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Tuesday, February 22, 2011

Download of Point Cloud Feature Extraction for AutoCAD Civil 3D 2011 SP1 Available Again - It is Alive in the Lab

Uh, are you forgetting something?  The ground that your buildings sit on?  All of those buried utility pipes that connect to your building.  How about all of those LEED points that relate to the site, parking and landscaping?  Well, there's an app for that. It's called Civil 3D and it's even made by Autodesk.  Make sure your engineers are using it because you can drop your Revit buildings into Civil 3D.  That will make you Civilwized(.Com)

16 hours ago by Scott Sheppard
Point Cloud Feature Extraction for AutoCAD Civil 3D rides again...
Point Cloud Feature Extraction for AutoCAD Civil 3D is one of our technology previews to facilitate the processing of point cloud data. The technology preview is an intelligent point cloud shape extraction solution which allows you to import, load, and extract civil-specific shape and geometry information from point cloud data in AutoCAD Civil 3D.
Point Cloud Feature Extraction for AutoCAD Civil 3D on Autodesk Labs
On Friday I posted a new version of the technology preview from our team in Shanghai. Based on your feedback to labs.acad.shape@autodesk.com and the discussion forum, this update includes:
  • Support AutoCAD Civil3D 2011 With Service Pack 1 ONLY. If you have the original AutoCAD Civil 3D 2011 without the service pack, you will encounter a crash problem in the 'Create Ground Surface' tool. We had temporarily pulled the download of the original technology preview due to SP1 incompatibility. With this release, "we're back in the saddle again." to quote Aerosmith.
  • All features in Shape Extraction for AutoCAD plug-in. You do not need to separately download and install the Shape Extraction for AutoCAD technology preview.
  • Support for selecting points within a region to extract features rather than selecting the entire point cloud object. AcDbPointCloudLight objects can also be supported in Feature Extraction commands.
  • A new 'Export' tool that allows you to export both AcDbPointCloud and AcDbPointCloudLight objects to PCG files. This enables you to export the feature extraction results. This feature can also be used to decimate a point cloud by exporting it with low density.
  • A new Boundary type 'Polyline' to extract the boundary of planes as a polyline. It is set as the default boundary type for both single and multiple plane extraction.
  • Defect corrections to improve system stability.
I also updated the getting started page with a new getting started guide and two new sample files (NH.pcg and Road.pcg):
Getting started with Point Cloud Feature Extraction for AutoCAD Civil 3D 2011 SP1
The team also provided me with a new set of videos that I posted to the Autodesk channel.
V01 Extract Road FeaturesExtractRoadFeatures.mov
V02 Automatic ClassificationClassification_Automatic.mov
V03 Create Ground Surface and SegmentCreateGroundSurface
V04 Classication SampleClassification_Sample.mov
V5 Point Cloud DecimationPointCloudDecimation.mov
Please take it for a trot and give us your feedback.
Advancing technology previews with your help is alive in the lab.


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