vizutil.py
Go to the documentation of this file.00001 # Software License Agreement (BSD License) 00002 # 00003 # Copyright (c) 2009, Willow Garage, Inc. 00004 # All rights reserved. 00005 # 00006 # Redistribution and use in source and binary forms, with or without 00007 # modification, are permitted provided that the following conditions 00008 # are met: 00009 # 00010 # * Redistributions of source code must retain the above copyright 00011 # notice, this list of conditions and the following disclaimer. 00012 # * Redistributions in binary form must reproduce the above 00013 # copyright notice, this list of conditions and the following 00014 # disclaimer in the documentation and/or other materials provided 00015 # with the distribution. 00016 # * Neither the name of Willow Garage, Inc. nor the names of its 00017 # contributors may be used to endorse or promote products derived 00018 # from this software without specific prior written permission. 00019 # 00020 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00021 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00022 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00023 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00024 # COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00025 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00026 # BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00027 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00028 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00029 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00030 # ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00031 # POSSIBILITY OF SUCH DAMAGE. 00032 # Revision $Id$ 00033 00034 import sys 00035 00036 def check_matplotlib_deps(): 00037 try: 00038 import matplotlib 00039 except ImportError: 00040 print >> sys.stderr, """ERROR: rxplot requires matplotlib to run. 00041 Please type 'rosmake rxtools --rosdep-install'.""" 00042 sys.exit(1) 00043 try: 00044 import numpy as np 00045 except ImportError: 00046 print >> sys.stderr, """ERROR: rxplot requires numpy to run. 00047 Please type 'rosmake rxtools --rosdep-install'.""" 00048 sys.exit(1) 00049 00050 from distutils.version import StrictVersion 00051 if StrictVersion(np.__version__) < StrictVersion('1.0'): 00052 print >> sys.stderr, """ERROR: rxplot requires numpy version 1.0+ to run. 00053 Please type 'rosmake rxtools --rosdep-install'.""" 00054 sys.exit(1) 00055