gctl_examples/examples/point2d_rotate_ex.cpp
2024-09-10 20:19:20 +08:00

48 lines
2.4 KiB
C++

/********************************************************
* ██████╗ ██████╗████████╗██╗
* ██╔════╝ ██╔════╝╚══██╔══╝██║
* ██║ ███╗██║ ██║ ██║
* ██║ ██║██║ ██║ ██║
* ╚██████╔╝╚██████╗ ██║ ███████╗
* ╚═════╝ ╚═════╝ ╚═╝ ╚══════╝
* Geophysical Computational Tools & Library (GCTL)
*
* Copyright (c) 2022 Yi Zhang (yizhang-geo@zju.edu.cn)
*
* GCTL is distributed under a dual licensing scheme. You can redistribute
* it and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation, either version 2
* of the License, or (at your option) any later version. You should have
* received a copy of the GNU Lesser General Public License along with this
* program. If not, see <http://www.gnu.org/licenses/>.
*
* If the terms and conditions of the LGPL v.2. would prevent you from using
* the GCTL, please consider the option to obtain a commercial license for a
* fee. These licenses are offered by the GCTL's original author. As a rule,
* licenses are provided "as-is", unlimited in time for a one time fee. Please
* send corresponding requests to: yizhang-geo@zju.edu.cn. Please do not forget
* to include some description of your company and the realm of its activities.
* Also add information on how to contact you by electronic and paper mail.
******************************************************/
#include "gctl/core.h"
#include "gctl/geometry.h"
#include "iostream"
int main(int argc, char const *argv[])
{
gctl::point2dc a(1.0, 1.0);
gctl::point2dc o1(2.0, 2.0);
gctl::point2dc o2(1.0, 0.0);
gctl::point2dc b = a.rotate(0.5*GCTL_Pi);
gctl::point2dc c = a.rotate(-0.25*GCTL_Pi);
gctl::point2dc d = a.rotate(0.5*GCTL_Pi, o1);
gctl::point2dc e = a.rotate(-0.5*GCTL_Pi, o2);
std::cout << "a (" << a.x << ", " << a.y << ")" << std::endl;
std::cout << "b (" << b.x << ", " << b.y << ")" << std::endl;
std::cout << "c (" << c.x << ", " << c.y << ")" << std::endl;
std::cout << "d (" << d.x << ", " << d.y << ")" << std::endl;
std::cout << "e (" << e.x << ", " << e.y << ")" << std::endl;
return 0;
}