The Building Coder

LLM Prompting, RAG Ingestion and New Projects

New projects and progress using LLMs for Revit API – Add-In wizard 2025 – DirectContext3D video – Rvt-App browses BasicFileInfo – Revit API support prompt – pyRevit scripting prompt – Promptimal prompt optimiser – Jupyter Forge viewer – Superhuman multi-player poker – OpenAI o1 hacks and cheats – Writing Doom short film on superintelligence – Cosmos for physical AI – MarkItDown converts files to Markdown – NV-Ingest parses documents for RAG – Gitingest makes GitHub repos LLM-ready – LangSmith intro and LLM for dummies... Read more →

Determine RVT Version and Add Data from EXE

Determine RVT file version and add extensible storage data from EXE, AI- and tech-related news – Determine RVT file version – RVT file version with RevitExtractor – Add extensible storage data from EXE – Tesla autonomous vehicles and robots – State of AI Report 2024 – Nobel prize for science – AI illiteracy and misuse – The techno-pro attitude – Jevons paradox... Read more →

API Context, Input State and DA4R Debugging

We present a long-awaited solution to check for a valid Revit API context and a whole bunch of short pointers to other mostly AI-related topics of interest – Determining Revit API context – Detect Revit user input state – Easy Revit API – Gemini with image and video input – LLM is not self-aware – Generative AI transformer – Design to reduce junk data – C and C++ are risky – Ultra-processed food is toxic... Read more →

.NET Core, C4R Views and Interactive Hot Reloading

Importing cloud-based APS parameters in desktop project, pondering .NET Core, publishing views the cloud, and hot tips for hot reloading for interactive Revit API testing and debugging – APS parameters API Revit import – .NET Core migration webinar recording – C4R publish view to cloud API – Revit polyglot notebook – Hot reloading in Visual Studio With Dynamo and Revit – Assigning invisible graphics linestyle – ChatGPT system prompt – RIP John Walker... Read more →

Valid Revit API Context, LLM and LTG

Revit API, climate, and AI – Valid Revit API context – Extensible storage in APS – Large language model course – Token-free selective state space model – L'humanité en péril – The limits to growth... Read more →

DLL Paradise and a Fall

APS overview – DLL paradise for Revit add-ins via named pipe IPC – Interprocess communication strategies and best practices – Using named pipes to communicate between different .NET versions – Interactions between .NET 4.8 and .NET 7 – Server / client transmission protocol – Connection management – Two-way communication... Read more →

OptionsBar and Bye Bye to DA4R 2018

A great new open-source productivity enhancement tool making use of the built-in OptionsBar provides handy access to frequently used information, utilities, element selection options and more, and a reminder of the deprecated DA4R Revit 2018 engine... Read more →

Resx Language Management and APS DevCons

The Autodesk Platform Services APS Developer Conferences are coming up, and we all need to deal with application localisation and i18n issues – Resx language management – Ribbon panel localisation – Creating the localised WinForms... Read more →

Docs, Lookup, MEP Calculation and APS DevCon

Good news on APS and the Revit API for the weekend – APS DevCon in Munich and SF – Forma for AEC – RevitApiDocs supports Revit 2024 – RevitLookup 2024.0.8 – User MEP calculation 2024 – Wastewater pipe calculation – The password game... Read more →

Nice Accelerator and Compiling the Revit 2024 SDK

APS cloud accelerators in Nice and Medellin – Compiling the Revit 2024 SDK samples – Visual introduction to machine learning... Read more →

IFC, Dimension and Reference Intersector with Links

Pros and cons of the reference intersector and how to use it with linked files and filtered element collectors, a design automation IFC exporter, dimensioning linked elements using the reference stable representation and new forays with large language models – Reference intersector with filters and links – Revit IFC exporter for APS DA – Stable representation voodoo with links – Running Dalai LLaMa locally – ChatGPT invented a game... Read more →

Lookup Ideas, Jigs and ACC Docs Access

A request for new ideas for enhancing RevitLookup, implementing a pickpoint rubber band and opening BIMs on ACC Docs – Request for RevitLookup ideas – Transient elements for jig – Opening a model in ACC Docs – Stop using JPEG – Stop using voice id... Read more →

APS, Nairobi and NetTopologySuite

I am writing this in Nairobi, Kenya, getting to know the team here; also, the new APS landing page just went live, and Benoit points out a useful geometric modelling library to help power your Revit add-in – DAS team in Nairobi, Kenya – NetTopologySuite in Revit add-ins – New APS landing page – You can create RVT using APS... Read more →

APS Accelerator and Reloading a Purged Family

New date for the Dublin onsite APS accelerator and hints on reloading a purged family – APS accelerator Dublin Dec 5-9 – Reloading a purged family – The CSS OKLCH colour space Read more →

Unit Test Your Revit Add-In

The Building Coder blog standalone on GitHub, APS accelerator in Dublin, AU announcements, learning Revit API, retrieving all fabrication item materials, Revit add-in unit testing, AI-generated code, podcasts, news and more... Read more →

APS, AU, and Miter Wall Join for Full Face

Autodesk University 2022 is in full swing and brings exciting news. Meanwhile, the Revit API discussion forum continues unperturbed with other equally exciting conversations and solutions – Forge is dead; long live APS – Forma for AEC – Linked element visibility – Visibility of a specific element in a view – Miter join walls to retrieve full faces... Read more →