public void SimpleSimplifyCurveTests()
{
double epsilon = 0.1;
// simple 2-point line should remain identical.
var testCurve = new double[][] {
new double[] { 0, 1 },
new double[] { 0, 1 }
};
double[][] simpleTestCurve = SimplifyCurve.Simplify(testCurve, epsilon);
Assert.AreEqual(0, simpleTestCurve[0][0]);
Assert.AreEqual(0, simpleTestCurve[1][0]);
Assert.AreEqual(1, simpleTestCurve[0][1]);
Assert.AreEqual(1, simpleTestCurve[1][1]);
// between with identical start-end should return one point.
testCurve = new double[][] {
new double[] { 0, 1 },
new double[] { 0, 1 }
};
simpleTestCurve = SimplifyCurve.SimplifyBetween(testCurve, epsilon, 0, 0);
Assert.AreEqual(0, simpleTestCurve[0][0]);
Assert.AreEqual(0, simpleTestCurve[1][0]);
// simple straight line should be simplified to only 2 points.
testCurve = new double[][] {
new double[] { 0, 0.5, 1 },
new double[] { 0, 0.5, 1 }
};
simpleTestCurve = SimplifyCurve.Simplify(testCurve, epsilon);
Assert.AreEqual(0, simpleTestCurve[0][0]);
Assert.AreEqual(0, simpleTestCurve[1][0]);
Assert.AreEqual(1, simpleTestCurve[0][1]);
Assert.AreEqual(1, simpleTestCurve[1][1]);
// this line should retain all points.
testCurve = new double[][] {
new double[] { 0, 1, 0 },
new double[] { 0, 1, 1 }
};
simpleTestCurve = SimplifyCurve.Simplify(testCurve, epsilon);
Assert.AreEqual(0, simpleTestCurve[0][0]);
Assert.AreEqual(0, simpleTestCurve[1][0]);
Assert.AreEqual(1, simpleTestCurve[0][1]);
Assert.AreEqual(1, simpleTestCurve[1][1]);
Assert.AreEqual(0, simpleTestCurve[0][2]);
Assert.AreEqual(1, simpleTestCurve[1][2]);
// this line should be simplified.
testCurve = new double[][] {
new double[] { 0, 0.2, 0.52, 0.75, 1 },
new double[] { 0, 0.21, 0.5, 0.76, 1 }
};
simpleTestCurve = SimplifyCurve.Simplify(testCurve, epsilon);
Assert.AreEqual(0, simpleTestCurve[0][0]);
Assert.AreEqual(0, simpleTestCurve[1][0]);
Assert.AreEqual(1, simpleTestCurve[0][1]);
Assert.AreEqual(1, simpleTestCurve[1][1]);
// this 'area' should not be simplified.
testCurve = new double[][] {
new double[] { 0, 1, 1, 0, 0 },
new double[] { 0, 0, 1, 1, 0 }
};
simpleTestCurve = SimplifyCurve.Simplify(testCurve, epsilon);
Assert.AreEqual(0, simpleTestCurve[0][0]);
Assert.AreEqual(0, simpleTestCurve[1][0]);
Assert.AreEqual(1, simpleTestCurve[0][1]);
Assert.AreEqual(0, simpleTestCurve[1][1]);
Assert.AreEqual(1, simpleTestCurve[0][2]);
Assert.AreEqual(1, simpleTestCurve[1][2]);
Assert.AreEqual(0, simpleTestCurve[0][3]);
Assert.AreEqual(1, simpleTestCurve[1][3]);
Assert.AreEqual(0, simpleTestCurve[0][4]);
Assert.AreEqual(0, simpleTestCurve[1][4]);
}
public void SimpleSimplifyPointF2DCurveTests()
{
double epsilon = 0.1;
// simple 2-point line should remain identical.
PointF2D[] testCurve = new PointF2D[] {
new PointF2D(0, 0),
new PointF2D(1, 1)
};
PointF2D[] simpleTestCurve = SimplifyCurve.Simplify(testCurve, epsilon);
Assert.AreEqual(0, simpleTestCurve [0] [0]);
Assert.AreEqual(0, simpleTestCurve [0] [1]);
Assert.AreEqual(1, simpleTestCurve [1] [0]);
Assert.AreEqual(1, simpleTestCurve [1] [1]);
// simple 1-point line should remain identical.
testCurve = new PointF2D[] {
new PointF2D(0, 0),
new PointF2D(1, 1)
};
PointF2D[] simpleTextCurve = SimplifyCurve.SimplifyBetween(testCurve, epsilon, 0, 0);
// simple straight line should be simplified to only 2 points.
testCurve = new PointF2D[] {
new PointF2D(0, 0),
new PointF2D(0.5, 0.5),
new PointF2D(1, 1)
};
simpleTestCurve = SimplifyCurve.Simplify(testCurve, epsilon);
Assert.AreEqual(0, simpleTestCurve [0] [0]);
Assert.AreEqual(0, simpleTestCurve [0] [1]);
Assert.AreEqual(1, simpleTestCurve [1] [0]);
Assert.AreEqual(1, simpleTestCurve [1] [1]);
// this line should retain all points.
testCurve = new PointF2D[] {
new PointF2D(0, 0),
new PointF2D(1, 1),
new PointF2D(0, 1)
};
simpleTestCurve = SimplifyCurve.Simplify(testCurve, epsilon);
Assert.AreEqual(0, simpleTestCurve [0] [0]);
Assert.AreEqual(0, simpleTestCurve [0] [1]);
Assert.AreEqual(1, simpleTestCurve [1] [0]);
Assert.AreEqual(1, simpleTestCurve [1] [1]);
Assert.AreEqual(0, simpleTestCurve [2] [0]);
Assert.AreEqual(1, simpleTestCurve [2] [1]);
// this line should be simplified.
testCurve = new PointF2D[] {
new PointF2D(0, 0),
new PointF2D(0.2, 0.21),
new PointF2D(0.52, 0.5),
new PointF2D(0.75, 0.76),
new PointF2D(1, 1)
};
simpleTestCurve = SimplifyCurve.Simplify(testCurve, epsilon);
Assert.AreEqual(0, simpleTestCurve [0] [0]);
Assert.AreEqual(0, simpleTestCurve [0] [1]);
Assert.AreEqual(1, simpleTestCurve [1] [0]);
Assert.AreEqual(1, simpleTestCurve [1] [1]);
}