lecho

import numpy
import matplotlib.pyplot as plt

def interpolateCatmulRomeSegment(P0, P1, P2, P3, nPoints=10):
  """
  P0, P1, P2, and P3 should be (x,y) point pairs that define the Catmull-Rom spline.
  nPoints is the number of points to include in this curve segment.
  """
  # Convert the points to numpy so that we can do array multiplication
  P0, P1, P2, P3 = map(numpy.array, [P0, P1, P2, P3])

lecho

package com.github.lecho.mobilization;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;

lecho

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
	View rootView = inflater.inflate(R.layout.fragment_line_column_dependency, container, false);

	// *** TOP LINE CHART ***
	chartTop = (LineChartView) rootView.findViewById(R.id.chart_top);

	// Generate and set data for line chart
	generateInitialLineData();

lecho

package lecho.lib.hellocharts.renderer;

import lecho.lib.hellocharts.util.CasteljauComputator;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.PointF;

/**
 * PathCompat uses Canvas.drawLines instead Canvas.drawPath. Supports normal lines and cubic Bezier's lines.
 * Warning!: doesn't support breaks in line so line has to be continuous and doesn't support area chart.

lecho

package lecho.lib.hellocharts.util;

import android.graphics.PointF;

/**
 * Iterative implementation of de Casteljau's algorithm for cubic Bezier's curves.
 * 
 */
public class CasteljauComputator {
	private static final int DEFAULT_CURVE_DEGREE = 3;// By default cubic.

lecho

package lecho.lib.hellocharts.util;

import android.graphics.RectF;

/**
 * Cohen-Sutherland algorithm implementation based on wikipedia article.
 * 
 * {@link http://en.wikipedia.org/wiki/Cohen-Sutherland_algorithm}
 * 
 */

lecho

 //Automatically calculates Y axis values.
	 private Axis calculateYAxis(int numberOfSteps) {
	 if (numberOfSteps < 2) {
	 throw new
	 IllegalArgumentException("Number or steps have to be grater or equal 2");
	 }
	 List<Float> values = new ArrayList<Float>();
	 final float range = mData.getMaxYValue() - mData.getMinYValue();
	 final float tickRange = range / (numberOfSteps - 1);
	 final float x = (float) Math.ceil(Math.log10(tickRange) - 1);

lecho

public class TimePickerDialogFragment extends DialogFragment implements TimePickerDialog.OnTimeSetListener {
	private static final String DIALOG_HOUR = "my.package:INITIAL_HOUR";
	private static final String DIALOG_MINUTE = "my.package:INITIAL_MINUTE";

	//My custom listener
	private OnTimePickedListener mListener;
	private int mDialogRequestCode;

	//Use dialogRequestCode to discriminate dialogs in OnTimePickedListener#onTimePicked method. I think you could also use dialog tag string instead of integer variable.
	public static TimePickerDialogFragment newInstance(int hour, int minute, int dialogRequestCode, OnTimePickedListener listener) {

lecho

buildscript {
    repositories {
        mavenCentral()
    }

    dependencies {
        classpath 'com.android.tools.build:gradle:0.7.0'
    }
}

lecho

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software