IFC Coordinate Reference Systems and Revit

BIM projects have to specify Coordinate Reference Systems and their relationship to surveyed points and project origins in order to reliably geolocate geometry. I describe how this works with IFC, and the current state of compatibility with Revit. - for the full article please visit the website.

Point cloud mesh reconstruction with metaballs

3D scanning results in a point cloud which often needs to be converted into a closed mesh surface. In this article I propose a new technique of mesh reconstruction using metaballs. - for the full article please visit the website.

Closure

zlg
, 13/05/2019 | Source: zlg.space

This blog is closing on 2019-06-01. Please update any trackers, feed readers, or bookmarks that you need to, at your leisure.

Robotic wire cutting toolpath generation with Blender

Most toolpath generation focuses on minimising material wastage, tool wear, and robot movements. This article describes an alternative approach that uses the U/V direction of a surface, its edge loops, and edge rings, to intuitively describe a toolpath. - for the full article please visit the website.

Photorealistic rendering with Radiance

Radiance is rarely used for photorealistic rendering. This case study of rendering my living room demonstrates that it is possible to be both aesthetically believable and scientifically accurate. - for the full article please visit the website.

Creating grass and plants in Radiance

Radiance is seldom used for rendering detailed vegetation such as grass and plants. I introduce how to use common CG techniques to still achieve photorealistic grass in Radiance. - for the full article please visit the website.

Ten Smiles, an Android app to remind you to smile

Ten Smiles is a small, free, Android app that reminds you to smile 10 times each day. I wrote it for fun a few years ago. - for the full article please visit the website.

How to bulk convert PDFs to DXF or DWG

Inkscape and pstoedit can be used to convert between PDF, EPS, DXF, and DWG on the command line. This is very useful when bulk file conversions need to be done. - for the full article please visit the website.

The ethical implications of OpenBIM

OpenBIM is an initiative to promote the use of open data in the architecture, engineering and construction industry. I describe how using OpenBIM has positive ethical implications. - for the full article please visit the website.

Free intervals sheet music

Intervals are a fundamental concept in learning music. This free downloadable sheet music helps give examples and illustrates the relationships between notes. - for the full article please visit the website.