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TheJoe.it Into the (open) source

2Jul/120

Photography: remote shutter release with gPhoto2

gphoto2

In today's tutorial we see some small function gPhoto2, a program command-line oriented * NIX systems which in addition to other functions, allows us to access some of the functionality "hidden" (or non-advertised) of our cameras.

It should be stated at the outset that not all cameras are supported. The complete list is available on the manuale online application.

The operation is very simple. Configure the camera (io face you Canon EOS 20d) so that the USB connection is of type PTP (under the menu "Communication" - "PTP").

27May/105

Tutorial: da bitmap a SVG con Inkscape

paesaggio_vale

Together with Gimp by image manipulation, e a Scribus for desktop publishing I happen sometimes to adopt the use of Inkscape. Inkscape is a vector graphics editor, a program for the picture "screen". It can be used in various fields, there are those who used to draw company logos, or even for the illustrations of some books. Personally, I have many skills in this area, and I find that even a pencil and paper in many cases are the most expeditious (of course, from my point of view). More than anything else I Inkscape is useful for vectorization of raster images, I know that Inkscape provides several other functions and is a little 'reductive use it exclusively for this, but for now I have no other duties for him to perform.

Open Inkscape and import an image jpg: