[rrd-users] Graph Difficulty Patch

[Tobias Oetiker]

Today you sent me mail regarding Re: [rrd-users] Re: Graph Difficulty [long...:

*> > yep ... I know ... but I realy hate it when people send 1 megabyte mails to
*> > the list ... I thought about deleting it without even looking at it ... 
*> > 
*> 
*> "bit" sorter, same result:
*> 
*> #!/bin/bash
*> 
*> rrdtool create test.rrd -b 941580000 DS:a:GAUGE:600:U:U RRA:AVERAGE:0.5:1:20
*> 
*> rrdtool update test.rrd 941580300:32768 941580600:49152
*> rrdtool update test.rrd 941580900:32768 941581200:49152
*> rrdtool update test.rrd 941581500:32768 941581800:49152
*> rrdtool update test.rrd 941582100:32768
*> 
*> rrdtool graph test1.png -s 941580600 -e 941581800 \
*>         DEF:a=test.rrd:a:AVERAGE LINE2:a#FF0000
*> rrdtool graph test2.png -s 941580600 \
*>         DEF:a=test.rrd:a:AVERAGE LINE2:a#FF0000
*> 

thanks ... and here is the patch ... 

--- rrd_graph.c~        Sun Oct 24 14:15:49 1999
+++ rrd_graph.c Wed Nov  3 07:41:35 1999
@@ -1186,16 +1186,15 @@
                if (! isnan(value)) {
                  paintval += value;
                  im->gdes[ii].p_data[i] = paintval;
+                 if (finite(paintval)){
+                  if (isnan(minval) || paintval <  minval)
+                    minval = paintval;
+                  if (isnan(maxval) || paintval >  maxval)
+                    maxval = paintval;
+                 }
                } else {
                  im->gdes[ii].p_data[i] = DNAN;
                }
-
-               if (finite(paintval)){
-                 if (isnan(minval) || paintval <  minval)
-                   minval = paintval;
-                 if (isnan(maxval) || paintval >  maxval)
-                   maxval = paintval;
-               }
                break;
            case GF_PRINT:
            case GF_GPRINT:


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