[Plplot-cvs] SF.net SVN: plplot:[11853] trunk/examples

[<and...@us...>]

Revision: 11853
          http://plplot.svn.sourceforge.net/plplot/?rev=11853&view=rev
Author:   andrewross
Date:     2011-08-04 09:07:44 +0000 (Thu, 04 Aug 2011)

Log Message:
-----------
Update java and D versions of example 27 to include new plarc demo.

Modified Paths:
--------------
    trunk/examples/d/x27d.d
    trunk/examples/java/x27.java

Modified: trunk/examples/d/x27d.d
===================================================================
--- trunk/examples/d/x27d.d	2011-08-04 08:59:19 UTC (rev 11852)
+++ trunk/examples/d/x27d.d	2011-08-04 09:07:44 UTC (rev 11853)
@@ -101,6 +101,9 @@
         spiro( params[i], fill );
     }
 
+    // Finally, an example to test out plarc capabilities
+    arcs();
+
     plend();
     return 0;
 }
@@ -194,3 +197,33 @@
         plline( xcoord, ycoord );
     }
 }
+
+void arcs() {
+    const int NSEG = 8;
+    int i; 
+    PLFLT theta, dtheta;
+    PLFLT a, b;
+
+    theta = 0.0;
+    dtheta = 360.0 / NSEG;
+    plenv( -10.0, 10.0, -10.0, 10.0, 1, 0 );
+
+    // Plot segments of circle in different colors
+    for ( i = 0; i < NSEG; i++ ) {
+        plcol0( i%2 + 1 );
+        plarc(0.0, 0.0, 8.0, 8.0, theta, theta + dtheta, 0.0, 0);
+        theta = theta + dtheta;
+    }
+
+    // Draw several filled ellipses inside the circle at different
+    // angles.
+    a = 3.0;
+    b = a * tan( (dtheta/180.0*PI)/2.0 );
+    theta = dtheta/2.0;
+    for ( i = 0; i < NSEG; i++ ) {
+        plcol0( 2 - i%2 );
+        plarc( a*cos(theta/180.0*PI), a*sin(theta/180.0*PI), a, b, 0.0, 360.0, theta, 1);
+        theta = theta + dtheta;
+    }
+
+}

Modified: trunk/examples/java/x27.java
===================================================================
--- trunk/examples/java/x27.java	2011-08-04 08:59:19 UTC (rev 11852)
+++ trunk/examples/java/x27.java	2011-08-04 09:07:44 UTC (rev 11853)
@@ -112,7 +112,10 @@
             pls.vpor( 0.0, 1.0, 0.0, 1.0 );
             spiro( params[i], fill );
         }
-
+	
+	// Finally, an example to test out plarc capabilities
+	arcs();
+	
         pls.end();
     }
 
@@ -212,6 +215,37 @@
         else
             pls.line( xcoord, ycoord );
     }
+
+    void arcs() {
+	int NSEG = 8;
+	int i;
+	double theta, dtheta;
+	double a, b;
+
+	theta = 0.0;
+	dtheta = 360.0 / NSEG;
+	pls.env( -10.0, 10.0, -10.0, 10.0, 1, 0 );
+	
+	// Plot segments of circle in different colors
+	for ( i = 0; i < NSEG; i++ ) {
+	    pls.col0( i%2 + 1 );
+	    pls.arc(0.0, 0.0, 8.0, 8.0, theta, theta + dtheta, 0.0, false);
+	    theta = theta + dtheta;
+	}
+	
+	// Draw several filled ellipses inside the circle at different
+	// angles.
+	a = 3.0;
+	b = a * Math.tan( (dtheta/180.0*Math.PI)/2.0 );
+	theta = dtheta/2.0;
+	for ( i = 0; i < NSEG; i++ ) {
+	    pls.col0( 2 - i%2 );
+	    pls.arc( a*Math.cos(theta/180.0*Math.PI), a*Math.sin(theta/180.0*Math.PI), a, b, 0.0, 360.0, theta, true);
+	    theta = theta + dtheta;
+	}
+	
+    }
+
 }
 
 //--------------------------------------------------------------------------


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