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Python bindings for ITT's IDL

Project Description
pyIDL
# Python bindings for IDL, based on Andrew McMurry's python-IDL
# Requires ITT's IDL and numarray
# Download pyIDL source tarfile
# Installation

unzup and unpack the gzipped tar archive
$ tar -xvzf pyIDL-0.6.tgz

set environment variables
(paths will depend on IDL installation and platform)
$ export IDL_VERSION = '6.4'
$ export IDL_INCDIR = '/itt/idl/external/include'
$ export IDL_BINDIR = '/itt/idl/bin/bin.linux.x86'
$ export X11_LIBDIR = '/usr/lib/' (linux only)

install the package
$ python setup.py build
$ python setup.py install

(alternatively, a Makefile is included)

# Documentation

import the idl class
>>> from pyIDL import idl

instantiate the idl class
>>> ri = idl()

get help
>>> print ri.doc()
Python-IDL bindings
eval(command):
execute an IDL command
get(name,[array,allowNone]):
fetch a variable from IDL
put(name,value,[array,type,allowNone]):
push a variable to IDL
who([name,local,stdout]):
print/return the IDL/local variables
help([name]):
print the IDL help message (for a variable)
delete(name):
destroy selected IDL variables
map([name]):
get the IDL data type mapping
prompt():
an interactive IDL session
_print(value):
print using the IDL print command

push python variables into IDL and interact with IDL scripting language
>>> from numarray import *
>>> x = []
>>> for i in range(21): x.append(i*pi/10)
...
>>> ri.put('x',x)
>>> ri.eval('y = sin(x)')
>>> ri.eval('plot, x,y')

use the interactive prompt
>>> ri.prompt()
IDL interface:
% At $MAIN$
X DOUBLE = Array[21]
Y DOUBLE = Array[21]
Compiled Procedures:
$MAIN$

Compiled Functions:

IDL> IF x[0] LT 1 $
IDL> THEN print, x
0.0000000 0.31415927 0.62831853 0.94247780 1.2566371
1.5707963 1.8849556 2.1991149 2.5132741 2.8274334
3.1415927 3.4557519 3.7699112 4.0840704 4.3982297
4.7123890 5.0265482 5.3407075 5.6548668 5.9690260
6.2831853
IDL> exit

check variables in IDL session
>>> ri.who().keys()
['Y', 'X']
>>> ri.who('y')
[0.0, 0.3090169943749474, 0.58778525229247314, 0.80901699437494745,
0.95105651629515353, 1.0, 0.95105651629515364, 0.80901699437494745,
0.58778525229247325, 0.30901699437494751, 1.2246063538223773e-16,
-0.3090169943749469, -0.58778525229247303, -0.80901699437494734,
-0.95105651629515353, -1.0, -0.95105651629515364, -0.80901699437494756,
-0.58778525229247336, -0.30901699437494762, -2.4492127076447545e-16]

get variables back into python from IDL
>>> sinx = ri.get('y')

use shortcuts for put, eval, and get
>>> ri.z = 0.5
>>> ri('print, z')
0.50000000
>>> ri.z + 1
1.5

delete variables from IDL
>>> ri.delete('x')
>>> ri.delete('y')

use IDL function/procedure directly from python
>>> ri.sin(x)
[0.0, 0.3090169943749474, 0.58778525229247314, 0.80901699437494745,
0.95105651629515353, 1.0, 0.95105651629515364, 0.80901699437494745,
0.58778525229247325, 0.30901699437494751, 1.2246063538223773e-16,
-0.3090169943749469, -0.58778525229247303, -0.80901699437494734,
-0.95105651629515353, -1.0, -0.95105651629515364, -0.80901699437494756,
-0.58778525229247336, -0.30901699437494762, -2.4492127076447545e-16]

# Versions

0.6: 07/18/07
added support for idl_6.4
fixed boolean support in direct IDL function/procedure calls
0.5: 04/18/07
fixed support for python2.5
0.4.1: 12/01/06
fixed support for mac os
0.4: 10/06/06
added support for idl_6.3
improved support for NumPy
removed dependency on Numeric
0.3: 06/09/06
improved support for Numeric
added _print
extended examples
0.2: 05/19/06
support for 64-bit platforms
shortcuts for put, get, eval
access IDL functions/procedures from python
added examples directory
0.1: 06/21/05
initial; python bindings for RSI's IDL
interactive IDL prompt
Release History

Release History

History Node

0.7c3

History Node

0.7c2

History Node

0.7c1

This version
History Node

0.6

History Node

0.5

History Node

0.4

Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
pyIDL-0.6.tgz (34.6 kB) Copy SHA256 Checksum SHA256 Source Dec 22, 2015

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