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View Full Version : Why Is TherE a HoLe!!??!?!?! HELP!!!


ZVAN
06-06-2003, 09:38 AM
Help!!! I seem to have a problem here u can see from the 1st picture, the floor and the pillar is gone.. The 2nd pic, it's there already, but with shot further away from the pillar and floor. Why can't i render it near?!? what's the problem with the plane and pillar... invisible... :annoyed:

ZVAN
06-06-2003, 09:40 AM
futher shot.

ZVAN
06-06-2003, 09:47 AM
how it looks like:-

arangel
06-06-2003, 01:52 PM
Itīs the cliping plane of the camera. Just lower it to see very close up objects. You can change the Far clip to show objects far away from the camera.

Rangel

ZVAN
06-06-2003, 03:51 PM
i set it to the lowest 0.001 , it's still the same.. I think is not this problem.. if not, u can see the robot model at all... the back pillar also dissapear on the top but not the bottom.. any other solutions?!!?

Matt Leishman
06-06-2003, 04:14 PM
my next step after messing with the clipping plane values would be to create a new persp camera and have it be animated the same as the original (if indeed it isn't locked down). Try rendering from the new camera. If that doesn't work, then come back and we'll see if we can help further.

good luck! :thumbsup:

TheWraith
06-06-2003, 04:21 PM
copy and paste the keys from the old camera to the new btw.... or just parent it to the old one. or constrain it... or or or.... just in case you thought that reanimating the new camera would be difficult those are ways that make it nice and easy :)

Levitateme
06-06-2003, 05:06 PM
zwan, did you get it fixed? are you still having problems?

ZVAN
06-06-2003, 05:11 PM
Sorry guys, but i've tried to create a new camera.. still the same , even though i use the perspective camera to render it..

ZVAN
06-06-2003, 05:14 PM
izzit something to do with the texture file? but impossible coz from far it can render...

TheWraith
06-06-2003, 05:22 PM
hmm... well if the objects are all doublesided... their normals are all facing the correct way... using a different camera doesn't fix the problem and it's not a clipping plane issue i'm stumped. iv'e had a similar problem once before but it only happened in mray and i never did figure the damned thing out. that was maya 4.5 though too. anyways the problem occured when i had the camera close to this glass of milk, half of the table it was sitting on would just disappear in the render. are you using mray or maya to render it out with? also, i can't remember if i had the same problem when i got rid of the texture that was assigned to the object. does the problem still happen when the default lambert shader is assigned to those objects and theres no textures assigned? another thing i had turned on in my scene was motion blur and caustics.... do you have either of those turned on?

ZVAN
06-07-2003, 03:40 PM
sorry, but im juz using normal render not mray, i tried to turned off the motion blur and raytracing even reassigned the texture to it and created a new plane yet is still the same problem.. any other reasons to it, u mentioned the normals, what do u mean, could u elaborate on it?

Levitateme
06-07-2003, 06:48 PM
i think it has nothing to do with your normals, that clearlyl ooks like clipping plane problem. i dont understand how it could be anything else.

ZVAN
06-07-2003, 07:39 PM
but the clipping plane is fine, and the camera is with a resonable distance from everything, it's hanging in the air.. :shrug: what problem could it be, i used a new camera or the original perp cam without keyframes also cant render, the same prob.. guys, what could it be? :hmm:

Levitateme
06-07-2003, 07:43 PM
zvan, if you like you should email me your scene. ill take a look at it. i know i can figure it out if you juse send the scene, if you send, send without the characters cause there rendering fine right? just send me a pvt msg if you wanna email that . but just send everything but the stuff with the high amount of geometry.

Levitateme
06-08-2003, 02:00 AM
zwan, turn your far clip plane to something big. my scene just did what yours did. i think i read you changed your near plane? try adjusting your far plane. i had to my floor was dissapearing. it was at like 40 i set it to 100 its goign fine now.

ZVAN
06-08-2003, 07:28 PM
my near plane i turn it to 0.001 and far plane 50000000 also cant... hey, im going to email u the scene like what u said without the characters.. it's 1mb.. wraith, what's ur email address?

mental
06-08-2003, 07:42 PM
zvan, make sure that you haven't keyed the the pillar's visibility.

ZVAN
06-08-2003, 08:48 PM
the pillars clean, i nvr key the invisibilty.. same with the floor and u can notice that the character left arm is gone.. but when rendered from a futher distance at the same keyframe, all of them already visible..

ZVAN
06-08-2003, 08:57 PM
i had the same problem lastime too, when doing my character with no limbs, but i didn't cared coz its a very rush work.. 1st pic is the frame after the 2nd pic.. as the camera pan nearer to the table.. one part of it dissapear.. there's no texture in it, juz normal blinn tex..

TheWraith
06-09-2003, 04:20 PM
sent you a pm with my email address zvan. you can go ahead and send me the scene and i'll take a look. no promises i'll figure out the problem but i'll give it a shot at least :)

TheWraith
06-09-2003, 07:15 PM
alrighty, i got it fixed... seems to be a weird thing in mayas renderer cuz it rendered just fine with mray in maya 5. the problem did show up in maya 5's software renderer though. but anyways, i did a render and got the same thing you had... i turned on the normals of that pole because it seemed a little peculiar that the bottom of the column would show up but the actual pole part wouldn't when it was one object. but your normals looked fine. I noticed that the normals for the pole weren't even showing up in that cameras viewport as the actual pole was so damned tall that u had to zoom WAY out to even see the whole thing. anyways, i selected the faces forming the middle of the column (pole since i dunno wut else to call it) and did a subdivide on them. did another test render and it shows up now for whatever reason. thinking the same thing might work on the floor i selected the floor and did a poly smooth on it (since it's a plane the smooth didn't hurt anything and just added geometry) and sure enough the floor renders out fine now too. so to fix it, select the pole/beam part of the column and do a subdivide on those faces. select the floor and do a smooth. it renders fine in mray as is, but mayas renderer is screwin' it up for some reason or another. anyways, hope it fixes the problem for you ;)

ZVAN
06-10-2003, 10:12 AM
HEY THAnK YOU WRAITH veRY muCH! i goT iT doNE! yeah, tried mray it works fine, but maya renderer got some bug!
I oWe u! woooHOooOOoo!!!!! bcoz this prob, i cant sleep for like 3 days already.. :bounce: :bounce: :applause:

alexx
06-10-2003, 11:20 AM
Originally posted by ZVAN
my near plane i turn it to 0.001 and far plane 50000000 also cant... hey, im going to email u the scene like what u said without the characters.. it's 1mb.. wraith, what's ur email address?


jeeesus! that is way from what is good!!
you should keep the near and far clipping values as close as possible to each other..
it really takes me wonder this was rendered out fine with such settings..

cheers

alexx

TheWraith
06-10-2003, 03:03 PM
i think he just used that extremely far clip plane value as a test to see if the problem was indeed related to the clipping planes. i like to go to the extreme when doing tests as well to get a clear idea of whats changing and how. wouldn't really make much difference on the far clip plane unless he brought it waaay in though. anyways, scene works now so all is well ;)

ZVAN
06-11-2003, 06:17 AM
yES, CORRECT ThankS! :bounce:

Levitateme
06-11-2003, 05:14 PM
well it sabout time you finnally got it to work. cool.

happychopper
03-24-2005, 07:14 PM
Sorry - late comer to this thread, but also experienceing the same problem. Are you (Levitateme) saying that Maya won't render a poly if it's normal is behind the camera's point of origin?

It seems to make sense as I've got exactly the same issue, but we're talking Maya 6.0 in 2005, not 1980 - does everyone really accept this and have to run a work around such as subdividing objects until the poly's are small enough to not exhibit this problem?

Are Alias taking us for a ride or am I missing something here?

Phil

ps. sorry for hitting rant status but this is screwing up my deadlines!

Levitateme
03-24-2005, 09:00 PM
Sorry i left maya a while ago for xsi. i dont remember.

Jerocide
03-24-2005, 10:46 PM
Wow, I'm having the same problem on the ground in a scene i'm doing. I thought it was clipping planes too, but nothing worked. Good to know that subdividing helps, but I really don't want to add more polys to the scene....guess it's necessary, unless someone comes up with a better solution.

sp0rk3d
03-25-2005, 04:16 AM
this is a common problem i see all the time if you are getting the camera close to an object. what happens is this... the normal of the polygon passes the camera but the edge/s of the poly are still in front of the camera so it will be visible in the view port but not in the render (just the poly with the normal past the camera)

ie: you have a poly plain as your ground and it has just one quad in it.... no divisions... you can render the plain fine as long as your camera is not half way across the plane (where the plane's normal is) as soon as your camera crosses that point maya thinks that the poly is behind the camera and will not render it... to fix this problem you subdivide the plane once so you have 4 quads now... now you can go 3/4 of the way across the plane before all the normals are behind the camera and if some are still getting cut out of the render subdivide them again etc...

the solution is to just subdivide or better yet use the split poly tool and make cuts so that the normals of the objects are in the view of the camera....

hope that helps :)
-sp0rk-

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