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4669d  replaceImageMapValues
4669d  createFunctionSerie
4669d  setAbsicssaPosition
4669d  negateValues
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negateValues - negate all your serie values

This function allow you to negate the specified serie values. this function is usually used when you want to reverse the X axis.

Calling this function
Where :

SerieName is the name (or an array of name) of the serie(s) to negate.

Sample script

 /* pChart library inclusions */ 

 /* Create and populate the pData object */ 
 $MyData = new pData();   
 $MyData->addPoints(array(4,VOID,VOID,12,8,3),"Probe 1"); 
 $MyData->addPoints(array(3,12,15,8,5,5),"Probe 2"); 
 $MyData->addPoints(array(2,7,5,18,19,22),"Probe 3"); 
 $MyData->setPalette("Probe 1",array("R"=>220,"G"=>60,"B"=>20)); 
 $MyData->setSerieTicks("Probe 2",4); 
 $MyData->setSerieWeight("Probe 3",2); 

 /* Reverse the Y axis trick */ 
 $MyData->negateValues(array("Probe 1","Probe 2","Probe 3")); 
 function NegateValuesDisplay($Value) { if ( $Value == VOID ) { return(VOID); } else { return(-$Value); } }
 /* Create the pChart object */ 
 $myPicture = new pImage(700,230,$MyData); 

 /* Turn of Antialiasing */ 
 $myPicture->Antialias = FALSE; 

 /* Draw a background */ 
 $Settings = array("R"=>190, "G"=>213, "B"=>107, "Dash"=>1, "DashR"=>210, "DashG"=>223, "DashB"=>127); 

 /* Add a border to the picture */ 
 /* Write the chart title */  
 $myPicture->drawText(150,35,"Average temperature",array("FontSize"=>20,"Align"=>TEXT_ALIGN_BOTTOMMIDDLE));
 /* Set the default font */ 
 /* Define the chart area */ 

 /* Draw the scale */ 
 $scaleSettings = array("XMargin"=>10,"YMargin"=>10,"Floating"=>TRUE,"GridR"=>200, "GridG"=>200,"GridB"=>200,"DrawSubTicks"=>TRUE, "CycleBackground"=>TRUE);

 /* Turn on Antialiasing */ 
 $myPicture->Antialias = TRUE; 

 /* Draw the line chart */ 
 /* Write the chart legend */ 
 /* Render the picture (choose the best way) */ 
Last updated on 09/09/2011 
by Jean-Damien 
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