IESviewer

Version history:

Development was started in 2001

alpha version - october 2001

1.0 - october 2001

2.0 - february 2002
- completely rewritten engine
- new interface, some features

2.4 - april 2002
- render engine
- improved photometric curve preview

2.6 - october 2002
- printing and export to image

2.8 - april 2003
- rewritten engine
- fixed some bugs

2.9 - december 2003
- 3dsmax integration

2.9x - august 2004
- render still beta

2.99n - march 2006
- improved 3dsmax integration
- program installer created (setup exe and msi versions)

2.99p - 15 april 2010
- added thumbnails (render and goniogram)

2.99r - 13 june 2010
- fixed wrong intensity in server mode
- fixed error with some IES files
- added smooth curve interpolation
- added antialiasing interpolation

2.99s - 3 oct 2010
- added export render to png and bmp
- added export photometric curve to png and emf
- improved export photometric curve
- added hiqh quality icons
- fixed small bugs

2.99t - 3 dec 2010
- added windows shell and 3dsmax integration
- new maxscript (all versions of 3ds Max)
- improved speed of file system
- fixed small bugs

2.99u - 17 july 2012
- fixed 3dsmax 2013 integration
- new ies parsing engine (up to 10 times faster)
- minor improvements

2.99v - 1 december 2012
- VRayIES light support (3dsmax connector)
- fixed some rendering issues
- minor improvements

3.0 - 21 november 2013
- New UI elements
- Improved performance
- Fixed some bugs

3.05 - 26 november 2013
- Fixed decimal delimiter bug
- Improved image export processing

3.1 - 23 january 2014
- Fixed memory leak
- Fixed spline interpolation bug
- Improved support for non-English characters in filenames
- Significantly improved thumbnails performance (new preview engine)

3.2 - 23 january 2014
- Fixed some bugs
- Fixed listview quick search

3.3 - 11 november 2014
- Fixed desktop issue
- Fixed exporting multiple files
- Improved exporting options

3.4 - 18 march 2017
- Added option to use Numerical and Literal sorting
- Added option to use same iesviewer for each photometric file
- Added new flat style icons (Integration/Set associations)
- Added total flux of the luminaire
- Added animated splash screen
- Improved thumbnails view
- Fixed absolute photometry issue
- Fixed Windows 10 drives issue
- Fixed and improved integration with latest 3ds max
- Fixed memory leak

3.5 - 10 june 2017
- New save dialog with preview
- Added render of IES files of type B
- Added export from IES to LDT
- Added export to png with alpha transparency (Render)
- Fixed total light flux algorithm
- Fixed incorrect export of IES type B to type C in some cases
- Fixed Listview font issue
- Significant improvements in thumbnails performance
- Improved interaction with the file system
- Improved UI interaction when exporting to the image
- UI cosmetic changes

3.6 - 20 february 2020 - latest version
- Added Filter (search through filenames and tags)
- Added DPI scaling (Windows 10 High DPI issue)
- New 3ds Max Helper (Integration with 3ds Max)
- Fix degree label issue (Axial symmetry)
- Fix tilt issue
- Fix compare window issue