PDF rausgenommen

msd2/tracking/piwik/vendor/szymach/c-pchart/doc/radar.md

@@ -0,0 +1,98 @@
+# Drawing a radar chart
+
+[Reference](http://wiki.pchart.net/doc.draw.radar.html)
+
+```php
+require '/path/to/your/vendor/autoload.php';
+
+use CpChart\Chart\Data;
+use CpChart\Chart\Image;
+use CpChart\Chart\Radar;
+
+/* Prepare some nice data & axis config */
+$data = new Data();
+$data->addPoints([40, 20, 15, 10, 8, 4], "ScoreA");
+$data->addPoints([8, 10, 12, 20, 30, 15], "ScoreB");
+$data->setSerieDescription("ScoreA", "Application A");
+$data->setSerieDescription("ScoreB", "Application B");
+
+/* Create the X serie */
+$data->addPoints(["Size", "Speed", "Reliability", "Functionalities", "Ease of use", "Weight"], "Labels");
+$data->setAbscissa("Labels");
+
+/* Create the Image object */
+$image = new Image(700, 230, $data);
+
+/* Draw a solid background */
+$settings = ["R" => 179, "G" => 217, "B" => 91, "Dash" => 1, "DashR" => 199, "DashG" => 237, "DashB" => 111];
+$image->drawFilledRectangle(0, 0, 700, 230, $settings);
+
+/* Overlay some gradient areas */
+$settings = ["StartR" => 194, "StartG" => 231, "StartB" => 44, "EndR" => 43, "EndG" => 107, "EndB" => 58, "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" => 100
+]);
+
+/* Draw the border */
+$image->drawRectangle(0, 0, 699, 229, ["R" => 0, "G" => 0, "B" => 0]);
+
+/* Write the title */
+$image->setFontProperties(["FontName" => "Silkscreen.ttf", "FontSize" => 6]);
+$image->drawText(10, 13, "pRadar - Draw radar charts", ["R" => 255, "G" => 255,
+    "B" => 255]);
+
+/* Define general drawing parameters */
+$image->setFontProperties([
+    "FontName" => "Forgotte.ttf",
+    "FontSize" => 10,
+    "R" => 80,
+    "G" => 80,
+    "B" => 80
+]);
+$image->setShadow(true, ["X" => 2, "Y" => 2, "R" => 0, "G" => 0, "B" => 0, "Alpha" => 10]);
+
+/* Create the radar object */
+$radarChart = new Radar();
+
+/* Draw the 1st radar chart */
+$image->setGraphArea(10, 25, 340, 225);
+$Options = ["Layout" => RADAR_LAYOUT_STAR, "BackgroundGradient" => [
+    "StartR" => 255,
+    "StartG" => 255,
+    "StartB" => 255,
+    "StartAlpha" => 100,
+    "EndR" => 207,
+    "EndG" => 227,
+    "EndB" => 125,
+    "EndAlpha" => 50
+]];
+$radarChart->drawRadar($image, $data, $Options);
+
+/* Draw the 2nd radar chart */
+$image->setGraphArea(350, 25, 690, 225);
+$Options = ["Layout" => RADAR_LAYOUT_CIRCLE, "LabelPos" => RADAR_LABELS_HORIZONTAL, "BackgroundGradient" => [
+    "StartR" => 255,
+    "StartG" => 255,
+    "StartB" => 255,
+    "StartAlpha" => 50,
+    "EndR" => 32,
+    "EndG" => 109,
+    "EndB" => 174,
+    "EndAlpha" => 30
+]];
+$radarChart->drawRadar($image, $data, $Options);
+
+/* Write down the legend */
+$image->setFontProperties(["FontName" => "pf_arma_five.ttf", "FontSize" => 6]);
+$image->drawLegend(270, 205, ["Style" => LEGEND_BOX, "Mode" => LEGEND_HORIZONTAL]);
+
+/* Render the picture */
+$image->render("drawRadar.png");
+```