[Qgis-user] Projects with too many rasters

[Jonathan Moules]

Hi Lester,
A couple of questions:
1) How many raster layers are there required to make this happen? Don't
need the trigger amount as you don't know it, but are we talking dozens?
Hundreds? Thousands?
2) Are all the rasters overlapping the same area or are they scattered
around (i.e. a mosaic).

Cheers,
Jonathan

On 22 June 2013 09:44, Lester Anderson <arctica1963 at gmail.com> wrote:

> Hello,
>
> Found an odd problem, but if your project has a few vector layers and a
> large number of rasters covering the same area, then it seems that after a
> certain number, not sure how many, but the vector layers at the top of
> everything no longer remain visible.
>
> Put simply, if you have a coastline layer at the top, overlying
> everything, and add more and more rasters, eventually it gets "buried" by
> the rasters.
>
> I am using 1.8.0 and have seen this problem a number of times with the
> layers - tried re-ordering and putting the vector layer to the front again,
> but no joy. There does appear to be a bug with visibility if too many
> coincident rasters are loaded. I basically have to create separate projects
> for certain raster/vector structures now to get around this.
>
> Has anyone else seen this issue?
>
> Cheers
>
> Lester
>
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>

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