This GIMP (GNU) tutorial demonstrates how to apply GIMP’s Supernova Filter. 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.
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).
Launch GIMP & Organise Its Workspace & Palettes
Open your choice of Start Image onto GIMP’s workspace - File then Open - Ctrl then O.
Then from the top menu, choose Filters then choose Light and Shadow and then choose Supernova. And from the subsequent dialogue box, enter the following settings, and then click OK.
Supernova Colour Note
To select your choice of colour, click open the Colour swatch (red arrow above), and select your choice from the subsequent Supernova Colour Picker dialogue box and then click OK.
For personal results, it’s important to experiment with different settings and discover a look that suits your needs.
Multiple Supernova Applications
If you like, you can open the Supernova dialogue box again and apply a second Supernova to your image. To move the Supernova to a different place, left-click over the Supernova - as demonstrated below, and drag it to a different area.
To create extra impact, apply a Sharpening Filter of your choice - Filters then Enhance.
Congratulations, your Supernova Conversion is complete, and is ready to save.
Wendi E. M. Scarth. Top of Page.