I have probably asked developers for reproducible cases a couple of thousand times by now. Let's discuss that and also return to the topic of how to research a Revit API problem in general. Finally, I'll point out a Revit 2017 API MEP electrical feature. Oh, and I continued my research into deep learning for a Revit API question answering system – Creating a reproducible case may well solve the issue at hand – How to research to find a Revit API solution – Access to cable tray and conduit settings – Getting started implementing a question answering system – First impression from IBM Bluemix – Open source QAS options – Building a Revit API ontology... Read more →
January 12, 2017
January 11, 2017
AU in London and Deep Learning
I took a first look at deep learning for question answering systems. Before that, I share some news on AU in Europe, thoughts on UI and innovation, and point out a useful Revit API feature for converting a Hermite spline to Bezier – Autodesk University in London – Rules of thumb for change agents – Invisible user interfaces – Conclusions from lexical analysis of top news stories – Converting a Revit Hermite spline to Bezier or NURBS – Lots of literature on deep learning... Read more →
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January 10, 2017
RevitLookup Supports Spot Dimension and Escape
RevitLookup sports two new useful enhancements since adding support for the NuGet Revit API package in mid-December
– Close all forms using the Escape key
– Support for spot dimension...
Read more →
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January 09, 2017
Distances, Switches, Kiss-ing and a Dino
I continued my activity in the Revit API discussion forum and had lots of interesting discussions there. One recent thread caused me to bring up a favourite topic of mine, on keeping things simple. I'll also mention two other less recent recurring questions – Distance between two points in a specific direction – Revit command-line switches – Keeping things simple with the Revit API – Dino pondering lengthening days... Read more →
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January 02, 2017
Happy New Year, C++, Crypto and Content
Happy New Year to one and all! I had a great break over Christmas and New Year and hope you did as well. I continued checking into the Revit API discussion forum throughout and had several interesting discussions with the busy souls hanging out there – C++, audio, crypto and security – Prayer of the Mothers – Avoid remaking CAD content... Read more →
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December 20, 2016
NuGet Revit API Package
Most of the work of the year has been done, and it is time to settle down and clear out for the new. Tomorrow is the winter solstice, followed by Christmas and Yuletide, ending with the Twelfth Night. For me, this is a time of retreat, calm, reflection, and renewal of energy. Today brings a nice gift from Andrey Bushman – NuGet Revit API package – RevitLookup using the NuGet Revit API package – Creating a NuGet package from assembly DLLs – More NuGet packages... Read more →
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December 15, 2016
Viewport Bring to Front and C++ Revit Add-In
Two topics today, on reordering viewports to determine their respective occlusion, and setting up a C++ Revit add-in project – Bringing a viewport to the front – Change the draw order of a viewport (bring to front) for cases when you need to use simplified duplicate of the same view for background, e.g., ceiling grid for example – Code clean-up – Setting up a Visual Studio C++ Revit add-in project... Read more →
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December 14, 2016
Forge Formats Python Script and IFC Open Shell
I went back to answering way too many questions in the Revit API discussion forum yesterday. However, two other interesting topics also cropped up when I finally let go of that pastime, and I just finished a good book – The Sellout by Paul Beatty – IFC Ids and Open Shell – Forge Python scripts – py_forge_formats.py – forge_authenticate_app – forge_formats – jprettyprint – Mainline... Read more →
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December 12, 2016
Parameter Definition Overview
I am happy to present a pretty comprehensive overview and explanation of the process of defining a shared parameter by Scott Conover.
Question: What do I need to do to programmatically create a shared parameter? I would like to set the SetAllowVaryBetweenGroups flag on it.
Answer: You create the details needed to define a shared parameter from ExternalDefinition.
Existing shared parameter file entries can be read to become an ExternalDefinition in your code, or you can create a new entry in the current shared parameter file using the DefinitionGroup.Create method...
Read more →
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December 09, 2016
Need for Regen and Duplicate Parameter Access
A Python Revit API question on renumbering viewports helps highlight two separate important programming aspects; I also add some other notes from the Munich Forge accelerator – Question – The need to regenerate – Use built-in parameters to access parameters – Forge accelerator and outage report – Added materials to 210 King model... Read more →
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December 08, 2016
Restoring a Missing Project Information Element
Some people have recently reported that they encountered models lacking the ProjectInfo project information singleton element.
Apparently, it was possible in previous versions of Revit for a faulty or malicious add-in to simply delete this element.
That obviously causes problems for other add-ins and Revit itself, who rely on its presence.
Luckily, it is not hard to fix.
Here is the latest discussion addressing this issue...
Read more →
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December 07, 2016
Determining Views Showing an Element
The topic of how to determine all views in which a given element is visible has been discussed several times on the past, and a couple of viable solutions have been suggested.
However, for large projects, performance becomes an issue.
This question was raised again by Abba Lustgarten and Erik Eriksson in the Revit API discussion forum thread on finding views in which an element is visible (by geometry or actual visibility), with Erik sharing a View extension method IntersectsBoundingBox that helps alleviate the performance impact...
Read more →
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December 05, 2016
Material Shared Parameters and ADN Xtra Labs
How to attach a shared parameter to Material elements?
– Updated ADN Xtra labs to remove all deprecated API usage
– A new addin that creates and populates a shared parameter to provide material information for each element
– Autodesk University 2016 class materials have now been posted, including the recording of my session on connecting desktop and cloud
– Linking Material elements to external database entries
– Binding a shared parameter to elements
– Attaching a shared parameter to Material elements
– Create and populate a shared parameter ForgeMaterial
– Cornelius story – cured by natural remedies...
Read more →
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November 30, 2016
BIM 360, Docs, Issues, Forge, DevDay and Accelerator
Good news on BIM 360 itself, Docs, Issues, and high time to prepare for the DevDay conference and accelerator next week – BIM 360 and C4R Success Story – Forge Web Services – BIM 360 Docs – The Forge Issues Service API – 24 Forge DevCon Presentation Recordings – Forge Hackathon Webinar Series Recordings – DevDay Europe and Forge Accelerator in Munich... Read more →
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November 23, 2016
Using Other Events to Execute Add-In Code
The Revit API is very simple.
It is entirely event driven.
Any and every use of the Revit API requires a valid API context.
The most common and obvious way to get into a valid Revit API context – and the most commonly used event – is the one to launch an external command, which calls the IExternalCommand Execute handler method.
Other important ones to be aware of are ApplicationInitialized and DialogBoxShowing, unconnected with any external command at all...
Read more →
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November 21, 2016
1500 Posts, DevDay and Storing a Dictionary
Welcome to The Building Coder post number 1500! I returned safe and sound to Europe from Autodesk University 2016 in Las Vegas and recuperated from jetlag over the weekend. Today I discuss upcoming events, new simple samples to embed a Forge viewer in a web page or blog post, and strategies to embed a dictionary into the Revit database – DevDay Europe in Munich – AEC Symposium in New York – Embedding a Forge viewer – Storing a dictionary in the Revit database... Read more →
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November 16, 2016
AU Day Two, IFC and Revit API Panel
The second day. I finally got to attend Angel Velez' IFC class – it always clashed with my own in previous years – followed by the product keynote and the Revit API panel discussion – Angel Velez on IFC – Product keynote – Revit API panel – Panel members – Questions and answers – Notes from previous Revit API panel sessions – Session materials... Read more →
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November 15, 2016
AU Day One, Keynote and DevLab
Today Autodesk University started up for real. For me personally, the morning was occupied with booth preparation, the exciting keynote presentations and the afternoon DevLab Q&A – Autodesk University Keynote – Jeff Kowalski, CTO – Machine learning – Generative design – Virtual reality – Robotic systems – Exciting times – Guest Speakers Christian Benimana and Anna Nixon – Carl Bass, CEO – DevLab – Forge Pricing – Cl3ver, Chaos Group and V-Ray... Read more →
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November 14, 2016
DevDay Conference at Autodesk University
Yesterday afternoon, I checked into the Venetian hotel for AU and the preceding DevDay conference – Desert day and night versus hotel morning – DevDay general session and Forge – AEC breakout – Revit API news, roadmap and idea station – BIM 360 – InfraWorks 360 and Civil 3D – Forge's first birthday party... Read more →
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November 09, 2016
What's New in the Revit 2017.1 API
I recently mentioned the updated Revit 2017.1 SDK and its API enhancements. They are documented in full detail in the section Major additions to the 2017.1 Revit API of the Revit 2017.1 API help file RevitAPI.chm included with the SDK, which is also provided there in the separate stand-alone document Revit Platform API Changes and Additions.docx. For convenient, easy and effective web searching, here is the online version of that information...
Read more →
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November 03, 2016
BIM@TuDa, DevDays, Forge News and More Events
I am in Darmstadt preparing the Forge and BIM presentation and hands-on workshop at Technische Universität Darmstadt, Institut für Numerische Methoden und Informatik im Bauwesen, the institute for numerical methods and computer science in the construction industry at the technical university here. Many other larger events are coming up after this – BIM@TuDa agenda – Getting started with Dynamo – Forge news – New Forge resources – Forge events and community – DevDays – Developer Day conferences and accelerators... Read more →
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November 02, 2016
Roomedit3dv3 Diff from Forge Boilerplate Code
I am preparing the Forge and BIM presentation and hands-on workshop this coming Friday at Technische Universität Darmstadt, Institut für Numerische Methoden und Informatik im Bauwesen, the institute for numerical methods and computer science in the construction industry at the technical university in Darmstadt. Now I prepared a detailed analysis of the exact changes I made to the forge-boilers.nodejs boilerplate code to implement the roomedit3dv3 sample connecting BIM with the cloud
– Comparing the root folder contents
– Comparing the Forge node.js boilerplate
– Starting fresh from scratch
– Copy, install and load the viewer extension
– Adding the link to load the viewer extension
– Renamed viewer extension base and toolkit js modules
– All Viewer Extension Modifications
– Successful test and final diff – 25 lines of code...
Read more →
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October 31, 2016
AU, Revit 2017.1 SDK and REX FreezeDrawing
I returned from the Munich Forge accelerator, travelling back to Switzerland by train. For ecological reasons, I prefer to avoid flying whenever I possibly can. Last Friday was the deadline for submitting my Autodesk University handout, so that kept me busy. I still need to improve it a bit, and I hope a post-deadline update is feasible. I am presenting two classes, and I have a special discount to offer you. Lots of other things are happening as well – My classes at Autodesk University – $400 AU registration discount – Revit 2017.1 SDK – REX SDK FreezeDrawing sample – Determining the height of a column... Read more →
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October 27, 2016
AI, Edit and Continue
I am still in Munich supporting the one-week Forge accelerator workshop, returning back to Switzerland by train tonight. For ecological reasons, I prefer to avoid flying whenever I possibly can. Lots of exciting development is going on here, and we are making great progress. I have another important detail to report from the the RTC Revit Technology Conference Europe in Porto last week, and other little titbits to share as well – Use AddInManager and attach to process to edit and continue – Can I replace myself by artificial intelligence? – Autodesk Design Graph – Artificial intelligence recognises conversational speech – Good portable loudspeakers... Read more →
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October 26, 2016
Revit Future Direction and Public Roadmap
Here I am in Munich, supporting the one-week Forge accelerator workshop – Pizza and Isar – Public Revit Roadmap – Revit Idea Station – Revit Today and Tomorrow... Read more →
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October 24, 2016
How to Create a New Line Style
I arrived safe and sound in Munich to provide support for the one-week Forge accelerator workshop at the Autodesk offices here – Arrival in Munich and Hotel Schlicker – Official pictures from RTC in Porto – Art of README – What is Join? – How to Create a Line Style... Read more →
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October 22, 2016
Revit API Connecting Desktop and Cloud @ TUDa
The RTC Revit Technology Conference Europe and my stay here in Porto is nearing its end – Wrapping up in Porto – Connecting BIM and Cloud @ TUDa – Creating a Revit add-in with one single click – Connecting Revit and Forge in 55 minutes... Read more →
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October 21, 2016
RTC Revit API Panel, Idea Station, Edit and Continue
This morning saw some lively discussion in the Revit API Panel at the RTC Revit Technology Conference Europe – Panel Members – Questions and Answers – Notes from Previous Revit API Panel Sessions – Session Materials... Read more →
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October 20, 2016
Connecting Desktop and Cloud RTC Material
I am in the last stages of preparing my presentation this afternoon on connecting the desktop and the cloud for the RTC Revit Technology Conference Europe. For your and the audience's convenience, here are the materials I am presenting, and some of the main links to further information – Handout – Slide deck – Recording – Samples Connecting Desktop and Cloud... Read more →
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October 19, 2016
Forge Formats, Webinars and Fusion 360 Client API
I updated the WebGL and Forge introduction for BIM programming and its GitHub source for the presentations in the coming days at the RTC Revit Technology Conference Europe and the ISEPBIM Forge and BIM workshops at ISEP, in Porto, implemented two little curl wrapper scripts to help me list the supported file formats, explored why they changed and updated the hackathon webinar overview. Before getting to that, I'll also highlight a helpful note by Christian on how to access the 'Symbolic Representation' setting
– 'Symbolic Representation' setting parameter
– Forge intro for BIM programming
– cURL wrapper scripts to list Forge file formats
– Updated Forge file formats
– Forge hackathon webinar series and Fusion 360 Client API recording...
Read more →
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October 18, 2016
Cool Forge Demos and Roomedit Caveat
Getting ready to present an overview of Forge and talk about connecting the desktop and the cloud at the RTC Revit Technology Conference Europe and the ISEPBIM Forge and BIM workshops at ISEP, the Instituto Superior de Engenharia do Porto, Jim Quanci very kindly supplied an updated list of really cool demo sites, plus a word of warning: – Cool Forge demos – Caveat on connecting desktop and cloud... Read more →
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October 17, 2016
Token Expiry and Online Revit API Docs
My vacation ended and I am now in Porto, putting the last touches to my presentation material for the RTC Revit Technology Conference Europe and the ISEPBIM Forge and BIM workshops at ISEP, Porto University. Here are today's Revit API and Forge news items – Updated Online Revit API Docs – Handling Forge token expiry... Read more →
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October 09, 2016
DirectObjLoader for Revit 2017
Here is a last quick Sunday morning post before I head off on vacation, on the DirectObjLoader migration to Revit 2017, handling the changes in DirectShape.CreateElement and TessellatedShapeBuilderResult...
Read more →
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October 07, 2016
Material Asset Textures, Forge Webinar Recordings
Today is the last day before my one-week vacation, directly followed non-stop by the ISEPBIM Forge and BIM workshops at Porto University, the RTC Revit Technology Conference Europe, and the Forge Accelerator in Munich. Before leaving, here is a note about another recording of the Forge webinar series and a happy resolution of a recent material asset texture related Revit API issue: – Forge webinar series and BIM360 recordings – Listing material asset textures and sub-textures... Read more →
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October 06, 2016
Need to Commit Twice, Roomedit3dv3 and Forge
Lots of exciting news for today, like every day, once again on the pure Revit API, connecting the desktop and the cloud, and Autodesk Forge – Isolating an element in a newly created view requires two transactions – Forge research enquiry – Connecting desktop and cloud – Roomedit3dv3 live – Could you demo this remotely? – Connecting desktop and cloud draft handout – Table of contents... Read more →
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October 05, 2016
Forge Webinars on Design Automation and BIM360
The Forge webinar series continues. The recording of session 5 on the Design Automation API held by Albert Szilvasy is now available. For code samples on Design Automation, please refer to Albert's tutorials and the Developer-Autodesk Forge Platform samples on GitHub, filtering for Design.automation...
Read more →
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October 04, 2016
Roomedit3dv3 Up and Running with Demo Recording
I completed the roomedit3dv3 project
– Enhancements to the Forge Node.js boilerplate code
– RoomEditorApp Revit add-in update
– Roomedit3dv3 demo recording
– Samples connecting desktop and cloud
– Forge Webinar Series 5 – Design Automation API...
Read more →
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October 03, 2016
Retrieving and Broadcasting the Roomedit3dv3 Translation
As I discussed last week, the translation tool emits info about its activity via socket.io. Now I want to pick up that information higher up, in the viewer transform extension, and relay it to the node.js web server or broadcast it to the rest of the world. The existing sample call to emit is inside onTxChange, which is called on each mouse move. We do not need to track each mouse movement in such fine detail...
Read more →
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September 30, 2016
Solid From Bounding Box and Forge Webinar 4
I submitted the handout for my presentation on connecting the desktop and cloud for the RTC Revit Technology Conference Europe in Porto next month. I still have to finish my work on the roomedit3dv3 sample to demonstrate connecting the desktop with the cloud by enabling a real-time round-trip modification of the BIM via the Forge viewer; yesterday I integrated the transform viewer extension; now I have to hook up the socket.io messaging back to the Revit add-in to update the BIM
– Create solid from bounding box
– Forge webinar series 4 – Viewer...
Read more →
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September 29, 2016
Warning Swallower, Roomedit3d Viewer Extension
I continue my work on the roomedit3dv3 sample connecting the desktop with the cloud by enabling a real-time round-trip modification of the BIM via the Forge viewer, mention a neat solution enabling a Revit add-in to swallowing warning messages, and point out the Forge webinar session on the Forge Viewer later today
– Warning swallower
– Roomedit3dv3 transform viewer extension
– Forge webinar series...
Read more →
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September 28, 2016
Roomedit3d Broadcast, Teigha BIM, Forge Webinar 3
My discussion with Philippe on integrating roomedit3dv3 with the rest of his Forge node.js boilerplate samples continues, as does the Forge hackathon webinar series. Furthermore, the Open Design Alliance made an interesting Revit related announcement
– REST vs WebSocket and Roomedit3dv3 broadcast architecture
– Teigha BIM announcement
– Forge webinar series...
Read more →
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September 26, 2016
Flipping a Section View and Forge Webinar 3
I already created a starting point for the new roomedit3d incarnation last week, in its own repository. This week, I agreed with Philippe to retain the new project in an own branch within the Forge boilerplate code sample collection. Hopefully, that will simplify keeping my BIM sample synchronised with any future updates make to that. Now I need to get started implementing and testing the actual viewer extension functionality itself. My main topic today is something different and purely Revit API oriented, besides the next Forge session – Flipping a section view – Forge webinar series... Read more →
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September 24, 2016
The Birth of Roomedit3dv3 and Forge Webinar 2
I made my choice on the starting point for the new roomedit3d incarnation, and the second Forge webinar was successfully held
– The birth of Roomedit3dv3
– Forge webinar session 2 on OAuth and the Data Management API...
Read more →
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September 22, 2016
Forge Webinar Series and Roomedit Starting Points
I am still in the initial steps of preparing for my upcoming presentations on connecting the desktop and the cloud and exploring more Forge sample starting points. At the same time, we are in the midst of the Forge and AppStore online hackathon webinars, with one down and nine more to come – More Roomedit3dv3 starting points – Forge webinar series... Read more →
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September 19, 2016
Roomedit3d Update for Connecting Desktop and Forge
As I already pointed out, it is really high time now for me to get started preparing for the upcoming presentations on connecting the desktop and the cloud. Let's look at what I prepared for that in the past, in the recent almost-present for the Forge DevCon in June, and plans for the future – Past connecting desktop and cloud samples – DevCon Forge sample for Freeing Your BIM Data – Roomedit3dv3 starting point – Augusto's node.js sample guidelines and naming conventions – Forge Viewer access to Revit 2D views... Read more →
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September 15, 2016
Avoid CAD Import in RFA, AAG16 and Endtrip
Some interesting topics of the day for this first cloudy one after a truly wonderful Indian summer – Avoid imported CAD content in RFA family definitions – Advances in Architectural Geometry 2016 – Endtrip full sound replacement... Read more →
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September 13, 2016
MacroManager, Materials and Getting Started
I am answering Revit API discussion forum threads and developer cases like crazy. Instead, as usual at this time of the year, I should be focussing and putting higher priority on the exciting upcoming events. I keep promising myself to do so and stop answering cases. Then I address just one more... Here are some of the upcoming events and recent Revit API issues – Events – Forge Accelerators, DevDay, RTC and AU – Accessing the MacroManager to Delete Document Macros – Getting Started and Changing the Colour of a Wall – Getting Started and Using the Visual Studio Revit Add-In Wizard Auto-Installer... Read more →
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September 12, 2016
HoloLens Escape Path Waypoint JSON Exporter
Last week, I worked with Kean Walmsley on his entry for the first global Autodesk Hackathon: a HoloLens-based tool for navigating low visibility environments, resulting in the new HoloGuide Autodesk Hackathon project. My modest contribution is the ExportWaypointsJson Revit add-in, an external application implementing the main command, exporting the waypoints, and a subsidiary option settings command, displaying a form, validating input and storing the user preferences. The main command simply prompts the user to pick a model line in the Revit project, traverses it, determines waypoints at predefined intervals and exports them to JSON for consumption by the HoloGuide visualisation... Read more →
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September 08, 2016
Forge and AppStore Online Hackathon Webinars
For the fourth year in a row, we are hosting an online hackathon. In fact, it already started: the Autodesk App Store Forge and Fusion 360 Hackathon is running from September 1 until October 31. This time, the focus is on building apps using Forge APIs and Fusion 360 and extending the Forge ecosystem. Forge is a development platform – a set of cloud services that connects design, engineering, visualization, collaboration, production and operations workflows for all domains. At this early stage of Forge, many people may be interested in learning more about the Forge APIs with no obligation to publish an app; you are more than welcome to attend the free API webinars... Read more →
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September 06, 2016
Stacked Ribbon Button Panel Options
Topic: a C# .NET Revit add-in demonstrating use of a split ribbon button to access a secondary command, e.g., option settings. In the Revit API discussion forum thread on using a StackButton as a PushButton with options, Allan 'aksaks' Seidel recently proposed a neat UI trick, saying: Perhaps this idea might be usable for others. The StackButton ribbon control is a stack of different PushButton instances where the last used PushButton remains visible to be used again. That visible button is reflected in the stack button's CurrentButton property. Imagine if the StackButton control always shows the first button in the stack, and the other button(s) are secondary to the first button's purpose...
Read more →
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Recent Posts
- Virtuous Reproduction, Research, Settings, Ontology
- AU in London and Deep Learning
- RevitLookup Supports Spot Dimension and Escape
- Distances, Switches, Kiss-ing and a Dino
- Happy New Year, C++, Crypto and Content
- NuGet Revit API Package
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- Forge Formats Python Script and IFC Open Shell
- Parameter Definition Overview
- Need for Regen and Duplicate Parameter Access
