Android Open Source - android-plotter Plotter Application

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License

The source code is released under:

Apache License

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Java Source Code

package org.solovyev.android.plotter.app;
//from   w  ww .j a va 2  s.co  m
import android.app.Application;
import org.solovyev.android.plotter.Function1;
import org.solovyev.android.plotter.Function2;
import org.solovyev.android.plotter.Plot;
import org.solovyev.android.plotter.Plotter;

import javax.annotation.Nonnull;

public class PlotterApplication extends Application {

  @Nonnull
  private static PlotterApplication instance;

  @Nonnull
  private final Plotter plotter = Plot.newPlotter();

  @Nonnull
  public static final String PARABOLOID = "x*x+y*y";

  public PlotterApplication() {
    instance = this;
  }

  @Override
  public void onCreate() {
    super.onCreate();

    /*plotter.add(new Function2("sin(x)+sin(y)-2") {
      @Override
      public float evaluate(float x, float y) {
        return (float) (Math.sin(x) + Math.sin(y)) - 2f;
      }
    });
    plotter.add(Function0.ZERO);*/
    /*final PlotFunction paraboloid = PlotFunction.create(new Function2(PARABOLOID) {
      @Override
      public float evaluate(float x, float y) {
        return x * x + y * y;
      }
    });
    paraboloid.lineStyle.color = Color.RED.toInt();
    plotter.add(paraboloid);*/
    plotter.add(new Function1("x*x") {
      @Override
      public float evaluate(float x) {
        return x * x;
      }
    });

    plotter.add(new Function2("sin(x) + sin(y)") {
      @Override
      public float evaluate(float x, float y) {
        return (float) (Math.sin(x) + Math.sin(y));
      }
    });

    /*plotter.add(new Function2("x+y") {
      @Override
      public float evaluate(float x, float y) {
        return x + y;
      }
    });*/

    /*
    otherMeshes.add(new WireFramePlane(5, 5, 30, 30));
    otherMeshes.add(FunctionGraph.create(new Function2() {
      @Override
      public float evaluate(float x, float y) {
        return x + y;
      }
    }).withColor(Color.BLUE));
    otherMeshes.add(FunctionGraph.create(new Function2() {
      @Override
      public float evaluate(float x, float y) {
        return (float) (Math.sin(x) + Math.cos(x));
      }
    }).withColor(Color.CYAN));
    otherMeshes.add(FunctionGraph.create(new Function2() {
      @Override
      public float evaluate(float x, float y) {
        return x * x + y * y;
      }
    }));
    otherMeshes.add(FunctionGraph.create(new Function2() {
      @Override
      public float evaluate(float x, float y) {
        return -x * x - y * y;
      }
    }).withColor(Color.GREEN));
    otherMeshes.add(FunctionGraph.create(new Function2() {
      @Override
      public float evaluate(float x, float y) {
        return -x * x + y * y;
      }
    }).withColor(Color.RED));
    otherMeshes.add(FunctionGraph.create(5, 5, 30, 30, new Function2() {
      @Override
      public float evaluate(float x, float y) {
        return (float) (Math.sin(x) + Math.sin(y));
      }
    }));*/
    /*meshes.add(FunctionGraph.create(5, 5, 30, 30, new Function2() {
      @Override
      public float evaluate(float x, float y) {
        return (float) (Math.sin(x) + Math.sin(y));
      }
    }));
    background.execute(initializer);*/
  }

  @Nonnull
  public static PlotterApplication get() {
    return instance;
  }

  @Nonnull
  public Plotter getPlotter() {
    return plotter;
  }
}

Java Source Code List