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set nodata for single band raster (got missed in spaghetti code)

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This commit is contained in:
artemp 2014-12-17 14:23:42 +01:00
parent a59d634ffc
commit 6130b7f40d
1 changed files with 3 additions and 1 deletions
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4
plugins/input/gdal/gdal_featureset.cpp
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@ -201,7 +201,6 @@ feature_ptr gdal_featureset::get_feature(mapnik::query const& q)
{
MAPNIK_LOG_DEBUG(gdal) << "gdal_featureset: Image Size=(" << im_width << "," << im_height << ")";
MAPNIK_LOG_DEBUG(gdal) << "gdal_featureset: Reading band=" << band_;
if (band_ > 0) // we are querying a single band
{
mapnik::image_data_gray16 image(im_width, im_height);
@ -223,6 +222,9 @@ feature_ptr gdal_featureset::get_feature(mapnik::query const& q)
throw datasource_exception(CPLGetLastErrorMsg());
}
mapnik::raster_ptr raster = std::make_shared<mapnik::raster>(intersect, image, filter_factor);
// set nodata value to be used in raster colorizer
if (nodata_value_) raster->set_nodata(*nodata_value_);
else raster->set_nodata(raster_nodata);
feature->set_raster(raster);
}
else // working with all bands