Inizializzazione

jpgraph-3.5.0b1/src/Examples/contour2_ex4.php

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+<?php // content="text/plain; charset=utf-8"
+
+require_once ('jpgraph/jpgraph.php');
+require_once ('jpgraph/jpgraph_contourf.php');
+
+// Setup some data to use for the contour
+$data = array(
+    array (12,12,10,10),
+    array (10,10,8,14),
+    array (7,7,13,17),
+    array (4,5,8,12),
+    array (10,8,7,8));
+
+// create a basic graph as a container
+$graph = new Graph(300,300);
+$graph->SetMargin(30, 30, 40, 30);
+$graph->SetScale('intint');
+$graph->SetMarginColor('white');
+
+// Setup title of graph
+$graph->title->Set('Filled contour plot');
+$graph->title->SetFont(FF_VERDANA,FS_BOLD,12);
+
+$graph->subtitle->Set('(labels follows gradients)');
+$graph->subtitle->SetFont(FF_VERDANA,FS_ITALIC,10);
+
+// Create a new contour plot
+$cp = new FilledContourPlot($data,8);
+
+// Flip visually 
+$cp->SetInvert();
+
+// Fill the contours
+$cp->SetFilled(true);
+
+// Display the labels
+$cp->ShowLabels(true,true);
+$cp->SetFont(FF_ARIAL,FS_BOLD,9);
+$cp->SetFontColor('black');
+
+// And add the plot to the graph
+$graph->Add($cp);
+
+// Send it back to the client
+$graph->stroke();
+
+?>