The Building Coder

Outer Walls, Lookup Update and Filtering

Freshening up a few of our favourite recurring topics – RevitLookup update – Filtering for multiple built-in categories – Retrieving all outer walls – Zen and the art of React programming... Read more →

Corridor Skeleton, Copy and Paste API

An urgent request for feedback from the Revit development team and an especially interesting thread from the Revit API discussion forum – Copy and paste API Feedback – Corridor skeleton... Read more →

Parameters, Snippets, Batch Mode and Self-Signing

Test run the Revit 2023 parameters service cloud – Roll your own verified publisher – Revit API code snippet repository – Batch processing and monitoring progress... Read more →

Structural Questions and the Future of REX

We ponder some structural rebar questions and the future of the REX structural Revit extensions included with the Revit SDK – Future of REX – Rebar API questions – GetCustomDistributionPath – Number of segments – IsRebarInSection... Read more →

Analysis of Macros, Journals and Add-In Manager

Looking at Revit macro usage, add-in manager debug/trace functionality and journal analysis in Python and Dynamo – Revit macro study shareback – Add-in manager with debug trace – Journal file analysis – Plugging the HSL colour format... Read more →

Revit 2023 API Docs and Disabling an Error Failure

We continue updating all systems the new release and take a deep dive into the mysteries and pitfalls of the Failure API – RevitApiDocs support for Revit 2023 – Migrating add-ins to Revit 2023 – Disable failure with error severity... Read more →

Forge Data Days and JoinGeometryUtils

Finally a chance to meet and learn live about Forge, the updated developer's guide and a nice JoinGeometryUtils sample – Revit 2023 developer's guide – Forge Data Days – Obtaining closed loops for joined element parts – Create and style your QR code – La Serre greenhouse wheelbarrow ballet... Read more →

Unique Id and IFC GUID Parameter

We take yet another look at element ids and maintaining connectivity with IFC GUIDs – Linking IFC export with modified BIM – You cannot control the unique id – You can control the IFC Export GUID... Read more →

TBC Samples 2023 and the New Structural API

Migrating The Building Coder samples, I encountered the same problems as others trying to update obsolete structural API code, so let's take a look at some resources assisting us in that area – Not migrating the derived analytical model – Revit 2023 Structural API... Read more →

What's New in the Revit 2023 API

The Revit 2023 API contains many exciting enhancements for add-in developers – Information sources – What's new in previous versions – Detailed table of contents – API Changes – API Additions... Read more →

Compiling the Revit 2023 SDK Samples

I log my work compiling the new Revit 2023 SDK and setting up RvtSamples to load the external commands – Update the RevitSdkSamples repo – Set the Revit API references – Eliminate processor architecture mismatch warning – Set up RvtSamples – DatumsModification – ContextualAnalyticalModel – CivilAlignments... Read more →

Revit 2023 and RevitLookup 2023

Revit 2023 has been released, including the Revit 2023 SDK, and so has RevitLookup 2023... Read more →

Revit Macro User Survey

We invite all Revit Macro users to take a short survey... Read more →

Purge Unused and the Autodesk Camel

We return to the topic of programmatic purging and learn the history and latest news about the venerable Autodesk Camel – Purge unused using eTransmitForRevitDB.dll – The Autodesk office Camel – Node.js reference architecture... Read more →

RevitLookup, WPF, Preventing Modification

Different approaches to prevent modification of certain elements and the latest news on RevitLookup – Prevent modification – RevitLookup updates – RevitLookupWpf – Pilcrow... Read more →

Drilling Holes in Beams and Other Projects

I am working on a few side projects and proofs of concept for my own and other teams – RvtParamDrop exports visible element properties – RvtLock3r validates BIM element properties – Drilling holes in beams... Read more →

ACC Summit, Model Properties, Copy Relationships

We take a look at maintaining relationships between Revit elements when copying, at ACC, the Autodesk Construction Cloud, and its APIs – ACC Model Properties API – ACC integration partner summit – Maintain relationships copying elements – Unsplash with free images... Read more →

Purge Unused and eTransmit for DA4R

Today, we return for a summary and a new, deeper look at a recurring topic – eTransmit documentation – Purge via performance advisor – eTransmit functionality in DA4R – Updated Autodesk Revit IFC manual – AI solves programming tasks... Read more →

Utility Classes and Constraining Stirrups

Taking a look at yet another overlooked Revit API utility class, rebar constraints, and learning basics of power, energy, entropy and information – ParameterFilterUtilities – Constrain stirrup to host cover – Rowers illustrate power and building energy – Wordle entropy and information... Read more →

Getting Started Once Again

Welcoming my new colleague Carol leads to a renewed look at getting started – Access permission to load my first add-in – My first Revit plug-in todo – Books on Python for Revit Dynamo – pyRevit saves insane amounts of time – Newtonsoft Json.dll version conflict – Lost in the World by Steve Cutts... Read more →

Add-In Manager, FormulaManager and Tiger Year

Exciting news around debugging and loading add-ins and adding formulas and scripting support to your own apps – Open source Add-In Manager – FormulaManager and scripting support – Happy New Year of the Tiger 虎... Read more →

Detailed 2D Text and Other Element Geometry

The 2D custom exporter provides a basis for a new and much more powerful approach to access detailed 2D geometry – Retrieve dimension text height and width – Determine text font geometry – Retrieve 2D geometry of any element... Read more →

Happy New Year with RevitExtensions

Off we go into a new adventurous year of BIM programming – Happy New Year – RevitExtensions... Read more →

RevitTemplates Update 1.7.0

Feedback appreciated on RevitTemplates update 1.7.0... Read more →

Symbol, Instance, Material, Data, Journal, Break

We close this year with an eclectic mix of topics – Symbol vs instance geometry clarification – Create new material with texture – RVT dashboard data access – Marking and retrieving a custom element – Advanced remote batch command processing – Midwinter break... Read more →

Logging and Monitoring Deleted Data

Useful insights on logging and monitoring – Monitoring with SLOG – Monitoring deleted elements – How to Favicon – Decentralised autonomous organisations – Palindrome and ambigram... Read more →

Revit Server and View Filter Alert

Non-API Revit Server access, exporting Outlook email text, and using a view filter to alert to missing data... Read more →

Installer Asset, FormIt and Quaternions

Notes on FormIt and its JavaScript API, the new automatically generated RevitLookup MSI installer asset, transformations and quaternions – FormIt API and geographical context – RevitLookup MSI installer asset – Transform and quaternions... Read more →

New Analytical Model API

Important news coming for structural developers, further development in RevitLookup, notes on extensible storage and JavaScript – New Analytical Model API – Praise for modeless RevitLookup – Benchmarking generic Any versus Count – Escape RevitLookup – Use extensible storage carefully – jQuery is widespread but outdated... Read more →

WallCrossSection Renaming in the Revit 2022.1 API

Breaking news from the Revit development team on the WallCrossSection to WallCrossSectionDefinition renaming in the Revit 2022.1 API update... Read more →

What's New in the Revit 2022.1 API

The Revit 2022.1 API includes some important enhancements addressing new Revit product functionality and developer wishes and requests – Information sources – What's new in previous versions – Diff to the Revit 2022 SDK – API additions... Read more →

Revit 2022.1 SDK, RevitLookup Build and Install

Exciting news with a lot of changes to RevitLookup and The Building Coder samples – Revit 2022.1 SDK released – WallCrossSection vs. WallCrossSectionDefinition – RevitLookup build and install – Bye-bye lookup builds – The Building Coder samples revamped – Copy as HTML update – Image cleanup and a robot arm... Read more →

Bridges, Regeneration and Modeless RevitLookup

The most exciting RevitLookup enhancement in its entire history, yet another need for regeneration and a great new option for your personal safety – Modeless RevitLookup – Need for regen for read-only parameter – Structural bridge design – Outdoor seatbelt... Read more →

Sci-Fi, Languages and Pipe Insulation Retrieval

Three quick notes on critical and inspiring sci-fi, programming languages and MEP filtering – Pipe insulation retrieval performance – Programming languages to learn – Agency by William Gibson... Read more →

DLL as Resource and Multi-Version Add-Ins

Lots of options to implement multi-version add-ins and examples showing how to store DLL dependencies in your add-in resources – Migration assistant rocks – ExportCncFab 2022 – Multi-version Revit add-in – Deploying a DLL file as a resource... Read more →

Hiding Edges, AU, Roadmaps and Vasa

Numerous exciting announcements leading up to AU this week – Revit roadmap update and AMA at AU – Structural news at AU – Revit category guide – How to hide internal edges of solids – VASA 3D voxel-based architectural space analysis... Read more →

Localised Forge Intros and Apply Code Changes

Today, I highlight our new local language Forge classes and the renewed ability to easily edit and continue while debugging a Revit add-in – Non-mobile after computer crash – Local language Forge classes – Apply code changes debugging Revit add-in... Read more →

Snooping Parts, C# Templates and Python Topics

A neat RevitLookup enhancement, powerful new Revit add-in template, and a couple of Python related topics – RevitLookup handles PartUtils – Nice3point Revit add-in C# template – IronPython hosting in C# add-in – Python 3, CPython, pyRevit and Dynamo... Read more →

Kfpopeye Open Source, AVF and Other Cleanup

Open source projects that help clean up parameter values, the Revit model and other operations, an important AVF cleanup required to prevent crashing, and some youngsters cleaning up some cash – Kfpopeye open source projects – AVF result clean-up before design option switch – Young teen and kid sister crypto entrepreneurs... Read more →

View Sheet from View and Select All on Level

Increasing numbers of of Python and Dynamo oriented topics in the Revit API discussion forum, and a final deprecated API clean-up – The Building Coder samples clean – Retrieving all elements on level – Get ViewSheet from View – Fabrication transaction in Dynamo... Read more →

Nina and a VS Revit Add-In Extension

Two useful community contributions and some thoughts on global warming – Nina for Revit – The BIMdev VS extension – The Economist on climate change – We are the weather... Read more →

Revit Roadmap, API and DA4R Survey

Opportunities to provide feedback on the Revit product, the Revit API and the Forge Design Automation API for Revit – Revit public roadmap update – Revit and DA4R API survey 2021 – MacOS Big Sur upgrade – The Economist on ransomware and cybersecurity... Read more →

Triangle Count, New Floor and Slab Creation

Getting back into the flow after my summer break – Model polygon or triangle count – Floor creation API clarification – Dynamo Studio EOL – My solar power project... Read more →

Autodesk University 2021, Python, Fuzz and Break

AU registration is open, fuzzy comparison is important for real numbers, Python learning material and time for a break – Autodesk University 2021 open and free – Real number comparison requires fuzz – Getting started with Python – Vacation time... Read more →

Collaboration, Dockables, Railings, Pop-Ups, ILSpy

An invitation to the upcoming AEC collaboration webinar and overviews over dockable panels, dialogue handling, decompilation and railing geometry – AEC collaboration webinar – Dockable panels and WebView2 – Dismissing Revit pop-ups – Check API changes using decompilation – Railing geometry... Read more →

Installer, List of Failures, Adjacent Rooms and Walls

We discuss enhancements to RevitLookup, a list of all built-in Revit failures, and a neat utility to determine all room-wall adjacencies – Adjacent rooms and walls – List of all built-in failures – Recent RevitLookup updates – RevitLookup installation... Read more →

Topo from Lines, Asset Keyword and Regeneration

Two Revit API discussion forum threads reinforce the ever-present need to regenerate, the development team clarifies access to various asset keyword properties, and Harry Mattison shares a free tool to create and update a toposurface from a set of model lines – Asset keyword access – Modifying group requires regen – Modifying part material requires regen – Topo from lines... Read more →

Painting Stairs and Shooting for the Beams

Two Revit API discussion forum threads that I am currently involved in – Painting stairs – Ray tracing vs bounding box to find beams intersecting columns... Read more →

ForgeTypeId and Units Revisited

A few new aspects of the Revit 2022 unit handling API and ForgeTypeId usage – FixtureUnit ParameterType – Revit 2022 unit handling API in Dynamo – String values for Forge units – Unit conversion without knowing – How will we live together?... Read more →

Flip, Mirror, Transform and Transient Graphics

How are reflections like flip and mirror reflected in the BIM element transform? – Transient elements hack – Temporary incanvas graphics API video – Shared versus non-shared parameter creation – Direct PDF export and DA4R... Read more →