[GRASS-user] script option

[Nikos Alexandris]

* Frank David <frank.david at geophom.fr> [2018-07-13 19:26:36 +0200]:

>
>
>Le 11/07/2018 à 09:31, Nikos Alexandris a écrit :
>>* Frank David <frank.david at geophom.fr> [2018-07-10 15:44:51 +0200]:
>>
>>>
>>>
>>>Le 10/07/2018 à 12:25, Nikos Alexandris a écrit :
>>>>* frank <frank.david at geophom.fr> [2018-07-10 08:05:29 +0200]:
>>>>
>>>>>Hi dear grass users,
>>>>>
>>>>>I'm trying to get two field name of an attribute table 
>>>>>(ctx_map) by the options of the gui. But I can access only at 
>>>>>the first one and I don't find why...??. See my code below :
>>>>>
>>>>>#%option G_OPT_V_MAP
>>>>>#% key: ctx_map
>>>>>#% description: vector data
>>>>>#% required : yes
>>>>>#% guidependency:layer,ctx_wf,ctx_wtg
>>>>>#%end
>>>>>#%option G_OPT_V_FIELD
>>>>>#% key:ctx_layer
>>>>>#% guidependency:ctx_wf,ctx_wtg
>>>>>#%end
>>>>>#%option G_OPT_DB_COLUMN
>>>>>#% key:ctx_wf
>>>>>#% description: wf name
>>>>>#% required: yes
>>>>>#%end
>>>>>#%option G_OPT_DB_COLUMN
>>>>>#% key:ctx_wtg
>>>>>#% description: wtg name
>>>>>#% required: yes
>>>>>#%end
>>>>>
>>>>>Thank you for your help.
>>>>>Frank
>>>>
>>>>Dear Frank,
>>>Hello Nikos,
>>>>
>>>>if you refer to the last two "column" options,
>>>>how do you try to access these, in the script?
>>>>
>>>>Like,
>>>>
>>>>options['ctx_wf']
>>>>options['ctx_wtg']
>>>Absolutely
>>>>
>>>>?
>>>>
>>>>Also, what .xml does
>>>>
>>>>x.ScriptName --interface-description
>>>>
>>>>generate?
>>>There is no error on compilation, and help tab display Flags and 
>>>Parameters information, like (french accent are not well encoded):
>>>
>>>Parameters:
>>>obj_map=name [required]
>>>Name of vector map
>>>MH ou WTG projet
>>>obj_layer=string
>>>Layer number or name
>>>Vector features can have category values in different layers. This 
>>>number determines which layer to use. When used with direct OGR 
>>>access this is the layer name.
>>>Default: 1
>>>obj_name=name [required]
>>>Nom de l'objet
>>>*ctx_map=name [required] **
>>>**Name of vector map **
>>>*Contexte éolien *
>>>**ctx_layer=string **
>>>**Layer number or name **
>>>**Vector features can have category values in different layers. 
>>>This number determines which layer to use. When used with direct 
>>>OGR access this is the layer name. **
>>>**Default: 1 **
>>>**ctx_wf=name [required] **
>>>*Nom du parc *
>>>**ctx_wtg=name [required] **
>>>*Identifiant éolienne
>>
>>Ah, and what does `x.ScriptName --ui` return?
>>Maybe an encoding related issue? Related entries in trac:
>>https://trac.osgeo.org/grass/search?q=encoding+french&noquickjump=1&changeset=on&milestone=on&ticket=on&wiki=on
>>
>>
>>Nikos
>Hello Nikos,
>
>x.myscript --ui just launch the gui box.
>I have found a trick to run the script. Actually I need one field from 
>on vector table and 2 fields from an other vector table. like that it 
>works :
>
>#%option G_OPT_V_MAP
>#% label: MH ou WTG projet
>#% required : yes
>#% guidependency: layer,obj
>#%end
>#%option G_OPT_V_FIELD
>#% guidependency: obj
>#%end
>#%option G_OPT_DB_COLUMN
>#% key: obj
>#% description: Nom de l'objet
>#% required: yes
>#%end
>
>
>#%option G_OPT_V_MAP
>#% key: ctx_map
>#% label: Contexte éolien
>#% required : yes
>#% guidependency:ctx_layer,ctx_wf,ctx_wtg
>#%end
>#%option G_OPT_V_FIELD
>#% key:ctx_layer
>#% guidependency:ctx_wf,ctx_wtg
>#%end
>#%option G_OPT_DB_COLUMN
>#% key:ctx_wf
>#% description: Nom du parc
>#% required: yes
>#%end
>#%option G_OPT_DB_COLUMN
>#% key:ctx_wtg
>#% description: Identifiant éolienne
>#% required: yes
>#%end
>
>But as soon as I try to name myself the first table by Key parameter 
>like #%key : obj_map and add key name at layer (like in the second 
>part of the code) It does not work anymore... It looks like the fisrt 
>map is automatically named "map" by the gui. I don't mind but I find 
>this strange. I'm sure there is a explanation,somewhere...
>Cheers,
>Frank

Perhaps there is something, and experienced developers will notice it fast.
Yet, why don't you share a minimal working code? At least the interface,
so I can try myself to compile. Even in private if you
prefer. I am willig to help in understanding this error. So I will learn
about it as well.

Nikos
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