788 lines
31 KiB
PHP
788 lines
31 KiB
PHP
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<?php
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/*
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pDraw - class to manipulate data arrays
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Version : 2.1.4
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Made by : Jean-Damien POGOLOTTI
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Last Update : 19/01/2014
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This file can be distributed under the license you can find at :
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http://www.pchart.net/license
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You can find the whole class documentation on the pChart web site.
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*/
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/* Axis configuration */
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define("AXIS_FORMAT_DEFAULT" , 680001);
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define("AXIS_FORMAT_TIME" , 680002);
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define("AXIS_FORMAT_DATE" , 680003);
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define("AXIS_FORMAT_METRIC" , 680004);
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define("AXIS_FORMAT_CURRENCY" , 680005);
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define("AXIS_FORMAT_TRAFFIC" , 680006);
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define("AXIS_FORMAT_CUSTOM" , 680007);
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/* Axis position */
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define("AXIS_POSITION_LEFT" , 681001);
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define("AXIS_POSITION_RIGHT" , 681002);
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define("AXIS_POSITION_TOP" , 681001);
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define("AXIS_POSITION_BOTTOM" , 681002);
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/* Families of data points */
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define("SERIE_SHAPE_FILLEDCIRCLE" , 681011);
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define("SERIE_SHAPE_FILLEDTRIANGLE" , 681012);
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define("SERIE_SHAPE_FILLEDSQUARE" , 681013);
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define("SERIE_SHAPE_FILLEDDIAMOND" , 681017);
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define("SERIE_SHAPE_CIRCLE" , 681014);
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define("SERIE_SHAPE_TRIANGLE" , 681015);
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define("SERIE_SHAPE_SQUARE" , 681016);
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define("SERIE_SHAPE_DIAMOND" , 681018);
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/* Axis position */
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define("AXIS_X" , 682001);
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define("AXIS_Y" , 682002);
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/* Define value limits */
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define("ABSOLUTE_MIN" , -10000000000000);
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define("ABSOLUTE_MAX" , 10000000000000);
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/* Replacement to the PHP NULL keyword */
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define("VOID" , 0.123456789);
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/* Euro symbol for GD fonts */
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define("EURO_SYMBOL" , utf8_encode("€"));
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/* pData class definition */
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class pData
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{
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var $Data;
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var $Palette = array("0"=>array("R"=>188,"G"=>224,"B"=>46,"Alpha"=>100),
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"1"=>array("R"=>224,"G"=>100,"B"=>46,"Alpha"=>100),
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"2"=>array("R"=>224,"G"=>214,"B"=>46,"Alpha"=>100),
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"3"=>array("R"=>46,"G"=>151,"B"=>224,"Alpha"=>100),
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"4"=>array("R"=>176,"G"=>46,"B"=>224,"Alpha"=>100),
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"5"=>array("R"=>224,"G"=>46,"B"=>117,"Alpha"=>100),
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"6"=>array("R"=>92,"G"=>224,"B"=>46,"Alpha"=>100),
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"7"=>array("R"=>224,"G"=>176,"B"=>46,"Alpha"=>100));
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/* Class creator */
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function pData()
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{
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$this->Data = "";
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$this->Data["XAxisDisplay"] = AXIS_FORMAT_DEFAULT;
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$this->Data["XAxisFormat"] = NULL;
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$this->Data["XAxisName"] = NULL;
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$this->Data["XAxisUnit"] = NULL;
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$this->Data["Abscissa"] = NULL;
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$this->Data["AbsicssaPosition"] = AXIS_POSITION_BOTTOM;
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$this->Data["Axis"][0]["Display"] = AXIS_FORMAT_DEFAULT;
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$this->Data["Axis"][0]["Position"] = AXIS_POSITION_LEFT;
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$this->Data["Axis"][0]["Identity"] = AXIS_Y;
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}
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/* Add a single point or an array to the given serie */
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function addPoints($Values,$SerieName="Serie1")
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{
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if (!isset($this->Data["Series"][$SerieName]))
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$this->initialise($SerieName);
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if ( is_array($Values) )
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{
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foreach($Values as $Key => $Value)
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{ $this->Data["Series"][$SerieName]["Data"][] = $Value; }
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}
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else
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$this->Data["Series"][$SerieName]["Data"][] = $Values;
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if ( $Values != VOID )
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{
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$StrippedData = $this->stripVOID($this->Data["Series"][$SerieName]["Data"]);
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if ( empty($StrippedData) ) { $this->Data["Series"][$SerieName]["Max"] = 0; $this->Data["Series"][$SerieName]["Min"] =0; return(0); }
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$this->Data["Series"][$SerieName]["Max"] = max($StrippedData);
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$this->Data["Series"][$SerieName]["Min"] = min($StrippedData);
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}
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}
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/* Strip VOID values */
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function stripVOID($Values)
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{ if (!is_array($Values)) { return(array()); } $Result = array(); foreach($Values as $Key => $Value) { if ( $Value != VOID ) { $Result[] = $Value; } } return($Result); }
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/* Return the number of values contained in a given serie */
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function getSerieCount($Serie)
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{ if (isset($this->Data["Series"][$Serie]["Data"])) { return(sizeof($this->Data["Series"][$Serie]["Data"])); } else { return(0); } }
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/* Remove a serie from the pData object */
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function removeSerie($Series)
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{
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if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
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foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie])) { unset($this->Data["Series"][$Serie]); } }
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}
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/* Return a value from given serie & index */
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function getValueAt($Serie,$Index=0)
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{ if (isset($this->Data["Series"][$Serie]["Data"][$Index])) { return($this->Data["Series"][$Serie]["Data"][$Index]); } else { return(NULL); } }
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/* Return the values array */
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function getValues($Serie)
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{ if (isset($this->Data["Series"][$Serie]["Data"])) { return($this->Data["Series"][$Serie]["Data"]); } else { return(NULL); } }
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/* Reverse the values in the given serie */
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function reverseSerie($Series)
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{
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if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
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foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie]["Data"])) { $this->Data["Series"][$Serie]["Data"] = array_reverse($this->Data["Series"][$Serie]["Data"]); } }
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}
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/* Return the sum of the serie values */
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function getSum($Serie)
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{ if (isset($this->Data["Series"][$Serie])) { return(array_sum($this->Data["Series"][$Serie]["Data"])); } else { return(NULL); } }
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/* Return the max value of a given serie */
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function getMax($Serie)
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{ if (isset($this->Data["Series"][$Serie]["Max"])) { return($this->Data["Series"][$Serie]["Max"]); } else { return(NULL); } }
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/* Return the min value of a given serie */
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function getMin($Serie)
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{ if (isset($this->Data["Series"][$Serie]["Min"])) { return($this->Data["Series"][$Serie]["Min"]); } else { return(NULL); } }
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/* Set the description of a given serie */
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function setSerieShape($Series,$Shape=SERIE_SHAPE_FILLEDCIRCLE)
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{
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if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
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foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["Shape"] = $Shape; } }
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}
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/* Set the description of a given serie */
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function setSerieDescription($Series,$Description="My serie")
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{
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if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
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foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["Description"] = $Description; } }
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}
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/* Set a serie as "drawable" while calling a rendering function */
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function setSerieDrawable($Series,$Drawable=TRUE)
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{
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if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
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foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["isDrawable"] = $Drawable; } }
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}
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/* Set the icon associated to a given serie */
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function setSeriePicture($Series,$Picture=NULL)
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{
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if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
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foreach($Series as $Key => $Serie) { if (isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["Picture"] = $Picture; } }
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}
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/* Set the name of the X Axis */
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function setXAxisName($Name)
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{ $this->Data["XAxisName"] = $Name; }
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/* Set the display mode of the X Axis */
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function setXAxisDisplay($Mode,$Format=NULL)
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{ $this->Data["XAxisDisplay"] = $Mode; $this->Data["XAxisFormat"] = $Format; }
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/* Set the unit that will be displayed on the X axis */
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function setXAxisUnit($Unit)
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{ $this->Data["XAxisUnit"] = $Unit; }
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/* Set the serie that will be used as abscissa */
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function setAbscissa($Serie)
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{ if (isset($this->Data["Series"][$Serie])) { $this->Data["Abscissa"] = $Serie; } }
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function setAbsicssaPosition($Position = AXIS_POSITION_BOTTOM)
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{ $this->Data["AbsicssaPosition"] = $Position; }
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/* Set the name of the abscissa axis */
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function setAbscissaName($Name)
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{ $this->Data["AbscissaName"] = $Name; }
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/* Create a scatter group specifyin X and Y data series */
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function setScatterSerie($SerieX,$SerieY,$ID=0)
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{ if (isset($this->Data["Series"][$SerieX]) && isset($this->Data["Series"][$SerieY]) ) { $this->initScatterSerie($ID); $this->Data["ScatterSeries"][$ID]["X"] = $SerieX; $this->Data["ScatterSeries"][$ID]["Y"] = $SerieY; } }
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/* Set the shape of a given sctatter serie */
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function setScatterSerieShape($ID,$Shape=SERIE_SHAPE_FILLEDCIRCLE)
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{ if (isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["Shape"] = $Shape; } }
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/* Set the description of a given scatter serie */
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function setScatterSerieDescription($ID,$Description="My serie")
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{ if (isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["Description"] = $Description; } }
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/* Set the icon associated to a given scatter serie */
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function setScatterSeriePicture($ID,$Picture=NULL)
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{ if (isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["Picture"] = $Picture; } }
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/* Set a scatter serie as "drawable" while calling a rendering function */
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function setScatterSerieDrawable($ID ,$Drawable=TRUE)
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{ if (isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["isDrawable"] = $Drawable; } }
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/* Define if a scatter serie should be draw with ticks */
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function setScatterSerieTicks($ID,$Width=0)
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{ if ( isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["Ticks"] = $Width; } }
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/* Define if a scatter serie should be draw with a special weight */
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function setScatterSerieWeight($ID,$Weight=0)
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{ if ( isset($this->Data["ScatterSeries"][$ID]) ) { $this->Data["ScatterSeries"][$ID]["Weight"] = $Weight; } }
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/* Associate a color to a scatter serie */
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function setScatterSerieColor($ID,$Format)
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{
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$R = isset($Format["R"]) ? $Format["R"] : 0;
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$G = isset($Format["G"]) ? $Format["G"] : 0;
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$B = isset($Format["B"]) ? $Format["B"] : 0;
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$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
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if ( isset($this->Data["ScatterSeries"][$ID]) )
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{
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$this->Data["ScatterSeries"][$ID]["Color"]["R"] = $R;
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$this->Data["ScatterSeries"][$ID]["Color"]["G"] = $G;
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$this->Data["ScatterSeries"][$ID]["Color"]["B"] = $B;
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$this->Data["ScatterSeries"][$ID]["Color"]["Alpha"] = $Alpha;
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}
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}
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/* Compute the series limits for an individual and global point of view */
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function limits()
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{
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$GlobalMin = ABSOLUTE_MAX;
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$GlobalMax = ABSOLUTE_MIN;
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foreach($this->Data["Series"] as $Key => $Value)
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{
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if ( $this->Data["Abscissa"] != $Key && $this->Data["Series"][$Key]["isDrawable"] == TRUE)
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{
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if ( $GlobalMin > $this->Data["Series"][$Key]["Min"] ) { $GlobalMin = $this->Data["Series"][$Key]["Min"]; }
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if ( $GlobalMax < $this->Data["Series"][$Key]["Max"] ) { $GlobalMax = $this->Data["Series"][$Key]["Max"]; }
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}
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}
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$this->Data["Min"] = $GlobalMin;
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$this->Data["Max"] = $GlobalMax;
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return(array($GlobalMin,$GlobalMax));
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}
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/* Mark all series as drawable */
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function drawAll()
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{ foreach($this->Data["Series"] as $Key => $Value) { if ( $this->Data["Abscissa"] != $Key ) { $this->Data["Series"][$Key]["isDrawable"]=TRUE; } } }
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/* Return the average value of the given serie */
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function getSerieAverage($Serie)
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{
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if ( isset($this->Data["Series"][$Serie]) )
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{
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$SerieData = $this->stripVOID($this->Data["Series"][$Serie]["Data"]);
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return(array_sum($SerieData)/sizeof($SerieData));
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}
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else
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return(NULL);
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}
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/* Return the geometric mean of the given serie */
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function getGeometricMean($Serie)
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{
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if ( isset($this->Data["Series"][$Serie]) )
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{
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$SerieData = $this->stripVOID($this->Data["Series"][$Serie]["Data"]);
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$Seriesum = 1; foreach($SerieData as $Key => $Value) { $Seriesum = $Seriesum * $Value; }
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return(pow($Seriesum,1/sizeof($SerieData)));
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}
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else
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return(NULL);
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}
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/* Return the harmonic mean of the given serie */
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function getHarmonicMean($Serie)
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{
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if ( isset($this->Data["Series"][$Serie]) )
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{
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$SerieData = $this->stripVOID($this->Data["Series"][$Serie]["Data"]);
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$Seriesum = 0; foreach($SerieData as $Key => $Value) { $Seriesum = $Seriesum + 1/$Value; }
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return(sizeof($SerieData)/$Seriesum);
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}
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else
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return(NULL);
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}
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||
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/* Return the standard deviation of the given serie */
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function getStandardDeviation($Serie)
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{
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if ( isset($this->Data["Series"][$Serie]) )
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{
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$Average = $this->getSerieAverage($Serie);
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$SerieData = $this->stripVOID($this->Data["Series"][$Serie]["Data"]);
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$DeviationSum = 0;
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foreach($SerieData as $Key => $Value)
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$DeviationSum = $DeviationSum + ($Value-$Average)*($Value-$Average);
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$Deviation = sqrt($DeviationSum/count($SerieData));
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return($Deviation);
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}
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else
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return(NULL);
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}
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/* Return the Coefficient of variation of the given serie */
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||
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function getCoefficientOfVariation($Serie)
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||
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{
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if ( isset($this->Data["Series"][$Serie]) )
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{
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$Average = $this->getSerieAverage($Serie);
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$StandardDeviation = $this->getStandardDeviation($Serie);
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if ( $StandardDeviation != 0 )
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return($StandardDeviation/$Average);
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else
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return(NULL);
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||
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}
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||
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else
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||
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return(NULL);
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}
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||
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||
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/* Return the median value of the given serie */
|
||
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function getSerieMedian($Serie)
|
||
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{
|
||
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if ( isset($this->Data["Series"][$Serie]) )
|
||
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{
|
||
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$SerieData = $this->stripVOID($this->Data["Series"][$Serie]["Data"]);
|
||
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sort($SerieData);
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||
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$SerieCenter = floor(sizeof($SerieData)/2);
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||
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if ( isset($SerieData[$SerieCenter]) )
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||
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return($SerieData[$SerieCenter]);
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||
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else
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||
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return(NULL);
|
||
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}
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||
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else
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||
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return(NULL);
|
||
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}
|
||
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|
||
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/* Return the x th percentil of the given serie */
|
||
|
function getSeriePercentile($Serie="Serie1",$Percentil=95)
|
||
|
{
|
||
|
if (!isset($this->Data["Series"][$Serie]["Data"])) { return(NULL); }
|
||
|
|
||
|
$Values = count($this->Data["Series"][$Serie]["Data"])-1;
|
||
|
if ( $Values < 0 ) { $Values = 0; }
|
||
|
|
||
|
$PercentilID = floor(($Values/100)*$Percentil+.5);
|
||
|
$SortedValues = $this->Data["Series"][$Serie]["Data"];
|
||
|
sort($SortedValues);
|
||
|
|
||
|
if ( is_numeric($SortedValues[$PercentilID]) )
|
||
|
return($SortedValues[$PercentilID]);
|
||
|
else
|
||
|
return(NULL);
|
||
|
}
|
||
|
|
||
|
/* Add random values to a given serie */
|
||
|
function addRandomValues($SerieName="Serie1",$Options="")
|
||
|
{
|
||
|
$Values = isset($Options["Values"]) ? $Options["Values"] : 20;
|
||
|
$Min = isset($Options["Min"]) ? $Options["Min"] : 0;
|
||
|
$Max = isset($Options["Max"]) ? $Options["Max"] : 100;
|
||
|
$withFloat = isset($Options["withFloat"]) ? $Options["withFloat"] : FALSE;
|
||
|
|
||
|
for ($i=0;$i<=$Values;$i++)
|
||
|
{
|
||
|
if ( $withFloat ) { $Value = rand($Min*100,$Max*100)/100; } else { $Value = rand($Min,$Max); }
|
||
|
$this->addPoints($Value,$SerieName);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Test if we have valid data */
|
||
|
function containsData()
|
||
|
{
|
||
|
if (!isset($this->Data["Series"])) { return(FALSE); }
|
||
|
|
||
|
$Result = FALSE;
|
||
|
foreach($this->Data["Series"] as $Key => $Value)
|
||
|
{ if ( $this->Data["Abscissa"] != $Key && $this->Data["Series"][$Key]["isDrawable"]==TRUE) { $Result=TRUE; } }
|
||
|
return($Result);
|
||
|
}
|
||
|
|
||
|
/* Set the display mode of an Axis */
|
||
|
function setAxisDisplay($AxisID,$Mode=AXIS_FORMAT_DEFAULT,$Format=NULL)
|
||
|
{
|
||
|
if ( isset($this->Data["Axis"][$AxisID] ) )
|
||
|
{
|
||
|
$this->Data["Axis"][$AxisID]["Display"] = $Mode;
|
||
|
if ( $Format != NULL ) { $this->Data["Axis"][$AxisID]["Format"] = $Format; }
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Set the position of an Axis */
|
||
|
function setAxisPosition($AxisID,$Position=AXIS_POSITION_LEFT)
|
||
|
{ if ( isset($this->Data["Axis"][$AxisID] ) ) { $this->Data["Axis"][$AxisID]["Position"] = $Position; } }
|
||
|
|
||
|
/* Associate an unit to an axis */
|
||
|
function setAxisUnit($AxisID,$Unit)
|
||
|
{ if ( isset($this->Data["Axis"][$AxisID] ) ) { $this->Data["Axis"][$AxisID]["Unit"] = $Unit; } }
|
||
|
|
||
|
/* Associate a name to an axis */
|
||
|
function setAxisName($AxisID,$Name)
|
||
|
{ if ( isset($this->Data["Axis"][$AxisID] ) ) { $this->Data["Axis"][$AxisID]["Name"] = $Name; } }
|
||
|
|
||
|
/* Associate a color to an axis */
|
||
|
function setAxisColor($AxisID,$Format)
|
||
|
{
|
||
|
$R = isset($Format["R"]) ? $Format["R"] : 0;
|
||
|
$G = isset($Format["G"]) ? $Format["G"] : 0;
|
||
|
$B = isset($Format["B"]) ? $Format["B"] : 0;
|
||
|
$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
|
||
|
|
||
|
if ( isset($this->Data["Axis"][$AxisID] ) )
|
||
|
{
|
||
|
$this->Data["Axis"][$AxisID]["Color"]["R"] = $R;
|
||
|
$this->Data["Axis"][$AxisID]["Color"]["G"] = $G;
|
||
|
$this->Data["Axis"][$AxisID]["Color"]["B"] = $B;
|
||
|
$this->Data["Axis"][$AxisID]["Color"]["Alpha"] = $Alpha;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/* Design an axis as X or Y member */
|
||
|
function setAxisXY($AxisID,$Identity=AXIS_Y)
|
||
|
{ if ( isset($this->Data["Axis"][$AxisID] ) ) { $this->Data["Axis"][$AxisID]["Identity"] = $Identity; } }
|
||
|
|
||
|
/* Associate one data serie with one axis */
|
||
|
function setSerieOnAxis($Series,$AxisID)
|
||
|
{
|
||
|
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
|
||
|
foreach($Series as $Key => $Serie)
|
||
|
{
|
||
|
$PreviousAxis = $this->Data["Series"][$Serie]["Axis"];
|
||
|
|
||
|
/* Create missing axis */
|
||
|
if ( !isset($this->Data["Axis"][$AxisID] ) )
|
||
|
{ $this->Data["Axis"][$AxisID]["Position"] = AXIS_POSITION_LEFT; $this->Data["Axis"][$AxisID]["Identity"] = AXIS_Y;}
|
||
|
|
||
|
$this->Data["Series"][$Serie]["Axis"] = $AxisID;
|
||
|
|
||
|
/* Cleanup unused axis */
|
||
|
$Found = FALSE;
|
||
|
foreach($this->Data["Series"] as $SerieName => $Values) { if ( $Values["Axis"] == $PreviousAxis ) { $Found = TRUE; } }
|
||
|
if (!$Found) { unset($this->Data["Axis"][$PreviousAxis]); }
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Define if a serie should be draw with ticks */
|
||
|
function setSerieTicks($Series,$Width=0)
|
||
|
{
|
||
|
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
|
||
|
foreach($Series as $Key => $Serie) { if ( isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["Ticks"] = $Width; } }
|
||
|
}
|
||
|
|
||
|
/* Define if a serie should be draw with a special weight */
|
||
|
function setSerieWeight($Series,$Weight=0)
|
||
|
{
|
||
|
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
|
||
|
foreach($Series as $Key => $Serie) { if ( isset($this->Data["Series"][$Serie]) ) { $this->Data["Series"][$Serie]["Weight"] = $Weight; } }
|
||
|
}
|
||
|
|
||
|
/* Returns the palette of the given serie */
|
||
|
function getSeriePalette($Serie)
|
||
|
{
|
||
|
if ( !isset($this->Data["Series"][$Serie]) ) { return(NULL); }
|
||
|
|
||
|
$Result = "";
|
||
|
$Result["R"] = $this->Data["Series"][$Serie]["Color"]["R"];
|
||
|
$Result["G"] = $this->Data["Series"][$Serie]["Color"]["G"];
|
||
|
$Result["B"] = $this->Data["Series"][$Serie]["Color"]["B"];
|
||
|
$Result["Alpha"] = $this->Data["Series"][$Serie]["Color"]["Alpha"];
|
||
|
|
||
|
return($Result);
|
||
|
}
|
||
|
|
||
|
/* Set the color of one serie */
|
||
|
function setPalette($Series,$Format=NULL)
|
||
|
{
|
||
|
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
|
||
|
|
||
|
foreach($Series as $Key => $Serie)
|
||
|
{
|
||
|
$R = isset($Format["R"]) ? $Format["R"] : 0;
|
||
|
$G = isset($Format["G"]) ? $Format["G"] : 0;
|
||
|
$B = isset($Format["B"]) ? $Format["B"] : 0;
|
||
|
$Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
|
||
|
|
||
|
if ( isset($this->Data["Series"][$Serie]) )
|
||
|
{
|
||
|
$OldR = $this->Data["Series"][$Serie]["Color"]["R"]; $OldG = $this->Data["Series"][$Serie]["Color"]["G"]; $OldB = $this->Data["Series"][$Serie]["Color"]["B"];
|
||
|
$this->Data["Series"][$Serie]["Color"]["R"] = $R;
|
||
|
$this->Data["Series"][$Serie]["Color"]["G"] = $G;
|
||
|
$this->Data["Series"][$Serie]["Color"]["B"] = $B;
|
||
|
$this->Data["Series"][$Serie]["Color"]["Alpha"] = $Alpha;
|
||
|
|
||
|
/* Do reverse processing on the internal palette array */
|
||
|
foreach ($this->Palette as $Key => $Value)
|
||
|
{ if ($Value["R"] == $OldR && $Value["G"] == $OldG && $Value["B"] == $OldB) { $this->Palette[$Key]["R"] = $R; $this->Palette[$Key]["G"] = $G; $this->Palette[$Key]["B"] = $B; $this->Palette[$Key]["Alpha"] = $Alpha;} }
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Load a palette file */
|
||
|
function loadPalette($FileName,$Overwrite=FALSE)
|
||
|
{
|
||
|
if ( !file_exists($FileName) ) { return(-1); }
|
||
|
if ( $Overwrite ) { $this->Palette = ""; }
|
||
|
|
||
|
$fileHandle = @fopen($FileName, "r");
|
||
|
if (!$fileHandle) { return(-1); }
|
||
|
while (!feof($fileHandle))
|
||
|
{
|
||
|
$buffer = fgets($fileHandle, 4096);
|
||
|
if ( preg_match("/,/",$buffer) )
|
||
|
{
|
||
|
list($R,$G,$B,$Alpha) = preg_split("/,/",$buffer);
|
||
|
if ( $this->Palette == "" ) { $ID = 0; } else { $ID = count($this->Palette); }
|
||
|
$this->Palette[$ID] = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha);
|
||
|
}
|
||
|
}
|
||
|
fclose($fileHandle);
|
||
|
|
||
|
/* Apply changes to current series */
|
||
|
$ID = 0;
|
||
|
if ( isset($this->Data["Series"]))
|
||
|
{
|
||
|
foreach($this->Data["Series"] as $Key => $Value)
|
||
|
{
|
||
|
if ( !isset($this->Palette[$ID]) )
|
||
|
$this->Data["Series"][$Key]["Color"] = array("R"=>0,"G"=>0,"B"=>0,"Alpha"=>0);
|
||
|
else
|
||
|
$this->Data["Series"][$Key]["Color"] = $this->Palette[$ID];
|
||
|
$ID++;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Initialise a given scatter serie */
|
||
|
function initScatterSerie($ID)
|
||
|
{
|
||
|
if ( isset($this->Data["ScatterSeries"][$ID]) ) { return(0); }
|
||
|
|
||
|
$this->Data["ScatterSeries"][$ID]["Description"] = "Scatter ".$ID;
|
||
|
$this->Data["ScatterSeries"][$ID]["isDrawable"] = TRUE;
|
||
|
$this->Data["ScatterSeries"][$ID]["Picture"] = NULL;
|
||
|
$this->Data["ScatterSeries"][$ID]["Ticks"] = 0;
|
||
|
$this->Data["ScatterSeries"][$ID]["Weight"] = 0;
|
||
|
|
||
|
if ( isset($this->Palette[$ID]) )
|
||
|
$this->Data["ScatterSeries"][$ID]["Color"] = $this->Palette[$ID];
|
||
|
else
|
||
|
{
|
||
|
$this->Data["ScatterSeries"][$ID]["Color"]["R"] = rand(0,255);
|
||
|
$this->Data["ScatterSeries"][$ID]["Color"]["G"] = rand(0,255);
|
||
|
$this->Data["ScatterSeries"][$ID]["Color"]["B"] = rand(0,255);
|
||
|
$this->Data["ScatterSeries"][$ID]["Color"]["Alpha"] = 100;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Initialise a given serie */
|
||
|
function initialise($Serie)
|
||
|
{
|
||
|
if ( isset($this->Data["Series"]) ) { $ID = count($this->Data["Series"]); } else { $ID = 0; }
|
||
|
|
||
|
$this->Data["Series"][$Serie]["Description"] = $Serie;
|
||
|
$this->Data["Series"][$Serie]["isDrawable"] = TRUE;
|
||
|
$this->Data["Series"][$Serie]["Picture"] = NULL;
|
||
|
$this->Data["Series"][$Serie]["Max"] = NULL;
|
||
|
$this->Data["Series"][$Serie]["Min"] = NULL;
|
||
|
$this->Data["Series"][$Serie]["Axis"] = 0;
|
||
|
$this->Data["Series"][$Serie]["Ticks"] = 0;
|
||
|
$this->Data["Series"][$Serie]["Weight"] = 0;
|
||
|
$this->Data["Series"][$Serie]["Shape"] = SERIE_SHAPE_FILLEDCIRCLE;
|
||
|
|
||
|
if ( isset($this->Palette[$ID]) )
|
||
|
$this->Data["Series"][$Serie]["Color"] = $this->Palette[$ID];
|
||
|
else
|
||
|
{
|
||
|
$this->Data["Series"][$Serie]["Color"]["R"] = rand(0,255);
|
||
|
$this->Data["Series"][$Serie]["Color"]["G"] = rand(0,255);
|
||
|
$this->Data["Series"][$Serie]["Color"]["B"] = rand(0,255);
|
||
|
$this->Data["Series"][$Serie]["Color"]["Alpha"] = 100;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
function normalize($NormalizationFactor=100,$UnitChange=NULL,$Round=1)
|
||
|
{
|
||
|
$Abscissa = $this->Data["Abscissa"];
|
||
|
|
||
|
$SelectedSeries = "";
|
||
|
$MaxVal = 0;
|
||
|
foreach($this->Data["Axis"] as $AxisID => $Axis)
|
||
|
{
|
||
|
if ( $UnitChange != NULL ) { $this->Data["Axis"][$AxisID]["Unit"] = $UnitChange; }
|
||
|
|
||
|
foreach($this->Data["Series"] as $SerieName => $Serie)
|
||
|
{
|
||
|
if ($Serie["Axis"] == $AxisID && $Serie["isDrawable"] == TRUE && $SerieName != $Abscissa)
|
||
|
{
|
||
|
$SelectedSeries[$SerieName] = $SerieName;
|
||
|
|
||
|
if ( count($Serie["Data"] ) > $MaxVal ) { $MaxVal = count($Serie["Data"]); }
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
for($i=0;$i<=$MaxVal-1;$i++)
|
||
|
{
|
||
|
$Factor = 0;
|
||
|
foreach ($SelectedSeries as $Key => $SerieName )
|
||
|
{
|
||
|
$Value = $this->Data["Series"][$SerieName]["Data"][$i];
|
||
|
if ( $Value != VOID )
|
||
|
$Factor = $Factor + abs($Value);
|
||
|
}
|
||
|
|
||
|
if ( $Factor != 0 )
|
||
|
{
|
||
|
$Factor = $NormalizationFactor / $Factor;
|
||
|
|
||
|
foreach ($SelectedSeries as $Key => $SerieName )
|
||
|
{
|
||
|
$Value = $this->Data["Series"][$SerieName]["Data"][$i];
|
||
|
|
||
|
if ( $Value != VOID && $Factor != $NormalizationFactor )
|
||
|
$this->Data["Series"][$SerieName]["Data"][$i] = round(abs($Value)*$Factor,$Round);
|
||
|
elseif ( $Value == VOID || $Value == 0 )
|
||
|
$this->Data["Series"][$SerieName]["Data"][$i] = VOID;
|
||
|
elseif ( $Factor == $NormalizationFactor )
|
||
|
$this->Data["Series"][$SerieName]["Data"][$i] = $NormalizationFactor;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
foreach ($SelectedSeries as $Key => $SerieName )
|
||
|
{
|
||
|
$this->Data["Series"][$SerieName]["Max"] = max($this->stripVOID($this->Data["Series"][$SerieName]["Data"]));
|
||
|
$this->Data["Series"][$SerieName]["Min"] = min($this->stripVOID($this->Data["Series"][$SerieName]["Data"]));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Load data from a CSV (or similar) data source */
|
||
|
function importFromCSV($FileName,$Options="")
|
||
|
{
|
||
|
$Delimiter = isset($Options["Delimiter"]) ? $Options["Delimiter"] : ",";
|
||
|
$GotHeader = isset($Options["GotHeader"]) ? $Options["GotHeader"] : FALSE;
|
||
|
$SkipColumns = isset($Options["SkipColumns"]) ? $Options["SkipColumns"] : array(-1);
|
||
|
$DefaultSerieName = isset($Options["DefaultSerieName"]) ? $Options["DefaultSerieName"] : "Serie";
|
||
|
|
||
|
$Handle = @fopen($FileName,"r");
|
||
|
if ($Handle)
|
||
|
{
|
||
|
$HeaderParsed = FALSE; $SerieNames = "";
|
||
|
while (!feof($Handle))
|
||
|
{
|
||
|
$Buffer = fgets($Handle, 4096);
|
||
|
$Buffer = str_replace(chr(10),"",$Buffer);
|
||
|
$Buffer = str_replace(chr(13),"",$Buffer);
|
||
|
$Values = preg_split("/".$Delimiter."/",$Buffer);
|
||
|
|
||
|
if ( $Buffer != "" )
|
||
|
{
|
||
|
if ( $GotHeader && !$HeaderParsed )
|
||
|
{
|
||
|
foreach($Values as $Key => $Name) { if ( !in_array($Key,$SkipColumns) ) { $SerieNames[$Key] = $Name; } }
|
||
|
$HeaderParsed = TRUE;
|
||
|
}
|
||
|
else
|
||
|
{
|
||
|
if ($SerieNames == "" ) { foreach($Values as $Key => $Name) { if ( !in_array($Key,$SkipColumns) ) { $SerieNames[$Key] = $DefaultSerieName.$Key; } } }
|
||
|
foreach($Values as $Key => $Value) { if ( !in_array($Key,$SkipColumns) ) { $this->addPoints($Value,$SerieNames[$Key]); } }
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
fclose($Handle);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Create a dataset based on a formula */
|
||
|
function createFunctionSerie($SerieName,$Formula="",$Options="")
|
||
|
{
|
||
|
$MinX = isset($Options["MinX"]) ? $Options["MinX"] : -10;
|
||
|
$MaxX = isset($Options["MaxX"]) ? $Options["MaxX"] : 10;
|
||
|
$XStep = isset($Options["XStep"]) ? $Options["XStep"] : 1;
|
||
|
$AutoDescription = isset($Options["AutoDescription"]) ? $Options["AutoDescription"] : FALSE;
|
||
|
$RecordAbscissa = isset($Options["RecordAbscissa"]) ? $Options["RecordAbscissa"] : FALSE;
|
||
|
$AbscissaSerie = isset($Options["AbscissaSerie"]) ? $Options["AbscissaSerie"] : "Abscissa";
|
||
|
|
||
|
if ( $Formula == "" ) { return(0); }
|
||
|
|
||
|
$Result = ""; $Abscissa = "";
|
||
|
for($i=$MinX; $i<=$MaxX; $i=$i+$XStep)
|
||
|
{
|
||
|
$Expression = "\$return = '!'.(".str_replace("z",$i,$Formula).");";
|
||
|
if ( @eval($Expression) === FALSE ) { $return = VOID; }
|
||
|
if ( $return == "!" ) { $return = VOID; } else { $return = $this->right($return,strlen($return)-1); }
|
||
|
if ( $return == "NAN" ) { $return = VOID; }
|
||
|
if ( $return == "INF" ) { $return = VOID; }
|
||
|
if ( $return == "-INF" ) { $return = VOID; }
|
||
|
|
||
|
$Abscissa[] = $i;
|
||
|
$Result[] = $return;
|
||
|
}
|
||
|
|
||
|
$this->addPoints($Result,$SerieName);
|
||
|
if ( $AutoDescription ) { $this->setSerieDescription($SerieName,$Formula); }
|
||
|
if ( $RecordAbscissa ) { $this->addPoints($Abscissa,$AbscissaSerie); }
|
||
|
}
|
||
|
|
||
|
function negateValues($Series)
|
||
|
{
|
||
|
if ( !is_array($Series) ) { $Series = $this->convertToArray($Series); }
|
||
|
foreach($Series as $Key => $SerieName)
|
||
|
{
|
||
|
if (isset($this->Data["Series"][$SerieName]))
|
||
|
{
|
||
|
$Data = "";
|
||
|
foreach($this->Data["Series"][$SerieName]["Data"] as $Key => $Value)
|
||
|
{ if ( $Value == VOID ) { $Data[] = VOID; } else { $Data[] = -$Value; } }
|
||
|
$this->Data["Series"][$SerieName]["Data"] = $Data;
|
||
|
|
||
|
$this->Data["Series"][$SerieName]["Max"] = max($this->stripVOID($this->Data["Series"][$SerieName]["Data"]));
|
||
|
$this->Data["Series"][$SerieName]["Min"] = min($this->stripVOID($this->Data["Series"][$SerieName]["Data"]));
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Return the data & configuration of the series */
|
||
|
function getData()
|
||
|
{ return($this->Data); }
|
||
|
|
||
|
/* Save a palette element */
|
||
|
function savePalette($ID,$Color)
|
||
|
{ $this->Palette[$ID] = $Color; }
|
||
|
|
||
|
/* Return the palette of the series */
|
||
|
function getPalette()
|
||
|
{ return($this->Palette); }
|
||
|
|
||
|
/* Called by the scaling algorithm to save the config */
|
||
|
function saveAxisConfig($Axis) { $this->Data["Axis"]=$Axis; }
|
||
|
|
||
|
/* Save the Y Margin if set */
|
||
|
function saveYMargin($Value) { $this->Data["YMargin"]=$Value; }
|
||
|
|
||
|
/* Save extended configuration to the pData object */
|
||
|
function saveExtendedData($Tag,$Values) { $this->Data["Extended"][$Tag]=$Values; }
|
||
|
|
||
|
/* Called by the scaling algorithm to save the orientation of the scale */
|
||
|
function saveOrientation($Orientation) { $this->Data["Orientation"]=$Orientation; }
|
||
|
|
||
|
/* Convert a string to a single elements array */
|
||
|
function convertToArray($Value)
|
||
|
{ $Values = ""; $Values[] = $Value; return($Values); }
|
||
|
|
||
|
/* Class string wrapper */
|
||
|
function __toString()
|
||
|
{ return("pData object."); }
|
||
|
|
||
|
function left($value,$NbChar) { return substr($value,0,$NbChar); }
|
||
|
function right($value,$NbChar) { return substr($value,strlen($value)-$NbChar,$NbChar); }
|
||
|
function mid($value,$Depart,$NbChar) { return substr($value,$Depart-1,$NbChar); }
|
||
|
}
|
||
|
?>
|