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

[Jörg Thomsen (WhereGroup)]

I#m naot very good in js.... sth like

<script type="text/javascript">
    document.write("<td>"[sqm_field_in_geodata]/10000" ha</td>);
</script>

Jörg

Am 16.03.2017 um 18:58 schrieb 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
>>
> 
> 
> 
> _______________________________________________
> 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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