query by expression
Daniel Morissette
morissette at dmsolutions.ca
Mon Jan 29 11:11:14 PST 2001
Robert Ofarrell wrote:
>
> Daniel,
>
> Is it possible to query by expression and get the shapes returned by such
> a query?
>
> Something to the effect of $map->queryUsingExpression();
>
> Robert O'Farrell
> University of Queensland, Brisbane, Australia
Robert,
There is no queryUsingExpression() call... but you might be able to
achieve the same result if you set the expression in the query object of
the layer, and then use queryUsingRect() with a rectangle the size of
the map. I've never done it, but that should work.
--
------------------------------------------------------------
Daniel Morissette morissette at dmsolutions.ca
http://www.dmsolutions.ca/
------------------------------------------------------------
Don't put for tomorrow what you can do today, because if
you enjoy it today you can do it again tomorrow.
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