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| Adding stars to the night sky http://gimpchat.com/viewtopic.php?f=8&t=17946 |
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| Author: | meetdilip [ Mon Jan 20, 2020 1:32 am ] | ||
| Post subject: | Adding stars to the night sky | ||
GIMP Version: 2.10.14 Operating System: Linux OS Version: Ubuntu 18.04 GIMP Experience: Basic Level I tried to add realistic stars to the night sky for the attached image. Tried adding noise, using night sky image, tried png of stars. Nothing had the realistic look I was hoping for. Any help will be great.
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| Author: | Wallace [ Mon Jan 20, 2020 2:30 am ] |
| Post subject: | Re: Adding stars to the night sky |
Try HSV Noise on a black layer and use Color Curves.
To get a something that looks star like. Duplicate this layer twice. Set top layer to Dodge layer mode and the other to Overlay. Mask out what's not needed. Adjust Opacity.  .png) .png) .png) |
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| Author: | meetdilip [ Mon Jan 20, 2020 2:53 am ] |
| Post subject: | Re: Adding stars to the night sky |
Thanks. I tried filter > Noise . It didn't go well. Is HSV noise different ? Nice to know that we can reduce the no. of dots ( stars ). For me, they were very saturated by volume. I finally used a night sky image and tried with some amount of Opacity. Looks fine now. |
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| Author: | Wallace [ Mon Jan 20, 2020 2:56 am ] |
| Post subject: | Re: Adding stars to the night sky |
meetdilip wrote: Thanks. I tried filter > Noise . It didn't go well. Is HSV noise different ? Nice to know that we can reduce the no. of dots ( stars ). For me, they were very saturated by volume. I finally used a night sky image and tried with some amount of Opacity. Looks fine now. Nice.  |
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| Author: | meetdilip [ Mon Jan 20, 2020 3:13 am ] |
| Post subject: | Re: Adding stars to the night sky |
@Wallace, I want to ask something. How come the no. of stars in the sky so less when the HSV Noise creates a lot of dots ? |
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| Author: | Wallace [ Mon Jan 20, 2020 3:31 am ] |
| Post subject: | Re: Adding stars to the night sky |
meetdilip wrote: @Wallace, I want to ask something. How come the no. of stars in the sky so less when the HSV Noise creates a lot of dots ? Use Color > Curves. Use the Layer Modes I suggested.   |
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| Author: | meetdilip [ Mon Jan 20, 2020 3:36 am ] |
| Post subject: | Re: Adding stars to the night sky |
+1 You mean, darken the image so that there will be fewer stars ? What is " Layer modes " ? |
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| Author: | Wallace [ Mon Jan 20, 2020 3:53 am ] |
| Post subject: | Re: Adding stars to the night sky |
meetdilip wrote: +1 You mean, darken the image so that there will be fewer stars ? What is " Layer modes " ? Yes. Layer Modes. gimp-concepts-layer-modes @ docs.gimp.org Yes use Color Curves. To adjust the colors/stars to your desire. The “Colors” Menu, “Curves” @ docs.gimp.org |
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| Author: | meetdilip [ Mon Jan 20, 2020 4:50 am ] |
| Post subject: | Re: Adding stars to the night sky |
Thanks. Not used to with the nomenclature. I think I did those 
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| Author: | Wallace [ Mon Jan 20, 2020 4:52 am ] |
| Post subject: | Re: Adding stars to the night sky |
meetdilip wrote: Thanks. Not used to with the nomenclature. I think I did those Ok cool.  |
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| Author: | meetdilip [ Mon Jan 20, 2020 5:22 am ] |
| Post subject: | Re: Adding stars to the night sky |
I used opacity + Layer mode - lighten only. It looks fine now You guys are awesome. |
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| Author: | racer-x [ Mon Jan 20, 2020 6:24 am ] |
| Post subject: | Re: Adding stars to the night sky |
There is also the Stary Sky script. Attachment: stars.jpg [ 241.67 KiB | Viewed 2477 times ] Attachment:
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| Author: | RJKD [ Mon Jan 20, 2020 6:58 am ] |
| Post subject: | Re: Adding stars to the night sky |
I like the outcome produced by using the method in the video...  Video from : www.youtube.com |
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| Author: | meetdilip [ Mon Jan 20, 2020 7:51 am ] |
| Post subject: | Re: Adding stars to the night sky |
racer-x wrote: There is also the Stary Sky script. Attachment: stars.jpg Attachment: starry-sky.scm.zip Thanks. |
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