[SoC] GSoC 2014 Weekly Report 3 : Implement write support for GDAL PostGIS Raster driver for GDAL

[Varun Saraf]

Hi,

Below is my third weekly report:

*What did I do this week?*

   - Modified the PostGISRasterRasterBand::IRasterIO method, enabling it to
   process the buffer(pData) containing the raster data for write
   mode(GF_Write). After the datatype conversion it is ready to be written to
   the query. In the meanwhile, I realized that while inserting a raster in a
   table it is always broken into evenly sized tiles. So the default
   implementation of GDALRasterBand::IRasterIO can be possibly used to handle
   the write case.
   - Implemented PostGISRasterDataset::InsertRecords method which creates
   the insert query.

*What do I plan on doing next week?*

   - Continue to write methods to create the sql query which will write
   data to the PostgreSQL tables.

*Am I blocked on anything?*

   - No.

Link to weekly report :
https://github.com/varunsaraf/postgis_raster/wiki/Report-3
Link to code repository : https://github.com/varunsaraf/postgis_raster
More details at : http://trac.osgeo.org/gdal/wiki/PostGIS_raster_driver

Regards,
Varun Saraf
Lab for Spatial Informatics
IIIT Hyderabad, India
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