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How Developers can Gain Access to the Autodesk REST API

Posted by Unknown Minggu, 08 Desember 2013 0 komentar

Autodesk offers several different browser-based user interfaces for different reality capture scenarios.

They all use the same underlying ReCap REST API.

You need a special developer key to make use of the API. To obtain one, please contact ADN and ask to become a pilot partner.
...
ReCap is built on Amazon web services, using queues to manage jobs.
...

current pilot partners and their work, some of which was also being shown in the AU exhibition:

SoundFit custom fit ear gear, creating a precise model of the inner space within the ear for prosthetics, a fully automated complete custom application.
Kubit, dealing with AutoCAD applications for real-world as-built capturing.
Skycatch, providing a low cost, highly flexible, intelligent & scalable aerial robotics platform.

Tilo Pfliegner of Kubit demonstrated easy integration of calibrated photos, point clouds and ReCap models into AutoCAD.

Point clouds are sometimes too imprecise for modelling needs. Using photos directly instead is better, because they are often more precise, and the photo quality is often better than the generated point cloud.

Extracting MSP Files

Posted by Unknown Minggu, 13 Oktober 2013 0 komentar

Had a pretty persistent error which wouldn't allow Recap to install SP1. In hindsight, it was probably related to the error at this post:
http://upandready.typepad.com/up_and_ready/2013/07/autodesk-recap-10-error-installing-sp-1.html

Basically, the program thinks it needs an update when really it doesn't, and you might have to do a registry edit to fix it.

If you want to know more about MSP files generally:
http://msiworld.blogspot.com.au/2008/09/installation-of-msp-file-in-silent-mode.html

http://www.windowswiki.info/2009/02/19/how-to-extract-msumspmsiexe-files-from-the-command-line/

http://www.msigeek.com/647/command-line-switches-for-msi-and-msp-installations

Also - UniExtract can be used to extract MSP files.

Links:
UniExtract Installer (5.3 MB) - This is the recommended download. The installer will automatically install the application and optionally integrate with the Windows Explorer context menu. This package does not contain source code.

UniExtract Binary Archive (4.95 MB) - This archive contains the binaries. Download this if you want portable version or just prefer not to use the installer.

EDIT:
You can also use the command line. See below for workflow related to Autodesk 360 update 3:

Download Autodesk 360 Update 3:
http://usa.autodesk.com/getdoc/id=DL21520422
Open a Windows command line:
Click Windows Start menu > Search > type cmd and press Enter.
Change the working directory to the folder where you downloaded Autodesk 360 Update 3.
Example: cd c:\a360u3
Run the following command to extract the msp file:
c:\a360u3> Autodesk360_x64_Release_update3.exe /e a360u3.msp
Install Update 3:
c:\a360u3> msiexec /update a360u3.msp /passive /norestart

via
Autodesk - Autodesk 360 Services & Support - How to install Autodesk 360 Update 3 from the command line

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PCG Point Clouds exported from Recap will not import into Revit 2013

Posted by Unknown Kamis, 26 September 2013 0 komentar

The scenario: you receive raw point cloud data, and want to process it in Recap (part of 2014 suite), export to PCG, and import back into Revit 2013.

Or: you request a PCG from a surveyor for Revit 2013, and they give you a "newer" PCG from Recap that will not import.

The error received in Revit 2013 is:
"Unable to create a Point Cloud instance. The file may be an incompatible format or corrupt."

However, if you index the same raw point cloud data using Revit 2013 built-in indexing, the resulting PCG will work fine.

It would seem that there is some difference between the built-in Revit 2013 indexing of PCG point clouds, and the PCG point cloud exporter in Recap.

Workaround:

Process the raw data in Recap (requires indexing time)
Export to PTS file
Import the PTS into Revit 2013 (requires indexing time -- again)

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Recap for Windows XP - get it while it lasts

Posted by Unknown Kamis, 05 September 2013 0 komentar

The current version of Recap Pro runs on Windows 7 and 8 (download link).

However, for the time being you can still download Recap version 1.0 from this link:
http://labs-download.autodesk.com/us/labs/trials/worldwide/ReCap1.0.exe
and the service pack for x64 at:
http://updatesdl.autodesk.com/updates/files/autodeskrecap_sp1_for1.0.43.27_x64.msp

If you ever need to run Recap on XP, it might be handy to have this installer in your toolkit...

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Navisworks and PCG Point Clouds

Posted by Unknown Rabu, 04 September 2013 0 komentar

Navisworks may have issues importing PCG point cloud files. For example, if you try to append a PCG directly to Navisworks Manage 2013, it will say "No plugin exists that will open pointfile.pcg".

If you try to export a view from Revit 2013 to Navisworks and it contains a linked point cloud file, the point file will not be converted even if the "Convert linked files" option is ticked in Navisworks settings.

Here are some workarounds:

Some have recommended importing the PCG into AutoCAD, and export an NWC from there:
Revit OpEd: Point Cloud Data into Navisworks
Point cloud import - Autodesk Discussion Groups

You can also:

Import PCG to AutoCAD, then append the DWG to Navisworks
get PTS from Cyclone, or even TXT, and then append it directly to Navisworks

As per:

Point Cloud files imported into Navisworks & Revit from Cyclone, .pts vs .ptx. | LinkedIn

Depending on the size of the original point cloud file, it will take some time for Navis to make the necessary indexed NWC file (like half a day maybe).

Obviously, if you are living in 2014-Suite-Land, you can also just use Recap to import the PCG and export as a supported file format for Navisworks.

A 2008 PDF that describes the point cloud types Navis supported:
http://www.sparpointgroup.com/uploadedFiles/News/PDF/peterquinn.pdf

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Point Clouds and Shared Coordinates

Posted by Unknown Kamis, 15 Agustus 2013 0 komentar

In a recent project, we received a DWG file and a number of point clouds, all on the same coordinate system (MGA).

To setup project initially, I followed these steps:

New Project
Link the survey DWG by Auto, Origin to Origin
Acquire Coordinates from the DWG in Revit
Link the Point Cloud (in this case, a Revit 2013 friendly PCG) by Auto, By Shared Coordinates
Note - this 6gb came in very quickly, and worked acceptably for viewing
Rinse and repeat for as many point clouds as you have.

Q. Can you acquire the coordinate system from a basic point cloud?
No, Revit 2013 does not recognize a PCG point cloud as a valid source for Acquire Coordinates. You can only place a point cloud by Shared Coordinates where these are already set up.

Great post on initial point cloud coordinate setup:
Point Clouds in Revit - BIM Toolbox

Interesting that centre-to-centre is often recommended as the best initial import method for a Point Cloud:
Point Cloud Processing for Revit Use

Further, you can move one point cloud and use those transforms to modify the next link:
7) Move the cloud in the X, Y & Z to align it where you want it.
8) Once you have it aligned well, repeat steps 1-4 for each cloud except Set “Positioning” pull-down to Auto – Origin to Last PlacedLaser Scanning Forum Ltd • View topic - Shared coordinate and scale in Revit

Also, some users recommended putting all point clouds in their own RVT link for easy unloading / overriding etc. I'm unsure of the impact of snapping to such a cloud in the host project?

Further reading:
One of my team recognised that the point pattern was very similar to an error that occured in Geomagic. very similar to how Revit has issues with things being too far from project base point so does geomagic. It turns out that even though I dropped the cloud very close to the project base point for some reason Revit 2014 must be still reading the old real world coordinates and sees it as if it is still 100s of miles from origin, which is what seems to be causing the resolution problems. Hence we went back into the original registered data in cyclone and made the project arbitrary (moved it close to 0,0,0), we then re-exported to .pts bought into Revit and the results are as per the attachment, loads better than before and deffinately possible to work with now!via RevitCity.com | Revit 2014 Point Cloud Benefits/limitations?

Isolate this the selected element and then use the zoom to fit option. Now you should be able to see your point cloud / import in the center of the screen.
via Point cloud or linked file not appearing in Revit – Shared coordinates | BIMopedia

If you are working with point clouds, you are probably aware that setting up the points to be re-modeled properly within Revit is essential. When you import your point cloud by shared coordinates, you are left with a 3D model of your points.
via Setting up your Revit project to model point cloud data | BIMopedia

On Revit 2014:
The new point cloud engine uses RCP/RCS formats. The RCP format is a project file while an RCS file is a scan file. A RCP file is a group of multiple RCS scan files. If you have raw data in other acceptable formats Revit will index it in the background and let you know when the indexing is complete.
...
They enhanced Revit’s sensitivity to points and planes within the point cloud data. This should make it easier to sketch model elements using the underlying cloud data. Revit will detect planes that are perpendicular to the current work plane and very close to the cursor.
via Revit OpEd: Point Clouds in Revit 2014

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A little Memento and some Recap Photo

Posted by Unknown Senin, 12 Agustus 2013 0 komentar

For some time, I have been looking for a way to get 3D geometry from any format, make it into a nice, Revit-friendly SAT and then use it in massing or visualizations. Can Memento help me with this? Answer - not really.

What it can do:

Import and Export formats: OBJ and RCM (Recap)
allows users to easily (?) fix meshes for digital use or fabrication
fix topology or texture issues (holes, spikes, tunnels, particles, etc.) prior to downstream use

First, download and install it:
Direct Download Link

Read more at:
Autodesk Labs Project Memento

Ok, now that you have installed it... I previously explored point cloud geometry workflows at:
http://whatrevitwants.blogspot.com.au/2013/06/using-point-cloud-tools-to-convert-any.html

Upon opening an OBJ file, Memento will create an associated RCM (Recap mesh) in the same folder. Here's what I did (this is a failed workflow):

Downloaded an SKP of something interesting
Imported to 3dsMax, cleaned it up a bit, exported to OBJ using Deep Creator preset
Imported OBJ to MeshMixer, exported to XYZ as per this guide
Imported the XYZ to Recap, and used decimation at 50mm (note, there is a Recap update at http://updatesdl.autodesk.com/updates/files/autodeskrecap_sp1_for43.24_x64.msp)

I realised at this point that you can't make an RCM file from Recap... What a pain! So, looks like we need to make one using Recap Photo. To use Recap Photo, upload some images to Autodesk 360.

This time, I sort of succeeded by:

Importing an interesting model into Revit
Making a Walkthrough that circled the object, and exported to a set of JPGs
Uploaded them to Autodesk 360
Selected them and clicked on the little Create 3D button (only 250 images will be accepted for processing)
Waited overnight for the model to process...
Opened Autodesk 360 and downloaded the file .obj.zip
Now, use Memento to open and edit the OBJ - and try to fix the holes in it.

My first experience with Memento wasn't great ... I was expecting a Fix All button :-(

Opened the OBJ in Memento
Click find defects (middle of top of the screen)
After they are found, click next or previous, then click Fix
Rinse and repeat thousands of times

Note: Memento will not run on Windows XP.

Heads-up via

Here's the Labs link to download Memento. Is this the end of gift shops with miniature trinkets (lets hope so)?http://t.co/meq6XPnaCO
— Sean David Burke (@seandburke) August 8, 2013