142 lines
6.7 KiB
Python
Executable File
142 lines
6.7 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# -*- coding: UTF-8 no BOM -*-
|
|
|
|
import os,sys,string
|
|
import numpy as np
|
|
from optparse import OptionParser
|
|
from PIL import Image, ImageDraw
|
|
import damask
|
|
|
|
scriptID = string.replace('$Id$','\n','\\n')
|
|
scriptName = os.path.splitext(scriptID.split()[1])[0]
|
|
|
|
# --------------------------------------------------------------------
|
|
# MAIN
|
|
# --------------------------------------------------------------------
|
|
|
|
parser = OptionParser(option_class=damask.extendableOption, usage='%prog options [file[s]]', description = """
|
|
Generate PNG image from data in given column (or 2D data of overall table).
|
|
|
|
""", version = scriptID)
|
|
|
|
parser.add_option('-l','--label', dest='label', type='string',
|
|
help='column containing data [all])')
|
|
parser.add_option('-r','--range', dest='range', type='float', nargs=2,
|
|
help='data range (min max) [auto]')
|
|
parser.add_option('-d','--dimension', dest='dimension', type='int', nargs=2,
|
|
help='data dimension (width height) [native]')
|
|
parser.add_option('--abs', dest='abs', action='store_true',
|
|
help='magnitude of values')
|
|
parser.add_option('--log', dest='log', action='store_true',
|
|
help='log10 of values')
|
|
parser.add_option('--fliplr', dest='flipLR', action='store_true',
|
|
help='flip around vertical axis')
|
|
parser.add_option('--flipud', dest='flipUD', action='store_true',
|
|
help='flip around horizontal axis')
|
|
parser.add_option('--color', dest='color', type='string',
|
|
help='color scheme')
|
|
parser.add_option('--invert', dest='invert', action='store_true',
|
|
help='invert color scheme')
|
|
parser.add_option('--crop', dest='crop', type='int', nargs=4, metavar='LEFT RIGHT TOP BOTTOM',
|
|
help='pixels cropped on left, right, top, bottom')
|
|
parser.add_option('--show', dest='show', action='store_true',
|
|
help='show resulting image')
|
|
parser.add_option('-N','--pixelsize', dest='pixelsize', type='int',
|
|
help='pixel per data point')
|
|
parser.add_option('-x','--pixelsizex', dest='pixelsizex', type='int',
|
|
help='pixel per data point along x')
|
|
parser.add_option('-y','--pixelsizey', dest='pixelsizey', type='int',
|
|
help='pixel per data point along y')
|
|
|
|
parser.set_defaults(label = None,
|
|
range = [0.0,0.0],
|
|
dimension = [],
|
|
abs = False,
|
|
log = False,
|
|
flipLR = False,
|
|
flipUD = False,
|
|
color = "gray",
|
|
invert = False,
|
|
crop = [0,0,0,0],
|
|
pixelsize = 1,
|
|
pixelsizex = 1,
|
|
pixelsizey = 1,
|
|
show = False,
|
|
)
|
|
|
|
(options,filenames) = parser.parse_args()
|
|
|
|
if options.pixelsize > 1: (options.pixelsizex,options.pixelsizey) = [options.pixelsize]*2
|
|
|
|
# --- color palette ---------------------------------------------------------------------------------
|
|
|
|
theMap = damask.Colormap(predefined=options.color)
|
|
if options.invert: theMap = theMap.invert()
|
|
theColors = np.uint8(np.array(theMap.export(format='list',steps=256))*255)
|
|
|
|
# --- loop over input files -------------------------------------------------------------------------
|
|
if filenames == []:
|
|
filenames = ['STDIN']
|
|
|
|
for name in filenames:
|
|
if name == 'STDIN':
|
|
file = {'name':'STDIN', 'input':sys.stdin, 'output':sys.stdout, 'croak':sys.stderr}
|
|
file['croak'].write('\033[1m'+scriptName+'\033[0m\n')
|
|
else:
|
|
if not os.path.exists(name): continue
|
|
file = {'name':name,
|
|
'input':open(name),
|
|
'output':open(os.path.splitext(name)[0]+\
|
|
('_%s'%(options.label) if options.label != None else '')+\
|
|
'.png','w'),
|
|
'croak':sys.stderr}
|
|
file['croak'].write('\033[1m'+scriptName+'\033[0m: '+file['name']+'\n')
|
|
|
|
table = damask.ASCIItable(file['input'],file['output'],
|
|
buffered = False, # make unbuffered ASCII_table
|
|
labels = options.label != None) # no labels when taking 2D dataset
|
|
table.head_read() # read ASCII header info
|
|
|
|
# --------------- figure out column to process -----------------------------------------------------
|
|
|
|
column = table.labels_index([options.label])
|
|
|
|
if np.any(np.array(column) == -1):
|
|
file['croak'].write('column %s not found...\n'%options.label)
|
|
table.close(dismiss = True) # close ASCIItable and remove empty file
|
|
continue
|
|
|
|
# ------------------------------------------ process data ------------------------------------------
|
|
|
|
table.data_readArray(column)
|
|
|
|
# convert data to values between 0 and 1 and arrange according to given options
|
|
if options.dimension != []: table.data = table.data.reshape(options.dimension[1],options.dimension[0])
|
|
if options.abs: table.data = np.abs(table.data)
|
|
if options.log: table.data = np.log10(table.data);options.range = np.log10(options.range)
|
|
if options.flipLR: table.data = np.fliplr(table.data)
|
|
if options.flipUD: table.data = np.flipud(table.data)
|
|
if np.all(np.array(options.range) == 0.0): options.range = [table.data.min(),table.data.max()]
|
|
|
|
table.data = (table.data - min(options.range)) / \
|
|
(max(options.range) - min(options.range))
|
|
|
|
table.data = np.clip(table.data,0.0,1.0).\
|
|
repeat(options.pixelsizex,axis=1).\
|
|
repeat(options.pixelsizey,axis=0)
|
|
|
|
(height,width) = table.data.shape
|
|
|
|
im = Image.fromarray(theColors[np.array(255*table.data,dtype='i')], 'RGB').\
|
|
crop(( options.crop[0],
|
|
options.crop[2],
|
|
width -options.crop[1],
|
|
height-options.crop[3]))
|
|
|
|
# ------------------------------------------ output result -----------------------------------------
|
|
im.save(file['output'],format = "PNG")
|
|
if options.show: im.show()
|
|
|
|
table.input_close() # close input ASCII table
|
|
table.output_close() # close output
|