On 07/28/2010 07:04 AM, Dick Hollenbeck wrote: > On 07/27/2010 02:31 PM, jean-pierre charras wrote: > >> My last commit includes a new boost library: boost::polygon >> see: >> google "boost polygon", >> "http://svn.boost.org/svn/boost/sandbox/gtl/boost/polygon"; >> "http://svn.boost.org/svn/boost/sandbox/gtl/doc"; >> I believe this is a *very* interesting library, and this is exactly what is >> needed for kicad. >> So I wrote "zones_convert_brd_items_to_polygons_with_Boost.cpp" to test it >> (It was a lot of work) >> I need volunteers to test zone filling algorithm using boost::polygon, >> verify if issues are found, and send me results of tests. >> Mainly errors when creating solid areas. >> FYI, I know 2 boards with errors using Kbool (but Kbool is still the best >> polygon library for Kicad). >> (calculation time, due to less redundancy due to code refactory is 50% the >> time needed with Kbool library) >> Note in fact 80% calculation time is thermal shape tweaking by removing >> unconnected stubs. >> (I am not sure it is very useful) >> >> To compile with boost::polygon, run cmake with option >> -DUSE_BOOST_POLYGON_LIBRARY=ON >> (see changelog). >> >> > Jean-Pierre: > > > I found the boost library to require only 40% of the time of kbool to > refill several zones on a fairly complicated board. Even on a *very* > fast computer this board takes 11 seconds to refill all zones using > kbool. Using boost::polygon it takes only 4 seconds. >
However, it looks like screen drawing of a zone, by using the middle mouse button to zoom in and out is faster when using kbool, indeed considerably faster. Dick _______________________________________________ Mailing list: https://launchpad.net/~kicad-developers Post to : [email protected] Unsubscribe : https://launchpad.net/~kicad-developers More help : https://help.launchpad.net/ListHelp
