function pmarg_test($call_SetMarginsPixels, $args_SetMarginsPixels, $call_SetPlotAreaPixels, $args_SetPlotAreaPixels, $return_margins) { global $data, $margins_override, $plotarea_override; $p = new PHPlot_pv(PLOT_WIDTH, PLOT_HEIGHT); $p->SetTitle("Unused Title Goes Here"); $p->SetDataType('data-data'); $p->SetDataValues($data); $p->SetPlotType('lines'); $p->SetXTickLabelPos('none'); $p->SetXTickIncrement(1.0); $p->SetYTickIncrement(10.0); $p->SetYTickPos('both'); $p->SetYTickLabelPos('both'); $p->SetDrawXGrid(False); $p->SetDrawYGrid(False); $p->SetXTitle("Two Line\nX Axis Title"); $p->SetYTitle("Three Line\nY Axis\nTitle"); # Variant cases: if ($call_SetMarginsPixels) { call_user_func_array(array($p, 'SetMarginsPixels'), array_mask($margins_override, $args_SetMarginsPixels, 4)); } if ($call_SetPlotAreaPixels) { call_user_func_array(array($p, 'SetPlotAreaPixels'), array_mask($plotarea_override, $args_SetPlotAreaPixels, 4)); } # Produce but don't output the image. Comment out to test the test. $p->SetPrintImage(False); # Produce the graph: $p->DrawGraph(); # Return the resulting margins or coordinates, as requested. $plot_area = $p->GET_plot_area(); if ($return_margins) { return array($plot_area[0], PLOT_WIDTH - $plot_area[2], $plot_area[1], PLOT_HEIGHT - $plot_area[3]); } return $plot_area; }
{ public function GET_rgb_array() { return $this->rgb_array; } } $p = new PHPlot_pv(800, 700); # Use internal color map rgb_array to get a list of colors: $colors = array_keys($p->GET_rgb_array()); sort($colors); $nc = count($colors); # Make a data array with 1 point, $nc data sets: $dp = array(''); for ($i = 0; $i < $nc; $i++) { $dp[] = $nc - $i; } $data = array($dp); $p->SetPlotType('bars'); $p->SetDataType('text-data'); $p->SetDataValues($data); # Use all colors: $p->SetDataColors($colors); $p->SetShading(0); # Make a legend with all the color names: $p->SetLegend($colors); $p->SetPlotAreaWorld(0.1, 0, NULL, NULL); $p->SetTitle('PHPlot Default Color Map'); $p->SetXTickLabelPos('none'); $p->SetXTickPos('none'); $p->SetYTickIncrement(1); $p->DrawGraph();