Changes between Version 9 and Version 10 of soc/2007/VisualizationOfContainers

Timestamp:

Jun 4, 2007, 1:44:25 PM (15 years ago)

Author:

Matias Capeletto

Comment:

--

soc/2007/VisualizationOfContainers

@@ -95 +95 @@
 ''By Matias Capaletto:'' 
  * Be able to choose a log scale for either the X or the Y axis
+ * Proposal to include a plugable extractor to `plot_range()`
+
+   In general, containers will store other things than double. Starting simple, I want to be able to
+   plot `std::vector<int>`. This is very easy to support. Add a function:
+
+   {{{
+   #!cpp
+   template<class Iter, class DoubleExtractor >
+   plot& plot_range( Iter start, Iter end, DoubleExtractor double_extractor)
+   {
+       return your_old_plot_range(
+          boost::make_transform_iterator(start, double_extractor),
+          boost::make_transform_iterator(end  , double_extractor)
+       );
+   }
+   }}}   
+
+   This have other implications, for example if we have list<Human> hl, and struct get_age_functor { ... };
+   We can:
+
+   {{{
+   #!cpp
+   svg << plot_range( hl.begin(), hl.end(), get_age_functor() ); // fun stuff :)
+   }}}
 
 ''By Paul Bristow''