1 /* 2 * Copyright (c) 2016-2017, The University of Oxford 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 1. Redistributions of source code must retain the above copyright notice, 8 * this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright notice, 10 * this list of conditions and the following disclaimer in the documentation 11 * and/or other materials provided with the distribution. 12 * 3. Neither the name of the University of Oxford nor the names of its 13 * contributors may be used to endorse or promote products derived from this 14 * software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef OSKAR_IMAGER_ROTATE_COORDS_H_ 30 #define OSKAR_IMAGER_ROTATE_COORDS_H_ 31 32 /** 33 * @file oskar_imager_rotate_coords.h 34 */ 35 36 #include <oskar_global.h> 37 #include <mem/oskar_mem.h> 38 #include <stddef.h> 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 /** 45 * @brief 46 * Rotate baseline coordinates to a new phase centre. 47 * 48 * @details 49 * This function rotates a set of baseline coordinates to a new phase centre. 50 * 51 * Prior to calling this function, the new phase centre must be set first 52 * using oskar_imager_set_direction(), and then the original phase centre 53 * must be set using oskar_imager_set_vis_phase_centre(). 54 * Note that the order of these function calls is important. 55 * 56 * @param[in] h Handle to imager. 57 * @param[in] num_coords Number of baseline coordinates. 58 * @param[in] uu_in Input baseline UU coordinates. 59 * @param[in] vv_in Input baseline VV coordinates. 60 * @param[in] ww_in Input baseline WW coordinates. 61 * @param[out] uu_out Output baseline UU coordinates. 62 * @param[out] vv_out Output baseline VV coordinates. 63 * @param[out] ww_out Output baseline WW coordinates. 64 */ 65 OSKAR_EXPORT 66 void oskar_imager_rotate_coords(oskar_Imager* h, size_t num_coords, 67 const oskar_Mem* uu_in, const oskar_Mem* vv_in, const oskar_Mem* ww_in, 68 oskar_Mem* uu_out, oskar_Mem* vv_out, oskar_Mem* ww_out); 69 70 #ifdef __cplusplus 71 } 72 #endif 73 74 #endif /* OSKAR_IMAGER_ROTATE_COORDS_H_ */ 75