[Qgis-user] Send us your tips!

[Andreas Neumann]

 Hi Tim,

 Having images in the tips is useful - but it also opens questions:

 How do with deal with screenshots of parts of the UI that are done in a 
 certain language? Would we only show the english UI, or would we have 
 multiple images for multiple languages?

 Andreas

 On Wed, 2 Mar 2011 11:59:10 +0200, Tim Sutton wrote:
> Hi
>
> Going back to the original message, I added the tip with included
> image (adapted a little). See
>
> http://img6.imagebanana.com/img/sbt1n9mj/image03.jpeg
>
> Thanks - keep those tips coming!
>
> Regards
>
> Tim
>
> On Wed, Mar 2, 2011 at 11:16 AM, Martin Dobias <wonder.sk at gmail.com> 
> wrote:
>> On Wed, Mar 2, 2011 at 9:56 AM, Tim Sutton <lists at linfiniti.com> 
>> wrote:
>>> Hi Martin
>>>
>>> On Wed, Mar 2, 2011 at 10:48 AM, Martin Dobias 
>>> <wonder.sk at gmail.com> wrote:
>>>> On Wed, Mar 2, 2011 at 12:25 AM, Alister Hood
>>>> <alister.hood at synergine.com> wrote:
>>>>> But I think symbol levels should probably be enabled by
>>>>> default, in which case this tip wouldn't be necessary :)
>>>>
>>>> Rendering with symbol levels is more costly, so -1 for me to 
>>>> enable it
>>>> by default.
>>>>
>>>
>>> I remember debating this with you at Wroclaw. Is it more costly 
>>> also
>>> in situations where symbols are simple and have 1 layer each only? 
>>> In
>>> the case of multilayer symbols I would say 99% of the time I want
>>> symbol levels on. I do quite a lot of training and the symbol 
>>> levels
>>> is something that a) new users struggle to comprehend and b) gets
>>> forgotten as a detail after the training and then people come back 
>>> to
>>> me asking why their maps look funny. I think from a user 
>>> friendliness
>>> point of view, there would be a lot gained by enabling it by 
>>> default
>>> (performance issues notwithstanding). Maybe we should add it as
>>> another item in our endless options panel (which I will reorganise 
>>> in
>>> Lisbon)?
>>
>> Hi Tim
>>
>> yes, it's more costly also for symbols with just one symbol layer. 
>> The
>> idea is that the features in current view are loaded into memory 
>> first
>> (with a reference to symbol that will be used) and then rendered. So
>> there is some memory overhead and some cpu overhead (unsure about 
>> the
>> total amount). The case with just one symbol layer could be probably
>> optimized to some degree.
>>
>> I am not sure what to do here. The concept of symbol level is quite
>> advanced and becomes more complex when drawing things like highway
>> crossing (I still haven't found time to write a blog post explaining
>> how that could be done). Maybe another topic for upcoming hackfest?
>> :-)
>>
>> Martin
>>
>
>
>
> --
> Tim Sutton - QGIS Project Steering Committee Member (Release  
> Manager)
> ==============================================
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-- 
 --
 Andreas Neumann
 Böschacherstrasse 10A
 8624 Grüt (Gossau ZH)
 Switzerland