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<?
###########GRAPH MAKER
# Dataset arrays to be called $datasetn, n being from 0 to ...
# Dataset arrays must have the same kind of index (ie 1,2,3,4,... or jan, feb, mar,...)
# Longest dataset must start with first data (ie jan) and finish with last (ie dec)
# other datasets can start AND end with any value between longest dataset ends, ends included
$barcol=array('blue','grey','green','olive','purple','maroon','silver');
$dslabel0="My company";
$dataset0=array( 'jan' => 3120,
'feb' => 3280,
'mar' => 3540,
'apr' => 3765,
'may' => 3954,
'jun' => 4210,
'jul' => 4382,
'aug' => 4572,
'sep' => 4821,
'oct' => 5031,
'nov' => 5291,
'dec' => 5340);
$dslabel1="Country max";
$dataset1=array( 'jan' => 2780,
'feb' => 3124,
'mar' => 3241,
'apr' => 3790,
'may' => 3857,
'jun' => 4320,
'jul' => 4450,
'aug' => 4560,
'sep' => 4810,
'oct' => 4982,
'nov' => 5074,
'dec' => 5232);
$dslabel2="Country average";
$dataset2=array( 'mar' => 3501,
'apr' => 3754,
'may' => 3953,
'jun' => 3953,
'jul' => 4267,
'aug' => 4621,
'sep' => 5481);
#Stows dataset rray names and min/max values in an array $data_ends
$dataset_nb=0;
while(isset(${'dataset'.$dataset_nb}))
{
#Finds which dataset has the greatest number of values and min and max values
$nb_values=count(${'dataset'.$dataset_nb});
if((!isset($max_nb_val)) || (count(${'dataset'.$dataset_nb})>$max_nb_val))
{
$max_nb_val=count(${'dataset'.$dataset_nb}); #Longest dataset number of values
$long_dataset='dataset'.$dataset_nb; #Longest dataset name
}
if((!isset($min_data)) || (min(${'dataset'.$dataset_nb})<$min_data)) #Any dataset min value
{
$min_data=min(${'dataset'.$dataset_nb});
$min_dataset='dataset'.$dataset_nb;
}
if((!isset($max_data)) || (max(${'dataset'.$dataset_nb})>$max_data)) #Any dataset max value
{
$max_data=max(${'dataset'.$dataset_nb});
$max_dataset='dataset'.$dataset_nb;
}
if(!isset(${'dslabel'.$dataset_nb})){${'dslabel'.$dataset_nb}="";}
$next_dataset=$dataset_nb+1;
++$dataset_nb;
if(!isset(${'dataset'.$next_dataset})){break;}
}
$dataset_no=$dataset_nb-1;
if((!isset($yunit)) || (empty($yunit)) || ($yunit=="")){$yunit="";} #X axis unit (ie 'USD')
if((!isset($graph_width)) || (empty($graph_width)) || ($graph_width==0)){$graph_width=500;} #Total graph width in px
if((!isset($graph_height)) || (empty($graph_height)) || ($graph_height==0)){$graph_height=200;} #Total graph height in px
if((!isset($bar_width_ratio)) || (empty($bar_width_ratio)) || ($bar_width_ratio==0)){$bar_width_ratio=0.6;} #padding
$step_width=round(($graph_width)/count($dataset0)); #width of a row in px
$bar_width=round((($graph_width*$bar_width_ratio)/count($dataset0))/$dataset_nb); #width of a bar in px
if((!isset($y_step_nb)) || (empty($y_step_nb)) || ($y_step_nb==0)){$y_step_nb=10;} #Nb of step Y axis
$graph_line_height=round($graph_height/($y_step_nb));
# Finds the gap between max and min value
$y_total_gap=$max_data-$min_data; #ie. 2220
# Finds the interval bewteen points
$y_step_val_abs=round($y_total_gap/$y_step_nb); #ie. 222
# Finds the *10 value of the gap between points
$y_step_val_len=strlen(round($y_step_val_abs))-1; #ie. 2
#Finds the Y step to use #ie. 300
$y_step_val_use=ceil($y_step_val_abs/(pow(10,$y_step_val_len)))*(pow(10,$y_step_val_len));
#Finds the Y total gap
$y_total_gap_use=$y_step_val_use*$y_step_nb;
$y_btm_value=floor($min_data/$y_step_val_use)*$y_step_val_use;
$y_top_value=$y_btm_value+($y_step_val_use*$y_step_nb);
#echo "<div class='z'>".$y_step_val_use."</div>";
$curb="";
$x_axis="";
$i=1;
foreach(${$long_dataset} AS $key => $value)
{
$barset="";
$datalist="";
$d=0;
while($d<$dataset_nb)
{
$img_color=$barcol[$d];
if(!isset(${'dataline'.$d})){${'dataline'.$d}="<TD align='left' colspan='2' bgcolor='".$img_color."' style='font-size:7pt;color:white; border: 1px solid ".$img_color.";'><NOBR>".${'dslabel'.$d}."<NOBR></TD><TD bgcolor='".$img_color."'></TD>";}
if(array_key_exists($key, ${'dataset'.$d}))
{
#Stow the img height in px OR % (image height is 100)
$img_size=round(((${'dataset'.$d}[$key]-$y_btm_value)/$y_total_gap_use)*$graph_height);
$barset.="<img src='./images/graph/".$img_color.".gif' height='".$img_size."' width='".$bar_width."' align='bottom' title='".${'dataset'.$d}[$key]."'>";
${'dataline'.$d}.="<TD align='center' style='font-size:7pt;color:".$img_color."; border-top: 1px solid #DCDCDC; border-right: 1px solid #DCDCDC;'>".${'dataset'.$d}[$key]."</TD>";
}
else
{
${'dataline'.$d}.="<TD align='center' style='font-size:7pt;color:".$img_color.";border-top: 1px solid #DCDCDC; border-right: 1px solid #DCDCDC;'></TD>";
}
${'label'.$i}=$key; #Stow label in a variable label1='jan'
++$d;
}
$rowspan=$y_step_nb+1;
$curb.="<TD rowspan='".$rowspan."' width='".$step_width."px' align='left' style='border-right: 1px solid #DCDCDC';>".$barset."</TD>";
$x_axis.="<TD align='center'>".${'label'.$i}."</TD>";
++$i;
}
$graph_content="<TR valign='bottom' height='".$graph_line_height."px'><TD rowspan='".$rowspan."' width='30px' align='left' valign='middle' style='font-size:7pt;font-weight:bold;'>".$yunit."</TD><TD align='center' width='30px' style='font-size:8pt;'>".$y_top_value."</TD><TD style='border-bottom: solid blue 1px;border-right: solid blue 1px;'></TD>".$curb."</TR>";
$graph_y="";
$y_value=$y_top_value-$y_step_val_use;
$j=0;
while($j<$y_step_nb)
{
$graph_y.="<TR valign='bottom' height='".$graph_line_height."px'><TD align='center' width='35px' style='font-size:8pt;'>".$y_value."</TD><TD style='border-bottom: solid blue 1px;border-right: solid blue 1px;'></TD></TR>";
$y_value=$y_value-$y_step_val_use;
++$j;
}
$colspan=count($dataset0)+3;
#####DEBUG
// $graph="<br><br><TABLE cellpadding='1px' cellspacing='0px' border='0px' bordercolor='#F5F5F5' align='center' width='".$graph_width."'><TR valign='middle' align='middle' style='font-size:8pt;color:blue;' >";
//
// $graph.="<TD width='10%'>Series</TD><TD width='10%'>Longest</TD><TD width='10%'>Nb values</TD><TD width='10%'>Min value</TD><TD width='10%'>Max value</TD><TD width='10%'>Y div.</TD><TD width='10%'>Range</TD><TD width='10%'>Used range</TD><TD width='10%'>Div. value</TD><TD width='10%'>Used div. value</TD></TR>";
//
// $graph.="<TR valign='middle' align='middle' style='font-size:8pt;color:blue;' ><TD width='10%'>".$dataset_nb."</TD><TD width='10%'>".$long_dataset."</TD><TD width='10%'>".$max_nb_val."</TD><TD width='10%'>".$min_data."</TD><TD width='10%'>".$max_data."</TD><TD width='10%'>".$y_step_nb."</TD><TD width='10%'>".$y_total_gap."</TD><TD width='10%'>".$y_total_gap_use."</TD><TD width='10%'>".$y_step_val_abs."</TD><TD width='10%'>".$y_step_val_use."</TD>";
//
// $graph.="</TR></TABLE>";
####END DEBUG
$graph="<br><br><TABLE cellpadding='1px' cellspacing='0px' border='0px' bordercolor='#F5F5F5' align='center' width='".$graph_width."'><TR valign='bottom' bgcolor='gray' >".$graph_content.$graph_y."</TR><TR height='1px'><TD colspan='3'></TD><TD COLSPAN='".count($dataset0)."' style='border-top:1px solid blue;' ></TD></TR><TR valign='top' height='".$graph_line_height."px' style='font-size:8pt;'><TD></TD><TD></TD><TD></TD>".$x_axis."</TR>";
$datatable="";
$d=0;
while($d<$dataset_nb)
{
$datatable.="<TR valign='middle'>".${'dataline'.$d}."</TR>";
++$d;
if(!isset(${'dataset'.$d})){break;}
}
$datatable.="<TD COLSPAN='".$colspan."' style='border-top:1px solid blue;' ></TD></TR></TABLE>";
$graph.=$datatable;
echo $graph;
?> |
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