[mapguide-users] How to highlight an area on a map?

[jamesdudden]

Hi,

This i am finiding is a bit more complex than it sounds and i really don't
know where to start so any help or advice would be appreciated.

I need to create a complex query and highlight the results as a new layer.
My map has a layer of fields, a layer of aonb's (areas of natural beauty)
and a layer of power sources. These all layer on top of each other so some
fields will be in the aonb's, some outside and some half in, half out etc.

Query - I need to find all fields that are not within an aonb - including
fields that are half in, half out - and are 100 meters from a power source.

1st problem - I can create a query (taken from dotnetsamples) to find all
the fields outside an aonb but not ones that cross the aonb.

2nd problem - I can create a buffer around my powersource but i don't know
how to combine this with my query.

3rd problem - I would like the query to return the results as a new
digitised layer that only creates the part of the field that is outside of
the aonb.

Is any of this possible? - please any help would be gladly received

Regards
James

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