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copy ZM values to polygon in makeRegular

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This commit is contained in:
Ben Kuster
2018-07-12 12:52:05 +02:00
parent ed7788ca37
commit 33ef64c912
2 changed files with 11 additions and 0 deletions
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3
src/ol/geom/Polygon.js
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@@ -434,6 +434,9 @@ export function makeRegular(polygon, center, radius, opt_angle) {
const angle = startAngle + (modulo(i, sides) * 2 * Math.PI / sides);
flatCoordinates[offset] = center[0] + (radius * Math.cos(angle));
flatCoordinates[offset + 1] = center[1] + (radius * Math.sin(angle));
for (let j = 2; j < stride; j++) {
flatCoordinates[offset + j] = center[j];
}
}
polygon.changed();
}

8
test/spec/ol/geom/polygon.test.js
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@@ -605,6 +605,14 @@ describe('ol/geom/Polygon', function() {
expect(coordinates[0][0]).to.roughlyEqual(0, 1e-9);
expect(coordinates[0][1]).to.roughlyEqual(1, 1e-9);
});
it('creates a regular polygon, maintaining ZM values', () => {
const circle = new Circle([0, 0, 1, 1], 1, 'XYZM');
const polygon = fromCircle(circle);
const coordinates = polygon.getLinearRing(0).getCoordinates();
expect(coordinates[0][2]).to.eql(1);
expect(coordinates[0][3]).to.eql(1);
});
});
});