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Poser - OFFICIAL F.A.Q (Last Updated: 2024 Nov 29 7:57 am)



Subject: Texture blur in Rendering?


JapaneseModels ( ) posted Wed, 18 June 2008 at 10:23 AM · edited Fri, 29 November 2024 at 3:58 PM

Whenever I render models and shapes that have photos or textures in them, it all gets blurry. Does it have something to do with the shadows in the render? I want clear textures and shadows in my renders. How can I fix this problem? I would be most grateful if somebody could provide me with some information. Thank you.


BeyondVR ( ) posted Wed, 18 June 2008 at 10:40 AM

You didn't say which version you are using.  If it's Poser 7, it has texture filtering on as the default.  I use P6 and don't have P7, but someone will be by to tell you how to set the render options if you can't figure it out.  That's the most likely problem.

John


JapaneseModels ( ) posted Wed, 18 June 2008 at 10:58 AM

I use Poser 7.

Quote - You didn't say which version you are using.  If it's Poser 7, it has texture filtering on as the default.  I use P6 and don't have P7, but someone will be by to tell you how to set the render options if you can't figure it out.  That's the most likely problem.

John


IsaoShi ( ) posted Wed, 18 June 2008 at 11:28 AM · edited Wed, 18 June 2008 at 11:32 AM

You need to go into the Materials Room and select the material surface that has the problem, using the small document window and/or the drop-down selectors at the top of the materials window.

In the advanced material settings, there will be an Image_Map shader (it may have another name) pointing to the texture file, plugged into the Diffuse colour node on the main shader. The bottom-most setting on the image_map shader is the texture filtering. Change it from Quality to None, then go back to the Pose Room and try rendering. It should be better now.

If there is more that one material surface causing problems, you have to do this for each surface.

Sorry I can't post a screenshot right now, 'cos I'm at work!

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)


bagginsbill ( ) posted Wed, 18 June 2008 at 11:59 AM

In the free stuff area here there is a handy python script made by svdl (Poser 7 Texture Filtering utility) that will turn off the texture filtering on your selected character, a prop or the entire scene. This way you don't have to spend time turning off the texture filtering in every part of your character.

(This was originally posted by PaganArtist in another thread.)


Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)


bagginsbill ( ) posted Wed, 18 June 2008 at 12:01 PM

Also, after you disable texture filtering, you will get sharper details if you adjust your render setting for Min Shading Rate.

Decreasing it will make the shader run on smaller sections, giving more detail, but it takes longer to render. Try .5, .33, .2 etc. The smaller the shading rate is, the more detail you get.


Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)


jonthecelt ( ) posted Wed, 18 June 2008 at 12:01 PM

Quote - You need to go into the Materials Room and select the material surface that has the problem, using the small document window and/or the drop-down selectors at the top of the materials window.

In the advanced material settings, there will be an Image_Map shader (it may have another name) pointing to the texture file, plugged into the Diffuse colour node on the main shader. The bottom-most setting on the image_map shader is the texture filtering. Change it from Quality to None, then go back to the Pose Room and try rendering. It should be better now.

If there is more that one material surface causing problems, you have to do this for each surface.

Sorry I can't post a screenshot right now, 'cos I'm at work!

Well, that's not really adressing the problem. The better way to do this is to lower your minimum shading rate in your render settings - set it to about 0.02, and those textures should clear up pretty quickly.

JonTheCelt


IsaoShi ( ) posted Wed, 18 June 2008 at 12:48 PM

You're right, jon, and I'm not really qualified to address the problem anyway. 

I was simply passing on how to turn off texture filtering in P7, as suggested by BeyondVR.

Thanks for the info, and bagginsbill too.

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)


bagginsbill ( ) posted Wed, 18 June 2008 at 3:03 PM

Jon,

I agree that Min Shading Rate works "best", but "better" is a matter of debate. Certainly the best possible image quality is achieved at .02 shading rate, but you'll slow the render down a lot. If you're doing raytracing or other stuff in the scene, it will REALLY slow it down, more than a lot. Like 100 times slower.

To me, "better" is achieved by disabling texture filtering, with no slowdown in performance, along with a .5 shading rate. Best happens at .2, at which point the texture filtering makes little difference.

By the way, the shading rate on each actor or prop is controlled by TWO values. There is the render setting, and there is also one on the item properties as well. Poser will use whichever is higher. The default for items is .2. So setting it to less than .2 in the render settings does not get you below .2, unless you ALSO set it that low on the item. You'll have to go through the figure's body parts to adjust those.

In practice, I can't "see" any benefit to .02 versus .2. You're already doing 25 shader ops per pixel at .2. Going to 2500 (at .02) is just wasting electrons.


Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)


IsaoShi ( ) posted Wed, 18 June 2008 at 3:32 PM

I've been beta testing a patio set for a merchant who is developing on P5.

The sunbrella cloth material has options for a floral pattern and a striped pattern. The floral pattern was badly blurred with default render settings, and the striped pattern was badly distorted.

The ONLY way I can get rid of these effects is by turning texture filtering off. Whilst reducing the minimum shading rate (at first just on the render, then on both object and render), it does not eliminate it.

So in this case, 'best' == texture filtering off - no question.

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)


PAnn ( ) posted Sun, 13 July 2008 at 11:47 AM

I don't know how to say how lucky I feel finding this thread last night. I have been bothered by blurry textures ever since trying to figure out the firefly render. I have looked for tutorial after tutorial and found nothing on how to sharpen my patterns. I have always resorted to the POser 4 renderer because it gave me a much sharper and clear image. After finding this thread and then rushing off to try it, I had to return this morning and say  "Thank you thank you thank you!!!"  Turning the filtering to none in POser 7  worked like a dream on my dress textures I was creating and I could not be more happy to have found this tip, suggestion or in my case Godsend.  I have been using both Poser 5 and Poser 6 and have suffered this problem for that long.  So once again,  thank you!

Pat


bagginsbill ( ) posted Sun, 13 July 2008 at 1:54 PM

You're welcome! There are hundreds more like you who just don't know.

So many other topics, too. Like, did you know you don't have to have nostril glow, or crappy shadows, or do postwork to composite, or you can easily make your own IBL and get realistic lighting, or ... the list goes on and on.


Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)


PAnn ( ) posted Sun, 13 July 2008 at 2:44 PM

The list does go on and on but sometimes when you are stumped by something simple, you get embarrassed asking because to those more knowledgeable, you must sound like a fool because you didn't know "that" already. As I said, I have searched since Poser 5 trying to find how to make it sharper in firefly . I've gone back to the manual, to other forums, and yet not til last night could I find an answer. I guess I will have to learn to swallow my pride and just sound dumb if I have to and just ask someone.

Pat


PAnn ( ) posted Sun, 13 July 2008 at 5:37 PM

I just tried it again on a texture set I am making for a freebie on my web site. This was just a quick render and you can see a definite difference in only this fast render especially on the hat band


FrankT ( ) posted Sun, 13 July 2008 at 5:42 PM

I always say "the only dumb question is the one that's never asked"
Nobody is born knowing this stuff (apart from possibly BB - I have a feeling he's some wierd superintelligent alien hybrid :) )

My Freebies
Buy stuff on RedBubble


IsaoShi ( ) posted Sun, 13 July 2008 at 5:56 PM · edited Sun, 13 July 2008 at 6:00 PM

I found the same with a floral pattern, Pat. Also with a striped texture, the straight lines were broken up or distorted when viewed at an oblique angle. Switching the filtering off fixed it completely. Reducing the material's shading rate for the renders just improved it a bit.

If anyone has ever given a simple explanation of what texture filtering is good for, I have missed it!

Izi

Xpost with FrankT... hehe! But BB made a mistake recently.. yes, a real mistake... he even said he was an idiot! I replied, you're just a human, and now I don't think he's talking to me any more. :O)

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)


Acadia ( ) posted Sun, 13 July 2008 at 6:16 PM

Quote - In the free stuff area here there is a handy python script made by svdl (Poser 7 Texture Filtering utility) that will turn off the texture filtering on your selected character, a prop or the entire scene. This way you don't have to spend time turning off the texture filtering in every part of your character.

(This was originally posted by PaganArtist in another thread.)

Is there one that will do this for Poser 6?

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi



bagginsbill ( ) posted Sun, 13 July 2008 at 6:45 PM

LOL people.

Acadia:

In P6, texture filtering is a render setting. P7 introduced the idea that it was per-image. In P6 you can turn it on or off globally in the render settings.


Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)


Acadia ( ) posted Sun, 13 July 2008 at 6:49 PM

Quote - LOL people.

Acadia:

In P6, texture filtering is a render setting. P7 introduced the idea that it was per-image. In P6 you can turn it on or off globally in the render settings.

Wonderful! Another reason to not upgrade my version :)

Thanks :)

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi



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