Bocher Erwan

icon indicating a website link https://cv.archives-ouvertes.fr/erwan-bocher icon indicating an email [email protected]

icon company CNRS Lab-STICC UMR 6285 icon location Vannes icon location Il faut mieux pomper même s'il ne se passe rien que risquer qu'il se passe quelque chose de pire en ne pompant pas.

Results 160 comments of Bocher Erwan

Implement ST_Multi

I'm on it

Using ST_DWithin with indexes

H2 supports only column. So this kind of command ``` CREATE SPATIAL INDEX ON broadcasting_towers (ST_Expand(geom, sending_range)); ``` perhaps in the future ;-) @katzyn Am I right ?

ST_WorldFileImageWrite

Done ?

ST_WorldFileImageWrite

Sorry I don't understand. The prj is right now supported.

ST_Extrema

Done

ST_Extrema

So what ? Could you explain a bit more ?

UpdateGeometrySRID

Done @gpetit Time for documentation

ST_WorldFileImageRead

The ST_WorldFileImageRead syntax must be improve to support import or read file from the disk. eg : ST_WorldFileImageRead( '/tmp/toto.png', false) ; true = image imported false = image read from...

ST_FillSinks

The current ST_FillSinks (https://github.com/orbisgis/h2gis/blob/raster/1.3.X/h2spatial-ext/src/main/java/org/h2gis/h2spatialext/function/spatial/raster/utility/OpFillSinks.java) function put all the raster in memory so with large DEM with have an out of memory. It'd be nice to use the tile mechanism from...

Hydrological functions optimization

The flow accumulation and watershed functions are too slow to be used in a real environment. 45 minutes to compute the flow accumulation on a small DEM (ncols 1515, nrows...