[GRASS-user] Invalid map size

[Markus Metz]

On Tue, Mar 15, 2016 at 9:20 PM, Anna Petrášová <kratochanna at gmail.com> wrote:
>
>
> On Tue, Mar 15, 2016 at 4:05 PM, Marvin Eng <knot.tyer at gmail.com> wrote:
>>
>> Anna:
>> Your solution worked fine for the offending workspace file (*.gxw).
>> It had
>> display name="Display 1" . . . .  dim="-32000,-32000,160,39"
>>
>> I changed that to 300 all round and I am now able to use that gxw with
>> display 1.
>>
>> However, I seem to have broken something more basic. No matter how I start
>> the GRASS GUI (in demolocation or a newly created location or any of my
>> other locations) I get the same "Invalid map size" message and there is no
>> monitor.
>>
>> Is there another 'workspace file' for the start up of GRASS that I should
>> be looking for to edit?
>
>
> I think it might be in your settings. Open the workspace which works for you
> now and go to GUI settings, check (or leave checked) Save current window
> layout as default in general tab and make sure you don't have any GRASS
> window minimized and then Save. Try to launch GRASS and it should work
> again. I fixed some of these things quite recently, I would have to check
> all the use cases again to see if it persists in the recent version.
>
> Anna
>
>>
>> marvin
>>
>> On Tue, Mar 15, 2016 at 11:12 AM, Anna Petrášová <kratochanna at gmail.com>
>> wrote:
>>>
>>> Hi,
>>>
>>> On Tue, Mar 15, 2016 at 1:28 PM, Marvin Eng <knot.tyer at gmail.com> wrote:
>>>>
>>>> I was running winGRASS 7.0.0
>>>> I don't know what I did but; now when I launch the GUI I get no monitor
>>>> and a command console message saying:
>>>>
>>>> Invalid map size 142,0
>>>> Invalid map size 142,0
>>>>
>>>> I installed winGRASS 7.0.3 and launched the GUI and I get the same
>>>> message.
>>>>
>>>> I can get a monitor to open using d.mon start=wx0 in a command layer but
>>>> when I do that the layer manager stops responding. When I close the monitor
>>>> (with the x) and go back to the command console there is the following
>>>> message:
>>>>
>>>> Invalid map size 142,0
>>>> Invalid map size 142,0
>>>> ERROR: Rendering failed. Details: Error reading PPM file

Most probably it was the zero in the map size: there is nothing to
render if rows and/or columns are zero. If this is true (easy to
test), a more informative message would help.

>>>>
>>>> I can 'work around' this with the "Start new map display" button and
>>>> closing display 1 - but this is a bit annoying and will require me to redo
>>>> all my workspace files.
>>>
>>>
>>> I've seen this happening before. Open your workspace in a text editor and
>>> look what you have in tag display, attribute dim. You might have some
>>> exceptionally large values there. This seems to appear only on Windows when
>>> you save your workspace while the map window is minimized. You can edit this
>>> value and put some normal value in there (like 300), save it and try to
>>> reload it again.
>>>
>>> Anna
>>>
>>>>
>>>>
>>>> Marvin Eng
>>>>
>>>>
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>>>> grass-user at lists.osgeo.org
>>>> http://lists.osgeo.org/mailman/listinfo/grass-user
>>>
>>>
>>
>
>
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