AutoCAD: Manage Layers with the LAYWALK command

Manage layers in a simpler way than using the Layer Manager
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Even from the colleagues that know less about a program you can learn something new. This happened today at work. I was asked some very simple questions about AutoCAD commands. Siting near my colleague to teach him how to do things, I realised he was using a command I didn't know and that is quite useful.

LAYWALK, is a command that allows us to handle Layers very nicely. It opens a dialog where we can see all the layers listed. The objects on the highlighted layers will be shown on the screen.



In case we have a lot of layers we can use the filter bar to only show the ones we want. Use * in front and/or after the text to include all layers with that text in it.


Selecting a layer or several layers and doing "Right Click --> Inspect" will show us some information about the layers and the amount of objects contained.


If there is any layer without any objects, we would be able to purge directly from here using the purge button. We have also the option to "resotre on exit" or not. If restore on exit is active, it means that when we close the LAYWALK window, the layer state will go back to how it was before running the command, if we uncheck this option, the layers will stay as we set them in the LAYWALK window. See a summary of fucntions below (click to enlarge).


Very useful command to manage layers and much faster (although with less functionalities) than the Layer Manager.
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AutoCAD or AutoCAD Architecture??

How many of you are still using plain AutoCAD? Try to move to AutoCAD Architecture at least, you'll work much much faster.
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I've been recently struggling with the experience of working with plain AutoCAD after 3 years of working with AutoCAD Architecture in a professional environment. It is hard for me to understand (other than pure commercial strategy) why plain AutoCAD still exists.It might sound weird if you are working with plain AutoCAD, but once you've tried AutoCAD Architecture, plain AutoCAD feels like someone has cut one of your arms.

The tools I miss the most are the AEC Modify Tools (see them in this post) accessible via right click context menu. Other functions that are not available and that really speed up the work are the "Select Similar" and "Add selected". Select Similar allows us to select all similar objects 8same type, layer,etc) directly from the right click context menu too. And Add Selected allows us to add an object that is the same as one selected, saving tons of time on remembering commands.

These last two functions are available in AutoCAD if you have a Subscription Advantage Pack. Here is the Autodesk page that showcases these functions. But you should know, and this is the main reason I write this post, that these functions are available in AutoCAD Architecture, so to mee, no point paying for some functions, when you could have them all.

Also, considering that the transfer to BIM will happen sooner or later, consider next time you want to upgrade , to go for the AutoCAD Revit Architecture Suite. This one contains AutoCAD + AutoCAD Architecture + Revit Architecture.

So just to wrap up and up to my own curiosity to know what my readers use every day. Could you answer this poll? What program do you use every day at work?


Thanks!
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SketchUp Plugins: Extrude Edges by Loft

A powerful Plugin to create a "Loft Surface" between curves.
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Not so long ago, we saw the Loft Plugin by Chris Fullmer that allowed us to create Lofts between curved edges. Although the Plugin was useful, it had some imprecisions and not so much functionality.

TIG, inspired by this Plugin, has created the extrudeEdgesByLoft.rb Plugin. It is, for its functionality, like a much better version of the previous Plugin by Chris Fullmer. It creates the Loft surface with better precision from given curves, see below.



Besides creating the mesh, it allows you to choose if you want to reverse faces or soften the edges.


And even if you want to eliminate the edges you used to create the loft operation.


Another Great Plugin by TIG. It can be downloaded here (you need to be registered)together with other Extrude Tools that we will soon see here.

Chek here how to Install SketchUp Plugins.
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Barcelona in 3D on Google Earth

My hometown is oficially launched in 3D in Google Earth. Go visit it.
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I normally don't repost this things, but being my hometown I couldn't skip it. Barcelona is officially launched as a 3D city in Google Earth. Go see it. It's worth it. Here a brief video. Unfortunately we've been stereotyped again with some "flamenco-like" spanish guitar song. What can i say, this is not us, but in any case, and as we say in Catalan: Benvinguts a Barcelona!! (Welcome to Barcelona).



via Official Sketchup Blog.
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SketchUp Plugins: Extrude with Rotation

Extrude Edges or faces with a rotation.
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ExtrudeEdgesByLathe.rb by TIG allows us to Extrude Polylines or Faces following a circular path defined by an axis and a rotation angle. The Plugin is part of a suite of several Extrusion Plugins by the same Author that can be found here. The Plugin Allows you to do the following.



We can set all the properties of the extrusion on a dialog box that appears after we run the Plugin. These are the options for the previous example.


And if we select a face instead of a polyline, the plugin works too!!



Chek here how to Install SketchUp Plugins.
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List of BIM Software & Providers

There are a lot of choices on BIM software, see a list here
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Although BIM is relatively new, it is also a trend that is penetrating the Construction industry fast and I would even dare to say, with no way back. For those trying to choose an application, here comes a comprehensive list of BIM providers for the different categories.

ArchitectureSustainabilityStructuresMEPConstruction (Simulation, Estimating and Const. Analysis)Facility Managment
I am sure I am missing some, so please add a comment if you know any other. The category order is kind of in the timeline of a building lifespan (Design --> Build --> Mantain). The order of software systems in each category has no reason, first that came to my mind or that I found was first on the list. I know that some of the Systems are more liek add ons to some BIM programs or Analysis Systems. nevertheless, I think these add-on and analysis packages are an integral part of the BIM process and so must be listed together with "pure" BIM modelling tools.

Please Contribute with your knowledge commenting on this post!
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From CAD to BIM: Part II - From CAD 2D to CAD 4D

The transition from 2D CAD to 4D CAD that changed the way architecture is nowadays.
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Go to Part I
The Adoption of CAD software in Architecture firms was progressive, (I am still trying to find some information on a more or less exact timeline of CAD implementation in Architecture Firms) and it is nowadays widely spread in virtually all architectural firms. Some resisted the adoption of the CAD systems, and others have argued that CAD poses some challenges to creative design. Nevertheless, in 2009, the Architects Journal published the result of a study and poll amongst construction industry leaders, and the result showed CAD/CAM as the greatest advance in construction history.

Initially, CAD was used in Architecture Firms as a replacement for hand Drawing, meaning only 2D CAD was actually used regularly. This, was already an incredible step in terms of productivity, but it meant a less significant step in terms of work processes. Cad was in the beginning only a tool to draw faster. Until the adoption of 3D CAD, the proper change didn’t start.

Still, the initial use of 3D CAD was mostly as a presentation tool having not a very influencing role in the design process. Many companies still see it that way and only use 3D as a presentation tool. The truly significant change happened when 3D CAD started to be used a sa design tool. Its importance in the design process can be understood if one analyzes some of the latest building shapes and structure designed and built. Some of the latest buildings by Zaha Hadid, Frank Gehry, studio Morphosis, Asymptote and others, are hard to imagine before the advanced 3D CAD era. There are of course exceptions (complex shaped buildings entirely designed on the pre CAD era, one of my favorites is the Ronchamp Chapel by Le Corbusier) but you will agree with me that those complex shaped buildings have become much more common since 3D CAD has been adopted as a design tool.

Especially important on this late stage is the spread of complex surface modeling programs and explicit history and parametric capabilities. One of the big players on those two fields is Rhino with its explicit history plugin called Grasshopper. More and more buildings are being designed and the designs are being modified thanks to this sort of capabilities. The complex surface modeling features allows to model shapes and forms that would be impossible with simple 3D programs. The explicit history and parametric features allow the modification of these complex shapes without the need of remodeling them as it used to be common in primitive 3D CAD packages (and is still the common workflow in simple 3D CAD nowadays).

The 3rd dimension in CAD was conquered long ago and has been improved to the point that almost any imaginable shape can be modeled in a computer, and buildings can be built based on those 3D models. The 4th dimension (time) has been also explored with flythrough and animations being used in almost any big building project. But part of this 4th dimension of time can still be used more deeply. On the following documentary about the construction of the Yas Hotel by Asymptote in Abu Dhabi we can see this fourth dimension explored in depth.


Time is used not only for fly through animations, but to simulate the construction process and, that way, find possible collisions between building elements during the construction phase (the crane and some façade elements in the video). The logical step, is to use this 4D approach more and more to avoid conflicts during the construction phase.

What comes after the 4D dimension is the area where BIM means a real revolution. Incorporating the nD, or “n” dimension to the 3D Modell is what makes BIM so revolutionary and at the same time so necessary. We will explore this on the next issue of “From CAD to BIM”.
Go to Part I
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Free Online Generic BIM Object Library #01

Trying to find free BIM Objects online? here comes resource number 01
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I have started to scan the web in search of good BIM object Libraries. I have found some interesting ones so I'll keep posting them here. The first one I am sharing is a generic object library by BIMsmart (Reed Construction Data). It serves the purpose to populate your model with some basic objects. See a preview below.


Of course the goal of BIM is not (only) to generate a 3D of your building, so if you are trying to go into more detail, like calculating costs out of your BIM model you'll need to use manufacturers BIM Objects / Families, or add cost dimensions to these generic objects.
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Engage Investors with BIM

Six reasons to use BIM to engage investors in your project
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Reedconstructiondata has recently published an article to try to answer the question "How can BIM, Building Information Modeling, effectively communicate the design of a new multi-sport facility in order to engage investors in financial participation?". The article, as I see it, gives the main 6 reasons why you should adopt BIM in your firm as soon as possible.

The six given reasons, summarized, are the following:
  1. In ten years developers will have adopted BIM and will request it
  2. It lowers project costs
  3. It allows better Design, Visualization and Contract Documents
  4. It reduces "Design Waste", specially if IPD is also adopted
  5. It allows to incorporate Facility Management tools that will reduce the operating costs of the building
  6. For the above mentioned reasons, BIM will produce a better product (the building) with higher ROI
I think they are key reasons to go for BIM. BIM is not (only) a new tool with better functionality and capabilities compared to traditional CAD Programs, BIM is a new process in itself and part of a bigger process that is already revolutionizing the construction industry. It's time to embrace BIM and embrace the transformation towards a more efficient construction industry.

You can find the entire article here.
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AutoCAD: 90 Tips to Work Faster and Smarter

This is the Lynn Allen lecture at Autodesk university 2009
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Lynn Allen Lectured at Autodesk University 2009. The Lecture contained 90 quick tips to work faster with AutoCAD. The tips range from things you might find very obvious to little pearls that will open your eyes to a new and quicker way to do what you had been doing somehow differently for so long. You can find the video here. It is a long one (around 90 minutes) so you might wanna watch it in little sessions to be sure you get the most of it.
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Autodesk's BIM Deployment Plan

Autodesk has a public BIM deployment Plan. A very interesting read.
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Autodesk has published a "BIM Deployment Plan" Document. The Paper, 42 pages long, explains in detail the strategies to adopt to implement (deploy) BIM in your company. As explained in the executive summary:

"The Autodesk BIM Deployment Plan outlines practices and provides a framework for using building information modeling (BIM) technologyand practices that can help to deliver projects faster, more cost-effectively, and more sustainably".

I am just in the process of going through it and will add to this post more details in the future. For now I'll just share the link for those with more time than me. Please feel free to comment.
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ArchiCAD: New Found website and Tutorial video

I found a website that aims to specialize on ArchiCAD tutorials.
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Just came across this blog called ArchiCADMonkey by Apollo Spiliotis. It has some good tutorials to learn how to use ArchiCAD.

I´ll just post the latest one here as an example. For more videos, check ArchiCADmonkey.
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