def available_backends():
"""Return a list of the available backends."""
import os
from scitools.misc import check_if_module_exists
files = os.listdir(os.path.dirname(__file__))
files.remove('template_.py')
if '__init__.py' in files:
files.remove('__init__.py')
backends = [f for f in files if f.endswith('_.py')]
available = []
print '\nChecking if you have all the Easyviz backends...'
for b in backends:
module = 'scitools.easyviz.' + b[:-3]
try:
check_if_module_exists(module, abort=False, raise_exception=True, msg='')
available.append(module[17:])
except:
pass
#print "You can't use the %s backend" % module
return available
def available_backends():
"""Return a list of the available backends."""
import os
from scitools.misc import check_if_module_exists
files = os.listdir(os.path.dirname(__file__))
files.remove('template_.py')
if '__init__.py' in files:
files.remove('__init__.py')
backends = [f for f in files if f.endswith('_.py')]
available = []
print '\nChecking if you have all the Easyviz backends...'
for b in backends:
module = 'scitools.easyviz.' + b[:-3]
try:
check_if_module_exists(module,
abort=False,
raise_exception=True,
msg='')
available.append(module[17:])
except:
pass
#print "You can't use the %s backend" % module
return available
[<scitools.easyviz.common.Line object at 0xb15645ac>]
>>> subplot(2,2,4)
>>> plot(x,x**3,'r+',title='subplot(2,2,4)')
[<scitools.easyviz.common.Line object at 0xb31596ac>]
>>> ax = axes(viewport=[0.1, 0.55, 0.9, 0.9])
>>> plot(ax,x,cos(x),'bd--',axis=[-2,4,-1,2]')
"""
from .common import *
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
if check_if_module_exists(
'pygrace',
msg=
'You need to install the pygrace package from http://www.cacr.caltech.edu/~mmckerns/pygrace.html (Not PyGrace from sourceforge!) and the grace program.',
abort=False):
from pygrace import grace_np
else:
raise ImportError('Cannot import grace_np from pygrace')
class GraceBackend(BaseClass):
def __init__(self):
BaseClass.__init__(self)
self._init()
def _init(self, *args, **kwargs):
"""Perform initialization that is special for this backend."""
from scitools.easyviz import *
REQUIREMENTS:
Matplotlib
"""
from __future__ import division
from .common import *
from scitools.numpyutils import floor, linspace, array
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
from .misc import _update_from_config_file
check_if_module_exists('matplotlib', msg='You need to install the Matplotlib package.', abort=False)
import matplotlib
import matplotlib.colors
# Override values from the matplotlib configuration file with values
# from scitools.cfg before importing pylab
_update_from_config_file(matplotlib.rcParams, section='matplotlib')
matplotlib.interactive(True)
from matplotlib.font_manager import fontManager, FontProperties
import matplotlib.pyplot as pylab
from mpl_toolkits.mplot3d import axes3d, Axes3D
import re
class MatplotlibBackend(BaseClass):
def __init__(self):
"""
from __future__ import division
from common import *
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
import os
import tempfile
VISIT_ARGS = os.environ.get('VISIT_ARGS', ["-nosplash"])
if isinstance(VISIT_ARGS, str):
VISIT_ARGS = VISIT_ARGS.split()
check_if_module_exists('visit', msg='You need to install the VisIt package. Also make sure the visit Python module is in the PYTHONPATH environment variable.', abort=False)
import visit
for arg in VISIT_ARGS:
visit.AddArgument(arg)
visit.Launch()
class VisitBackend(BaseClass):
def __init__(self):
BaseClass.__init__(self)
self._init()
def _init(self, *args, **kwargs):
"""Perform initialization that is special for this backend."""
self.figure(self.getp('curfig'))
[<scitools.easyviz.common.Line object at 0xb15645ac>]
>>> subplot(2,2,4)
>>> plot(x,x**3,'r+',title='subplot(2,2,4)')
[<scitools.easyviz.common.Line object at 0xb31596ac>]
>>> ax = axes(viewport=[0.1, 0.55, 0.9, 0.9])
>>> plot(ax,x,cos(x),'bd--',axis=[-2,4,-1,2]')
"""
from __future__ import division
from .common import *
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
if check_if_module_exists('pygrace', msg='You need to install the pygrace package from http://www.cacr.caltech.edu/~mmckerns/pygrace.html (Not PyGrace from sourceforge!) and the grace program.', abort=False):
from pygrace import grace_np
else:
raise ImportError('Cannot import grace_np from pygrace')
class GraceBackend(BaseClass):
def __init__(self):
BaseClass.__init__(self)
self._init()
def _init(self, *args, **kwargs):
"""Perform initialization that is special for this backend."""
# Set docstrings of all functions to the docstrings of BaseClass
# The exception is if something is very different
>>> plot(ax, x, y2, 'b--')
[<scitools.easyviz.common.Line object at 0xb2c36d0c>]
>>>
The optional argument viewport to the axes command must specify a list with
four elements [left,bottom,right,top] where each of the elements defines
the margins around the axes.
"""
from .common import *
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
check_if_module_exists('veusz',
msg='You need to install the Veusz package.',
abort=False)
import veusz.embed
import os
class VeuszBackend(BaseClass):
def __init__(self):
BaseClass.__init__(self)
self._init()
def _init(self, *args, **kwargs):
"""Perform initialization that is special for this backend."""
# Set docstrings of all functions to the docstrings of BaseClass
REQUIREMENTS:
pyx
TODO:
- add support for mesh and surf (requires PyX from svn)
"""
from .common import *
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
check_if_module_exists('pyx', msg='You need to install the PyX package.', abort=False)
import pyx
import math
class PyXBackend(BaseClass):
def __init__(self):
BaseClass.__init__(self)
self._init()
def _init(self, *args, **kwargs):
"""Perform initialization that is special for this backend."""
# Set docstrings of all functions to the docstrings of BaseClass
# The exception is if something is very different
* Let _DXFigure be based on DXServer rather than just DX.
* In addition look at curve plotting (Plot module), caxis, colorbar,
meshc/surfc, ...
"""
from __future__ import division
from .common import *
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
check_if_module_exists('DX', msg='You need to install the py2dx package.', abort=False)
import DX
import Tkinter
import tempfile
DXMACROS = '/usr/share/dx/samples/macros'
DXMACROS = os.environ.get('DXMACROS', DXMACROS)
class _DXFigure(object):
def __init__(self, plt, width=640, height=480, depth=24, title='',
hw_render_mode='opengl'):
# create the GUI:
self.plt = plt
self.width = width
[<scitools.easyviz.common.Line object at 0xb2c36d0c>]
>>>
The optional argument viewport to the axes command must specify a list with
four elements [left,bottom,right,top] where each of the elements defines
the margins around the axes.
"""
from __future__ import division
from common import *
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
check_if_module_exists('veusz', msg='You need to install the Veusz package.', abort=False)
import veusz.embed
import os
class VeuszBackend(BaseClass):
def __init__(self):
BaseClass.__init__(self)
self._init()
def _init(self, *args, **kwargs):
"""Perform initialization that is special for this backend."""
# Set docstrings of all functions to the docstrings of BaseClass
# The exception is if something is very different
Pmw
BLT
TODO:
- add support for multiple axes (what about hardcopy then?)
"""
from .common import *
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
from scitools.numpyutils import floor, linspace, array
check_if_module_exists('Pmw', msg='You need to install the Pmw package.', abort=False)
import Pmw
import tkinter
class BltBackend(BaseClass):
def __init__(self):
BaseClass.__init__(self)
self._init()
def _init(self, *args, **kwargs):
"""Perform initialization that is special for this backend."""
# Set docstrings of all functions to the docstrings of BaseClass
# The exception is if something is very different
"""
from .common import *
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
try:
from scikits.mlabwrap import mlab
except ImportError:
try:
from mlabwrap import mlab
except ImportError:
# mlabwrap is not available
check_if_module_exists('mlabwrap',
msg='You need to install the mlabwrap package.',
abort=False)
class MatlabBackend(BaseClass):
def __init__(self):
BaseClass.__init__(self)
self._init()
def _init(self, *args, **kwargs):
"""Perform initialization that is special for this backend."""
# self.figure(self.getp('curfig'))
pass
def _set_scale(self, ax):
* How can we treat NaNs?
(see http://www.opendx.org/cgi-bin/forum/YaBB.pl?num=1155198504)
* Let _DXFigure be based on DXServer rather than just DX.
* In addition look at curve plotting (Plot module), caxis, colorbar,
meshc/surfc, ...
"""
from .common import *
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
check_if_module_exists('DX', msg='You need to install the py2dx package.', abort=False)
import DX
import tkinter
import tempfile
DXMACROS = '/usr/share/dx/samples/macros'
DXMACROS = os.environ.get('DXMACROS', DXMACROS)
class _DXFigure(object):
def __init__(self, plt, width=640, height=480, depth=24, title='',
hw_render_mode='opengl'):
# create the GUI:
self.plt = plt
"""
from __future__ import division
from .common import *
from scitools.globaldata import DEBUG, VERBOSE
from scitools.misc import check_if_module_exists
try:
from scikits.mlabwrap import mlab
except ImportError:
try:
from mlabwrap import mlab
except ImportError:
# mlabwrap is not available
check_if_module_exists("mlabwrap", msg="You need to install the mlabwrap package.", abort=False)
class MatlabBackend(BaseClass):
def __init__(self):
BaseClass.__init__(self)
self._init()
def _init(self, *args, **kwargs):
"""Perform initialization that is special for this backend."""
# self.figure(self.getp('curfig'))
pass
def _set_scale(self, ax):
"""Set linear or logarithmic (base 10) axis scale."""