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Eric Bobrow
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PostPosted: Sun Feb 21, 2010 11:56 pm    Post subject: Video Tip - How to Trace 2D Drawings to Create Your Model Reply with quote

I have prepared a new video tip on a topic that should be of interest to many ArchiCAD users. In this demonstration, I show how to bring in 2D drawings (in this case, DWG files) as a tracing reference to make it easy and fast to create an accurate 3D model.

The video may be viewed here:
http://www.archicadtemplate.com/?page_id=864

At this point, it is about 90 minutes long, and shows every step along the way. I plan to condense it down to focus on the principles and show only the most important steps. Note that for this long version there is a timeline control strip, so you can jump to any point you wish, or replay sections at will.

Here is an outline of the process:
    * Create a new project
    * Import the DWG files into separate Worksheets and coordinate their origin points
    * Set up the Story Levels to correspond to the project heights
    * Use Virtual Trace to reference the ground floor DWG as a background while working on the ground floor plan
    * Move the original MasterTemplate base slabs, elevation and section markers, and gridlines to the vicinity of the traced DWG
    * Set up the wall tool for the proper thickness and height, then trace the outline of the building
    * Repeat for the upper story
    * Place windows in the walls using the plan DWGs as references for location and width
    * Open each of the Elevation viewpoints and correspond the DWG Worksheets for trace reference
    * Adjust window heights, types and glazing patterns to match the original drawings
    * Repeat for the doors, first on plan, then in elevation
    * Draw the first roof piece on plan by tracing over the roof outline from the original drawing
    * Coordinate the height and thickness of the roof in each elevation
    * Use these adjusted settings to create the rest of the roof system on the lower level, then repeat the process for the upper roofs
    * Trim walls to the roofs to clean up the model
    * Adjust some of the windows and doors to have arched tops with bricks above
    * Review the 3D model, elevations and plans, which now correspond beautifully to the original drawings

All of this was done in real time, in 90 minutes!

To be frank, the first time I did this it took between 3 and 4 hours, because I had to become familiar with the project and how the DWGs were organized. The second time it took about 2 to 2 1/2 hours, and then I started over and recorded the process the third time in 90 minutes from start to finish.

In the near future, I will condense this video into a shorter presentation, perhaps 10 - 20 minutes long, and create an article that explains the process.

I look forward to your comments and feedback.

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SiRowe
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Joined: 15 Jun 2009
Posts: 20
Location: Norwich England

PostPosted: Tue Feb 23, 2010 5:52 pm    Post subject: Re: Video Tip - How to Trace 2D Drawings to Create Your Mode Reply with quote

Eric,

I skimmed through your video over 30 minutes, what I saw of it was really very useful. It's a process that we regularly go through in practice, most of the jobs I have modelled in ArchiCAD have grown from trace referenced dwgs.

The video is invaluable for our staff who need to learn the ArchiCAD process, while the Experience BIM videos are useful they seem to serve as sales pitches rather than learning tools - relying more on favourites than the entire modelling process.

Can I ask though - would you consider keeping the whole 90 minute video online? Perhaps in addition to a condensed 20 minute video? While the 90 minutes is lengthy for the experienced user, for those who are new to the software it seems to be at a much nicer pace to follow.

Simon

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Eric Bobrow
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PostPosted: Tue Feb 23, 2010 8:25 pm    Post subject: Re: Video Tip - How to Trace 2D Drawings to Create Your Mode Reply with quote

Thanks for your positive feedback. I will definitely keep the longer version available so that people who are interested may see the complete step by step.
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TMA_80
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PostPosted: Tue Feb 23, 2010 8:44 pm    Post subject: Re: Video Tip - How to Trace 2D Drawings to Create Your Mode Reply with quote

Eric, this is definitely a great "reference" video. thanks.
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