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[mkgmap-dev] stats about style rules

From Gerd Petermann gpetermann_muenchen at hotmail.com on Wed Nov 19 08:40:52 GMT 2014

Hi all,

see also 

I've implemented a quick solution which reports how often a rule expression was 
evaluated and how often the evaluation returned true.

I can think of many ways to report this info, so I started with the most simple format:
<prefix> <style file> "stats (rule/evals/true)" <expression> /<numEval>/<numTrue>

Attached is the patch that implements this and a sample configuration file
for the logging containing this line:

The new option is activated with --report-style-stats.

A compiled mkgmap binary can be found here:

Any comment is welcome!

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