Change "Comet Color" layer mode to "Color Only"ĥ. Duplicate This layer, Calling the new one "Comet Color". STEP 3: MERGE THE COMET WITH THE STARFIELDģ. 5 guassian blur to make the stars more rounded than squarish and it softens them a bit. Use the LEVEL's MIDDLE slider towards the right to bring down mid-ground noise and other artifacts, leaving just the star points.ĩ. I do this using the LEVEL's RIGHT slider by dragging it to the left. OK, now that all the startrails are points, use "Levels" to bring their intensity up a little. Merge the "Black" and "Starfield" Layers, leaving just "Starfield" and "Comet Only"Ĩ. Yeah, it's a guess at best, but it doesn't happen often.ħ. I just start on the left of the trail and select the common width and apply the action, then move to the next bit until the whole thing is gone. If you encounter a star trail which is longer than the average, it means that more than one star is in the trail. As each startrail will have EXACTLY the same scale percentage as the first star you did, so you can hardwire the scale percentage into the action and apply it to each star. This way you don't need to keep going to the attribute box, or drag by hand. I am still looking for ways to automate this, but it involves resizing just negative space, leaving the stars alone, which I haven't found a way to do yet.īecause you need to repeat this with some forty-odd stars, it GREATLY speeds things up if you record the transform procedure into an ACTION, then just apply the action to each selection. This would indeed reduce them to dots, but their positions in relation to one another WOULD NOT be maintained. Do not attempt to select a bunch of startrails at once. You need to go to each an every startrail INDIVIDUALLY and apply the same procedure as outlined in steps 3-5. Adjust just the Width Percentage until the startrail returns to a nice point. Make sure the LOCK is not checked between Width & Height in the Transform attribute window. Do not add space to either side unless it is an equal amount on both sides. Only go end-to-end when selecting the startrail. In the "Starfield" layer, select the most typical length star trail with the rectangular marquee tool. Add a layer called "Black" at the bottom of your layer stack, and fill it with a black color sampled from the "Starfield" layer.ģ. Rotate the entire canvas of layers so that the trails are completely horizontal (This means that only straight-line startrails will work with the following procedure. STEP 2: RETURN STAR TRAILS TO STAR POINTSġ. Now you should just have "Comet Only" and "Starfield" Select the "Starfield" and "Comet Mask" Layers and merge them. Like magic, the comet will disappear, leaving behind only the startrails!!ĩ. Change the "Comet Mask" layer mode to "Difference". Turn off the top-most "Comet Only" Layer, but do not delete it (You'll need it later)Ĩ. Duplicate the "Comet Only" layer and name it "Comet Mask", put it between the "Comet Only" and "Starfield" Layers.ħ. This part requires a bit of artistic skill.Ħ. Be very care not to disturb parts of the image that are NOT the startrails you are removing.
Carefully CLONE out the remaining star trails superimposed in front of the comet using the CLONING tool. In the "Comet Only" Layer, make a rough selection around the comet and delete out the area outside of the selectionĥ. Duplicate the "Starfield" Layer and call it "Comet Only".
Double-click the default Background layer and name it "Starfield"ģ. STEP 1: BREAK IMAGE INTO A STARFIELD LAYER AND A COMET LAYERĢ. Hartley2enhanced.jpg (63.09 KiB) Viewed 14578 times
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