An existing filter file (such as one you create in your favorite text editor, or one you have saved from a previous session) can be added to your application and associated with the solution pool by one of these means:
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Concert Technology
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CPXreadcopysolnpoolfilters routine of the Callable Library;
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read filename flt command of the Interactive Optimizer.
The diversity and range filters already associated with a solution pool can be saved in a formatted file, as explained in Filter Files in the ILOG CPLEX User's Manual.
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In Concert Technology,
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In the Callable Library, use the routine
CPXfltwrite.
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write filename flt command of the Interactive Optimizer, where filename is the name of a file that the user supplies, and flt specifies the format of the file .
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