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Class ::rrd::Graph

::rrd::Graph create ... \
           [ -alt-autoscale-max:boolean alt-autoscale-max:boolean ] \
           [ -alt-autoscale-min:boolean alt-autoscale-min:boolean ] \
           [ -alt-autoscale:boolean alt-autoscale:boolean ] \
           [ -alt-y-grid:boolean alt-y-grid:boolean ] \
           [ -base:integer (default "1000") ] \
           [ -border:integer border:integer ] \
           [ -color:0..n (default "FONT#666666 ARROW#CFD6F8") ] \
           [ -daemon daemon ] \
           [ -dynamic-labels:boolean dynamic-labels:boolean ] \
           [ -elements:0..n (default "") ] \
           [ -end end ] \
           [ -filename filename ] \
           [ -fill-size-mode:boolean fill-size-mode:boolean ] \
           [ -font-render-mode font-render-mode ] \
           [ -font-smoothing-threshold font-smoothing-threshold ] \
           [ -font:0..n (default "
      "DEFAULT:0:DejaVuSans,DejaVu Sans,DejaVu LGC Sans,Bitstream Vera Sans"
      LEGEND:7:monospace
      TITLE:12
      AXIS:8
      UNIT:8
    ") ] \
           [ -force-rules-legend:boolean force-rules-legend:boolean ] \
           [ -graph-render-mode graph-render-mode ] \
           [ -grid-dash grid-dash ] \
           [ -height:integer (default "175") ] \
           [ -imgformat (default "PNG") ] \
           [ -imginfo imginfo ] \
           [ -interlaced:boolean interlaced:boolean ] \
           [ -lazy:boolean lazy:boolean ] \
           [ -left-axis-format left-axis-format ] \
           [ -left-axis-formatter left-axis-formatter ] \
           [ -legend-direction legend-direction ] \
           [ -legend-position legend-position ] \
           [ -logarithmic:boolean logarithmic:boolean ] \
           [ -lower-limit lower-limit ] \
           [ -name name ] \
           [ -no-gridfit:boolean no-gridfit:boolean ] \
           [ -no-legend:boolean no-legend:boolean ] \
           [ -only-graph:boolean only-graph:boolean ] \
           [ -pango-markup:boolean pango-markup:boolean ] \
           [ -period (default "seconds") ] \
           [ -right-axis right-axis ] \
           [ -right-axis-format right-axis-format ] \
           [ -right-axis-formatter right-axis-formatter ] \
           [ -right-axis-label right-axis-label ] \
           [ -rigid:boolean rigid:boolean ] \
           [ -slope-mode:boolean slope-mode:boolean ] \
           [ -start start ] \
           [ -step step ] \
           [ -tabwidth:integer tabwidth:integer ] \
           [ -title title ] \
           [ -units-exponent:integer units-exponent:integer ] \
           [ -units-length:integer units-length:integer ] \
           [ -upper-limit upper-limit ] \
           [ -use-nan-for-all-missing-data:swtich,slot=::rrd::Graph::slot::use-nan-for-all-missing-data use-nan-for-all-missing-data:swtich,slot=::rrd::Graph::slot::use-nan-for-all-missing-data ] \
           [ -vertical-label vertical-label ] \
           [ -watermark (default "nx-rrd 0.1") ] \
           [ -week-fmt week-fmt ] \
           [ -width:integer (default "400") ] \
           [ -x-grid x-grid ] \
           [ -x-grid-none:boolean x-grid-none:boolean ] \
           [ -y-grid y-grid ] \
           [ -y-grid-none:boolean y-grid-none:boolean ] \
           [ -zoom zoom ]

Defined in packages/rrd-tool/tcl/rrd-procs.tcl

Class Relations

• class: ::nx::Class
• superclass: ::rrd::VolatileObject

::nx::Class create ::rrd::Graph \
     -superclass ::rrd::VolatileObject

Methods (to be applied on instances)

• elements (forward)

• imgName (scripted, public)

   <instance of rrd::Graph> imgName

  Testcases:

  No testcase defined.

  return ${:imgname}

• render (scripted, public)

   <instance of rrd::Graph> render

  Testcases:

  No testcase defined.

  set defs [list ${:filename}]
  
  foreach v [[current class] info variables] {
    set varName [:info variable name $v]
    #
    # the following four varnames are NOT from rrd, so don't pass
    # these as is to rrd.
    #
    if {$varName in {elements filename name period}} {
      continue
    }
    #
    # These are configuration variables from rrd
    #
    if {[info exists :$varName]} {
      switch -glob -- [lindex [:info variable parameter $v] 0] {
        *:boolean {
          if {[set :$varName]} {lappend defs --$varName}
        }
        *:0..n {
          foreach e [set :$varName] {
            lappend defs --$varName $e
          }
        }
        default   {    lappend defs --$varName [set :$varName]}
      }
    }
  }
  switch ${:period} {
    day     {set scale 34560}
    hours   {set scale 1440}        
    minutes {set scale 60}
    seconds -
    default {set scale 1}
  }
  foreach e ${:elements} { $e configure -scale $scale }
  
  lappend defs "COMMENT:          \t\t      Cur\tMin\t Avg\t   Max\\l"
  
  foreach e ${:elements} {
    lappend defs {*}[$e render]
  }
  # get the lastupdate from the last element
  lassign [[$e cget -datasource] lastupdate] ds secs value
  regsub -all {:} [clock format [string trimright $secs :]] {\:} ts
  
  lappend defs "COMMENT:Last update\\: $ts\\r"
  
  #append ::_ "<p>GRAPH<br>[join $defs <br>\n]<br>\n"
  return $defs

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