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



Subject: Help with Poser accuracy/coordinates/units


chronic1 ( ) posted Fri, 16 November 2001 at 3:43 PM ยท edited Wed, 09 October 2024 at 6:20 AM

Hey all, I am new to Poser (I've had it for 2 whole days!) and have a few questions regarding accuracy. To preface this, I am a freelance draftsman/designer (10+ years) by trade and I am used to drafting and design programs like AutoCAD, 3D Studio, Accurender and the like. I mainly purchased Poser for use in posing figures for 3D scenes created and render within AutoCAD using a third party rendering engine. I currently have a 3D project for a large material handling firm in which I need to pose some figures operating and interacting with equipment. I have already created the equipment models in real world units in CAD and am now confronted with the issue of aligning my figures with the equipment. First I exported an unposed figure in 3DS format, which I then imported into AutoCAD. I discovered the figure (in this case I used the ideal female, equal rights ya know) is less than one inch in height. Knowing this, I decided to export the equipment model from CAD and import into Poser for use as a template for character alignment. After importing, I attempted to scale the equipment to suit the character scale. When I scaled the props, I found that the parameter dials leave a lot to be desired in terms of accuracy. I can spin them just a bit, the props change size, but the numeric readout doesn't change. I am used to having more control over my models due to my experience with other design software. To make a long story short (if that's possible now), I was wondering if there are some hidden settings for accuracy, coordinate readout, or modeling units. Or am I basically screwed.....any insight would be appreciated...


BAM ( ) posted Fri, 16 November 2001 at 4:03 PM

A Couple of things... You don't have to spin the dials, you can actually input numbers manually. In the "Poser Free Stuff Area" (see top of page) try a search for rule, caliper, or meter. You will find tools that will help you size things Good luck


cal401 ( ) posted Fri, 16 November 2001 at 4:20 PM

You are better off to do the scaling in AutoCAD--Poser doesn't handle large scenes very well. One Poser unit is about 10 feet. If you are working in inches, try a scale factor of 120. A scale factor 90 will make the male figure about 50 percentile size, that is, 5'9". Cal


Grey_cat ( ) posted Fri, 16 November 2001 at 11:17 PM

Poser's scale is 1/8"=1'-0". If you're creating models in AutoCAD full scale you'll have to scale them down to 1/96. Make sure to place origin somewhere on the model, I place it at bottom center of the model, that way your model will come in to Poser at the center of the ground plane.


chronic1 ( ) posted Fri, 16 November 2001 at 11:44 PM

Thanks to all for the rapid response. In most other forums I have submitted to, it takes forever to get any response. Guess there's a lot of 3D artists out there, huh. BAM, thanks for the tip on the "type in". Althought this wasn't the solution, it is a feature I didn't know about. Cal, while I wasn't attempting to use Poser for the final rendering, I have become painfully aware in only two days that Poser doesn't handle large scenes well. While I think it's a cool program, I have notice that it is a bit unstable at times. It has locked up on me a few times already. This is really nothing new to me since it seems Autodesk (makers of AutoCAD) hasn't been able to produce a stable drafting package for at least the past ten years either. If memory serves me, 3D Studio has been known to dump on me a few times as well. Of course, where would we be without these programs, flaws and all. And the winner is: Grey_cat! I guess I had a "learning new software and I'm in a deadline crunch" anxiety attack and forgot that I could scale in AutoCAD. And to think I managed a drafting department for four years. Big Brain Fart! Success at last. Thanks again guys...


PabloS ( ) posted Sat, 17 November 2001 at 12:25 AM

Another thing on accuracy. If you double-click the dial, a window will pop up allowing you to also change the limits and sensitivity.


chronic1 ( ) posted Sat, 17 November 2001 at 2:38 PM

Cool. I'm not big on user manuals, but I don't believe the dial double-click is covered. Thanks for the tip Pablo.


doozy ( ) posted Sun, 18 November 2001 at 9:45 PM

I consider one Poser unit to be 100 inches. That makes it just a bit over 8 feet. Check the height of the default men and women to see if you agree with me.


chronic1 ( ) posted Sun, 18 November 2001 at 10:19 PM

Through experimentation, I have come to the same conclusion as well. When I imported the 3ds file (exported from Poser) into AutoCAD, the ideal female model was approx 0.70 inches in height. I referenced my architectural graphic standards book for anthropometric data and it states this: for standing height (female) 70.4 inches - large - 97.5 percentile 65.6 inches - average - 50 percentile 60.6 inches - small - 2.5 percentile Knowing this I calculated a scale factor of 100 (0.70 x 100 = 70). In a previous posting by Grey_cat, he stated a scale of 1/8"=1'-0", which equates to a scale factor of 96. The difference between using 96 and 100 is minimal, and for most projects would probably not be noticeable. For scenes with multiple people models, a bit of variation in height/size is desirable, not to mention a bit more realistic. Wouldn't the world be boring if we were all the same size? Although I would imagine finding and buying clothes that fit would be a bit easier (I'm 6'5" and finding clothes is a bit of a pain).


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