Grey/Tint Transform

Perhaps a good starting point is to add colour to a mono image which you have already transformed. Take a look at the PWP white paper ‘Colorize.pdf.’. This covers many ways to add colour to a mono image. Perhaps the most powerful is the tint transform.

This transform can produce delicate or gaudy effects, and I leave it up to your imagination. Many of the effects described later under the colour curves transform can be achieved by using this transform on the transformed mono image. A couple of points to note

• The cursor doesn’t change shape when you go over a clickable area. The clickable areas are the colour bar, the number showing the control point and the blocks below the colour bar.
• Double clicking (not single clicking) on the control point number brings up a colour wheel window. Double clicking on another control point number opens a colour wheel for that control point. Sometimes these windows open exactly over the previous one, at other times they’re nicely cascaded.
• The transform window can be made wider, but not taller.
• Move the control points by clicking on the number, not on the dividers between the blocks under the colour bar

This image shows the effect of the transform on the final mono image above. Note that the colours were chosen to show the effect, not because I believe they work well. I’ve added a control point, changed the bars to step centre and have all 3 colour wheel windows open. The transform has been widened. It’s often interesting to pick white as one of your colours.

This has produced a bright, garish image that could be a final point – or be used as input into the color curves transform.