Use time stamps to determine whether to regenerate part output. For example, regenerate part output if the time stamp for the part is newer than the last generated part output. If the part is recomputed, regenerate the part output and then send that output to the nesting system. It is not necessary to regenerate part output if the software did not recompute the part after generating part output.
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The software generates new output and sends it to the nesting system by default.
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For XML output, you can compare additional data and send only parts with significant data changes.