opendrive1.7样例及说明

/* =================================================== * file: readme.txt * --------------------------------------------------- * purpose: free sample for computing spirals * in OpenDRIVE applications * --------------------------------------------------- * first edit: 09.03.2010 by M. Dupuis @ VIRES GmbH * last mod.: 10.03.2020 by N. Dillmann @ ASAM e.V. * =================================================== * ASAM OpenDRIVE 1.6 Spiral example implementation * * * (C) by ASAM e.V., 2020 * Any use is limited to the scope described in the license terms. * The license terms can be viewed at www.asam.net/license * * * NOTE: * The methods have been realized using the CEPHES library * * http://www.netlib.org/cephes/ * * and do neither constitute the only nor the exclusive way of implementing * spirals for OpenDRIVE applications. Their sole purpose is to facilitate * the interpretation of OpenDRIVE spiral data. * MIT License for the cephes library * * Copyright 1984 - 1992 by Stephen L. Moshier * * Permission is hereby granted, free of charge, to any person obtaining a copy of * this software and associated documentation files (the "Software"), to deal in the * Software without restriction, including without limitation the rights to use, copy, * modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, * and to permit persons to whom the Software is furnished to do so, subject to the * following conditions: * * The above copyright notice and this permission notice shall be included in all copies * or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * */