u3d is an abbreviation for Universal 3D. It is a XML-based, compressed file format for 3D computer graphics data standardized by Ecma International in document ECMA-363. u3d can be embedded into PDF.
Questions tagged [u3d]
23 questions
11
votes
2 answers
Saving rgl 3D scene to u3d (for .pdf integration)
I have a 3D scene generated with the R rgl package.
I can save it in RTL and OBJ format via the rgl functions, but these functions don't support colors.
I can save it in WebGL, but then I can't find a WebGL to .u3d converter, nor any way to insert…

AF7
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7
votes
3 answers
Detecting if a PDF file contains 3D element
Is there any way to detect if a PDF contains 3D element (Universal 3D object embedded) without reading the file contents? Can this information be obtained from metadata?

Wai Yan
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4
votes
1 answer
libiPhone-lib.a is too big after Unity build to xcode(size is about 1.1G!)
My unity version is 5.3.2p4 personal.I create an empty project and build with IL2CPP to xcode,there is a big file named libiPhone-lib.a. Even my project is empty,this file also is 1.1G! If I build with Mono2x and choose a stripping level, this file…

heinzkuang
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4
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3 answers
Can somebody recommend a good U3D library?
I need to put some 3D images into PDF files, and PDF uses Universal 3D (U3D) formats. I don't like the U3D Sourceforge project (basically what Intel released after the ECMA standardization effort).
Does anybody know of good U3D libraries I could…

David Thornley
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2
votes
1 answer
Convert three.js to Adobe 3D-pdf?
Is there way to convert three.hs as U3D to 3D pdf?
I want to export assembly I have as three.js to 3d pdf based on tree structure (children of children).
Is it possible?
Something opposite to Convert Adobe 3D-pdf to WebGL?

zelenooq
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votes
2 answers
Exporting U3D/PDF3D from Visual C++
I have been requested to solve a problem of memory usage of a CAD application written on Visual C++ that occurs when trying to export the drawing to PDF3D.
Exporting feature behaves well for simple models or only parts of a complex model, but not…

sergiol
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vote
3 answers
How to create `.u3d` files?
I'm working on a project for school and I've got some 3D vector data as well as surface plots. These are saved in .dat files outputted from a c++ program.
I'm able to plot these files in gnuplot as wanted, but I'd really like to make .u3d files so…

romeovs
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1
vote
0 answers
How to set initial view properties when add u3d into pdf using itext7
I added a u3d image to a pdf (according to this example), I found the u3d image is added to the pdf but when I open the pdf with Acrobat I can't see it directly (blank block but the 3D menu), I have to right click the blank block and choose "Part…

Michael Zhang
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vote
1 answer
Exporting a 3D Line (Plot3) from Matlab to U3D/LaTeX
What I am trying to do is export a figure as STL, U3D, anything which would get me a step further into including these plots as 3D PDFs in a LaTeX document. From the reading I have done, it is straightforward to convert a surface/quiver into U3D…

gktscrk
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vote
0 answers
Read 3dpdf annotation view
Can anyone help me out to read the 3dpdf all 3D annotation view, with out open the 3dpdf document through C#.
Through ITextSharp I am able to place annotation view but able to read the same.

Raghvendra
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vote
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What's the general way to remove "The name xxx does not exist" error when we recompile unity3d C# dll?
As we know there are multiple ways to decompile Unity3d DLL files to reverse engineering the C# source code via ( dotpeek, ILSpy and Reflector )
Example: [Target File] Unity3D_Game_RootPath/Managed/Assembly-CSharp.dll
Assembly-CSharp.dll => (one…

infiniteloop
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1
vote
4 answers
Integer Types in file formats
I am currently trying to learn some more in depth stuff of file formats.
I have a spec for a 3D file format (U3D in this case) and I want to try to implement that. Nothing serious, just for the learning effect.
My problem starts very early with the…

Malte Dreschert
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1
vote
0 answers
Display .u3d file in a webbrowser
Is there a way to display a .u3d file in the browser despite embedding it in a pdf or flash file? May be using Canvas/WebGL?
BR
Chris

cschuff
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1
vote
1 answer
PDF 3D image doesn't move properly
I'm trying to put a 3D model into a PDF file. When I load the PDF file in Acrobat, it comes up.
However, when I use the rotate, spin, or hand control, the 3D image stays in the same orientation while the camera viewpoint seems to point in different…

David Thornley
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Why do I get a Save Error when exporting to (.U3D)?
I'm ultimately trying to create a PDF file from Blender. I was told I have to export (.dae) file in Blender. Then open (.dae) file in Meshlab. Then export (.u3d) file in Meshlab. This is the point I get a "Meshlab Saving Error" Unknown Error…