1 /*
2 * Copyright (C) 2019 Alberto Irurueta Carro (alberto@irurueta.com)
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 package com.irurueta.navigation.indoor;
17
18 import com.irurueta.algebra.Matrix;
19 import com.irurueta.geometry.Point;
20
21 import java.io.Serializable;
22
23 /**
24 * Contains a located reading from several radio sources.
25 *
26 * @param <P> a {@link Point} type.
27 */
28 public interface FingerprintLocated<P extends Point<?>> extends Serializable {
29
30 /**
31 * Gets position where fingerprint readings were made.
32 *
33 * @return position where fingerprint readings were made.
34 */
35 P getPosition();
36
37 /**
38 * Gets covariance of inhomogeneous coordinates of current position (if available).
39 *
40 * @return covariance of position or null.
41 */
42 Matrix getPositionCovariance();
43 }