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Thread: Mesh Import

  1. #1
    Member truevis's Avatar
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    Mesh Import

    Who hasn't wanted to be able to import Meshes from OBJ files into Revit? It is now possible.

    I have submitted a new API app called Mesh Import to the Autodesk App Store.

    Go from most kinds of meshes, including what we can now make using photogrammetry, into Revit elements:
    to
    to

    See the app's landing page for more information: Mesh Import | truevis.com
    Last edited by truevis; October 8th, 2015 at 06:52 AM.
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  2. #2
    Member truevis's Avatar
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    Does anyone find this appealing? If you have an OBJ file and would like to have it imported into Revit as a test, you are welcome to send it to me and I can send back the RVT.

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    Member BD Mackey's Avatar
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    I find this intriguing but not sure how I would use it yet. I am thinking for an existing building, more for viewing than measuring etc but could be nice.

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    Member TheRevitKid's Avatar
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    I would love to see how your add-in imports and handles OBJ files... Especially when it comes to rendering.

    The ability to purchase and use models like this (for rendering): 3d model bed realistic

    WOULD BE MASSIVE!
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  5. #5
    Member truevis's Avatar
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    Quote Originally Posted by TheRevitKid View Post
    I would love to see how your add-in imports and handles OBJ files... Especially when it comes to rendering.

    The ability to purchase and use models like this (for rendering): 3d model bed realistic

    WOULD BE MASSIVE!
    As long as they are not too huge, and use closed meshes, models from Turbosquid.com work. The ones that are not closed meshes may be able to be fixed in other software like Memento or MeshLab.

    Color rendering is not the point of this because in Revit the imported elements' appearances are just via their Category. The OBJs' material maps are not used.

    Here is an OBJ downloaded from Turbosquid and brought into Revit:
    Mesh Import-screen-shot-01-21-15-12.46-am.png Mesh Import-screen-shot-01-21-15-12.57-am.png
    Its RVT may be downloaded at http://truevis.com/Files/Grey_Bedset.rvt
    Last edited by truevis; January 21st, 2015 at 06:10 AM.

  6. #6
    Member truevis's Avatar
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    To further explore TheRevitKid's concept, I downloaded a bunch more of the free bed models from Turbosquid. There was one I tried with 250000 faces and it was mush when imported it to Revit. I used Memento to clean it up, decimate it down to 5000 faces, and error-check it. It then came into Revit nicely.


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    Member TheRevitKid's Avatar
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    Quote Originally Posted by truevis View Post
    As long as they are not too huge, and use closed meshes, models from Turbosquid.com work. The ones that are not closed meshes may be able to be fixed in other software like Memento or MeshLab.

    Color rendering is not the point of this because in Revit the imported elements' appearances are just via their Category. The OBJs' material maps are not used.

    Here is an OBJ downloaded from Turbosquid and brought into Revit:
    Click image for larger version. 

Name:	Screen Shot 01-21-15 at 12.46 AM.PNG 
Views:	21 
Size:	306.7 KB 
ID:	20571 Click image for larger version. 

Name:	Screen Shot 01-21-15 at 12.57 AM.PNG 
Views:	23 
Size:	198.5 KB 
ID:	20573
    Its RVT may be downloaded at http://truevis.com/Files/Grey_Bedset.rvt

    This is excellent...

    Does it only import into the project environment.... All it's missing is the ability to apply or edit the materials... Even AutoCAD imports at least bring in a "Render Material XXX" that can be tweaked....

    I rendered the revit model you posted... Look how awesome the pillows and fabric look! All I need is to customize each material and we have some seriously awesome stuff happening!
    Attached Thumbnails Attached Thumbnails Mesh Import-bed-test.jpg  
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  8. #8
    Member truevis's Avatar
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    Quote Originally Posted by TheRevitKid View Post
    This is excellent...

    Does it only import into the project environment.... All it's missing is the ability to apply or edit the materials... Even AutoCAD imports at least bring in a "Render Material XXX" that can be tweaked....

    I rendered the revit model you posted... Look how awesome the pillows and fabric look! All I need is to customize each material and we have some seriously awesome stuff happening!
    Yes, only works within RVTs (the project environment). Can't say whether future versions of Revit will let those elements exist in RFAs. There may be a way of applying Materials by face in the API, but I haven't sussed it yet. Can change Materials by Category, currently.

  9. #9
    Member truevis's Avatar
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    The app is now live and for sale at $50 in the Autodesk Store: https://apps.exchange.autodesk.com/R...windows64%3aen

    (FYI, budding app publishers: I first submitted it in early January, 2015. It got bounced back twice for minor QC issues. The app gets checked by several people and has to look nice in all ways.)
    Last edited by truevis; February 24th, 2015 at 01:41 AM.

  10. #10
    Member truevis's Avatar
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    Added a troubleshooting page . I used a photogrammetry mesh that a guy sent me to try as the example.

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