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[Plplot-cvs] SF.net SVN: plplot:[8630] trunk
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From: <and...@us...> - 2008-08-11 22:01:24
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Revision: 8630
http://plplot.svn.sourceforge.net/plplot/?rev=8630&view=rev
Author: andrewross
Date: 2008-08-11 22:01:29 +0000 (Mon, 11 Aug 2008)
Log Message:
-----------
Add java version of example 27.
Modified Paths:
--------------
trunk/examples/java/CMakeLists.txt
trunk/plplot_test/test_java.sh.in
Added Paths:
-----------
trunk/examples/java/x27.java
Modified: trunk/examples/java/CMakeLists.txt
===================================================================
--- trunk/examples/java/CMakeLists.txt 2008-08-11 21:42:42 UTC (rev 8629)
+++ trunk/examples/java/CMakeLists.txt 2008-08-11 22:01:29 UTC (rev 8630)
@@ -45,6 +45,7 @@
"24"
"25"
"26"
+"27"
"28"
"29"
"30"
Added: trunk/examples/java/x27.java
===================================================================
--- trunk/examples/java/x27.java (rev 0)
+++ trunk/examples/java/x27.java 2008-08-11 22:01:29 UTC (rev 8630)
@@ -0,0 +1,174 @@
+//---------------------------------------------------------------------------//
+// $Id:$
+// Drawing "spirograph" curves - epitrochoids, cycolids, roulettes
+//---------------------------------------------------------------------------//
+//
+//---------------------------------------------------------------------------//
+// Copyright (C) 2007 Arjen Markus
+// Copyright (C) 2008 Andrew Ross
+//
+// This file is part of PLplot.
+//
+// PLplot is free software; you can redistribute it and/or modify
+// it under the terms of the GNU Library General Public License as published by
+// the Free Software Foundation; version 2 of the License.
+//
+// PLplot is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Library General Public License for more details.
+//
+// You should have received a copy of the GNU Library General Public License
+// along with PLplot; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+//---------------------------------------------------------------------------//
+// Implementation of PLplot example 27 in Java.
+//---------------------------------------------------------------------------//
+
+package plplot.examples;
+
+import plplot.core.*;
+
+import java.lang.Math;
+
+class x27 {
+
+ PLStream pls = new PLStream();
+
+ public static void main( String[] args )
+ {
+ new x27( args );
+ }
+
+ //--------------------------------------------------------------------
+ // Generates two kinds of plots:
+ // - construction of a cycloid (animated)
+ // - series of epitrochoids and hypotrochoids
+ //--------------------------------------------------------------------
+
+ public x27( String[] args)
+ {
+ // R, r, p, N
+ double params[][] = {
+ {21.0, 7.0, 7.0, 3.0}, // Deltoid
+ {21.0, 7.0, 10.0, 3.0},
+ {21.0, -7.0, 10.0, 3.0},
+ {20.0, 3.0, 7.0, 20.0},
+ {20.0, 3.0, 10.0, 20.0},
+ {20.0, -3.0, 10.0, 20.0},
+ {20.0, 13.0, 7.0, 20.0},
+ {20.0, 13.0, 20.0, 20.0},
+ {20.0,-13.0, 20.0, 20.0} } ;
+
+ int i ;
+
+ // plplot initialization
+
+ // Parse and process command line arguments
+ pls.parseopts(args, PLStream.PL_PARSE_FULL | PLStream.PL_PARSE_NOPROGRAM);
+
+ // Initialize plplot
+ pls.init();
+
+ // Illustrate the construction of a cycloid
+ cycloid();
+
+ // Loop over the various curves
+ // First an overview, then all curves one by one
+ pls.ssub(3, 3) ; // Three by three window
+
+ for ( i = 0; i < 9; i ++ ) {
+ pls.adv(0) ;
+ pls.vpor( 0.0, 1.0, 0.0, 1.0 ) ;
+ spiro( params[i] ) ;
+ }
+
+ pls.adv(0);
+ pls.ssub(1, 1) ; // One window per curve
+
+ for ( i = 0; i < 9; i ++ ) {
+ pls.adv(0) ;
+ pls.vpor( 0.0, 1.0, 0.0, 1.0 ) ;
+ spiro( params[i] ) ;
+ }
+
+ pls.end();
+
+ }
+
+ // ===============================================================
+
+ void cycloid()
+ {
+ // TODO
+ }
+
+ // ===============================================================
+
+ void spiro( double params[] )
+ {
+ int NPNT = 20000;
+ double xcoord[];
+ double ycoord[];
+
+ int windings ;
+ int steps ;
+ int i ;
+ double phi ;
+ double phiw ;
+ double dphi ;
+ double xmin ;
+ double xmax ;
+ double ymin ;
+ double ymax ;
+ double scale ;
+
+ // Fill the coordinates
+
+ windings = (int) params[3] ;
+ steps = NPNT/windings ;
+ dphi = 8.0*Math.acos(-1.0)/(double)steps ;
+
+ xmin = 0.0 ; // This initialisation is safe!
+ xmax = 0.0 ;
+ ymin = 0.0 ;
+ ymax = 0.0 ;
+
+ xcoord = new double[windings*steps+1];
+ ycoord = new double[windings*steps+1];
+
+ for ( i = 0; i <= windings*steps ; i ++ ) {
+ phi = (double)i * dphi ;
+ phiw = (params[0]-params[1])/params[1]*phi ;
+ xcoord[i] = (params[0]-params[1])*Math.cos(phi) + params[2]*Math.cos(phiw) ;
+ ycoord[i] = (params[0]-params[1])*Math.sin(phi) - params[2]*Math.sin(phiw) ;
+
+ if ( xmin > xcoord[i] ) xmin = xcoord[i] ;
+ if ( xmax < xcoord[i] ) xmax = xcoord[i] ;
+ if ( ymin > ycoord[i] ) ymin = ycoord[i] ;
+ if ( ymax < ycoord[i] ) ymax = ycoord[i] ;
+ }
+
+ if ( xmax-xmin > ymax-ymin ) {
+ scale = xmax - xmin ;
+ } else {
+ scale = ymax - ymin ;
+ }
+ xmin = - 0.65 * scale ;
+ xmax = 0.65 * scale ;
+ ymin = - 0.65 * scale ;
+ ymax = 0.65 * scale ;
+
+ pls.wind( xmin, xmax, ymin, ymax ) ;
+
+ pls.col0(1);
+ pls.line( xcoord, ycoord ) ;
+
+ }
+
+}
+
+//---------------------------------------------------------------------------//
+// End of x27.java
+//---------------------------------------------------------------------------//
Property changes on: trunk/examples/java/x27.java
___________________________________________________________________
Added: svn:keywords
+ Author Date Id Revision
Added: svn:eol-style
+ native
Modified: trunk/plplot_test/test_java.sh.in
===================================================================
--- trunk/plplot_test/test_java.sh.in 2008-08-11 21:42:42 UTC (rev 8629)
+++ trunk/plplot_test/test_java.sh.in 2008-08-11 22:01:29 UTC (rev 8630)
@@ -42,7 +42,7 @@
PLPLOT_CLASSPATH=@JAVADATA_HARDDIR@/plplot.jar
fi
-for index in 01 02 03 04 05 06 07 08 09 10 11 12 13 15 16 18 20 21 22 23 24 25 26 28 29 30; do
+for index in 01 02 03 04 05 06 07 08 09 10 11 12 13 15 16 18 20 21 22 23 24 25 26 27 28 29 30; do
if test "@WIN32@" = "1"; then
java -classpath ${PLPLOT_CLASSPATH} ${JAVA_TEST_OPTS} plplot.examples.x${index} -dev $device -o ${OUTPUT_DIR}/x${index}j.$dsuffix $options 2> test.error
else
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