Maptitude - http://research.umbc.edu/~roswell/maptitude.html
Reinaldo,
If I understand your problem correctly this is how I would attempt
to solve it.
First do a selection of your points by either location or value.
Then from that selection do the other.
I would do a selection set by location first, then selection by your
consumption value, then do a theme map with list of values and
set the parameters that you like.
I hope this will help.
Carl
At 01:25 AM 9/1/00 -0300, you wrote:
>Maptitude - http://research.umbc.edu/~roswell/maptitude.html
>
>Hi all:
>
>Please, I need some help. I will need to prepare a selection of points, let's
>say cities, that have a database with a value that goes from 1 to 100. This
>value means the consumption potential of certain product. Our task is to to
>select all the cities that surround a certain one which not only consume the
>product but produces it as well. The task is to select all the cities that
>surrounds the "Producer" one until the sumatory of the consumption reaches a
>certain value, let's say between 90 and 120. The idea first is to create a
>distribution plan according to the production capacity of a factory, and the
>consumption potential of the surrounding populated spots which are in the
>vicinity of the one that acts as supplier of the product. Later on, the idea
is
>to analyze all the cities in a region, and reading the consumption potential
of
>the region as a whole, be able to determine which would be the location of the
>industries, in other words to regionalize according to a consumption
potential,
>taking into consideration an existing industry in the center of a territory,
or
>to propose which will be a new territory and which region or district would be
>the host of the new industry that will supply to the surroundings until reach
>the capacity of the industry.
>
>I guess my explanation is a little confuse, but the situation is exactly that.
>
>Thanks in advance for your aid. Regards,
>
>Reinaldo
>
>
>
>
>
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