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Language Reference » Dataset functions » setAbsicssaPosition
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setAbscissaPosition - Set the position of the abcissa axis This function allows you to define the position of the abcissa axis (X). Calling this function
setAbscissaName($Position) Where : Position can be either set to AXIS_POSITION_BOTTOM or AXIS_POSITION_TOP. Sample script ![]() /* pChart library inclusions */ include("../class/pData.class.php"); include("../class/pDraw.class.php"); include("../class/pImage.class.php"); /* 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); $MyData->setAxisName(0,"Temperatures"); $MyData->addPoints(array("Jan","Feb","Mar","Apr","May","Jun"),"Labels"); $MyData->setSerieDescription("Labels","Months"); $MyData->setAbscissa("Labels"); /* Reverse the Y axis trick */ $MyData->setAbsicssaPosition(AXIS_POSITION_TOP); $MyData->negateValues(array("Probe 1","Probe 2","Probe 3")); $MyData->setAxisDisplay(0,AXIS_FORMAT_CUSTOM,"NegateValuesDisplay"); function NegateValuesDisplay($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); $myPicture->drawFilledRectangle(0,0,700,230,$Settings); /* Add a border to the picture */ $myPicture->drawRectangle(0,0,699,229,array("R"=>0,"G"=>0,"B"=>0)); /* Write the chart title */ $myPicture->setFontProperties(array("FontName"=>"../fonts/Forgotte.ttf","FontSize"=>11)); $myPicture->drawText(150,35,"Average temperature",array("FontSize"=>20,"Align"=>TEXT_ALIGN_BOTTOMMIDDLE)); /* Set the default font */ $myPicture->setFontProperties(array("FontName"=>"../fonts/pf_arma_five.ttf","FontSize"=>6)); /* Define the chart area */ $myPicture->setGraphArea(60,60,650,220); /* Draw the scale */ $scaleSettings = array("XMargin"=>10,"YMargin"=>10,"Floating"=>TRUE,"GridR"=>200, "GridG"=>200,"GridB"=>200,"DrawSubTicks"=>TRUE, "CycleBackground"=>TRUE); $myPicture->drawScale($scaleSettings); /* Turn on Antialiasing */ $myPicture->Antialias = TRUE; /* Draw the line chart */ $myPicture->drawSplineChart(); $myPicture->drawPlotChart(array("PlotBorder"=>TRUE,"BorderSize"=>1,"Surrounding"=>-60,"BorderAlpha"=>80)); /* Write the chart legend */ $myPicture->drawLegend(540,20,array("Style"=>LEGEND_NOBORDER,"Mode"=>LEGEND_HORIZONTAL)); /* Render the picture (choose the best way) */ $myPicture->autoOutput("pictures/example.drawSplineChart.simple.png");
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