# Drawing a filled step chart [Reference](http://wiki.pchart.net/doc.chart.drawfilledstepchart.html) ```php require '/path/to/your/vendor/autoload.php'; use CpChart\Data; use CpChart\Image; /* Create and populate the Data object */ $data = new Data(); $data->addPoints([-4, 2, VOID, 12, 8, 3], "Probe 1"); $data->addPoints([3, 12, 15, 8, 5, -5], "Probe 2"); $data->addPoints([2, 7, 5, 18, 19, 22], "Probe 3"); $data->setSerieTicks("Probe 2", 4); $data->setAxisName(0, "Temperatures"); $data->addPoints(["Jan", "Feb", "Mar", "Apr", "May", "Jun"], "Labels"); $data->setSerieDescription("Labels", "Months"); $data->setAbscissa("Labels"); /* Create the Image object */ $image = new Image(700, 230, $data); /* Draw the background */ $settings = ["R" => 170, "G" => 183, "B" => 87, "Dash" => 1, "DashR" => 190, "DashG" => 203, "DashB" => 107]; $image->drawFilledRectangle(0, 0, 700, 230, $settings); /* Overlay with a gradient */ $settings = ["StartR" => 219, "StartG" => 231, "StartB" => 139, "EndR" => 1, "EndG" => 138, "EndB" => 68, "Alpha" => 50]; $image->drawGradientArea(0, 0, 700, 230, DIRECTION_VERTICAL, $settings); $image->drawGradientArea(0, 0, 700, 20, DIRECTION_VERTICAL, [ "StartR" => 0, "StartG" => 0, "StartB" => 0, "EndR" => 50, "EndG" => 50, "EndB" => 50, "Alpha" => 80 ]); /* Add a border to the picture */ $image->drawRectangle(0, 0, 699, 229, ["R" => 0, "G" => 0, "B" => 0]); /* Write the picture title */ $image->setFontProperties(["FontName" => "Silkscreen.ttf", "FontSize" => 6]); $image->drawText(10, 13, "drawFilledStepChart() - draw a filled step chart", ["R" => 255, "G" => 255, "B" => 255]); /* Write the chart title */ $image->setFontProperties(["FontName" => "Forgotte.ttf", "FontSize" => 11]); $image->drawText(250, 55, "Average temperature", ["FontSize" => 20, "Align" => TEXT_ALIGN_BOTTOMMIDDLE]); /* Draw the scale and the 1st chart */ $image->setGraphArea(60, 60, 450, 190); $image->drawFilledRectangle(60, 60, 450, 190, ["R" => 255, "G" => 255, "B" => 255, "Surrounding" => -200, "Alpha" => 10]); $image->drawScale(["DrawSubTicks" => true]); $image->setShadow(true, ["X" => 1, "Y" => 1, "R" => 0, "G" => 0, "B" => 0, "Alpha" => 10]); $image->setFontProperties(["FontName" => "pf_arma_five.ttf", "FontSize" => 6]); $image->drawFilledStepChart(["ForceTransparency" => 40, "DisplayValues" => true, "DisplayColor" => DISPLAY_AUTO]); $image->setShadow(false); /* Draw the scale and the 2nd chart */ $image->setGraphArea(500, 60, 670, 190); $image->drawFilledRectangle(500, 60, 670, 190, ["R" => 255, "G" => 255, "B" => 255, "Surrounding" => -200, "Alpha" => 10]); $image->drawScale(["Pos" => SCALE_POS_TOPBOTTOM, "DrawSubTicks" => true]); $image->setShadow(true, ["X" => -1, "Y" => 1, "R" => 0, "G" => 0, "B" => 0, "Alpha" => 10]); $image->drawFilledStepChart(["ForceTransparency" => 40]); $image->setShadow(false); /* Write the chart legend */ $image->drawLegend(510, 205, ["Style" => LEGEND_NOBORDER, "Mode" => LEGEND_HORIZONTAL]); /* Render the picture (choose the best way) */ $image->autoOutput("example.drawFilledStepChart.png"); ```