I used this addon with blender 2.64 and working well. I don’t think will be problems with the last version of blender: 2.66. To using the Ivy addon, you need to activate this from user preference. Search the addon “ivy” and check to activate this plugin. See image: The next… Continue Reading Using Ivy Generator with Blender 3D version 2.64
We can use the Linux command tool pdfimages to extract the images from the pdf file pages. To extract all image we can use this:
$ pdfimages your_input.pdf.pdf images-out
The your_input.pdf is your pdf file. The images-out it’s the output name of the images. The images will be saved with the name image-out… Continue Reading Using pdfimages – extracting images from pdf file
This can be done with the next command:
$ ffmpeg -r 50 -s 1280x720 -f x11grab -i :0.0 -vcodec msmpeg4v2 -qscale 1 output_filename.avi
Explanation of this command is shown below.
$ ffmpeg -r 50
The frame rate in which you want to record, in this example 50 frames per seconds is used.
The screen resolution that you want to record. Do not try to use a… Continue Reading Record your desktop screen with ffmpeg.
You can execute copies a large block of data to and from disk. This will minimize disk caching. Next is one example if our test system has 1GB of RAM. It is easy ( 1GB = 250,000 blocks ).
$ time sh -c "dd if=/dev/zero of=bigfile bs=8k count=250000 && sync"
250000+0 records in
250000+0 records out
2048000000 bytes (2.0 GB) copied, 37.0113 s, 55.3 MB/s
It’s very hard to argue with this dd test.