• • see my test • •
Trochoid app for a browser? I've tried java and flash which worked well but didn't excite. Now I discover this newish html thing called a Canvas that javascript can draw into. I like it. This is my first test of the Canvas to see how fast it can draw.
August 22, 2008
May 9, 2008
laser spins
the setup...
...swing it about and record a time lapse photo of the light trace. Experimented with weights in various positions along the string, swing style and exposure lengths from 8 to 64 seconds. Conclusion: traces seem pretty random, I was hoping for more of a basin of attraction. Will continue search.
traced over styrofoam shape...
...swing it about and record a time lapse photo of the light trace. Experimented with weights in various positions along the string, swing style and exposure lengths from 8 to 64 seconds. Conclusion: traces seem pretty random, I was hoping for more of a basin of attraction. Will continue search.
traced over styrofoam shape...
April 29, 2008
April 15, 2008
Trochoid Apps for download
I've made 3 trochoid based apps, they are: Trochoid, TroTorted and circa. These are mac apps and should run on intel or powerpc. Should run on 10.5, I'm running 10.4 and they may run as far back as OS9 with InterfaceLib and CarbonLib installed!
These are the apps I use to create all the spirography images here. The apps are freeware. Trochoid was initially shareware and water marks movies and restricts rendered image sizes until registered. To unlock that goto Trochoid Preferences...->Enter Registration->put "wuve-khmn-ooru" into the code field and press enter.
Documentation is lacking for all the apps. Lacking as in there is none. Years ago I made some unfinished documentation that I'll try to find and repost. For now my intentions for more and complete documentation is to make videos. The video below is my first. It doesn't explain much but shows the general path from start to finish of making a trochoid movie.
Download TrochoidApps.zip 6MB
what you get...
The downloaded file 'TrochoidApps.zip' expands to the folder 'Trochoid Apps (raw)'. (raw means there are no sample files :( yet) Inside you'll find Trochoid, circa and a folder for TroTorted.
TroTorted is in it's own folder because it needs to be next to the Quesa file. Quesa is a 3D engine. If TroTorted can't find Quesa it'll crash while trying to start. (circa uses Quesa too, but I was able to package it inside the app)
Trochoid
Build, animate, texture and render. The most complex of the 3. The interface is non-standard and I don't know how intuitive it is. Most in need of documentation/how-to's.
circa
Build curves. The main feature of this app is that the curve is 'live'. You can adjust the rotation speed while it's in motion. In Trochoid you can't change the parameters while the animation preview is running. This app has no color and texturing is very limited. It was designed primarily to explore curve motion.
TroTorted
2D trochoid curves are wiggled in the third dimension by a sine wave. 3D mesh models can be output as DXF or for POV-RAY.
Again, I need documentation and sample files. That will be my next post. Enjoy :)
These are the apps I use to create all the spirography images here. The apps are freeware. Trochoid was initially shareware and water marks movies and restricts rendered image sizes until registered. To unlock that goto Trochoid Preferences...->Enter Registration->put "wuve-khmn-ooru" into the code field and press enter.
Documentation is lacking for all the apps. Lacking as in there is none. Years ago I made some unfinished documentation that I'll try to find and repost. For now my intentions for more and complete documentation is to make videos. The video below is my first. It doesn't explain much but shows the general path from start to finish of making a trochoid movie.
Download TrochoidApps.zip 6MB
what you get...
The downloaded file 'TrochoidApps.zip' expands to the folder 'Trochoid Apps (raw)'. (raw means there are no sample files :( yet) Inside you'll find Trochoid, circa and a folder for TroTorted.
TroTorted is in it's own folder because it needs to be next to the Quesa file. Quesa is a 3D engine. If TroTorted can't find Quesa it'll crash while trying to start. (circa uses Quesa too, but I was able to package it inside the app)
Trochoid
Build, animate, texture and render. The most complex of the 3. The interface is non-standard and I don't know how intuitive it is. Most in need of documentation/how-to's.
circa
Build curves. The main feature of this app is that the curve is 'live'. You can adjust the rotation speed while it's in motion. In Trochoid you can't change the parameters while the animation preview is running. This app has no color and texturing is very limited. It was designed primarily to explore curve motion.
TroTorted
2D trochoid curves are wiggled in the third dimension by a sine wave. 3D mesh models can be output as DXF or for POV-RAY.
Again, I need documentation and sample files. That will be my next post. Enjoy :)
April 10, 2008
Trochoidal Videos
This first video shows the process of making a rendered movie. About 40 minutes of computer time is compressed to 2 minutes.
These next 3 videos repeat the same animation 4 times to simulate some looping.
The last video is available in this MUCH higher quality file: springs3z.mov.
640x480, 29.97fps, ~12 seconds, looping, quicktime, 8.7mb
December 20, 2007
September 3, 2007
August 18, 2007
June 30, 2007
caps
sometimes I find my screen so pretty I take a picture...
The desktop image is raytraced mirrors. shiny!
The desktop image is raytraced mirrors. shiny!
May 30, 2007
Trotorted UVs
While working on my maze programming homework... one thing led to another and I figured out how to specify UV coordinates properly (UVs map a 2D image to a 3D mesh). I dug into the TroTorted code and added this which was wonderfully easy (I'm finally writing clean extensible code). What this means is that models exported from TroTorted can be textured without a seam. While I was at it I added a sine wave to the tube thickness which you can see in the last picture. I'll post this updated TroTorted after more testing. (Models made in TroTorted, textured and rendered in blender)
May 22, 2007
Bio Cells Video
...About 5 different microscopic critters in motion. There's a hydra and some kind of paramecium (I think), don't know what the others are. Quality is pretty low for this first attempt; and the eye piece pointer is in every shot (I've since taken it out of the scope). I captured the video by simply holding the camera onto the eye piece with my left hand and controlling the stage, focus and lighting with my right, that's tricky.
This video at host if embed doesn't work...
May 6, 2007
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