photoshop and starfields
Solar Voyager : Digital Creations

Posted in Digital Creations
Members Viewing Topic: None

Post New TopicPost Reply
Prev Topic :: Next Topic
Author Message
  thscgteacher

Avatar
Primordial Blob
Primordial Blob

Joined: 2009-May-04
Location: United States
Posts: 2
Posted: 2009-May-08 at 1:43pm | IP Logged Quote thscgteacher

My students and I make starfields, we use the method provided by Greg
Martin on the web:

http://gallery.artofgregmartin.com/tuts_arts/making_a_star_f ield.html

We're having a little trouble with CS3. When applying "Brightness and
Contrast" to the results of "Add Noise" we check the "Use Legacy" option to
get results similar to the tutorial. That's when the trouble starts. In the
next step the "star" layer is duplicated and enlarged, "Brightness and
Contrast" having been applied again before hand, then "Levels" is used to
help "flare" the stars and make them bigger. In CS3 this just does not seem
to work. The resulting stars are no bigger than the were before the
enlargement process.

Perhaps we should go to a custom brush or something for the larger stars.
I'll appreciate any suggestions.

-Chuck
  Status: Offline
View thscgteacher's Profile Search for other posts by thscgteacher
 
  regulus

Avatar
Celestial Watchman
Celestial Watchman

Joined: 2005-August-25
Location: United States
Posts: 2325
Posted: 2009-May-08 at 2:25pm | IP Logged Quote regulus

Hmmm i use CS, so i don't know about the "use legacy" option. Now, in my case, most of the major stars are placed by hand and the small background stars are done with a custom brush. I might recommend having each student make an individual star (so everyone's is a little different; some can have diffraction bars, some not, different colors, etc) and having everyone place them by hand (er mouse) That should take care of the big stars - but it might be a lot of work if you want a lot of big stars. In that case it might be a good idea to create a custom brush

BTW what class is this for? i would have loved to take classes like this when i was in school
  Status: Offline
View regulus's Profile Search for other posts by regulus Visit regulus's Homepage
 
  thscgteacher

Avatar
Primordial Blob
Primordial Blob

Joined: 2009-May-04
Location: United States
Posts: 2
Posted: 2009-May-08 at 4:06pm | IP Logged Quote thscgteacher

Our classes are titled "Computer Graphics" there is a sequence for 3 such
classes here at Tigard High School. I teach them all. Yes, it's a far cry from
anything we had available when I was in high school. We were lucky to have
started the program some years ago, before funding for schools became even
worse here.

I am trying the brushes. I addition I have been blurring the "enlarged noise"
and enlarging again by "flaring" with levels.

Thanks for the help!

-Chuck
  Status: Offline
View thscgteacher's Profile Search for other posts by thscgteacher
 
  Hoevelkamp

Avatar
Galactic Wayfarer
Galactic Wayfarer

Joined: 2005-April-18
Location: Germany
Posts: 951
Posted: 2009-May-09 at 12:22pm | IP Logged Quote Hoevelkamp

Hi Chuck,

I just tried the technique in CS4. It's still working. But you have to enlarge the duplicated layer significantly to achieve the desired effect. Plus, if you enlarge it and then dial down the brightness the outer, fuzzy edge of each point (star) vanishes, so it seems like it has not grown. It's a thing of balance I'd say.

The first enlarged Layer seems to have not grown.

The effect is more visible in the next enlarged layer and even more in the following enlarged layer.

So, it should work in CS3 because it works still in CS4 (I don't think they changed this particular function).


Full Wallpaper View: 2000x1000

That's what I get fast and dirty. With nothing postworked.

The real big stars are in the fourth layer of enlarged stars.

Greets

Frieso


__________________
"Im just having fun ... doing spaceart!"
  Status: Offline
View Hoevelkamp's Profile Search for other posts by Hoevelkamp Visit Hoevelkamp's Homepage
 
<< Prev Topic Digital Creations Next Topic >>

If you wish to post a reply to this topic you must first login
If you are not already registered you must first register

  Post ReplyPost New Topic
Printable version Printable version

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot delete your posts in this forum
You cannot edit your posts in this forum
You cannot create polls in this forum
You cannot vote in polls in this forum
Forum Jump


This page was generated in 0.7769 seconds.