Jukka:
Can you give me some more details on the actual union you are trying to
accomplish? What do you integer attributes represent?
Thanks.
Landon
On Wed, Sep 3, 2014 at 4:21 AM, Rahkonen Jukka (Tike) <
jukka.rahko...@mmmtike.fi> wrote:
> Hi,
>
> I would like to union features by two or perhaps more attributes. I wonder
> if the current Union/Dissolve/Merge tool could be developed to support the
> use of combined classes. In my use case I have two integer attributes which
> define the classes and it is a bit tricky to calculate a new concatenated
> field from those. Perhaps it is possible to do with the Beanshell Attribute
> Calculator but it is not obvious for me how. An example: I have two integer
> attributes and I would like to concatenate their values to one field which
> I would like to use for merging later. If the attribute values are A=80 and
> B=20, how could I conbine them into "80-20" or something like that? Well,
> in this case I could do (100xA)+B=8020 but what to do if I had also strings
> to concatenate as A=80 and B=true? I can do the task fine with Spatialite
> but it would be a bit more fluent to do everything with OpenJUMP.
>
> -Jukka Rahkonen-
>
>
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