[Users] Cannot access x,y,z,r when inheriting grid in c

[Chris Stevens]

Yes that has done the trick!

And you have also made me feel better as well, knowing it wasn't just me....

Chris


On 11/03/2017 11:27 AM, Ian Hinder wrote:
>
> On 3 Nov 2017, at 09:22, Chris Stevens <c.stevens at ru.ac.za 
> <mailto:c.stevens at ru.ac.za>> wrote:
>
>> Hi Ian,
>>
>> thanks for the quick reply.
>>
>> SCHEDULE WorldTubeExtract_TEST AT CCTK_INITIAL AFTER 
>> WorldTubeExtract_RegisterSlices
>> {
>>   LANG: C
>>   OPTIONS: LEVEL
>> } "TEST"
>>
>> Also the output of Carpet::is_global_mode() is 0 so definitely not in 
>> global mode.
>>
>
> Hi,
>
> The problem is that it is in level mode ("OPTIONS: LEVEL").  Level 
> mode is called once per refinement level, and on each refinement 
> level, there may be multiple components (rectangular blocks of grid 
> points).  A function scheduled in level mode can access quantities 
> which are defined on a given refinement level (or, for example, call 
> interpolation or reduction functions for that level), but not those 
> that are defined on a given component, for example accessing grid data 
> like gridfunctions.  When you schedule a function in local mode 
> ("OPTIONS: LOCAL"), it is called once per component, and then you can 
> access grid data.
>
> I spent hours recently trying to track down exactly this problem!
>
> -- 
> Ian Hinder
> http://members.aei.mpg.de/ianhin
>

-- 
Dr Chris Stevens

Department of Mathematics

Rhodes University

Room 5

Ph: +27 46 603 8932

Web: www.chrisdoesmaths.com <http://www.chrisdoesmaths.com>

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