1*4882a593SmuzhiyunCopyright 2010-2017 Mike Bostock 2*4882a593SmuzhiyunAll rights reserved. 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunRedistribution and use in source and binary forms, with or without modification, 5*4882a593Smuzhiyunare permitted provided that the following conditions are met: 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun* Redistributions of source code must retain the above copyright notice, this 8*4882a593Smuzhiyun list of conditions and the following disclaimer. 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun* Redistributions in binary form must reproduce the above copyright notice, 11*4882a593Smuzhiyun this list of conditions and the following disclaimer in the documentation 12*4882a593Smuzhiyun and/or other materials provided with the distribution. 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun* Neither the name of the author nor the names of contributors may be used to 15*4882a593Smuzhiyun endorse or promote products derived from this software without specific prior 16*4882a593Smuzhiyun written permission. 17*4882a593Smuzhiyun 18*4882a593SmuzhiyunTHIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 19*4882a593SmuzhiyunANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 20*4882a593SmuzhiyunWARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 21*4882a593SmuzhiyunDISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR 22*4882a593SmuzhiyunANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 23*4882a593Smuzhiyun(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 24*4882a593SmuzhiyunLOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 25*4882a593SmuzhiyunANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26*4882a593Smuzhiyun(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 27*4882a593SmuzhiyunSOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28