Viewport Gamma

Discuss all Clouds2Max related issues here.
Post Reply
User avatar
mikemccr
I have made 20-30 posts
I have made 20-30 posts
Posts: 21
Joined: Wed Sep 30, 2009 4:07 pm
Full Name: Michael McCormick
Company Details: Scientific Analysis Inc
Company Position Title: Senior Technician
Country: USA
Linkedin Profile: Yes
Location: Dallas, Texas
Contact:

Viewport Gamma

Post by mikemccr » Tue Apr 18, 2017 6:01 pm

Hello All,

I'm wondering if there is a trick to adjusting the brightness of my point clouds in Max's viewports without also effecting any model model geometry in my scene?

The RGB color in our point clouds often comes into Max very dark. This can be corrected by adjusting the gamma setting found in the Preferences/Gamma and LUT tab. This works great if the scene consists only of point cloud data, but when you hybridize your project with other traditional models, those models have a very light and "washed out" appearance. This effects both the viewports and rendered images if the gamma value approaches, or goes above, about 2.

Is there a way to have my cake and eat it too?

If the solution doesn't exist in Max or C2M, perhaps there's a workaround?
Typically, our cloud data is exported as a .pts file from Cyclone or Faro Scene before importing with C2M. Might there be a tool out there that will reprocess the .pts file and adjust the RGB values to bump up the brightness before its imported into C2M?

Much thanks!
Mike

User avatar
Vincent DENIS
V.I.P Member
V.I.P Member
Posts: 128
Joined: Fri Nov 16, 2012 10:25 am
Full Name: Vincent Denis
Company Details: Geopole
Company Position Title: Surveyor Scan - graphic designer 3D
Country: France
Linkedin Profile: Yes
Contact:

Re: Viewport Gamma

Post by Vincent DENIS » Wed Apr 19, 2017 7:15 am

Hi Mike

The best way for me in this case is to use CloudCompare. With it you can modify the RGB value : http://www.danielgm.net/cc/

If it's to modelise with 3dsMax, i use the Normal view of Recap. It's very powerfull, and makes it possible to highlight the details.

Let me know if this solution succed.

Vincent

User avatar
mikemccr
I have made 20-30 posts
I have made 20-30 posts
Posts: 21
Joined: Wed Sep 30, 2009 4:07 pm
Full Name: Michael McCormick
Company Details: Scientific Analysis Inc
Company Position Title: Senior Technician
Country: USA
Linkedin Profile: Yes
Location: Dallas, Texas
Contact:

Re: Viewport Gamma

Post by mikemccr » Wed Apr 19, 2017 2:33 pm

Thank you Vincent. I have both of those programs already, so I'll give Cloud Compare a try first. Hopefully I'll get a chance to check it out later this afternoon and will be sure to let you know how it goes.

Post Reply

Return to “Clouds2Max”