[QGIS Commit] r14510 - branches/raster-providers/src/providers/grass
svn_qgis at osgeo.org
svn_qgis at osgeo.org
Fri Nov 5 03:26:04 EDT 2010
Author: rblazek
Date: 2010-11-05 00:26:04 -0700 (Fri, 05 Nov 2010)
New Revision: 14510
Modified:
branches/raster-providers/src/providers/grass/qgis.g.info.c
Log:
raster providers initial work, basic support for passing data for rendering from providers to raster layer
Modified: branches/raster-providers/src/providers/grass/qgis.g.info.c
===================================================================
--- branches/raster-providers/src/providers/grass/qgis.g.info.c 2010-11-05 07:18:07 UTC (rev 14509)
+++ branches/raster-providers/src/providers/grass/qgis.g.info.c 2010-11-05 07:26:04 UTC (rev 14510)
@@ -34,7 +34,7 @@
info_opt->key = "info";
info_opt->type = TYPE_STRING;
info_opt->description = "info key";
- info_opt->options = "proj,window,query";
+ info_opt->options = "proj,window,size,query,info";
rast_opt = G_define_standard_option( G_OPT_R_INPUT );
rast_opt->key = "rast";
@@ -79,6 +79,34 @@
G_fatal_error( "Not yet supported" );
}
}
+ // raster width and height
+ else if ( strcmp( "size", info_opt->answer ) == 0 )
+ {
+ if ( rast_opt->answer )
+ {
+ G_get_cellhd( rast_opt->answer, "", &window );
+ fprintf( stdout, "%d,%d", window.cols, window.rows );
+ }
+ else if ( vect_opt->answer )
+ {
+ G_fatal_error( "Not yet supported" );
+ }
+ }
+ // raster informations
+ else if ( strcmp( "info", info_opt->answer ) == 0 )
+ {
+ //struct Range crange;
+ struct FPRange range;
+ double zmin, zmax;
+ RASTER_MAP_TYPE raster_type = G_raster_map_type ( rast_opt->answer, "" );
+ fprintf( stdout, "TYPE:%d\n", raster_type );
+ if (G_read_fp_range( rast_opt->answer, "", &range) < 0) {
+ G_fatal_error(("Unable to read range file"));
+ }
+ G_get_fp_range_min_max(&range, &zmin, &zmax);
+ fprintf( stdout, "MIN_VALUE:%f\n", zmin );
+ fprintf( stdout, "MAX_VALUE:%f\n", zmax );
+ }
else if ( strcmp( "query", info_opt->answer ) == 0 )
{
double x, y;
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