文件列表:

capi\api (0, 2005-04-01)
capi\api\allclasses-frame.html (11142, 2005-08-10)
capi\api\allclasses-noframe.html (9602, 2005-08-10)
capi\api\com (0, 2005-04-01)
capi\api\com\graphbuilder (0, 2005-04-01)
capi\api\com\graphbuilder\curve (0, 2005-04-01)
capi\api\com\graphbuilder\curve\BezierCurve.html (22636, 2005-08-10)
capi\api\com\graphbuilder\curve\BinaryCurveApproximationAlgorithm.html (13177, 2005-08-10)
capi\api\com\graphbuilder\curve\BSpline.html (35210, 2005-08-10)
capi\api\com\graphbuilder\curve\CardinalSpline.html (18798, 2005-08-10)
capi\api\com\graphbuilder\curve\CatmullRomSpline.html (17072, 2005-08-10)
capi\api\com\graphbuilder\curve\ControlPath.html (25626, 2005-08-10)
capi\api\com\graphbuilder\curve\ControlStringParseException.html (18039, 2005-08-10)
capi\api\com\graphbuilder\curve\CubicBSpline.html (20586, 2005-08-10)
capi\api\com\graphbuilder\curve\Curve.html (24945, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files (0, 2005-04-01)
capi\api\com\graphbuilder\curve\doc-files\basic_idea.gif (2048, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\bezier1.gif (3913, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\bspline1.gif (4678, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\bspline2.gif (3745, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\cardinal1.gif (3079, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\cubicb1.gif (3465, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\cubicb2.gif (3244, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\cubicb3.gif (3467, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\lagrange1.gif (3552, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\lagrange2.gif (3506, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\lagrange3.gif (3271, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\lagrange4.gif (3904, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\natcubic1.gif (3200, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\natcubic2.gif (3444, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\nurbs1.gif (4264, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\nurbs2.gif (4583, 2005-08-10)
capi\api\com\graphbuilder\curve\doc-files\problem_case.gif (1747, 2005-08-10)
capi\api\com\graphbuilder\curve\GroupIterator.html (26158, 2005-08-10)
capi\api\com\graphbuilder\curve\LagrangeCurve.html (29253, 2005-08-10)
capi\api\com\graphbuilder\curve\MultiPath.html (24936, 2005-08-10)
capi\api\com\graphbuilder\curve\NaturalCubicSpline.html (19626, 2005-08-10)
capi\api\com\graphbuilder\curve\NURBSpline.html (24278, 2005-08-10)
capi\api\com\graphbuilder\curve\package-frame.html (3525, 2005-08-10)
capi\api\com\graphbuilder\curve\package-summary.html (12074, 2005-08-10)
... ...

Useful Information ------------------ The copyfiles.bat file is not required. It is used to copy only the necessary files from the com.graphbuilder package hierarchy that are required for the Curve API. In the src directory, there is a makejar.bat file. This file will compile the nested Java files and create a Jar file called Capi.jar. Compilation requires Java 1.2 or higher. After the Jar file is created, add it to the classpath. Note: CAPI comes with MESP (Math Expression String Parser). The following is a sample program: import com.graphbuilder.curve.*; public class CurveTest { public static void main(String[] args) { ControlPath cp = new ControlPath(); cp.addPoint(createPoint(0,0)); cp.addPoint(createPoint(10,10)); cp.addPoint(createPoint(20, 10)); cp.addPoint(createPoint(30,0)); cp.addCurve(new BezierCurve(cp, new GroupIterator("0:n-1", cp.numPoints()))); int dimension = 2; MultiPath mp = new MultiPath(dimension); mp.setFlatness(1.0); // default flatness is 1.0 for (int i = 0; i < cp.numCurves(); i++) cp.getCurve(i).appendTo(mp); for (int i = 0; i < mp.getNumPoints(); i++) { double[] p = mp.get(i); System.out.println(p[0] + ", " + p[1]); } } private static Point createPoint(double x, double y) { final double[] arr = new double[] { x, y }; return new Point() { public double[] getLocation() { return arr; } public void setLocation(double[] loc) { arr[0] = loc[0]; arr[1] = loc[1]; } }; } } The demo directory contains a GUI to the API. To run it first compile the files and then run java CurveDemo. The demo also requires Java 1.2 or higher.

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