[gdal-dev] Hide OGR_STYLE from PDF attributes

[Jukka Rahkonen]

Hi,

If I write some vector data from OGR_DATASOURCE into geospatial PDF and I would
like to style symbols with OGR_STYLE, then ORG_STYLE string will also be written
ínto the model tree of the resulting PDF file as an attribute. I consider that
it would be better not to transfer OGR_STYLE at all as an attribute. If somebody
really wants to send style definitions into PDF as attributes it could still be
done by selecting styles another time with SQL with some other attribute name.

My select in the .vrt file is as follows
<SrcSQL>SELECT *,ref as ID, 'SYMBOL(id:ogr-sym-3,c:#FF0000,s:10px)' as OGR_STYLE
from points where highway='bus_stop'</SrcSQL>

I wonder also why the the example about using png images as symbols in the
document http://www.gdal.org/ogr/drv_pdf.html includes  settings for the symbol
color. OGR_STYLE in the example is SYMBOL(c:#000000,id:"a_symbol.png"). Does
some of the supported image formats really support changing colors on-the-fly?

-Jukka Rahkonen-