/
boxfill.py
executable file
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boxfill.py
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"""
# Boxfill (Gfb) module
"""
###############################################################################
# Module: boxfill (Gfb) module #
# Copyright: 2000, Regents of the University of California #
# This software may not be distributed to others without #
# permission of the author. #
# Author: PCMDI Software Team #
# Lawrence Livermore NationalLaboratory: #
# support@pcmdi.llnl.gov #
# Description: Python command wrapper for VCS's boxfill graphics method. #
# Version: 5.0 #
###############################################################################
#
#
#
###############################################################################
# #
# Import: VCS C extension module. #
# #
###############################################################################
import vcs
import cdtime
import VCS_validation_functions
import xmldocs
import numpy
import warnings
def process_src(nm, code):
# Takes VCS script code (string) as input and generates boxfill gm from it
try:
gm = Gfb(nm)
except:
gm = vcs.elements["boxfill"][nm]
# process attributes with = as assignement
for att in ["projection",
"xticlabels#1", "xticlabels#2",
"xmtics#1", "xmtics#2",
"yticlabels#1", "yticlabels#2",
"ymtics#1", "ymtics#2",
"xaxisconvert", "yaxisconvert",
"datawc_tunits",
"boxfill_type",
"level_1", "level_2",
"color_1", "color_2",
"fillareastyle", "fillareaindices",
"fillareacolors", "fillareaopacity",
"legend",
"ext_1", "ext_2",
"missing",
"datawc_tunits",
"datawc_calendar"]:
i = code.find(att)
if i == -1:
continue
j = code[i:].find(",") + i
if j - i == -1: # last one no comma
j = None
scode = code[i:j]
sp = scode.split("=")
nm = sp[0].strip()
nm = nm.replace("#", "")
if nm == "datawc_tunits":
nm = "datawc_timeunits"
if nm == "legend":
if sp[1] != "()":
gm.legend = sp[1][1:-1]
continue
try:
# int will be converted
setattr(gm, nm, int(sp[1]))
except:
try:
# int and floats will be converted
setattr(gm, nm, eval(sp[1]))
except:
# strings
try:
setattr(gm, nm, sp[1])
except:
pass # oh well we stick to default value
# Datawc
idwc = code.find("datawc(")
if idwc > -1:
jdwc = code[idwc:].find(")") + idwc
cd = code[idwc + 7:jdwc]
vals = cd.split(",")
gm.datawc_x1 = float(vals[0])
gm.datawc_y1 = float(vals[1])
gm.datawc_x2 = float(vals[2])
gm.datawc_y2 = float(vals[3])
# idatawc
idwc = code.find("idatawc(")
if idwc > -1:
jdwc = code[idwc:].find(")") + idwc
cd = code[idwc + 8:jdwc]
vals = cd.split(",")
if int(vals[0]) == 1:
gm.datawc_x1 = cdtime.reltime(
gm.datawc_x1,
gm.datawc_timeunits).tocomp(
gm.datawc_calendar)
if int(vals[1]) == 1:
gm.datawc_y1 = cdtime.reltime(
gm.datawc_x2,
gm.datawc_timeunits).tocomp(
gm.datawc_calendar)
if int(vals[2]) == 1:
gm.datawc_x2 = cdtime.reltime(
gm.datawc_y1,
gm.datawc_timeunits).tocomp(
gm.datawc_calendar)
if int(vals[3]) == 1:
gm.datawc_y2 = cdtime.reltime(
gm.datawc_y2,
gm.datawc_timeunits).tocomp(
gm.datawc_calendar)
vcs.utils.process_range_from_old_scr(code, gm)
#############################################################################
# #
# Boxfill (Gfb) graphics method Class. #
# #
#############################################################################
# class Gfb(graphics_method_core):
class Gfb(object):
__doc__ = """
The boxfill graphics method (Gfb) displays a two-dimensional data array
by surrounding each data value by a colored grid box.
This class is used to define a boxfill table entry used in VCS, or it
can be used to change some or all of the attributes in an existing
boxfill table entry.
.. describe:: General use of a boxfill:
.. code-block:: python
# Constructor
a=vcs.init()
# Show predefined boxfill graphics methods
a.show('boxfill')
# Change the VCS color map
a.setcolormap("AMIP")
# Plot data 's' with boxfill 'b' and 'default' template
a.boxfill(s,b,'default')
.. describe:: Updating a boxfill:
.. code-block:: python
# Updates the VCS Canvas at user's request
a.update()
# Set VCS Canvas to automatic update mode
a.mode=1
# Use update function to update the VCS Canvas
a.mode=0
.. describe:: Create a new instance of boxfill:
.. code-block:: python
# Copies content of 'quick' to 'new'
box=a.createboxfill('new','quick')
# Copies content of 'default' to 'new'
box=a.createboxfill('new')
.. describe:: Modifying an existing boxfill:
.. code-block:: python
fill=a.getboxfill('quick')
# Set index using fillarea
box.fillareaindices=(7,fill,4,9,fill,15)
# list fillarea attributes
fill.list()
# change style
fill.style='hatch'
# change color
fill.color='black'
# change style index
fill.index=3
.. describe:: Overview of boxfill attributes:
* Listing all the boxfill attribute values:
.. code-block:: python
box.list()
* Setting boxfill attribute values:
.. code-block:: python
box.projection='linear'
lon30={-180:'180W',-150:'150W',0:'Eq'}
box.xticlabels1=lon30
box.xticlabels2=lon30
# Will set them both
box.xticlabels(lon30, lon30)
box.xmtics1=''
box.xmtics2=''
# Will set them both
box.xmtics(lon30, lon30)
box.yticlabels1=lat10
box.yticlabels2=lat10
# Will set them both
box.yticlabels(lat10, lat10)
box.ymtics1=''
box.ymtics2=''
# Will set them both
box.ymtics(lat10, lat10)
box.datawc_y1=-90.0
box.datawc_y2=90.0
box.datawc_x1=-180.0
box.datawc_x2=180.0
# Will set them all
box.datawc(-90, 90, -180, 180)
box.xaxisconvert='linear'
box.yaxisconvert='linear'
# Will set them both
box.xyscale('linear', 'area_wt')
box.level_1=1e20
box.level_2=1e20
box.color_1=0
box.color_2=255
# Will set them both
box.colors(0, 255 )
# 'linear' - compute or specify legend
box.boxfill_type='linear'
# 'log10' - plot using log10
box.boxfill_type='log10'
# 'custom' - use custom values to display legend evenly
box.boxfill_type='custom'
# Hold the legend values
box.legend=None
# Show left overflow arrow
box.ext_1='n'
# Show right overflow arrow
box.ext_2='y'
# Will set them both
box.exts('n', 'y' )
box.missing='black'
* Setting the boxfill levels:
.. code-block:: python
# Case 1: Levels are all contiguous:
box.levels=([0,20,25,30,35,40],)
box.levels=([0,20,25,30,35,40,45,50])
box.levels=[0,20,25,30,35,40]
box.levels=(0.0,20.0,25.0,30.0,35.0,40.0,50.0)
# Case 2: Levels are not contiguous:
box.levels=([0,20],[30,40],[50,60])
box.levels=([0,20,25,30,35,40],[30,40],[50,60])
* Setting the fillarea color indices:
.. code-block:: python
# Three different methods for setting color indices:
box.fillareacolors=([22,33,44,55,66,77])
box.fillareacolors=(16,19,33,44)
box.fillareacolors=None
* Setting the fillarea style:
.. code-block:: python
box.fillareastyle = 'solid'
box.fillareastyle = 'hatch'
box.fillareastyle = 'pattern'
* Setting the fillarea hatch or pattern indices:
.. code-block:: python
box.fillareaindices=([1,3,5,6,9,20])
box.fillareaindices=(7,1,4,9,6,15)
* Using the fillarea secondary object (Ex):
.. code-block:: python
f=createfillarea('fill1')
#To Create a new instance of fillarea use:
# Copies 'quick' to 'new'
fill=a.createfillarea('new','quick')
# Copies 'default' to 'new'
fill=a.createfillarea('new')
.. _boxfill-attribute-descriptions:
* Attribute descriptions:
.. py:attribute:: boxfill_type (str)
Type of boxfill legend. One of 'linear', 'log10', or 'custom'. See examples above for usage.
.. py:attribute:: level_1 (float)
Used in conjunction with boxfill_type linear/log10. Sets the value of the legend's first level
.. py:attribute:: level_2 (float)
Used in conjunction with boxfill_type linear/log10, sets the value of the legend's end level
.. py:attribute:: color_1 (float)
Used in conjunction with boxfill_type linear/log10, sets the legend's color range first value
.. py:attribute:: color_2 (float)
Used in conjunction with boxfill_type linear/log10, sets the legend's color range lasst value
.. py:attribute:: levels (list of floats)
Used in conjunction for boxfill_type custom, sets the levels range to use, can be
either a list of contiguous levels, or list of tuples indicating first
and last value of the range.
.. py:attribte:: fillareacolors (list)
Used in conjunction for boxfill_type custom colors to use for each level
.. py:attribute:: legend ({float:str})
Used in conjunction with boxfill_type linear/log10, replaces the
legend values in the dictionary keys with their associated string.
.. py:attribute:: ext_1 (str)
Draws an extension arrow on right side (values less than first range value)
.. py:attribute:: ext_2 (str)
Draws an extension arrow on left side (values greater than last range value)
.. py:attribute:: missing (int)
Color to use for missing value or values not in defined ranges.
%s
""" % xmldocs.graphics_method_core # noqa
def rename(self, newname):
"""
Renames the boxfill in the VCS name table.
.. note::
This function will not rename the 'default' boxfill.
If rename is called on the 'default' boxfill, newname is associated with default in the VCS name table,
but the boxfill's name will not be changed, and will behave in all ways as a 'default' boxfill.
:Example:
.. doctest:: gfb_rename
>>> b=vcs.createboxfill()
>>> b.name
'...'
>>> vcs.listelements('boxfill') # list will include the name show above
[...]
>>> b.rename('foo')
>>> b.name
'foo'
>>> vcs.listelements('boxfill') # list will include 'foo', but not the old name
[...'foo'...]
:param newname: The new name you want given to the boxfill
:type newname:
"""
if newname == "default":
raise Exception(
"You cannot overwrite the default boxfill graphic method")
if newname in vcs.elements["boxfill"].keys():
raise Exception(
"Sorry %s boxfill graphic method already exists" %
newname)
vcs.elements["boxfill"][newname] = vcs.elements["boxfill"][self.name]
if self.name == "default":
warnings.warn(
"You were trying to rename the 'deafult' boxfill method, it was merely copied not renamed")
else:
del(vcs.elements["boxfill"][self.name])
self = vcs.elements["boxfill"][newname]
return
__slots__ = [
'colormap',
'_colormap',
'__doc__',
'name',
'g_name',
'xaxisconvert',
'yaxisconvert',
'levels',
'fillareacolors',
'fillareastyle',
'fillareaindices',
'fillareaopacity',
'ext_1',
'ext_2',
'missing',
'projection',
'xticlabels1',
'xticlabels2',
'yticlabels1',
'yticlabels2',
'xmtics1',
'xmtics2',
'ymtics1',
'ymtics2',
'datawc_x1',
'datawc_x2',
'datawc_y1',
'datawc_y2',
'boxfill_type',
'color_1',
'color_2',
'level_1',
'level_2',
'legend',
'boxfill_type',
'datawc_timeunits',
'datawc_calendar',
'_name',
'_xaxisconvert',
'_yaxisconvert',
'_levels',
'_fillareacolors',
'_fillareastyle',
'_fillareaindices',
'_fillareaopacity',
'_ext_1',
'_ext_2',
'_missing',
'_projection',
'_xticlabels1',
'_xticlabels2',
'_yticlabels1',
'_yticlabels2',
'_xmtics1',
'_xmtics2',
'_ymtics1',
'_ymtics2',
'_datawc_x1',
'_datawc_x2',
'_datawc_y1',
'_datawc_y2',
'_legend',
'_boxfill_type',
'_color_1',
'_color_2',
'_level_1',
'_level_2',
'_datawc_timeunits',
'_datawc_calendar',
'info',
]
colormap = VCS_validation_functions.colormap
# Removed from doc string
# box.levels(10, 90) # Will set them both
###########################################################################
# #
# Initialize the boxfill attributes. #
# #
###########################################################################
def __init__(self, Gfb_name=None, Gfb_name_src='default'):
if isinstance(Gfb_name_src, Gfb):
Gfb_name_src = Gfb_name_src.name
if Gfb_name == "default" and Gfb_name_src != "default":
raise "You can not alter the 'default' boxfill method"
if Gfb_name in vcs.elements["boxfill"].keys():
raise Exception(
"Error boxfill method '%s' already exists" %
Gfb_name)
self._name = Gfb_name
self.g_name = 'Gfb'
if Gfb_name == "default":
self._projection = "linear"
self._xticlabels1 = "*"
self._xticlabels2 = "*"
self._xmtics1 = ""
self._xmtics2 = ""
self._yticlabels1 = "*"
self._yticlabels2 = "*"
self._ymtics1 = ""
self._ymtics2 = ""
self._datawc_y1 = 1.e20
self._datawc_y2 = 1.e20
self._datawc_x1 = 1.e20
self._datawc_x2 = 1.e20
# End Core Graphics Method attributes
self._xaxisconvert = "linear"
self._yaxisconvert = "linear"
self._ext_1 = False
self._ext_2 = False
self._missing = (0.0, 0.0, 0.0, 100.0)
self._fillareastyle = 'solid'
self._fillareaindices = [1, ]
self._fillareaopacity = []
self._fillareacolors = None
self._levels = ([1.e20, 1.e20])
self._level_1 = 1.e20
self._level_2 = 1.e20
self._color_1 = 0
self._color_2 = 255
self._boxfill_type = "linear"
self._datawc_timeunits = 'days since 2000'
self._datawc_calendar = cdtime.DefaultCalendar
self._legend = None
self._colormap = None
else:
src = vcs.elements["boxfill"][Gfb_name_src]
self._projection = src.projection
self._xticlabels1 = src.xticlabels1
self._xticlabels2 = src.xticlabels2
self._xmtics1 = src.xmtics1
self._xmtics2 = src.xmtics2
self._yticlabels1 = src.yticlabels1
self._yticlabels2 = src.yticlabels2
self._ymtics1 = src.ymtics1
self._ymtics2 = src.ymtics2
self._datawc_y1 = src.datawc_y1
self._datawc_y2 = src.datawc_y2
self._datawc_x1 = src.datawc_x1
self._datawc_x2 = src.datawc_x2
# End Core Graphics Method attributes
self._xaxisconvert = src.xaxisconvert
self._yaxisconvert = src.yaxisconvert
self._ext_1 = src.ext_1
self._ext_2 = src.ext_2
self._missing = src.missing
self._fillareastyle = src.fillareastyle
self._fillareaindices = src.fillareaindices
self._fillareacolors = src.fillareacolors
self._fillareaopacity = src.fillareaopacity
self._levels = src.levels
self._level_1 = src.level_1
self._level_2 = src.level_2
self._color_1 = src.color_1
self._color_2 = src.color_2
self._boxfill_type = src.boxfill_type
self._datawc_timeunits = src.datawc_timeunits
self._datawc_calendar = src.datawc_calendar
self._legend = src.legend
self._colormap = src.colormap
vcs.elements["boxfill"][Gfb_name] = self
###########################################################################
# #
# Set boxfill attributes. #
# #
###########################################################################
def _getcalendar(self):
return self._datawc_calendar
def _setcalendar(self, value):
value = VCS_validation_functions.checkCalendar(
self,
'datawc_calendar',
value)
self._datawc_calendar = value
datawc_calendar = property(_getcalendar, _setcalendar)
def _gettimeunits(self):
return self._datawc_timeunits
def _settimeunits(self, value):
value = VCS_validation_functions.checkTimeUnits(
self,
'datawc_timeunits',
value)
self._datawc_timeunits = value
datawc_timeunits = property(_gettimeunits, _settimeunits)
def _getboxfilltype(self):
return self._boxfill_type
def _setboxfilltype(self, value):
value = VCS_validation_functions.checkBoxfillType(
self,
'boxfill_type',
value)
self._boxfill_type = value
boxfill_type = property(_getboxfilltype, _setboxfilltype)
def _getlevel_1(self):
return self._level_1
def _setlevel_1(self, value):
value = VCS_validation_functions.checkIntFloat(self, 'level_1', value)
self._level_1 = value
level_1 = property(_getlevel_1, _setlevel_1)
def _getlevel_2(self):
return self._level_2
def _setlevel_2(self, value):
value = VCS_validation_functions.checkIntFloat(self, 'level_2', value)
self._level_2 = value
level_2 = property(_getlevel_2, _setlevel_2)
def _getcolor_1(self):
return self._color_1
def _setcolor_1(self, value):
value = VCS_validation_functions.checkColor(self, 'color_1', value)
self._color_1 = value
color_1 = property(_getcolor_1, _setcolor_1)
def _getcolor_2(self):
return self._color_2
def _setcolor_2(self, value):
value = VCS_validation_functions.checkColor(self, 'color_2', value)
self._color_2 = value
color_2 = property(_getcolor_2, _setcolor_2)
levels = VCS_validation_functions.levels
fillareacolors = VCS_validation_functions.fillareacolors
def _getfillareaindices(self):
return self._fillareaindices
def _setfillareaindices(self, value):
if value is not None:
value = VCS_validation_functions.checkIndicesList(
self,
'fillareaindices',
value)
self._fillareaindices = value
fillareaindices = property(_getfillareaindices, _setfillareaindices)
def _getfillareastyle(self):
return self._fillareastyle
def _setfillareastyle(self, value):
value = VCS_validation_functions.checkFillAreaStyle(
self,
'fillareastyle',
value)
self._fillareastyle = value
fillareastyle = property(_getfillareastyle, _setfillareastyle)
fillareaopacity = VCS_validation_functions.fillareaopacity
ext_1 = VCS_validation_functions.ext_1
ext_2 = VCS_validation_functions.ext_2
def _getmissing(self):
return self._missing
def _setmissing(self, value):
value = VCS_validation_functions.checkColor(self, 'missing', value)
self._missing = value
missing = property(_getmissing, _setmissing)
legend = VCS_validation_functions.legend
def _getname(self):
return self._name
def _setname(self, value):
value = VCS_validation_functions.checkname(self, 'name', value)
if value is not None:
self._name = value
name = property(_getname, _setname)
def _getxaxisconvert(self):
return self._xaxisconvert
def _setxaxisconvert(self, value):
value = VCS_validation_functions.checkAxisConvert(
self,
'xaxisconvert',
value)
self._xaxisconvert = value
xaxisconvert = property(_getxaxisconvert, _setxaxisconvert)
def _getyaxisconvert(self):
return self._yaxisconvert
def _setyaxisconvert(self, value):
value = VCS_validation_functions.checkAxisConvert(
self,
'yaxisconvert',
value)
self._yaxisconvert = value
yaxisconvert = property(_getyaxisconvert, _setyaxisconvert)
projection = VCS_validation_functions.projection
def _getxticlabels1(self):
return self._xticlabels1
def _setxticlabels1(self, value):
value = VCS_validation_functions.checkTicks(self, 'xticlabels1', value)
self._xticlabels1 = value
xticlabels1 = property(_getxticlabels1, _setxticlabels1)
def _getxticlabels2(self):
return self._xticlabels2
def _setxticlabels2(self, value):
value = VCS_validation_functions.checkTicks(self, 'xticlabels2', value)
self._xticlabels2 = value
xticlabels2 = property(_getxticlabels2, _setxticlabels2)
def _getyticlabels1(self):
return self._yticlabels1
def _setyticlabels1(self, value):
value = VCS_validation_functions.checkTicks(self, 'yticlabels1', value)
self._yticlabels1 = value
yticlabels1 = property(_getyticlabels1, _setyticlabels1)
def _getyticlabels2(self):
return self._yticlabels2
def _setyticlabels2(self, value):
value = VCS_validation_functions.checkTicks(self, 'yticlabels2', value)
self._yticlabels2 = value
yticlabels2 = property(_getyticlabels2, _setyticlabels2)
def _getxmtics1(self):
return self._xmtics1
def _setxmtics1(self, value):
value = VCS_validation_functions.checkTicks(self, 'xmtics1', value)
self._xmtics1 = value
xmtics1 = property(_getxmtics1, _setxmtics1)
def _getxmtics2(self):
return self._xmtics2
def _setxmtics2(self, value):
value = VCS_validation_functions.checkTicks(self, 'xmtics2', value)
self._xmtics2 = value
xmtics2 = property(_getxmtics2, _setxmtics2)
def _getymtics1(self):
return self._ymtics1
def _setymtics1(self, value):
value = VCS_validation_functions.checkTicks(self, 'ymtics1', value)
self._ymtics1 = value
ymtics1 = property(_getymtics1, _setymtics1)
def _getymtics2(self):
return self._ymtics2
def _setymtics2(self, value):
value = VCS_validation_functions.checkTicks(self, 'ymtics2', value)
self._ymtics2 = value
ymtics2 = property(_getymtics2, _setymtics2)
def _getdatawc_x1(self):
return self._datawc_x1
def _setdatawc_x1(self, value):
VCS_validation_functions.checkDatawc(self, 'datawc_x1', value)
self._datawc_x1 = value
datawc_x1 = property(_getdatawc_x1, _setdatawc_x1)
def _getdatawc_x2(self):
return self._datawc_x2
def _setdatawc_x2(self, value):
VCS_validation_functions.checkDatawc(self, 'datawc_x2', value)
self._datawc_x2 = value
datawc_x2 = property(_getdatawc_x2, _setdatawc_x2)
def _getdatawc_y1(self):
return self._datawc_y1
def _setdatawc_y1(self, value):
VCS_validation_functions.checkDatawc(self, 'datawc_y1', value)
self._datawc_y1 = value
datawc_y1 = property(_getdatawc_y1, _setdatawc_y1)
def _getdatawc_y2(self):
return self._datawc_y2
def _setdatawc_y2(self, value):
VCS_validation_functions.checkDatawc(self, 'datawc_y2', value)
self._datawc_y2 = value
datawc_y2 = property(_getdatawc_y2, _setdatawc_y2)
def colors(self, color1=0, color2=255):
self.color_1 = color1
self.color_2 = color2
colors.__doc__ = xmldocs.colorsdoc
def exts(self, ext1='n', ext2='y'):
self.ext_1 = ext1
self.ext_2 = ext2
exts.__doc__ = xmldocs.extsdoc
#
# Doesn't make sense to inherit. This would mean more coding in C.
# I put this code back.
#
def xticlabels(self, xtl1='', xtl2=''):
self.xticlabels1 = xtl1
self.xticlabels2 = xtl2
xticlabels.__doc__ = xmldocs.xticlabelsdoc
def xmtics(self, xmt1='', xmt2=''):
self.xmtics1 = xmt1
self.xmtics2 = xmt2
xmtics.__doc__ = xmldocs.xmticsdoc
def yticlabels(self, ytl1='', ytl2=''):
self.yticlabels1 = ytl1
self.yticlabels2 = ytl2
yticlabels.__doc__ = xmldocs.yticlabelsdoc
def ymtics(self, ymt1='', ymt2=''):
self.ymtics1 = ymt1
self.ymtics2 = ymt2
ymtics.__doc__ = xmldocs.ymticsdoc
def datawc(self, dsp1=1e20, dsp2=1e20, dsp3=1e20, dsp4=1e20):
"""
"""
self.datawc_y1 = dsp1
self.datawc_y2 = dsp2
self.datawc_x1 = dsp3
self.datawc_x2 = dsp4
datawc.__doc__ = xmldocs.datawcdoc
def xyscale(self, xat='linear', yat='linear'):
self.xaxisconvert = xat
self.yaxisconvert = yat
xyscale.__doc__ = xmldocs.xyscaledoc % (('boxfill',) * 2)
def getlevels(self, varmin, varmax):
if self.boxfill_type == "custom":
return self.levels
nlev = float(self.color_2 - self.color_1 + 1)
autolevels = False
if numpy.allclose(self.level_1, 1.e20) or numpy.allclose(self.level_2, 1.e20):
autolevels = True
low_end = varmin
high_end = varmax
else:
low_end = self.level_1
high_end = self.level_2
if self.boxfill_type == "log10":
low_end = numpy.ma.log10(low_end)
high_end = numpy.ma.log10(high_end)
if autolevels:
# Use nice values for the scale
scale = vcs.mkscale(low_end, high_end)
low_end = scale[0]
high_end = scale[-1]
dx = (high_end - low_end) / nlev
if dx == 0:
high_end += .00001
return [low_end, high_end]
float_epsilon = numpy.finfo(numpy.float32).eps
contourLevels = numpy.arange(low_end, high_end + float_epsilon, dx)
return contourLevels
def getlegendlabels(self, levels):
if self.legend:
return self.legend
if numpy.allclose(self.level_1, 1.e20) or numpy.allclose(self.level_2, 1.e20):
autolevels = True
else:
autolevels = False
if len(levels) > 12:
scale = vcs.mkscale(levels[0], levels[-1])
if autolevels:
return vcs.mklabels(scale)
else:
# Create our own scale
dx = (self.level_2 - self.level_1) / float(len(scale) - 1)
real_values = [self.level_1, self.level_2]
float_epsilon = numpy.finfo(numpy.float32).eps
levels = numpy.arange(levels[0], levels[-1] + float_epsilon, dx)
else:
real_values = levels
# Need to line up the levels and the labels, so we'll massage the label positions
max_round = 0
for l in real_values:
round_pos = 0
while numpy.round(l, round_pos) != l:
round_pos += 1
max_round = max(max_round, round_pos)
round_values = [numpy.round(l, round_pos) for l in levels]
round_labels = vcs.mklabels(round_values, "list")
return {lev: label for lev, label in zip(levels, round_labels)}
###########################################################################
# #
# List out boxfill graphics method members (attributes). #
# #
###########################################################################
def list(self):
if (self.name == '__removed_from_VCS__'):
raise ValueError('This instance has been removed from VCS.')
print "", "----------Boxfill (Gfb) member (attribute) listings ----------"
print "graphics method =", self.g_name
print "name =", self.name
print "projection =", self.projection
print "xticlabels1 =", self.xticlabels1
print "xticlabels2 =", self.xticlabels2
print "xmtics1 =", self.xmtics1
print "xmtics2 =", self.xmtics2
print "yticlabels1 =", self.yticlabels1
print "yticlabels2 =", self.yticlabels2
print "ymtics1 = ", self.ymtics1
print "ymtics2 = ", self.ymtics2
print "datawc_x1 =", self.datawc_x1
print "datawc_y1 = ", self.datawc_y1
print "datawc_x2 = ", self.datawc_x2
print "datawc_y2 = ", self.datawc_y2
print "datawc_timeunits = ", self.datawc_timeunits
print "datawc_calendar = ", self.datawc_calendar
print "xaxisconvert = ", self.xaxisconvert
print "yaxisconvert = ", self.yaxisconvert
print "boxfill_type = ", self.boxfill_type
print "level_1 = ", self.level_1
print "level_2 = ", self.level_2
print "levels = ", self.levels
print "color_1 = ", self.color_1
print "color_2 = ", self.color_2
print "fillareacolors = ", self.fillareacolors
print "fillareastyle = ", self.fillareastyle
print "fillareaindices = ", self.fillareaindices
print "fillareaopacity = ", self.fillareaopacity
print "legend = ", self.legend
print "ext_1 = ", self.ext_1
print "ext_2 = ", self.ext_2
print "missing = ", self.missing
list.__doc__ = xmldocs.listdoc
###########################################################################
# #
# Script out primary boxfill graphics method in VCS to a file. #
# #
###########################################################################
def script(self, script_filename, mode='a'):
if (script_filename is None):
raise ValueError(
'Error - Must provide an output script file name.')
if (mode is None):
mode = 'a'
elif (mode not in ('w', 'a')):
raise ValueError(
'Error - Mode can only be "w" for replace or "a" for append.')
# By default, save file in json
scr_type = script_filename.split(".")
if len(scr_type) == 1 or len(scr_type[-1]) > 5:
scr_type = "json"
if script_filename != "initial.attributes":
script_filename += ".json"
else:
scr_type = scr_type[-1]
if scr_type == '.scr':
raise DeprecationWarning("scr script are no longer generated")
elif scr_type == "py":
mode = mode + '+'
py_type = script_filename[
len(script_filename) -