added doc for new slope-mode

git-svn-id: svn://svn.oetiker.ch/rrdtool/branches/1.2/program@491 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/doc/rrdgraph.pod b/doc/rrdgraph.pod
index b87d9d7..a0a5422 100644 (file)
--- a/doc/rrdgraph.pod
+++ b/doc/rrdgraph.pod
@@ -291,6 +291,12 @@ This specifies the largest font size which will be rendered
 bitmapped, that is, without any font smoothing. By default,
 no text is rendered bitmapped.
 
 bitmapped, that is, without any font smoothing. By default,
 no text is rendered bitmapped.
 

+[B<-E>|B<--slope-mode>]
+
+RRDtool graphs are composed of stair case curves by default. This is in line with
+the way RRDtool calculates its data. Some people favor a more 'organic' look
+for their graphs even though it is not all that true.
+

 [B<-a>|B<--imgformat> B<PNG>|B<SVG>|B<EPS>|B<PDF>]
 
 Image format for the generated graph. For the vector formats you can
 [B<-a>|B<--imgformat> B<PNG>|B<SVG>|B<EPS>|B<PDF>]
 
 Image format for the generated graph. For the vector formats you can