Leginon

h1. Using Redux to serve images on myamiweb

h2. Installation

# Follow [[Web_Server_Installation]] but ignore warning on not using php 5.3

# Install redux prerequisites as found in its README file

# Install myami-redux branch of myami on the webserver machine.  Redux needs write permission at its installation location to write fftw wisdom file.

<pre>

sudo easy_install fs

</pre>

h2. Configurations:

# Assign redux server in myamiweb

<pre>

define('SERVER_HOST',"your_hostname")

</pre>

# Using Redux cache

** At myamiweb/config.php

<pre>

define('USE_REDUX_CACHE',true)

</pre>

** Turn it on or off in redux/pipeline.py

** Input the desired disk_cache_path, disk_cache_size, and mem_cache_size in the next few lines

** Create the disk_cache_path before running redux if cache will be used

<pre>

mkdir /tmp/redux

chmod 777 /tmp/redux

</pre>

h2. Test Installation

# Using Redux to do simple input output:

<pre>

cd /your_myami_download/redux/bin

redux --filename=test.jpg --oformat=PNG > test.png

</pre>

h2. Using redux server with myamiweb

# start redux server. (reduxd is in executable path if installed)

<pre>

reduxd

</pre>

# test by accessing "test dataset" in myamiweb/viewerxml.php

# test by accessing an image in myamiweb/imageviewer.php

h2. run at boot

<pre>

sudo cp -v myami/redux/init.d/reduxd /etc/init.d/

sudo service reduxd start

</pre>

h2. Test server

<pre>

redux --server_host=localhost \

 --filename=myami/redux/gst/example.png \

 --oformat=JPEG --shape=32,32 > test.jpg

identify test.jpg

</pre>

result

<pre>

test.jpg JPEG 32x32 32x32+0+0 8-bit DirectClass 1.03kb 

</pre>