[mapserver-users] On-the-fly field calculation in a GetFeatureInfo request

[Patrice]

Could you point me in the right direction for the solutions you 
proposed? I like the idea of do calculations client-side with 
javascript, however, I didn't figure out how to fetch the value withina 
<script> tag in the template.


On 2017-03-16 03:50, Jörg Thomsen (WhereGroup) wrote:
> Hello Patrice,
>
> I would prefer to save the data in a database using a view to create the
> additional field (I haven't tried, but I think even spatialite is
> possible as mapserver-deatasource?)
>
> Another way would be to use scripting
> - calculate the value with javascript within the template-html or
> - use server-side processing within the template
>
> Regards, Jörg
>
> Am 16.03.2017 um 03:25 schrieb Abrabacabra:
>> Hello,
>>
>> Is it possible to do numeric calculations with the result of a
>> GetFeatureInfo? Some layers have an area field in square meters but I
>> want to display it to the user in acres or hectares. It would be nice
>> not having to create a second attribute column in my source layer just
>> for that.
>>
>> I am using an html template at layer level to output the results of the
>> query.
>> Mapserver 7.0.4
>>
>> Thank you,
>>
>>
>> Patrice
>> _______________________________________________
>> mapserver-users mailing list
>> mapserver-users at lists.osgeo.org
>> https://lists.osgeo.org/mailman/listinfo/mapserver-users
>
> Viele Grüße,
> Jörg Thomsen
>

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