[Qgis-developer] Openlayers plugin issue

Marco Hugentobler marco at hugis.net
Wed Feb 24 03:04:52 EST 2010

Hi Mathias

> The custom SRS should have the following Proj4 config:
> +proj=merc +lon_0=0 +lat_ts=0 +x_0=0 +y_0=0 +a=6378137 +b=6378137 +units=m
> +no_defs

What is the epsg id of this srs? I'd like to include it to srs.db to have it 
available by default.

Very nice plugin!


Am Donnerstag, 18. Februar 2010 10.20:56 schrieb Mathias Walker:
> Hi John
> > I was testing the new openlayers pre-release plugin. One issue I have is
> > a scaling mismatch with my vector layers and the openlayers rendered
> > output. I have a county layer in utm zone 11 (epsg 26911) that is not
> > lining up with the openlayers map. I tried physical and roads layers from
> > Google Maps. I did select the 100006 CRS and enabled OTF transformations
> > for vector layers.
> I tested your vector data both as shapefile and from postgis and the
>  borders lined up nicely with Google Maps on my QGIS build.
> The custom SRS should have the following Proj4 config:
> +proj=merc +lon_0=0 +lat_ts=0 +x_0=0 +y_0=0 +a=6378137 +b=6378137 +units=m
> +no_defs
> Usage note: The data is only aligned for integer values on the zoom level
> slider.
> Could you send me a screenshot of your QGIS map?
> >  I don't know if the plugin
> >  will support rendering for map composer output, but a quick test did not
> >  render the openmap layer to either pdf or a png image output file. The
> >  openmap layer did render in the composer itself when I refreshed the
> >  cache.
> The map composer is not supported at the moment. There are still a lot of
>  open questions regarding fixed zoom levels combined with resolution
>  scaling and user defined viewports.
> Best regards
> Mathias Walker

Dr. Marco Hugentobler
Webereistrasse 66
CH-8134 Adliswil
marco at hugis.net
Technical Advisor QGIS Project Steering Committee

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