I had created combo chart which displays both scatter chart and line chart in single chart. i want to display a curved line in this combo chart .For now, i had created line(which is not curved). Can i create curved line in combo chart ? Is it possible?. here is my code :(data is retrieved from Mysql and arrays from PHP). Can you suggest me necessary correction.
code: <html> <head> <title>Google Charts </title> <script type="text/javascript" src="https://www.gstatic.com/charts/loader.js";></script> <script type="text/javascript" src="https://www.google.com/jsapi";></script> <script type="text/javascript"> google.load("visualization", "1", {packages:["corechart"], "callback": drawChart}); google.setOnLoadCallback(drawChart); <?php $sql = mysql_connect("localhost","root",""); if(!$sql) { echo "Connection Not Created"; } $con = mysql_select_db("PRJ"); if(!$sql) { echo "Database Not Connected"; } $sql = "select * from CF"; $result = mysql_query($sql); $count=0; while($row = mysql_fetch_array($result)) { $a[]=$row['x']; $b[]=$row['y']; $count++; } $tot=0; $toty=0; $xsqtot=0; $ysqtot=0; $xytot=0; for($i=0;$i<$count;$i++) { $tot=$tot+$a[$i]; $toty=$toty+$b[$i]; $xpow[]=$a[$i]*$a[$i]; $ypow[]=$b[$i]*$b[$i]; $xsqtot=$xsqtot+$xpow[$i]; $ysqtot=$ysqtot+$ypow[$i]; $product[]=$a[$i]*$b[$i]; $xytot=$xytot+$product[$i]; } $p=(($tot*$toty)-($count*$xytot))/(($tot*$tot)-($count*$xsqtot)); $q=(($xytot*$tot)-($xsqtot*$toty))/(($tot*$tot)-($count*$xsqtot)); for($i=0;$i<$count;$i++) { $cfy[]=($p*$a[$i])+$q; } $ct=sizeof($a); ?> var x=new Array(); <?php for($i=0;$i<$count;$i++){ echo "x[$i]=".$a[$i].";\n";} ?> var y=new Array(); <?php for($i=0;$i<$count;$i++){ echo "y[$i]=".$b[$i].";\n";} ?> var z=new Array(); <?php for($i=0;$i<$count;$i++){ echo "z[$i]=".$cfy[$i].";\n";} ?> function drawChart() { var data = new google.visualization.DataTable(); data.addColumn('number', 'independent'); data.addColumn('number', 'dependent'); data.addColumn('number', 'Corrected'); for(var i=0;i<x.length;i++) { data.addRows([[x[i],y[i],z[i]]]); } var options = {'title':'LAT VS LONG ', vAxis: {title: 'Dependent variable (Y)'}, hAxis: {title: 'Independent variable (X)'}, 'width':550, 'height':400, seriesType:'scatter', series: {1: {type: 'line'}}, }; var chart = new google.visualization.ComboChart(document.getElementById('chart')); chart.draw(data, options); } </script> </head> <body> <div id="chart" style="width: 900px; height: 500px;"></div> </body> </html> -- You received this message because you are subscribed to the Google Groups "Google Visualization API" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/google-visualization-api. To view this discussion on the web visit https://groups.google.com/d/msgid/google-visualization-api/9e204cf8-896d-4458-9030-d5016ec0b947%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
