On Fri, Dec 5, 2014 at 7:14 AM, Neil Wyatt <[email protected]> wrote:

>
>
> From what I can see of GRASS-user postings, most of the discussion is
> about quite technical aspects of GRASS.
>
>
>
> Please can someone address my very basic problems?
>
>
>
> 1 – after running GRASS for about half an hour, the layer selection
> becomes unresponsive.
>

You have probably a lot of layers in Layer Manager, if you don't need them
all, you can right click on the layer and remove, or you can uncheck it. If
you have checked a lot of layers, the rendering becomes slow.

>
>
> 2 – I get wired interaction between layers, with activating some switching
> off the display of others. It is not a masking issue, because selecting and
> deselecting some layers will make them display properly (but sometimes
> causes others to disappear).
>

I fixed (hopefully) this weird behavior a couple of weeks ago. So either
you can update to a newer version of grass or, as a workaround, it should
be enough to make the Layer Manager window larger (vertically), so that you
can see all the layers without scrolling.

>
>
> I suspect I may be exceeding a limit on the number of columns or layers,
> but I have no idea how to check this.
>
>
>
> I am becoming desparate.
>
> Regards
>
> Neil
>
> Neil Wyatt
>
>
>
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