In research sometimes you want to make a movie from single images, like plots from experimental data or from calculation to visualize changes or so on. In order to achieve this you can use ffmpeg. First you have to create the images and save them, where the images need to have a continuous number in the filename, e.g. img0001.png, img0002.png, …, …img5467.png. Take care that there is no image missing and that you have enough zeroes in front of the image number, so that the files are in the correct order. Continue reading Create a movie file from single image files (png, jpegs)
Monthly Archives: April 2008
Changing the php file upload limit in Ubuntu Linux
If you have your own Ubuntu server running you may encounter the maximal file size upload limit in php scripts which is set to 2Mb as default. In order to change that we first have a look what the size actually is. In /var/www
(standard www directory) create a file called info.php
with the following content:
<?php // Show all information, defaults to INFO_ALL phpinfo(); ?>
Continue reading Changing the php file upload limit in Ubuntu Linux