![]() ![]() I've had to work very hard (for me!) to get some of the basics steps. What I've found is that its the basics that are the key. My point is that even though there is other stuff out there, even the most helpful forget to cover some of the basics. The friendly and constructive help, advice and knowledge shared by people on this site is such that it is one place where you don't feel ashamed to ask the 'daft laddie' (as we hereabouts in Scotland are known to say), or 'daft person' question. I think something is needed to get people over the initial hump of understanding the basics of the GIMP. Maybe we could have a wee side alley into which we disappear to talk GIMP. But it seems as if the frequent and regular posters are PS people. I'm not sure how many GIMP users lurk around in these pages. I notice nobody's biting so far on your suggestion about some GIMP tutorials. PS I never liked Adjustment Layers anyway when I used them on Paint Shop Pro 9. Maybe in GIMP world you just know these things. As I say I'm pretty sure that Photoshop does not have that facility. You can also drag the manipulated new channel back to the layers palette and it becomes a new layer. You can manipulate that B/w channel in any allowable way, then go back to your layers palette, choose a layer, open the options dialog with a right click, then add layer mask from the new channel. Hey presto, you have just created a new channel based on your image. However, if you've not yet fathomed layer masks in general the following comments may not make much sense (Even if you have the following may not make sense.) Look to your Layers palette, duplicate your base layer, open the Channels palette now drag the copy layer from the Layers palette into the lower box in the Channels palette. ![]() Ron Bigelow's tutorials on sharpening exploit layer masks and this turns out to be a dawdle on the GIMP once you've twigged what to do. The GIMP has features associated with layer masks not available in other software, including as far as I know Photoshop. Download and try the latest range of "wavelet" tools from the Plug-In Registry - these are very useful and smart, especially the wavelet sharpen. The Levels dialog and the perspective correction tool are very useful on the the GIMP. ![]() I suggest you adjust for exposure first (Levels and/or Curves), saturation tweaks next, followed by perspective corrections and cropping, and finally sharpening. You can try creating more and more levels, but it's a waste of time. Thus, instead, you have to carry out adjustments in a useful order. (You should of course have a backup of your file anyway.) With adjustment layers you have the advantage of setting up several and adjusting each to see what happens to the image without committing to that change. Thus, you still have what you started with for comparison. Switch to that duplicated layer and do not touch the original. Load your image and immediately duplicate the layer. Regarding adjustments, the procedure that I normally adopt is to work from a TIFF file (but it will only be 8-bit). They are just not explained very well or at all - typical of non-commercial software. ![]() If you are new to the GIMP then the learning curve may get yet steeper, but the compensation is that there are some smart filters and controls hidden away. There are plans, I hear, to introduce such things in a future version, as there are plans for 16-bit handling. Hi Donald - You are correct that there are no adjustment layers per se in the current versions of the GIMP. ![]()
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