statusmap.cgi: overlapped hosts on circular drawing

[Stefano Coletta]

Hi all,

I've noticed that in a big environment (like 500 hosts) the 
statusmap.cgi draws hosts too close each other in circular representations.
Unable to fix this annoying "overlapping" problem using normal nagios 
command/parameters I've decided to modify the source file statumap.c.
As result I've modified this line only:

#define CIRCULAR_DRAWING_RADIUS         100

raising the value to:

#define CIRCULAR_DRAWING_RADIUS         175

that, for me, it is an acceptable value.

The effect on the graph is that hosts are more far each other starting 
from the center of the circle outwards.

I was wondering why this useful parameter has not been added to the web 
interface instead of being hardcoded.

I have no time to build a patch to both web interface and statusmap.cgi 
to implement this so I've modified the value in a permanent way.

Maybe this can be considered a useful feature (in fact simple!) to add 
to next versions.

However this change does not solve completely the overlapping problem. 
So I'm trying to modify the algorithm to make Nagios put more space 
between hosts even in the "horizontal" line, increasing the degrees 
occupied by hosts .


Bye all

-- 
Stefano Coletta

http://www.mindcreations.com




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