locationtech · dr-jts · Feb 21, 2019 · Feb 21, 2019
diff --git a/modules/core/src/main/java/org/locationtech/jts/geom/impl/PackedCoordinateSequence.java b/modules/core/src/main/java/org/locationtech/jts/geom/impl/PackedCoordinateSequence.java
@@ -294,13 +294,13 @@ public Double(Coordinate[] coordinates, int dimension, int measures) {
 
       coords = new double[coordinates.length * this.dimension];
       for (int i = 0; i < coordinates.length; i++) {
-        coords[i * this.dimension] = coordinates[i].x;
-        if (this.dimension >= 2)
-          coords[i * this.dimension + 1] = coordinates[i].y;
-        if (this.dimension >= 3)
-          coords[i * this.dimension + 2] = coordinates[i].getOrdinate(2); // Z or M
-        if (this.dimension >= 4)
-          coords[i * this.dimension + 3] = coordinates[i].getOrdinate(3); // M
+        int offset = i * dimension;
+        coords[offset] = coordinates[i].x;
+        coords[offset + 1] = coordinates[i].y;
+        if (dimension >= 3)
+          coords[offset + 2] = coordinates[i].getOrdinate(2); // Z or M
+        if (dimension >= 4)
+          coords[offset + 3] = coordinates[i].getOrdinate(3); // M
       }
     }
     /**
@@ -463,13 +463,15 @@ public Float(Coordinate[] coordinates, int dimension, int measures) {
       if (coordinates == null)
         coordinates = new Coordinate[0];
 
-      coords = new float[coordinates.length * this.dimension];
+      coords = new float[coordinates.length * dimension];
       for (int i = 0; i < coordinates.length; i++) {
-        coords[i * this.dimension] = (float) coordinates[i].x;
-        if (this.dimension >= 2)
-          coords[i * this.dimension + 1] = (float) coordinates[i].y;
-        if (this.dimension >= 3)
-          coords[i * this.dimension + 2] = (float) coordinates[i].getZ();
+        int offset = i * dimension;
+        coords[offset] = (float) coordinates[i].x;
+        coords[offset + 1] = (float) coordinates[i].y;
+        if (dimension >= 3)
+          coords[offset + 2] = (float) coordinates[i].getOrdinate(2); // Z or M
+        if (dimension >= 4)
+          coords[offset + 3] = (float) coordinates[i].getOrdinate(3); // M
       }
     }
 

diff --git a/...core/src/test/java/org/locationtech/jts/geom/impl/PackedCoordinateSequenceDoubleTest.java b/...core/src/test/java/org/locationtech/jts/geom/impl/PackedCoordinateSequenceDoubleTest.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2016 Vivid Solutions.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+8000
 * and Eclipse Distribution License v. 1.0 which accompanies this distribution.
+ * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
+ * and the Eclipse Distribution License is available at
+ *
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ */
+
+package org.locationtech.jts.geom.impl;
+
+import org.locationtech.jts.geom.CoordinateSequenceFactory;
+
+import junit.textui.TestRunner;
+
+/**
+ * Test {@link PackedCoordinateSequence.Double}
+ * using the {@link CoordinateSequenceTestBase}
+ * @version 1.7
+ */
+public class PackedCoordinateSequenceDoubleTest
+    extends CoordinateSequenceTestBase
+{
+  public static void main(String args[]) {
+    TestRunner.run(PackedCoordinateSequenceDoubleTest.class);
+  }
+
+  public PackedCoordinateSequenceDoubleTest(String name)
+  {
+    super(name);
+  }
+
+  @Override
+  CoordinateSequenceFactory getCSFactory() {
+    return PackedCoordinateSequenceFactory.DOUBLE_FACTORY;
+  }
+
+}
diff --git a/.../core/src/test/java/org/locationtech/jts/geom/impl/PackedCoordinateSequenceFloatTest.java b/.../core/src/test/java/org/locationtech/jts/geom/impl/PackedCoordinateSequenceFloatTest.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2016 Vivid Solutions.
 *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Eclipse Distribution License v. 1.0 which accompanies this distribution.
+ * The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
+ * and the Eclipse Distribution License is available at
+ *
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ */
+
+package org.locationtech.jts.geom.impl;
+
+import org.locationtech.jts.geom.CoordinateSequenceFactory;
+
+import junit.textui.TestRunner;
+
+/**
+ * Test {@link PackedCoordinateSequence.Float}
+ * using the {@link CoordinateSequenceTestBase}
+ * 
+ * @version 1.7
+ */
+public class PackedCoordinateSequenceFloatTest
+    extends CoordinateSequenceTestBase
+{
+  public static void main(String args[]) {
+    TestRunner.run(PackedCoordinateSequenceFloatTest.class);
+  }
+
+  public PackedCoordinateSequenceFloatTest(String name)
+  {
+    super(name);
+  }
+
+  @Override
+  CoordinateSequenceFactory getCSFactory() {
+    return PackedCoordinateSequenceFactory.FLOAT_FACTORY;
+  }
+
+}
diff --git a/modules/core/src/test/java/org/locationtech/jts/geom/impl/PackedCoordinateSequenceTest.java b/modules/core/src/test/java/org/locationtech/jts/geom/impl/PackedCoordinateSequenceTest.java
@@ -42,92 +42,136 @@ CoordinateSequenceFactory getCSFactory() {
     return new PackedCoordinateSequenceFactory();
   }
 
-  public void testDimensionAndMeasure()
+  public void testDouble() {
+    checkAll( PackedCoordinateSequenceFactory.DOUBLE_FACTORY );
+  }
+
+  public void testFloat() {
+    checkAll( PackedCoordinateSequenceFactory.FLOAT_FACTORY) ;
+  }
+
+  public void checkAll(CoordinateSequenceFactory factory)
+  {
+    checkDim2(factory);
+    checkDim3(factory);
+    checkDim3_M1(factory);
+    checkDim4_M1(factory);
+    checkDimInvalid(factory);
+  }
+
+  public void checkDim2(CoordinateSequenceFactory factory)
   {
-    CoordinateSequenceFactory factory = getCSFactory();
     CoordinateSequence seq = factory.create(5, 2);
-    CoordinateSequence copy;
-    Coordinate coord;
-    Coordinate[] array;
-
     initProgression(seq);
-    assertEquals("xz", 2, seq.getDimension());
-    assertTrue("Z", !seq.hasZ());
-    assertTrue("M", !seq.hasM());
-    coord = seq.getCoordinate(4);
+
+    assertEquals("Dimension should be 2", 2, seq.getDimension());
+    assertTrue("Z should not be present", !seq.hasZ());
+    assertTrue("M should not be present", !seq.hasM());
+
+    Coordinate coord = seq.getCoordinate(4);
     assertTrue( coord instanceof CoordinateXY);
     assertEquals( 4.0, coord.getX());
     assertEquals( 4.0, coord.getY());
-    array = seq.toCoordinateArray();
+
+    Coordinate[] array = seq.toCoordinateArray();
     assertEquals(coord, array[4]);
     assertTrue(coord != array[4]);
     assertTrue(isEqual(seq,array));
-    copy = factory.create(array);
-    assertTrue(isEqual(copy,array));
-    copy = factory.create(seq);
+
+    CoordinateSequence copy = factory.create(array);
     assertTrue(isEqual(copy,array));
 
-    seq = factory.create(5, 3);
+    CoordinateSequence copy2 = factory.create(seq);
+    assertTrue(isEqual(copy2,array));
+  }
+
+  public void checkDim3(CoordinateSequenceFactory factory)
+  {
+    CoordinateSequence seq = factory.create(5, 3);
     initProgression(seq);
-    assertEquals("xyz", 3, seq.getDimension());
-    assertTrue("Z", seq.hasZ());
-    assertTrue("M", !seq.hasM());
-    coord = seq.getCoordinate(4);
+
+    assertEquals("Dimension should be 3", 3, seq.getDimension());
+    assertTrue("Z should be present", seq.hasZ());
+    assertTrue("M should not be present", !seq.hasM());
+
+    Coordinate coord = seq.getCoordinate(4);
     assertTrue( coord.getClass() == Coordinate.class);
     assertEquals( 4.0, coord.getX());
     assertEquals( 4.0, coord.getY());
     assertEquals( 4.0, coord.getZ());
-    array = seq.toCoordinateArray();
+
+    Coordinate[] array = seq.toCoordinateArray();
     assertEquals(coord, array[4]);
     assertTrue(coord != array[4]);
-    assertTrue(isEqual(seq,array));
-    copy = factory.create(array);
-    assertTrue(isEqual(copy,array));
-    copy = factory.create(seq);
-    assertTrue(isEqual(copy,array));
+    assertTrue(isEqual(seq, array));
 
-    seq = factory.create(5, 3, 1);
-    initProgression(seq);
-    assertEquals("xym", 3, seq.getDimension());
-    assertTrue("Z", !seq.hasZ());
-    assertTrue("M", seq.hasM());
-    coord = seq.getCoordinate(4);
+    CoordinateSequence copy = factory.create(array);
+    assertTrue(isEqual(copy, array));
+
+    CoordinateSequence copy2 = factory.create(seq);
+    assertTrue(isEqual(copy2, array));
+  }
+
+  public void checkDim3_M1(CoordinateSequenceFactory factory)
+  { 
+    CoordinateSequence seq = factory.create(5, 3, 1);
+    initProgression(seq);   
+
+    assertEquals("Dimension should be 3", 3, seq.getDimension());
+    assertTrue("Z should not be present", !seq.hasZ());
+    assertTrue("M should be present", seq.hasM());
+
+    Coordinate coord = seq.getCoordinate(4);
     assertTrue( coord instanceof CoordinateXYM);
     assertEquals( 4.0, coord.getX());
     assertEquals( 4.0, coord.getY());
     assertEquals( 4.0, coord.getM());
-    array = seq.toCoordinateArray();
+
+    Coordinate[] array = seq.toCoordinateArray();
     assertEquals(coord, array[4]);
     assertTrue(coord != array[4]);
     assertTrue(isEqual(seq,array));
-    copy = factory.create(array);
-    assertTrue(isEqual(copy,array));
-    copy = factory.create(seq);
+
+    CoordinateSequence copy = factory.create(array);
     assertTrue(isEqual(copy,array));
 
-    seq = factory.create(5, 4, 1);
+    CoordinateSequence copy2 = factory.create(seq);
+    assertTrue(isEqual(copy2,array));
+  }
+
+  public void checkDim4_M1(CoordinateSequenceFactory factory)
+  {
+    CoordinateSequence seq = factory.create(5, 4, 1);
     initProgression(seq);
-    assertEquals("xyzm", 4, seq.getDimension());
-    assertTrue("Z", seq.hasZ());
-    assertTrue("M", seq.hasM());
-    coord = seq.getCoordinate(4);
+
+    assertEquals("Dimension should be 4", 4, seq.getDimension());
+    assertTrue("Z should be present", seq.hasZ());
+    assertTrue("M should be present", seq.hasM());
+
+    Coordinate coord = seq.getCoordinate(4);
     assertTrue( coord instanceof CoordinateXYZM);
     assertEquals( 4.0, coord.getX());
     assertEquals( 4.0, coord.getY());
     assertEquals( 4.0, coord.getZ());
     assertEquals( 4.0, coord.getM());
-    array = seq.toCoordinateArray();
+
+    Coordinate[] array = seq.toCoordinateArray();
     assertEquals(coord, array[4]);
     assertTrue(coord != array[4]);
     assertTrue(isEqual(seq,array));
-    copy = factory.create(array);
-    assertTrue(isEqual(copy,array));
-    copy = factory.create(seq);
+
+    CoordinateSequence copy = factory.create(array);
     assertTrue(isEqual(copy,array));
 
+    CoordinateSequence copy2 = factory.create(seq);
+    assertTrue(isEqual(copy2, array));    
+  }  
+
+  public void checkDimInvalid(CoordinateSequenceFactory factory)
+  {
     try {
-      seq = factory.create(5, 2, 1);
-      fail("xm not supported");
+      CoordinateSequence seq = factory.create(5, 2, 1);
+      fail("Dimension=2/Measure=1 (XM) not supported");
     } catch (IllegalArgumentException expected) {
     }    
   }