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Beginner: Install and run BRL-CAD! #4BRL-CAD
Status: ClosedTime to complete:
100 hrs
Mentors: Jacob B, Daniel_RBeginner
This task merely involves downloading, installing, and running BRL-CAD and then proving you got it working.
You'll prove it by creating some really simple geometry, rendering it, and submitting a screenshot.
You have a choice of how to obtain BRL-CAD, each with different learning challenges:
- BEST: You can download and compile directly from our repository: http://brlcad.org/wiki/Building_from_SVN
- EASY: You can download our Virtual Machine image: http://brlcad.org/wiki/Deuces#Getting_Started
- MEH: You can use a binary tarball: http://brlcad.org/d/download
Once you have BRL-CAD installed, you'll want to run either mged or archer. You can see our Intro to MGED on http://brlcad.org/wiki/Documentation for extensive tutorials on how to model, but here are some quick steps to get you going:
- First, create a simple 512x512 black and white image that has your name in it somewhere. Any paint program will do here.
- Save that as a png image named hello.png and
- Convert your png image to a bw image by running our png-bw command (png-bw hello.png hello.bw). If you can't figure out how to do that on your system command line, this command on the mged prompt should work if you copy-paste it exactly as written into mged: exec \[ file join \[ bu_brlcad_root bin \] pix-bw \] hello.png \ hello.bw
- Create your extruded bitmap geometry: in gcirocks.ebm ebm hello.bw 512 512 64
- Render a pretty picture: B gcirocks.ebm ae 35 25 zoom 1.5 l gcirocks.ebm rt
- You should see a rendering window pop up if everything else was okay. Take a full screenshot and submit it here.
- http://brlcad.org/wiki/Compiling -- if you're trying to compile from source
- http://brlcad.org/wiki/Documentation -- intro to mged and quick ref command card
- http://brlcad.org/wiki/EBM -- more details on the ebm you are creating
Uploaded Work
File name/URL | File size | Date submitted | |
---|---|---|---|
Screen Shot 2014-12-26 at 12.42.14 AM.png | 2.3 MB | December 26 2014 08:43 UTC | |
Screen Shot 2014-12-27 at 8.52.34 PM.png | 1.1 MB | December 28 2014 04:57 UTC |
I would like to work on this task.
This task has been assigned to Sanjana. You have 100 hours to complete this task, good luck!
The work on this task is ready to be reviewed.
Sanjana, this looks good! Invert your image colors so you don't get one big block but instead get just the letters to your name. That is, instead of black text on a white background, make it white text on a black background. Everything else looks great.
One of the mentors has sent this task back for more work. Talk to the mentor(s) assigned to this task to satisfy the requirements needed to complete this task, submit your work again and mark the task as complete once you re-submit your work.
The work on this task is ready to be reviewed.
I changed the background from white to black and now it comes out with my name clearly in 3D. I liked rotating it in various directions.
Thanks,
Sanjana
Congratulations, this task has been completed successfully.
Nicely done Sanjana! That looks much more interesting, something you could even 3D-print. Hope you'll try some of the other modeling tasks!
Cheers!