Add unit tests for canted fins
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SiboVG
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@ -248,6 +248,141 @@ public class FreeformFinSetTest extends BaseTestCase {
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}
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@Test
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public void testGenerateTrapezoidalPointsWithCant() {
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final Rocket rkt = createTemplateRocket();
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final Transition tailCone = (Transition) rkt.getChild(0).getChild(2);
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final FreeformFinSet fins = createFinOnConicalTransition(tailCone);
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fins.setCantAngle(Math.toRadians(15));
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Coordinate[] actPoints = fins.getFinPoints();
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Coordinate[] rootPoints = fins.getRootPoints();
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final Coordinate[] expPoints = new Coordinate[] {
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new Coordinate(0, -0.001683625, 0),
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new Coordinate(0.4, 0.2, 0),
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new Coordinate(0.4, -0.202224401, 0)
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};
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final Coordinate[] expRootPoints = new Coordinate[]{
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new Coordinate(0, -0.001683625, 0),
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new Coordinate(0.004, -0.003620824, 0),
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new Coordinate(0.008, -0.005559077, 0),
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new Coordinate(0.012, -0.00749839, 0),
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new Coordinate(0.016, -0.009438771, 0),
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new Coordinate(0.02, -0.011380227, 0),
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new Coordinate(0.024, -0.013322767, 0),
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new Coordinate(0.028, -0.015266398, 0),
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new Coordinate(0.032, -0.017211128, 0),
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new Coordinate(0.036, -0.019156966, 0),
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new Coordinate(0.04, -0.021103918, 0),
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new Coordinate(0.044, -0.023051993, 0),
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new Coordinate(0.048, -0.0250012, 0),
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new Coordinate(0.052, -0.026951546, 0),
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new Coordinate(0.056, -0.028903041, 0),
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new Coordinate(0.06, -0.030855692, 0),
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new Coordinate(0.064, -0.032809508, 0),
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new Coordinate(0.068, -0.034764497, 0),
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new Coordinate(0.072, -0.036720669, 0),
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new Coordinate(0.076, -0.038678032, 0),
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new Coordinate(0.08, -0.040636596, 0),
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new Coordinate(0.084, -0.042596368, 0),
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new Coordinate(0.088, -0.044557359, 0),
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new Coordinate(0.092, -0.046519577, 0),
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new Coordinate(0.096, -0.048483032, 0),
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new Coordinate(0.1, -0.050447733, 0),
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new Coordinate(0.104, -0.052413689, 0),
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new Coordinate(0.108, -0.054380911, 0),
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new Coordinate(0.112, -0.056349408, 0),
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new Coordinate(0.116, -0.05831919, 0),
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new Coordinate(0.12, -0.060290266, 0),
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new Coordinate(0.124, -0.062262648, 0),
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new Coordinate(0.128, -0.064236344, 0),
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new Coordinate(0.132, -0.066211365, 0),
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new Coordinate(0.136, -0.068187722, 0),
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new Coordinate(0.14, -0.070165425, 0),
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new Coordinate(0.144, -0.072144484, 0),
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new Coordinate(0.148, -0.074124911, 0),
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new Coordinate(0.152, -0.076106716, 0),
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new Coordinate(0.156, -0.07808991, 0),
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new Coordinate(0.16, -0.080074505, 0),
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new Coordinate(0.164, -0.082060511, 0),
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new Coordinate(0.168, -0.08404794, 0),
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new Coordinate(0.172, -0.086036803, 0),
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new Coordinate(0.176, -0.088027112, 0),
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new Coordinate(0.18, -0.090018879, 0),
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new Coordinate(0.184, -0.092012115, 0),
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new Coordinate(0.188, -0.094006834, 0),
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new Coordinate(0.192, -0.096003045, 0),
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new Coordinate(0.196, -0.098000763, 0),
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new Coordinate(0.2, -0.1, 0),
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new Coordinate(0.204, -0.102000768, 0),
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new Coordinate(0.208, -0.104003079, 0),
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new Coordinate(0.212, -0.106006948, 0),
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new Coordinate(0.216, -0.108012386, 0),
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new Coordinate(0.22, -0.110019407, 0),
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new Coordinate(0.224, -0.112028025, 0),
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new Coordinate(0.228, -0.114038253, 0),
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new Coordinate(0.232, -0.116050104, 0),
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new Coordinate(0.236, -0.118063594, 0),
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new Coordinate(0.24, -0.120078734, 0),
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new Coordinate(0.244, -0.122095541, 0),
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new Coordinate(0.248, -0.124114028, 0),
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new Coordinate(0.252, -0.126134209, 0),
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new Coordinate(0.256, -0.1281561, 0),
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new Coordinate(0.26, -0.130179716, 0),
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new Coordinate(0.264, -0.132205071, 0),
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new Coordinate(0.268, -0.134232181, 0),
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new Coordinate(0.272, -0.136261062, 0),
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new Coordinate(0.276, -0.138291728, 0),
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new Coordinate(0.28, -0.140324197, 0),
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new Coordinate(0.284, -0.142358484, 0),
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new Coordinate(0.288, -0.144394605, 0),
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new Coordinate(0.292, -0.146432578, 0),
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new Coordinate(0.296, -0.148472418, 0),
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new Coordinate(0.3, -0.150514143, 0),
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new Coordinate(0.304, -0.152557769, 0),
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new Coordinate(0.308, -0.154603316, 0),
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new Coordinate(0.312, -0.156650799, 0),
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new Coordinate(0.316, -0.158700236, 0),
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new Coordinate(0.32, -0.160751647, 0),
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new Coordinate(0.324, -0.16280505, 0),
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new Coordinate(0.328, -0.164860462, 0),
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new Coordinate(0.332, -0.166917903, 0),
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new Coordinate(0.336, -0.168977392, 0),
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new Coordinate(0.34, -0.171038948, 0),
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new Coordinate(0.344, -0.173102591, 0),
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new Coordinate(0.348, -0.175168341, 0),
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new Coordinate(0.352, -0.177236218, 0),
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new Coordinate(0.356, -0.179306243, 0),
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new Coordinate(0.36, -0.181378435, 0),
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new Coordinate(0.364, -0.183452818, 0),
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new Coordinate(0.368, -0.18552941, 0),
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new Coordinate(0.372, -0.187608235, 0),
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new Coordinate(0.376, -0.189689315, 0),
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new Coordinate(0.38, -0.191772671, 0),
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new Coordinate(0.384, -0.193858326, 0),
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new Coordinate(0.388, -0.195946303, 0),
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new Coordinate(0.392, -0.198036625, 0),
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new Coordinate(0.396, -0.200129317, 0),
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new Coordinate(0.4, -0.202224401, 0)
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};
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assertEquals("Canted fin number of points doesn't match! ", expPoints.length, actPoints.length);
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assertEquals("Canted root number of points doesn't match! ", expRootPoints.length, rootPoints.length);
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for (int i = 0; i < expPoints.length; i++) {
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assertEquals("Canted fin point [" + i + "] doesn't match! ", expPoints[i].x, actPoints[i].x, EPSILON);
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assertEquals("Canted fin point [" + i + "] doesn't match! ", expPoints[i].y, actPoints[i].y, EPSILON);
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assertEquals("Canted fin point [" + i + "] doesn't match! ", expPoints[i].z, actPoints[i].z, EPSILON);
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}
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for (int i = 0; i < expRootPoints.length; i++) {
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assertEquals("Canted root point [" + i + "] doesn't match! ", expRootPoints[i].x, rootPoints[i].x, EPSILON);
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assertEquals("Canted root point [" + i + "] doesn't match! ", expRootPoints[i].y, rootPoints[i].y, EPSILON);
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assertEquals("Canted root point [" + i + "] doesn't match! ", expRootPoints[i].z, rootPoints[i].z, EPSILON);
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}
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}
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@Test
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public void testFreeformCMComputation_trapezoidOnTube() {
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final Rocket rkt = createTemplateRocket();
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@ -1,6 +1,7 @@
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package net.sf.openrocket.rocketcomponent;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertArrayEquals;
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import org.junit.Test;
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@ -111,6 +112,71 @@ public class TrapezoidFinSetTest extends BaseTestCase {
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}
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}
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@Test
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public void testGenerateTrapezoidalPointsWithCant() {
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final Rocket rkt = createSimpleTrapezoidalFin();
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FinSet fins = (FinSet) rkt.getChild(0).getChild(0).getChild(0);
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fins.setCantAngle(Math.toRadians(15));
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// Fin length = 0.05
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// Tab Length = 0.01
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// +--+
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// / \
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// / \
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// +---+--------+---+
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//
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Coordinate[] actPoints = fins.getFinPoints();
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Coordinate[] rootPoints = fins.getRootPoints();
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final Coordinate[] expPoints = new Coordinate[] {
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new Coordinate(0.00, -0.00030189855, 0.00),
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new Coordinate(0.02, 0.05, 0.00),
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new Coordinate(0.04, 0.05, 0.00),
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new Coordinate(0.06, -0.00030189855, 0.00)
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};
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final Coordinate[] expRootPoints = new Coordinate[] {
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new Coordinate(0.0000, -0.000301899, 0.0000),
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new Coordinate(0.0025, -0.000253617, 0.0000),
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new Coordinate(0.0050, -0.000209555, 0.0000),
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new Coordinate(0.0075, -0.000169706, 0.0000),
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new Coordinate(0.0100, -0.000134064, 0.0000),
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new Coordinate(0.0125, -0.000102627, 0.0000),
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new Coordinate(0.0150, -0.000075389, 0.0000),
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new Coordinate(0.0175, -0.000052348, 0.0000),
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new Coordinate(0.0200, -0.000033499, 0.0000),
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new Coordinate(0.0225, -0.000018842, 0.0000),
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new Coordinate(0.0250, -0.000008374, 0.0000),
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new Coordinate(0.0275, -0.000002093, 0.0000),
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new Coordinate(0.0300, 0.0000, 0.0000),
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new Coordinate(0.0325, -0.000002093, 0.0000),
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new Coordinate(0.0350, -0.000008374, 0.0000),
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new Coordinate(0.0375, -0.000018842, 0.0000),
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new Coordinate(0.0400, -0.000033499, 0.0000),
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new Coordinate(0.0425, -0.000052348, 0.0000),
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new Coordinate(0.0450, -0.000075389, 0.0000),
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new Coordinate(0.0475, -0.000102627, 0.0000),
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new Coordinate(0.0500, -0.000134064, 0.0000),
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new Coordinate(0.0525, -0.000169706, 0.0000),
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new Coordinate(0.0550, -0.000209555, 0.0000),
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new Coordinate(0.0575, -0.000253617, 0.0000),
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new Coordinate(0.0600, -0.000301899, 0.0000)
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};
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assertEquals("Canted fin number of points doesn't match! ", expPoints.length, actPoints.length);
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assertEquals("Canted root number of points doesn't match! ", expRootPoints.length, rootPoints.length);
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for (int i = 0; i < expPoints.length; i++) {
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assertEquals("Canted fin point [" + i + "] doesn't match! ", expPoints[i].x, actPoints[i].x, EPSILON);
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assertEquals("Canted fin point [" + i + "] doesn't match! ", expPoints[i].y, actPoints[i].y, EPSILON);
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assertEquals("Canted fin point [" + i + "] doesn't match! ", expPoints[i].z, actPoints[i].z, EPSILON);
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}
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for (int i = 0; i < expRootPoints.length; i++) {
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assertEquals("Canted root point [" + i + "] doesn't match! ", expRootPoints[i].x, rootPoints[i].x, EPSILON);
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assertEquals("Canted root point [" + i + "] doesn't match! ", expRootPoints[i].y, rootPoints[i].y, EPSILON);
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assertEquals("Canted root point [" + i + "] doesn't match! ", expRootPoints[i].z, rootPoints[i].z, EPSILON);
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}
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}
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@Test
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public void testCGCalculation_simpleSquareFin() {
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final Rocket rkt = createSimpleTrapezoidalFin();
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