yyy1000 commented on code in PR #877:
URL: https://github.com/apache/sedona/pull/877#discussion_r1246216447
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common/src/test/java/org/apache/sedona/common/FunctionsTest.java:
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@@ -1200,6 +1199,31 @@ public void geometryTypeWithMeasuredCollection() {
assertEquals(expected4, actual4);
}
+ @Test
+ public void closestPoint() {
+ Point point1 = GEOMETRY_FACTORY.createPoint(new Coordinate(1, 1));
+ LineString lineString1 =
GEOMETRY_FACTORY.createLineString(coordArray(1, 0, 1, 1, 2, 1, 2, 0, 1, 0));
+ String expected1 = "POINT (1 1)";
+ String actual1 = Functions.closestPoint(point1, lineString1).toText();
+ assertEquals(expected1, actual1);
+
+ Point point2 = GEOMETRY_FACTORY.createPoint(new Coordinate(160, 40));
+ LineString lineString2 =
GEOMETRY_FACTORY.createLineString(coordArray(10, 30, 50, 50, 30, 110, 70, 90,
180, 140, 130, 190));
+ String expected2 = "POINT (160 40)";
+ String actual2 = Functions.closestPoint(point2, lineString2).toText();
+ assertEquals(expected2, actual2);
+ Point expectedPoint3 = GEOMETRY_FACTORY.createPoint(new
Coordinate(125.75342465753425, 115.34246575342466));
+ Double expected3 = Functions.closestPoint(lineString2,
point2).distance(expectedPoint3);
+ assertEquals(expected3, 0, 1e-3);
+
+ Point point4 = GEOMETRY_FACTORY.createPoint(new Coordinate(80, 160));
+ Polygon polygonA = GEOMETRY_FACTORY.createPolygon(coordArray(190, 150,
20, 10, 160, 70, 190, 150));
+ Geometry polygonB = Functions.buffer(point4, 30);
+ Point expectedPoint4 = GEOMETRY_FACTORY.createPoint(new
Coordinate(131.59149149528952, 101.89887534906197));
+ Double expected4 = Functions.closestPoint(polygonA,
polygonB).distance(expectedPoint4);
+ assertEquals(expected4, 0, 1e-6);
+ }
Review Comment:
OK, but I'm a little confused. Though it could work. I search it but can't
find any usage about geometry collections. XD
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