Revit

Revit Repeaters

Revit Repeaters

Revit was primarily designed to service BIM (Building Information Modeling). However, do not get stuck thinking that Revit only fits into the BIM space. Revit can be used for a lot of other purposes as well, as can be seen from the images below.

Virusses, micro bacteria, nearly anything can be created in Revit. We just need to find the workaround. The workaround to create these examples was to use the Revit Repeater command.

The first example is of the HIV Virus.

Revit Revit

Example 2 is of a DNA strand.

Revit Revit

The last example was a bit of a challenge: Microbe Bacteria. Creating the bacteria was quite easy, but getting the correct material representation was a tad difficult. Even though it would have been easier in 3ds Max, remember that this blog aims to keep to the default Revit functionality. I believe the result would be good enough to get the message across.

Revit Revit

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Revit 2016 What’s new

Revit 2016 What’s new

It’s been a few weeks now that Revit 2016 has come out, so what is new in this release?

  • Open a Sheet from a view-From the Project browser you can now open the sheet on which a view is placed. An Open Sheet option has been added to the shortcut menu that appears when you right-click a view in the Project Browser. This options allows you to quickly access the sheet on which the view is placed.
  • Navigating the Property browser– One annoying bug that has plagued property browser is that sometimes when you are scrolling down the property browser it pops you back up to the top of the browsers, well it looks like that has bee fixed in the 2016 version of Revit.
  • Thin Line Weight Enhancement-Maintain line weight settings when you open Revit.
  • Rendering – The rendering engine has been changed again in this version.
  • Revision Enhancements -There is now more control of the revision numbering.
  • Selection Boxes– Now we can select an object and then isolate it in a 3d view with the section box being automatically created.
  • Select host– Now when you select an object you can find out what the object is hosted to. In most cases it is pretty obvious to understand what an object is hosted to. When I see this might become useful is understanding what object a keynote is hosted too especially when you use User Keynotes.
  • Navigate During Redraw– Allows smoother panning.
  • IFC Links and Rooms– Defining Room boundry from IFC elements.
  • Rotate Project North-When rotating project north the annotation elements rotate as well.
  • Energy Analyses Enhancements-Analysing your model has gotten better with Revit 2016 and I think it will continue to get better, you should also keep an eye on the Building Performance Analysis blog, as they are promising to show off more of the capabilities of this enhancement to Revit.
  • Automatic place Room– There is now a button to place automatically place rooms in the model. This may save time placing rooms, but you will still have to go back and name the rooms appropriately
  • Addition Content– It looks like Autodesk has given us some more content with the latest release of Revit. There are some additional doors. I probably won’t use them but there is more content.See Revit OpEd for a in-depth explanation of the door content.
  • Searching the content of the Model-Looking for content for the model has be made a little easier. Now when you are in a long list of items you can now start type some of the title of the content and the list of content will shorten to show just the content that contains the data you typed in. Reference Revit 2016 What’s new by Mathew Miller.

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Get Walking to be a Modern Urban

Get Walking to be a Modern Urban

modern urban

In the recent times, there has been a cumulative feeling that people are increasingly getting isolated. In more ways than one, the factor responsible for this has been accounted to the way we live, or more precisely the structures that we live in.

In the recent times, which we would call the ‘modern age’, there has been a cumulative feeling that people are increasingly getting isolated. There has been a marked alienation within the social fabric and people live like ‘islands’. In more ways than one, the factor responsible for this has been accounted to the way we live, or more precisely the structures that we live in.

Buildings have a deep psycho-social impact on human behavior. Increasing stress among educated professionals, failure in relationships (high divorce rates for instance), unrest among teenagers (high schools shootings being a case in point), are all accounted to the simple fact that our entire life is spent within walled confines, leaving little room for healthy inter-personal bonding. It doesn’t foster in us a sense of accommodating others in our space. Instead, it breeds segregation within our community.

Modern architects are, therefore, fiercely propagating the idea of having walk-able townships, where every place and thing would be accessible on foot. This movement has come to be known as New Urbanism. Under this model, the practice of getting out of home and reaching for an automobile, in most cases a car, to reach businesses and other buildings would be obliterated. People would just stroll down the roads, thus, facilitating greater social interaction, understanding and human bonding. Simultaneously, it would go a long way in reducing our destabilizing impact on the environment.

Modern day designers hold that tract style residences with sprawling sub-urban neighborhoods catalyze social isolation, leading to failure of communication within the community. So, New Urbanism landscape architects push for well-knit neighborhoods that lay less emphasis on roads and instead, build more facilities for pedestrians and other social interaction spaces. Suburbia is considered to put an end to authentic civic life.

Walkability is regarded the cornerstone to an efficient surface transportation for an urban area. Every trip involves commuting on foot, where you come in close communion with other people. Besides, it’s the cheapest, healthiest and most affordable mode of transport any community can design. Thus, the community also secures its future by making a sustainable use of resources. Crime and anti-social problems too will diminish significantly due to healthy and happy lives of the citizens.

It has been noticed that when affluent Americans cordon themselves away from the community through enclosed neighborhoods, it leads to misunderstanding, fear, and stereotyping within the society. Therefore, as proud modernists, we should ideally have open cities, where people of all incomes, races and backgrounds would steer through their lives in mutual harmony.

By laying the principles of New Urbanism to practice, people will educate themselves to value others in greater esteem and social networks would healthily expand. It would be a fashion to walk to the destination and ditch the car in the garage. Reference architectural evangelist. For know more about it then contact us.

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Independence for Elevation Marks Everywhere

Independence for Elevation Marks Everywhere

Independence for Elevation Marks Everywhere

Let’s say you have a water closet. The interior elevation mark fits fine in a 1/2″ scale enlarged plan, but on a 1/4″ plan the mark obscures the room.  So, on the 1/4″ plan, you move the interior elevation mark outside of the room and use a simple leader to indicate that that mark references that water closet (image below). Now you go back to your 1/2″ plan and discover that when you moved the elevation mark in one view it moves the mark in all the views!  Bummer.

Independence for Elevation Marks Everywhere

There are several solutions to this problem:

  1. Only use interior elevation marks in 1/2″ plans
  2. Create a dummy tag with open parameters that you can manage manually, or
  3. Duplicate the mark and hide the unwanted duplicates using… Design Options? Yes.

Independence for Elevation Marks Everywhere

 The steps for solution #3 are as follows:

  • Create a new interior elevation mark with the 4 elevations you want.
  • Place another new interior elevation mark, this time with the “Reference other view” option checked, and choose one of the four elevations you wish to duplicate.
  • Once placed, enable the other three views on that tag one at a time (you will be asked to reference three more views).

Independence for Elevation Marks Everywhere

  • Copy the duplicate into all the plan views that require a duplicate.
  • Now that you have a duplicate elevation mark, you can hide in view by element…
  • Or better yet, create a new Design Option Set with two (or more) design options, select the center of the elevation mark, change the “Visible in Option” parameter for the mark from “all” to a design option…  and in the view’s Visibility/Graphics (or the view’s View Template) set the view to display the design option as required.

Independence for Elevation Marks Everywhere

Notes: The focus of this example is on elevation marks, but the  “Visible in Option” parameter is also available in Callouts and Sections. Also be aware that if the crop boundary in the elevation view disappears it’s probably because the mark was put onto a design option. Refer by David. If you have any query then contact us and for our services click here.

To Photo metric, or not to Photo metric

To Photo metric, or not to Photo metric

Revit’s default light sources work. Most of the time though, these default or standard light source definitions will not create an acceptable diffusion of light within a room. We will investigate what results can be achieved between a default light source, and a photo metric light source in Revit.

1.1 Standard Light Source definition

Standard Light Source definition
Standard Light Source definition

1.2 Rendered Result

Rendered Result
Rendered Result

2.1 Photo metric Light Source definition

Photometric Light Source definition
Photometric Light Source definition

2.2 Rendered Result

Rendered Result
Rendered Result

There are pro’s and con’s with both light sources: 

  • Standard Light Sources:
    • Pro: Lighter in size in terms of the data it contains.
    • Pro: Renders are completed faster due to the above.
    • Con: Renders might not be an accurate representation of the actual light diffusion.
  • Photo metric Light Sources: 
    • Pro: Actual diffusion is more accurate due to the IES file attached to the light source.
    • Con: Rendering time will suffer, as there are a lot more data to process.

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Reference To Photo metric, or not to Photo metric

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Organic Architecture, Avant Garde

Organic Architecture, Avant Garde

organic architecture

Organic architecture is the new revolution to have taken over the architectural domain that marks avant-gardism in building construction. It does away with conventional geometric shapes and takes resort in free-flowing curves and natural forms.

After farming techniques went the organic way, architecture happens to follow suit. But don’t be scared of your living spaces being invaded by manure and scum. It isn’t also an anti ‘global warming’ movement to bring about a sustainable model of human existence.

Organic architecture is the new revolution to have taken over the architectural domain that marks avant-gardism in building construction. It does away with conventional geometric shapes and takes resort in free-flowing curves and natural forms.

Yesterday against Today and Tomorrow
The 20th century was marked by dominance in rectilinear and orthogonal design structures because the materialistic aspirations of the industrial age could only be fulfilled that ways. A little reflection would show how mechanical the entire process was. But, the new-age is marked by ‘a free style,’ which highlights beauty and harmony, through its curves and free-flowing forms that is more akin to the human body, mind and spirit. Such architecture enraptures the dwelling individuals and they not only feel better, but also freer and more expressive.

The Modern Manifestation
In this millennium, scientific explorations brought us a more holistic and organic picture of the universe. Thus, a craving for new forms of expression bearing semblance to nature’s diversity emerged. Buildings that resemble a breaking wave or a blooming flower will challenge the existing paradigm and sweepingly transform architecture and building design in the 21st century. The Opera House at Sydney harbor that resembles a boat’s sails and the spiral forms that resemble sea-shells at New York’s Guggenheim Museum are perfect manifestations of organic architecture.

The Driver of Change
Modern computing, information technology and the rapidly expanding computer-aided design (CAD), across all fields of architectural design, have helped architects in giving shape to their creative process. The latest three-dimensional BIM softwares have made it a breeze to design complex and sophisticated building structures. Curved forms like arches, domes, vaults, and spheres are not only stronger, but also more efficient and economical than their rectilinear counterparts. The radical transformation in building design is also putting a simultaneous ripple-effect on other design fields like furniture, lighting, textile design, landscape and interior design.

A Natural Art Form
Organic architecture puts a building in a continuous logarithmic spiral where open-space platforms are suspended from a central mast by cables. The spaces appear to float over each other as if defying gravity. Inspired by the natural symmetry and non-linearity found in nature and organisms, organic architecture is characterized by visual poetry and idiosyncrasy. And in tune, it embodies a harmony of person, place, and materials. 

Organic architecture oozes a surreal free-spirit and is surprising due to its multiple facets. A break-off from static symmetry for embracing the dynamic irregularities found in Nature. Reference architectural evangelist.

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4D construction simulation helps in delay monitoring.

4D construction simulation helps in delay monitoring

4d-construction-simulation
4d construction simulation

Being one of the largest and significant industries, Construction industry has a main role in determining the gross domestic product (GDP) of many several advanced countries. This unique industry exists in a dynamic environment and therefore itself it faces lots of changes, conflicts and complexity of communications, which will result in the delay and sometimes the failure of the project. Here comes the significance of BIM, as it can assist in creating a traditional delay analysis method. As this method is easy to perform and deliver its message, the problems between all involved parties can be solved earlier.

Understanding the benefits of BIM, several construction firms are now starting to invest in BIM technologies during all stages like preconstruction, bidding, construction and post construction. Therefore, owners need BIM service from everybody involved in a project including construction managers, architects and engineering firms.

“The article aims at understanding current applications of BIM in different disciplines and to comprehend how “Design to Build” and “Build to Design” concepts can be implemented along with focusing on 3D and 4D construction simulation.”

High level of communication and collaboration environment is the most advantageous of BIM. It can cover all aspects of a construction project by incorporating every parameter like time (4D) and cost (5D). AEC uses BIM services in several application areas such as photorealistic rendering, virtual design review, cost estimating, analyzing design alternatives, analyzing execution methodologies and project document production. A categorized framework has been established for eD/4D models areas of applications into three key phases such as design, shaping and construction.

Delay analysis using 4D simulations

Professionals and Forensic delay analysts must become more aware of the capabilities of 4D implementation in AEC industry, As-Built models should highlighted to industry.

Case Study: Delay monitoring through 4D construction simulation

Execution of multiple projects at the same time, and monitoring the progress of every project is intimidating. The project owners are very keen to use technology to assist them in monitoring progress remotely.

Monitoring delays in execution is another plus of BIM implementation that is achieved. Simulating the construction activity for planned and actual dates and highlighting these to the client and project team ensures that execution delays are minimal. The clients are able to monitor the execution remotely on multiple projects

The project plan (from Primavera) is linked with the BIM model. To the 3D model the 4th dimension of time is added and the construction simulation for every activity is generated. This linking is done initially for a base line project plan and routinely updated (every 2 weeks) for actual updates to the project plan. Using this, delays are highlighted, the construction sequence is corrected, thus achieving the goals of efficient resources and material management.

4d construction simulation

bim 4d and scheduling

4D  BIM and Scheduling (Time):

Construction planning and management: BIM models include tools for visual depiction of the space utilization of the job site through the entire project construction, which provide a means of verifying site logistics and yard operations. Several temporary components like Lorries, cranes and fencing can be included in the model. It can also incorporate the traffic access routes for cranes, Lorries, lifts and other large items.  Using the tools, we can also enhance the planning and monitoring of health and safety precautions required on-site, when the project progresses.

Schedule visualization: Schedule visualization provides multiple sources of accurate real-time information and using this, the project members can make sound decisions. A chart can be used in the BIM model to show the critical path. The chart also gives visual representation of the dependency of some sequences on others. Advanced BIM models can identify the changes in a design, which will influence the critical path, and indicate the possible corresponding impact of these changes on the overall delivery of the project.

A large project may have more than 100 activities at proposal and schematic stages. While the schedule activities are between 500 and 1000 during design development, it will range from 1000 to 10000 or more during construction document stage. So, it is important to make sure that no information is missing, when the project progresses to the construction document. Reference Bim forum.

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Flexible Ducting Graphics

Flexible Ducting Graphics

By default, we have eight graphical ways to show flexible ducting in Revit. We can either decide to use one graphic for all flexible ducting, or decide to use a specific graphic to distinguish between for example, Standard Flexible Ducting, Insulated Flexible Ducting, etc.

The images below will show what the graphics look like per flex duct instance property.

1. Flex Pattern: Single Line

Single Line
Single Line

2. Flex Pattern: Circle

Circle
Circle

3. Flex Pattern: Oval

Oval
Oval

4. Flex Pattern: Flex

Flex
Flex

5. Flex Pattern: Flex 2

Flex 2
Flex 2

6. Flex Pattern: Curve

Curve
Curve

 7. Flex Pattern: Single Line 45

Single Line 45
Single Line 45

 8. Flex Pattern: Undefined

Undefined
Undefined

Reference  Flexible Ducting Graphics by Herman Solomon.

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Can I get a witness? Autodesk to testify in Washington

Can I get a witness? Autodesk to testify in Washington

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National leaders look to Autodesk Construction team for support and testimony

In just a few days, our very own Stacy Scopano, Sr. Industry Manager, Building Construction, will meet with members of the National Institute of Building Sciences (or NIBS as those in the know like to say).

The hearing, which is being sponsored by Autodesk and supported by the International Code Council, will provide an opportunity for project stakeholders from the planning, design, construction, operations, ownership, and other segments of the U.S. building industry to speak about the productivity and workforce challenges they face and offer potential solutions.

Building momentum

Autodesk’s involvement at the hearing came at the direct request of Ryan Colker, President Barack Obama’s Construction Advisor. Ryan and Stacy both serve on the Board of Directors for the NIBS Offsite Construction Council. Our participation ties in nicely with our overarching thought leadership efforts. Earlier in the year Stacy and colleagues on the construction marketing team helped to draft a survey that drove the publication of the well-received Economist report “Rethinking productivity across the construction industry: The challenge of change.”

To find out more about the NIBS hearing or read about the Off-site Construction Council visit the NIBS home page, or clickhere to read the Economist report. Reference Can I get a witness? Autodesk to testify in Washington by  Julie Jacobson.

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Model Compare

Model Compare

I have recently been asked by a client for the ability to compare different versions of the same model. When I was asked to do this I scratched my head ans said “Oookkk” not really know why and how I was going to do this.

When I started this I asked myself, why would we want to compare models?
-To show the power of BIM. (vague but an answer)
-To see what objects had been deleted in the model (getting a little more to the point)
-To see what objects had changed in the model (getting a little more to the point)
-To see what objects were new in the model (getting a little more to the point)
-To see if the model is following the office standards (Using compare to help with model QC, hmm)

In my research I came across this article written by David light. In this article he wrote back in 2009 he explained different ways to compare models. David talked about using the Autodesk Revit Model Compare add in tool, as well as using Autodesk’s Design Review, and using Adobe Acrobat. Even though the article was written about 6 years ago it is still applicable today in 2015, but now there are a few more process as well.  Today we can use Navis Works to compare models. See Navis works link to see how to do it. The Cad Technology Center (CTC) has a model compare tool which I recently talked a little about. CTC Revit Express Tools:Model Compare

Using Autodesk Design Review, Adobe Acrobat Pro, and or Blue Beam Revu all works the same way. These programs really aren’t comparing models they are comparing two different 2d documents. Don’t think I’m belittling this at all. Comparing the 2d information is extremely import. Having a program highlight and show you what has changed between different versions of the same documents saves a lot of time in finding the changes, good or bad.

Model Compare

CTC’s Model Compare and the Autodesk Model Compare tools are similar in how they work. Both programs look at the databases of multiple models and look for items that are different. CTC’s Model Compare takes a snapshot of the Revit Data base and puts it into a small XML like file, while Autodesk’s Model Compare requires you to open both version of the model to compare the models. Both the CTC and Autodesk Model Compare addin’s create reports that can be brought into Excel. These data centric reports have a lot of information, and generally a lot more information than I would generally use.

Model Compare

Within Navisworks there are two workflows to compare the models. The first method is to use the model compare function within Navis works that works like comparing 2d PDF’s,see  this Navis works link to see how to do it.. The other method is to overlay multiple models on top of one anther. One of the benefits of Navis works is that you can insert multiple files into the same Navis works project. This functionality allows you to insert different version of a model and overlay the models to see the difference graphically. One the different models are in the Navis works project you can change the color of an entire inserted model, not just individual modeled objects. This workflow of overlaying the models I got from one of the engineers I work with at Bridger & Paxton consulting Engineers, who knows Navis works a hole heck of a lot better then I do. Reference Model Compare by  Mathew Miller.

Model Compare

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