This GIMP (GNU) tutorial demonstrates how to convert a photograph into an etching. To work along, you are welcome to download the Start Image I am working with Here. Unzip the file and open the image onto GIMP’s workspace.
You can quickly Undo a step at any time by pressing Ctrl then Z. Alternatively, click a previous Undo History snapshot - Windows then Dockable Dialogues then click Undo History. In addition, to Zoom in (or Zoom out) of your image; from the top menu choose View then select a Zoom Tool from the subsequent drop-down list.
Launch GIMP & Organise Its Workspace & Palettes
Open your choice of Start Image onto GIMP’s workspace - File then Open - Ctrl then O.
Ensure the Layers and the Undo History Palettes are visible, and then drag them into position over your workspace - (Windows then Dockable Dialogues - then click Layers and Undo History).
Now, from the top menu, choose Filters then choose Edge-Detect and then choose Edge. And from the subsequent Edge Detection dialogue box, enter the following settings, and then click OK.
For personal results, experiment with the Edge Detection settings.
Then from the top menu, choose Colours and then choose Desaturate. And from the subsequent Desaturate dialogue box, enter the following settings, and then click OK.
Now, from the top menu, choose Colours and then choose Levels. And from the subsequent Levels dialogue box, grab the Grey Point Slider (Gamma), and drag it a little to the right, and then click OK - as illustrated below.
To finish, from the top menu, choose Filters then choose Enhance and then choose Unsharp Mask. And from the subsequent Unsharp Mask dialogue box, enter the following settings, and then click OK.
Congratulations, your Etching Photographic Conversion is complete, and it is ready to save - top menu, then File then Save As. GIMP 2.8 - File then Export.
Wendi E. M. Scarth. Top of Page.