1   /* Copyright 2013-2016 CS Systèmes d'Information
2    * Licensed to CS Systèmes d'Information (CS) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * CS licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *   http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.orekit.rugged.linesensor;
18  
19  import org.orekit.time.AbsoluteDate;
20  
21  /** Interface representing line datation model.
22   * @see LinearLineDatation
23   * @author Luc Maisonobe
24   */
25  public interface LineDatation {
26  
27      /** Get the date for a given line.
28       * @param lineNumber line number
29       * @return date at which line is acquired
30       */
31      AbsoluteDate getDate(double lineNumber);
32  
33      /** Get the line for a given date.
34       * @param date date
35       * @return line number
36       */
37      double getLine(AbsoluteDate date);
38  
39      /** Get the rate of lines scanning.
40       * @param lineNumber line number
41       * @return rate of lines scanning (lines / seconds)
42       */
43      double getRate(double lineNumber);
44  
45  }