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Language Reference » Dataset functions » setXAxisUnit
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setXAxisUnit - Define the unit to use on the X Axis This function allows you to set the unit associated to the X Axis. This unit will be displayed when the axis display mode is set to AXIS_FORMAT_UNIT. Calling this function
setXAxisUnit($Unit); Where : Unit is the kind of data that will be displayed. Sample script #1 /* Create the pData object */ $MyData = new pData(); /* Units appended to the axis values will be "m/s" */ $MyData->setXAxisUnit("m/s"); Sample script #2 ![]() $MyData = new pData(); /* Prepare some nice data & axis config */ $MyData = new pData(); $MyData->addPoints(array(1700,2500,7800,4500,3150),"Distance"); $MyData->setAxisName(0,"Maximum distance"); $MyData->setAxisUnit(0,"m"); $MyData->setAxisDisplay(0,AXIS_FORMAT_METRIC); /* Create the X serie */ $MyData->addPoints(array(1230768000,1233446400,1235865600,1238544000,1241136000,1243814400),"Timestamp"); $MyData->setSerieDescription("Timestamp","Sampled Dates"); $MyData->setAbscissa("Timestamp"); $MyData->setXAxisDisplay(AXIS_FORMAT_DATE); /* Define the graph area and do some makeup */ $myPicture->setGraphArea(60,60,660,190); $myPicture->drawText(350,55,"My chart title",array("FontSize"=>20,"Align"=>TEXT_ALIGN_BOTTOMMIDDLE)); $myPicture->drawFilledRectangle(60,60,660,190,array("R"=>255,"G"=>255,"B"=>255,"Surrounding"=>-200,"Alpha"=>10)); /* Compute and draw the scale */ $myPicture->drawScale();
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