Hi Armando:
I think that, unforunately, you are overestimating the production potential. It is a pity, but you are foreseen a situation that will be difficult to occur, at least on the begining of the process, which is the actual stage.
The problem is a special case for a new product, which is starting to be consumed here, so the relationship is about this: a lot of municipalities, with a potential of consumption of the product, always positive and different from 0, and a few, very few, factories that will produce it always in a scale bigger than the capacity of consumption of the municipality or city that contains the factory, so the situation is to evaluate the market (consumption potential) around the factory to find out which, where and how many will be the cities to visit in order to sell the production of the factory located at the center of the group. So at least for a long time, all the cities that are out of the required area of influence of a factory will remain unatended, or in other words there will be a lot of cities that wont receive the product. That is exactly the reason of the second part of the problem. Which will be the best locations to build new factories based on the summatory of potential consumption of the product for nearby cities, or adjacent municipalities, whichever be the higher concentration of consumption, so we are looking for regions, as small as possible, able to consume as much as possible of the product, so the cost of the transportation will be as small as possible.
I do not know if I have express myself correctly, but the problem is exactly that, and we would like to automate the decission making as much as possible.
Thanks anyway for your ideas. Best regards,
Reinaldo
as wrote:
Maptitude - http://research.umbc.edu/~roswell/maptitude.htmlHi Reinaldo.
This reply is not intend as a solution for your request.
Only some quick (very quick) thoughts on the main difficulties to come out with a good solution.Your problem presents two different aspects.
1) Determining the area to be covered by a "producer", given a producer in an already defined location,
2) Determining teh location of a new producer given the buying potential of consumers.
The most conflicitive aspect I foresee it a situation where the buying potential of consumers surrounding a set of producers does not fulfill their production potential.
In such a case, you would have to decide on some criteria to allocate consumers among a number of producers that generate excess production, or even a criteria to eliminate producers. (I have the impression that that elimintating producers would be a especial case of problem 2).Say you define yout territory for producer A, and when trying to define the territory for producer B you could include some of the consumers already included in A. What criteria would you use? Distance? Production cost? (do all producers have the same prodcution costs?). Consumer growth expectations?
I think that once these inclusion/exlcusion criteria are defined, it should not be difficult to solve problem 1.
As for problem 2, a new criteria is needed to define optimal allocation. I think that a recursive test for all potential new locations could be performed using the same approach as in case 1. However, you should be able to select one from the multiple potential solutions based on some ranking. What that ranking would be?
Implentation of recursive selections would not be hard to code using GISDK.
Cheers,
Armando
Reinaldo Paul Perez Machado wrote:
Maptitude - http://research.umbc.edu/~roswell/maptitude.htmlHi 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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