John Hunter wrote: > On Fri, Jul 18, 2008 at 4:42 PM, Andrew Straw <[EMAIL PROTECTED]> wrote: > >> If you're happy with that extra cost, I'll modify >> axes.delete_masked_points() so that hexbin and scatter are automatically >> filtered in this way. Given the speed complaints we sometimes get, I was >> hesitant to add another pass through the data.
masks.extend([~np.isfinite(x) for x in args]) may be the quickest and most general way to do it. I believe ~np.isfinite is both more general and significantly faster than np.isnan. A kwarg could be used to enable or disable this checking. Eric > > Happy is the wrong word -- we certainly should make these things as > efficient as reasonable so if your optimization worked it would be > preferable numpy passes are rarely the bottleneck but they are good > to be aware of. We could provide some helper function in nxutils to > do more stuff in a single pass for common use cases (eg a minmax > function to get both the min and the max...) > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Matplotlib-devel mailing list > Matplotlib-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/matplotlib-devel ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
