Well I was half right. Here are ALL 3 of the versions I have of Edd's light cycle in POV-Ray at the moment. The first two are the one's win3k emailed me without the normals and they ARE different. The later one is much closer to the version I got from Mike with the normals but there are STILL a few shape differences aside from the smoothing. Most notable is the length of the cylinder sticking out just below the riders toes.

Carl

win3k Wrote:Very strange. Just for completeness (and because I really dislike not fully understanding something), I've re-downloaded (this morning) the model from Edd's site, accutrans'd it (exporting normals this time - DOH!) and mailed it over (v3). Up to you, but I'd quite like to see how this one compares with the earlier versions attained through the various routes. cheers win3k

Well there is no difference between the v3 you sent me and the v2. In this animation v2 is the one where I copied over my window texture. I didn't bother to copy over that texture for this v3.


Note I don't see the effect of the normals BUT they are in the POV-Ray file I think. The v2 is 73778 lines of POV-Ray and v3 is 122305 lines of POV-Ray code so I assume all that extra stuff has to do with the normals but I'm guessing the use of this nomal info is somehow turned off in the POV-Ray code though I don't see how to turn it on. The output from PoseRay looks ALOT different.

Carl

so I could sooo see an updated space paranoid game from the tank shot that gives the distance to the recognizer!!!

Afternoon folks

Note I don't see the effect of the normals BUT they are in the POV-Ray file I think. The v2 is 73778 lines of POV-Ray and v3 is 122305 lines of POV-Ray code so I assume all that extra stuff has to do with the normals but I'm guessing the use of this nomal info is somehow turned off in the POV-Ray code though I don't see how to turn it on. The output from PoseRay looks ALOT different.

Like you say, the normals that Accutrans has put into the POV file make no difference to the final render. A cursory glance at the two translations (one with, one without) indicates that normals have been defined, but I just can't work out why they are being ignored. I don't *think* that the normals are incorrect, because if they were, the final render would look very different (e.g., backfacing polygons, weird shadowing artifacts), so as of right now, I'm out of ideas. I did a quick comparison between the model as converted by Poseray and that converted by accutrans, and the main difference seems to be that the Poseray output is one big mesh2 structure, whereas the Accutrans one seems to have retained the individual parts (again, as mesh2 structures). Unfortunately, the sheer size of the files, together with major differences in the order in which things have been output, makes a direct comparison pretty much impossible.

Looking on the bright side, this bit of experimentation has given me a route by which I can pull POV ray models through into Tron 2.0, so if anyone has any such models that they'd like to see in glorious TronGlow(tm), give me a shout.

Cheers

win3k

carl:

I have been tweeking my lightcycle model a little more. After looking at the movie again I realised that the rear wheel needed to be a little fatter and the recessed section a little deeper. Here is the latest version.


Also, whats your thoughts regarding the rear panel of the canopy/ cockpit glass? I can't tell if they are solid or if the glass is just reflective? In the movie this part seems grey like the sub-body of the cycle.

edd

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ed keefe Wrote:carl: I think you are right about the canopy being all the same 'reflective glass'. But you can see what I mean on the screen grab you posted on page 2. The rear of the conopy looks light blue, but there is one scene in the movie where flynn looks back over his shoulder, so it must all be glass. edd

I just typed in several paragraphs and the stupid page refreshed itself when I clicked "Add This Message", thus deleting all that I typed in the message box.

Oh, well...Here we go again.

I have taken several pictures of the lightcycles in action from the DVD.


In this picture, the right side of RAM's lightcycle is facing the opposite direction of the light source. However, the rear section or side of the protruding window, while on the opposite side of the light, looks as if it is fully lit. I think this is most likely a glitch.


Here is another shot of the same lightcycle, still showing the rear window characteristic.


Notice TRON's lightcycle? It is displaying the same window characteristic as well. The following pictures also display this effect.



In this photo, I have drew an arrow pointing at a interesting flaw or glitch in the lightcycle model. I don't know if this line between the wheel-well and the main body was desired or not. A very good example of the rear window is also seen here.


**********************************************************************************************


**********************************************************************************************


**********************************************************************************************



More photos of the rear window effect.


Now in this photo, I have an example of the "inner canopy" color variation. While TRON and Flynn's lightcycles clearly show this variation, RAM's lightcycle is harder to see. The pictures with asterisks underneath them also display this color variation.

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Mr. Sinistar Wrote: I hope you enjoy the pictures!

WOW!!! Nice set of screen captures. Several of these could easily go in this topic too.

http://www.tron-sector.com/forums/default.aspx?do=top&id=329467
As for the back of the window... well I guess it's grey. Doesn't seem to be the same grey as the lower part of the bike though. This grey seems to have an ambient light value of 1 as it remains lit in shadow. The lower part of the bike doesn't.

That said... I think I'll leave it shiny black in my model. The gray just doesn't look right to me... I'm inclined to call it an error. Just as most of these pictures seem to support this 'error'...


as the most accurate.

Carl
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gRiD_89a:

I have a couple of images for you. These are taken from the lo-poly tank model and I have not added any lighting. If you would like more detail, shadows, highlights etc. let me know and I will do some more. they are in .pgn format with a transparent background, and I have made two seperate images of the turret and the main body, incase you want the turret to rotate. Click on the green tank to download the images. I also have some older images on this page!


http://www.a1eddie.com/tank.htm
Edd

I'd imagine you'd have to turn it into a mesh first.

If only it was that simple.

According to the POV-Ray Technical Assistance Group (http://tag.povray.org/povQandT/filesQandT.html), for version 3.1 and newer of Pov-ray, there is pretty much no route by which the model can be converted. The given link to POV2RIB (RIB = Renderman format) is broken, and I've tried most of the standard conversion methods (accutrans, wings3d, crossroads, Rhino, Poseray, Moray etc.) - none of which will read your file.

In simple terms, it looks like the POV-Ray format you have cannot be used/read/converted/understood by anything other than POV-Ray, so unless someone has a mesh converter, or you re-model your lightcycle using mesh/mesh2 objects, there is no way I can see that it can be brought into Tron 2.0.

Sorry 'n all that...

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