Ies File Viewer

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IESviewer (iesviewer29.exe). IESviewer is an application that you can use to visualize photometric data files which are saved in IES and LDT file formats. The photometric data files contain measurements of light beams as they are perceived by the human eye and are widely used by lighting professionals. Contact me if you have any questions about this page or PhotoView photometric viewer. PhotoView is part of a set of services and programs from OxyTech which can be bought with a 10% discount. PhotoView is part of a set of services and programs from OxyTech which can be bought with a 10% discount.

Learn to use Photometric Toolbox®

If you are under 40 there is a good chance you may never have seen a complete photometric report (on paper) from a laboratory. Manufacturers offer their luminaire photometry electronically in IES standard format and have “some” details either online or in a “cut-sheet”. However, if you want to see ALL the information that can be computed from an IES file, you need Photometric Toolbox.

Photometric Toolbox is very easy to use from a software perspective. However, as the topic of luminaire photometry is complex, some of the things you can do with the software might test your knowledge. The software is a great way to learn more about luminaire photometry and your best learning resource when experimenting is the programs’ Help system.

The basic workflow for Photometric Toolbox is as follows:

  1. Open a photometric file (IES, LDT, CIB)

Ies File Viewer Download

    1. Using the open command
    2. Select from the Instabase
    3. Drag-n-drop to the left column
    4. Drag-n-drop on to the desktop icon
    5. Double-click on the file in Windows Explorer (if the default file association has not been changed)
  2. Select the photometric file or files to act upon in the left column of the software by checking the box. You may not want to act upon all open files at one time. You can select them and de-select them as needed when performing actions.
  3. Select an action to perform using the Tool buttons across the top of the software form. All checked files will be acted upon. For example, three files checked will yield three Indoor reports.
  4. Basic reports are Indoor, Road& Flood tools
File
    1. 3D view of the “web” with the View tool
    2. Scaled iso-fc(lux) templates with Template tool
    3. Compare two or three files with the Compare tool
    4. Edit files using the Edit tool
    5. Convert test position or photometric type (B, C) using the Convert tool
    6. Save as another format (IES, LDT, CIB) using Save As…
    7. Create new IES files using the New tool

Watch the Overview video if you have not already done so.

Did your computer fail to open an IES file? We explain what they are used for and recommend software that we know can open or otherwise handle your .IES files.

What is an IES file?

The Illuminating Engineering Society or IES file type is primarily associated with photometric data files. Illumination Engineering Society of North America (IESNA) created the standard file format for electronic transfers of photometric data.

Ies File Viewer

Photometric data files are saved as .ies files, which are composed of light quantities and measurements. They depict lighting intensity and luminosity. IES files are records of measurement of light in terms of perceived brightness to the human eye. They are commonly used by engineers, architects, and 3D game makers.

The .ies files are useful for simulating lighting systems before they are installed on different infrastructures. Furthermore, IES files are likewise useful for the examination of light source illumination for outdoor sites like roadways and parks. It helps engineers and architects determine what light fixtures are best for a specific structure. And since .ies file deals mainly with lighting and photometry data, many 3D programs can open and support this file type in creating computer- aided design projects.

Ies

How to open IES files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension IES for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 7 different IES openers which you will find listed below.