Photometric Information for Photopia

Photopia can serve as a virtual gonio-photometer, creating industry standard .IES and .LDT files. In order to be confident in the results from Photopia, it is important that the analysis be set up correctly. This section covers several topics that are important for accurate output.

There are numerous orientation and angle set conventions that must be considered.

It is important to understand the thermal effects that can occur in fixtures and how to account for these in Photopia.

If you are distributing Photopia-generated photometric files to customers, there are a few things to keep in mind.

Another important part of product development is getting photometry on physical parts. Here is a list of photometric labs.