diff options
Diffstat (limited to 'src/modules/commander/calibration_routines.h')
-rw-r--r-- | src/modules/commander/calibration_routines.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/modules/commander/calibration_routines.h b/src/modules/commander/calibration_routines.h new file mode 100644 index 000000000..e3e7fbafd --- /dev/null +++ b/src/modules/commander/calibration_routines.h @@ -0,0 +1,61 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * Author: Lorenz Meier <lm@inf.ethz.ch> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file calibration_routines.h + * Calibration routines definitions. + * + * @author Lorenz Meier <lm@inf.ethz.ch> + */ + +/** + * Least-squares fit of a sphere to a set of points. + * + * Fits a sphere to a set of points on the sphere surface. + * + * @param x point coordinates on the X axis + * @param y point coordinates on the Y axis + * @param z point coordinates on the Z axis + * @param size number of points + * @param max_iterations abort if maximum number of iterations have been reached. If unsure, set to 100. + * @param delta abort if error is below delta. If unsure, set to 0 to run max_iterations times. + * @param sphere_x coordinate of the sphere center on the X axis + * @param sphere_y coordinate of the sphere center on the Y axis + * @param sphere_z coordinate of the sphere center on the Z axis + * @param sphere_radius sphere radius + * + * @return 0 on success, 1 on failure + */ +int sphere_fit_least_squares(const float x[], const float y[], const float z[], + unsigned int size, unsigned int max_iterations, float delta, float *sphere_x, float *sphere_y, float *sphere_z, float *sphere_radius);
\ No newline at end of file |