04/24/2016 at 11:05 •
Some users that were already using Spekwin32, reported erroneous behaviour and interferences with their current installation.
This update will separately install in parallel and does not interfere any more. Hope this helps!
04/24/2016 at 15:31 •
now it starts to get really useful, new features added:
- horizontally flip the calculated spectrum, to adapt ot the direction of the spectrum image
- set start + end wavelength boundaries for the full image cross-section. This leads to a "real" spectrum with wavelength scale as x axis. Of course, this is not yet a wavelength calibration, and linear behaviour is assumed.
04/24/2016 at 19:58 •
- added some robustness
- rearranged controls within live image window (to make room for ROI definition controls)
- introduced a [GRAB!] button to allow grabbing of single spectra on command
05/01/2016 at 19:52 •
Created new version today. This one allows the definition of the part of picture, that shall be used for calculating the spectrum cross section.
With three more features, this software will be quite useful:
- turning off white-balance
- controlling camera gain + keeping stable during measurement
- controlling camera exposure time + keeping stable during measurement
Try it out!
05/01/2016 at 20:31 •
according to the functionality of the new software version...
05/07/2016 at 21:59 •
Now I introduced online access to the webcam settings. This should enable control of white balance and exposure time. However, the range of accessible settings seems to depend on the webcam type, I couldn't try out much with mine:-)
Also: introduced a clipping indicator for blue, green & red channel. Whenever the intensity goes >254 for at least one spectrum point , it is indicated for the respective colour channel.
Now, the interface looks already cluttered and not so well-thought... But hey, it is just a prototype with sub-standard UI :-)
IMPORTANT TIP: If you want to analyze an arbitray spectrum picture: replace the cam.bmp file in the program folder with your image, and try to connect to a webcam. If none present, it takes the cam.bmp file anyways for analysis...
06/05/2016 at 13:48 •
Hi there, upon request of several users, I now introduced an easy to analyze spectrum pictures, without being live connected to a webcam. Just use the "Load Spectrum Image" function from the "File" menu to load *.bmp or *.jpg files. It will use the same window as the spectrometer control function, with live acquisition deactivated.
07/30/2016 at 11:30 •
just extending the working time range until October...
09/15/2016 at 10:59 •
Since about mid of June, I am working on the Spekwin32 successor software, called "SpectraGryph". There were some weeks of working on other projects plus moving from Berchtesgaden to Oberstdorf in August.
Overall, a lot of progress has been made and the new software will be greater and better than Spekwin32, modernized all around with new features and better interactivity. Still, it will be easy to use and robust, as you know it from Spekwin32. Eventually, driving a webcam-based DIY spectrometer functionality will find it's way also into the new software.
Some preliminary information with screenshots can be found from the new SpectraGryph website: http://spectragryph.com
This work was partly enabled by a fundraising campaign (first unsuccessful onKickstarter, then with a second, direct attempt on my website: http://www.effemm2.de/nextgen/index_en.html)
I am very grateful to all the supporters giving their share and encouraging me to go forward. Thank you for putting your trust into me. You will not be disappointed.
11/02/2016 at 09:39 •
will run until mid january. Hopefully, I have the new software then...