Re: [gdal-dev] Fwd: Multi-layered tiff reading in gdal

2017-09-23 Thread Even Rouault
Isaac, I guess multi-layered here must mean multi-pages / multi-IFD in TIFF language. Those should normally be exposed as subdatasets by GDAL. You can access them individually with dataset names like "GTIFF_DIR:your.tiff:" where is 1, 2, ... . Even On samedi 23 septembre 2017 09:39

Re: [gdal-dev] Achieving Better WKT -> EPSG Code Autodetection When Importing Layers to Postgis

2017-09-23 Thread Andrew Joseph
Even: > No need for a complicated thing like a JNI bridge, but someone has to code it in GDAL. All the basic functionnality is there. Just needs to be put together. The main reason I suggested geotools is that one only needs to write only a few trivial lines of code to get the correct EPSG identi

Re: [gdal-dev] Achieving Better WKT -> EPSG Code Autodetection When Importing Layers to Postgis

2017-09-23 Thread Andrea Aime
Hi Even, just a quick note about GeoTools and http://prj2epsg.org In terms of matching via GeoTools, we have spent quite some time building tables of aliases and some lax equivalence rules, think DMS is same a deegree, some tolerance on the parameter values, and so on. prj2epsg.org uses that (a m

Re: [gdal-dev] Achieving Better WKT -> EPSG Code Autodetection When Importing Layers to Postgis

2017-09-23 Thread Even Rouault
> I've had this issue for years, but concede I might be missing something. Is > there anything that can remedy this issue utilizing existing functionality? No need for a complicated thing like a JNI bridge, but someone has to code it in GDAL. All the basic functionnality is there. Just needs to

[gdal-dev] Fwd: Multi-layered tiff reading in gdal

2017-09-23 Thread Ari Jolma
Välitetty viesti / Fwd.Msg Aihe: Multi-layered tiff reading in gdal Päiväys:Fri, 22 Sep 2017 09:55:10 -0400 Lähettäjä: Isaac Gerg Vastaanottaja: gdal-dev-ow...@lists.osgeo.org Hi, I have a multi-layered geotiff (as opposed to a multiband geotiff, i only have