). For instance, some messages defines "soil temperature"(product name) on a surface called "depth below land surface" (surface name); and other messages define

[gdal-dev] GDAL.Net 2.3.1 - CoordinateTransformation mismatch....

2019-03-10 Thread Morten Breiner
Hi, I hope that I am posting my question to the right mailing list. Currently, I am investigating the use of GDAL.NET 2.3.1 installed as a NUGET package in VisualStudio 2017. It works very well when it comes to reading geotiff using provided drivers etc. However, when it comes to performing

Re: [gdal-dev] FlatGeobuf; proposal for a new performance oriented vector file format

2019-03-10 Thread Björn Harrtell
It would probably be possible to get substantial gains on existing formats that have spatial indexing by making them more optimal/balanced however I see the following major issues: * Not sure how by convention deal with non-updatable indexes (packing/sorting on hilbert or sort-tile-recursive seem

Re: [gdal-dev] Ogr2ogr manual and -skipfailures

2019-03-10 Thread Even Rouault
On dimanche 10 mars 2019 16:45:20 CET Rahkonen Jukka (MML) wrote: > Hi, > > On page https://www.gdal.org/ogr2ogr.html I can read from the Performance > hints: "For example, for SQLite, explicitly defining -gt 65536 ensures > optimal performance while populating some table containing many

[gdal-dev] Ogr2ogr manual and -skipfailures

2019-03-10 Thread Rahkonen Jukka (MML)
Hi, On page https://www.gdal.org/ogr2ogr.html I can read from the Performance hints: "For example, for SQLite, explicitly defining -gt 65536 ensures optimal performance while populating some table containing many hundredth thousand or million rows. However, note that if there are failed

[gdal-dev] Interested in GSoC 2019

2019-03-10 Thread Dwight Louis Velasco
Greetings OSGeo community, My name is Dwight Louis Velasco, currently a senior Applied Physics undergrad at the University of the Philippines Manila. I am looking forward to opportunities to contribute to GDAL in this year's GSoC. Currently, I'm finishing up a research and an internship position