Difference between revisions of "Statistical Algorithms Importer: Pre-Installed Project FAQ"

Revision as of 18:19, 12 February 2018

F.A.Q. of Statistical Algorithms Importer (SAI), here are common mistakes we have found in Pre-Installed Project.

Windows User

Warning, this type of project will be launched in Linux environment. So be careful, all script files need to have a compatible Linux encoding. For example one difference is that Windows uses \r\n, whereas Linux uses \n for line termination. Another example is that Windows support "Unicode" UTF-16LE, and each character is 2 or 4 bytes, whereas Linux uses UTF-8, and each character is between 1 and 4 bytes. Also be aware of the Cut and Paste operation done from Windows machines that can enter unwanted \r\n characters. To solve this problem you can use the "convert to unix" functionality provided by notepad++ for example, or look for this feature in your editor.

How to use the input and output parameters

For example we consider DiffBasic algorithm:

DiffBasic, SAI

DataMiner show the DiffBasic algorithm in this way:

DiffBasic in DataMiner interface, SAI

Bash script code in sample:

#!/bin/bash
#
# author: Giancarlo Panichi
#
echo "DiffBasic Project";
echo "Author: Giancarlo Panchi";
echo "Parameter operator: " $1;
echo "Parameter options: " $2;
echo "Parameter file1: " $3;
echo "Parameter file2: " $4;
echo "Output file: output.txt";
 
OUT="output.txt";
 
case "$1" in
        diff)
            diff $2 $3 $4 > $OUT;
            ;;
 
        sdiff)
            sdiff $2 $3 $4 > $OUT;
            ;;
        *)
            echo $"Usage: $1 {diff|sdiff}";
            exit 1;
esac

file1.txt:

apples
oranges
kiwis
carrots

file2.txt:

apples
kiwis
carrots
grapefruits

diff -u result:

--- file1.txt   2017-10-20 11:28:37.750414863 +0200
+++ file2.txt   2017-10-20 11:28:54.638372491 +0200
@@ -1,4 +1,4 @@
 apples
-oranges
 kiwis
 carrots
+grapefruits

sdiff -a result:

apples                                                          apples
oranges                                                       <
kiwis                                                           kiwis
carrots                                                         carrots
                                                              > grapefruits

DiffBasic code:

File:DiffBasic.zip

How to use specific Environment

To activate and use a specific environment is necessary to declare it in the code:

#!/bin/bash
echo "Ear_Detection";
echo "Parameter: " $1;
echo "Output: results.png";
 
source /home/gcube/conda2/bin/activate eartrack;
python -m ear_detection.py $1; 
source /home/gcube/conda2/bin/deactivate eartrack;