. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 763 17.9.4 GEGL graph . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 765 17.9.5 Normal different from the rest of the image, you won’t have much luck. For example, if you have a lovely beach scene, with a nasty human walking across the beach who you would like to teleport away, you will probably Exposure Exposure defines how much the tool effect will be strong, as a more or less exposed photo- graph. Default slider is 50 but can vary from 0 to 100. 14.4 Transform Tools Figure 14.111 An overview

can look at 0.60 as the alpha version of 0.99. VERSION 0.99 In February 1997, 0.99 came on the scene. Together with other developers, S&P had made several changes to Gimp and added even more features TONAL CORRECTION We have already discussed tonal correction to some extent in the previous para- graph. We mentioned that setting the gamma value to the correct value according to your monitor isn’t always Unsharp Mask is based on a darkroom technique that was used before com- puter graphics arrived on the scene. Anyway, it’s a very efficient filter for sharp- ening enhancements. Figure 32.6 The right part of

different from the rest of the image, you won’t have much luck. For example, if you have a lovely beach scene, with a nasty human walking across the beach who you would like to teleport away, you will probably a visual graph, a histogram, of the intensity value of the active layer or selection. You can set the threshold range either using the input boxes or clicking button 1 and dragging on the graph. It allows from 0.0 to 1.0. Plot a graph of the settings By clicking on this large button, you can open a window that displays the graph of hue present settings. Figure 15.255: Function graph of present settings Saturation

different from the rest of the image, you won't have much luck. For example, if you have a lovely beach scene, with a nasty human walking across the beach who you would like to teleport away, you will probably

– Useful to display a Logarithmic histogram so that values aren’t hidden at the bottom of the graph Colour Levels Display Logarithmic Histogram The middle handle will adjust the midpoint of the