Examples of how to add text before file names, add text after file names, rename part of file names and rename to incrementing numbers by batch processing on the command line in bash shell.
Continue reading “How to rename batch of images or files in sh or bash shell.”Category: Photography
These are my notes, tips and howtos about photography and processing of pictures and video clips on open source systems. If you have any feedback, feel free to contact me.
This is the procedure for applying a great-looking, readable and legally correct copyright notice on a batch of pictures with ImageMagick and its composite operator of convert.
Continue reading “How to add a transparent copyright notice to a batch of pictures with ImageMagick.”If you are planning the optimal lighting and position of the sun for your next outdoor photography shoot, then you can use a web based tool like SunCalc to calculate and show the sunrise, sun path and sunset on a map as a function of location, date and time.
Continue reading “Sunrise, sun path and sunset as a function of location, date and time.”I brought the good old Canon EOS 450D and the legendary “nifty-fifty” Canon EF 50mm f1.8 STM lens to the park and had a few shots taken in front of the old graffiti wall in the ball court.
Continue reading “A revisit to the old graffiti wall.”I had a feeling, that the colors of this old graffiti wall, that is located at a ball court in the local park, would match my clothes in this late evening sunny lighting.
Continue reading “The matching graffiti.”