Status map

[dave-nagios at homer.cymry.org]

On Mon, May 03, 2004 at 09:41:58AM +0300, MiikaT wrote:
> I have approx. 100 hosts defined in nagios, and when I look status map with 
> circular (marked up) layoyut, the hosts are layered on top of each other. This 
> is basically an annoying issue as when I have a core switch as parent host, 
> there is a lot of child hosts connecting to this device and one can't really 
> make difference between the child hosts if you try to move mouse over the host 
> icons to see the specific host status. If I change the scaling factor, if will 
> only make graphics bigger, instead I would like to have more "space" for each 
> host, even though it will require greater resolution to view the whole status. 
> Is there any cure for this?
> 
> -MiikaT

The answer you will most likely get on this list is that you can do one of the
following things

a. define parent relationships to spread things out a bit
b. Define your own corrdinants 

I had your problem a while back and ended up kludging the statusmap.c file to stagger
the hosts on certain rings (mostly the innermost ring). It's a really ugly kludge, and
doesn't look right unless you turn off the green slots by using the non marked-up
version of circular. But it solved my problem and staggered the hosts so that they
were readable. Here's a diff

42
> #include <string.h>
72,73c73,74
< #define DEFAULT_NODE_VSPACING           15
< #define DEFAULT_NODE_HSPACING           45
---
> #define DEFAULT_NODE_VSPACING           80
> #define DEFAULT_NODE_HSPACING           80
75,76c76,77
< #define DEFAULT_PROXIMITY_WIDTH               1000
< #define DEFAULT_PROXIMITY_HEIGHT      800
---
> #define DEFAULT_PROXIMITY_WIDTH               10
> #define DEFAULT_PROXIMITY_HEIGHT      8
81,82c82,83
< #define COORDS_WARNING_WIDTH            650
< #define COORDS_WARNING_HEIGHT           60
---
> #define COORDS_WARNING_WIDTH            10
> #define COORDS_WARNING_HEIGHT           6
84c85
< #define CIRCULAR_DRAWING_RADIUS         100
---
> #define CIRCULAR_DRAWING_RADIUS         250
2684a2686
>       int even_y=0;
2690a2693
>       double last_x=0.0;
2691a2695,2697
>       double last_y=0.0;
>       double even_counter=0.0;
>       double even_x=0.0;
2694c2700,2703
< 
---
>       char vmserver_a[10];
>       char vmserver_b[10];
>       strcpy(vmserver_a,"wvha2p15");
>       strcpy(vmserver_b,"xvhalp02");
2746a2756,2770
>                       /*stagger if even kludge*/
>                       even_x=(even_counter/2);
>                       even_y=(even_counter/2);
>                       if(layer<=3){
>                       if(number_of_immediate_child_hosts(temp_host)==0){
>                       if(even_x!=even_y){
>                               x_coord=-(sin(-this_drawing_angle*(M_PI/180.0))*(2.2*radius));
>                               y_coord=-(sin((90+this_drawing_angle)*(M_PI/180.0))*(2.2*radius));
>                       }else{
>                               x_coord=-(sin(-this_drawing_angle*(M_PI/180.0))*(1.8*radius));
>                               y_coord=-(sin((90+this_drawing_angle)*(M_PI/180.0))*(1.8*radius));
>                               }
>                       }
>                       }
> 
2756a2781,2783
>                       ++even_counter;
>                       last_x=x_coord;
>                       last_y=y_coord;
2785,2795d2811
<       double y_coord[4]={0.0,0.0,0.0,0.0};
<       host *temp_host;
<       hoststatus *temp_hoststatus;
<       hostextinfo *temp_hostextinfo;
<       int x_offset=0;
<       int y_offset=0;
<       int center_x=0;
<       int center_y=0;
<       int bgcolor=0;
<       double arc_start_angle=0.0;
<       double arc_end_angle=0.0;
2882a2899,2909
>                       gdImageArc(map_image,x_offset,y_offset,(radius+(CIRCULAR_DRAWING_RADIUS/2))*
2,(radius+(CIRCULAR_DRAWING_RADIUS/2))*2,floor(arc_start_angle),ceil(arc_end_angle),color_lightgrey)
;
> 
> 
>                       /* determine center of "slice" and fill with appropriate color
>                       */
>                       center_x=-(sin(-(current_drawing_angle+(available_angle/2.0))*(M_PI/180.0))*
(radius));
>                       center_y=-(sin((90+current_drawing_angle+(available_angle/2.0))*(M_PI/180.0)
)*(radius));
>                       translated_x=center_x+x_offset;
>                       translated_y=center_y+y_offset;
> 
>                       /* determine background color */
>                       temp_hoststatus=find_hoststatus(temp_host->name);


> 
> 
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