ARRWRIT

Description

ARRWRIT writes data from an array segment to a text file.

Parameters

arrwrit(file, arrseg, format, tfile)

Name	Type	Caption	Length
FILE *	str	File name	1 -
ARRSEG *	List[int]	Array segment	1 - 1
FORMAT	str	Data format	0 - 64
TFILE *	str	Text file name	1 - 192

* Required parameter

Parameter descriptions

FILE

Specifies the name of the PCIDSK image file that contains the array segment.

ARRSEG

Specifies the input array segment that will be written to the text file.

FORMAT

Optionally specifies the data format that will be used to write the array segment to the text file. For example:

 "k * Fw.d ?"

Where:

k * is the optional number of values per line (the default is 1).
Fw.d is the fixed point representation, where w is the total width for each number in characters (including the decimal point and possible sign) and d is the number of digits following the decimal point. Alternatively, this field can be an exponent representation (that is, Ew.d).
? is an optional field delimiter (for example, or | or $). The default is a single blank.

TFILE

Specifies the name of the text file to which the array segment data is written.

You must run ARRWRIT before creating the text file. If a text file exists before ARRWRIT is run, it will be overwritten.

Details

ARRWRIT writes an array segment of data in a PCIDSK file to a text file. The format to use in writing the data can be specified with the FORMAT (Data Format) parameter.

Example

Write out the contents of the array segment created in the 'Example' section of the ARRREAD documentation.

from pci.arrwrit import arrwrit

file    =  "TEST.PIX"
arrseg  =  [2]
format  = '' 	# by default, one decimal number per line
tfile   =  "TEST_OUT.txt"

arrwrit( file, arrseg, format, tfile )

The output file TEST_OUT.txt has the following data values:

 1.000000 
 2.000000 
 3.000000

Environments	PYTHON :: EASI :: MODELER
Quick links	Description :: Parameters :: Parameter descriptions :: Details :: Example :: Related