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Messages - skronstein

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Software Dev / Re: Chronos V0.3.2-RC1 and RC2
« on: October 18, 2019, 05:52:26 PM »
I can confirm the lag issue is gone now. The "Tab is only highlighted and not selected" issues might have gotten a bit worse, but it's hard to tell. I have an estimated "errorrate" of about 1 in 4. This is close to the point where it gets annoying. I did not put the old screen back jet to test the source of the issue though.
According to foobar, we may need to update calibration data for the new LCD panel to fix this:
The response of the touch screen may not be in perfect alignment with the LCD display. Normally this would be fixed using calibration software to align the touch inputs with the underlying LCD. On the old panel, the geometry was close enough that we have never really needed to perform that step, we may need to update the tslib calibration data for the new panel.

Chronos User Discussion / Re: Introducing Chronos 2.1 HD!
« on: October 16, 2019, 07:38:49 PM »

I just saw in the 2.1 manuel that there is no mention about the 100.000 fps as the max framerate as it was said as the camera was introduced. In fact the max framerate is now shown lower as that of the 1.4. did you change that by purpose or is it just not up to date?

The 2.1 and 1.4 both have require a minimum frame height of 96 pixels because the H.264 encoder needs at least that many pixels to work correctly.
This will eventually be worked around by adding black bars above and below the footage at the time of saving the video, if the H.264 format is being used. Once we get around to implementing that, the 2.1 will have a max framerate around 100kpfs.

Software Dev / Re: Chronos V0.3.2-RC1
« on: October 10, 2019, 08:49:05 PM »
V0.3.2-RC2 has been added to the OP, along with the changes since V0.3.2-RC1.

Chronos User Discussion / Re: vnc or other remote desktop possibility?
« on: September 30, 2019, 05:16:48 PM »
You'll have to wait until we have the 0.4 beta software release. That is when the ethernet API will be available.
The next best thing that we've put out is the get_latest_video python script.

Are you using the C to CS adapter that came with the camera?

Chronos User Discussion / Re: Trigger Switch Cable
« on: September 18, 2019, 01:21:45 PM »
To use a pushbutton trigger with IO 1 (BNC), choose Record End trigger and enable one or both of the Pullups and Debounce.
After applying these settings, IO 1 should change between Hi and Lo; the status is just above and to the left of Apply on the IO Settings screen.

Chronos User Discussion / Re: Upgrading the 1.4 to the 2.1
« on: September 17, 2019, 03:15:47 PM »
We are working on a plan for trade-ins. Details are not ready just yet. You can sign up for the newsletter here so you will know when we do have details ready:

Chronos User Discussion / Re: Maze artifact with 1.4
« on: September 17, 2019, 01:29:40 PM »
Which of the RAW save formats was used - 12 bit or 16 bit?

Chronos User Discussion / Re: Maze artifact with 1.4
« on: September 10, 2019, 02:31:09 PM »
I've downloaded a few applications including GIMP and Raw Therapee to try and repair two usable shots captured earlier this year that were corrupted in this way.   I'm not having any luck.  Does the repair need to be performed on the raw file or each of the DNGs separately?   Is there any kind of workflow description or tutorial on how to do this? 

In Raw Therapee, I managed to get rid of the maze artifact using the VNG4 demosaicing selection, but it makes the image monochrome (color information is lost).

How important is it to recover the shots?
The process to recover them will be a lot of work. The python raw2dng script will need to be modified to unpack the DNG files twice - once as normal and then once with the assumption that the first pixel was lost(this messes up the colors because applications that process DNGs expect certain colored pixels to be in certain locations, and the loss of the pixel affects the location of every pixel in the image). Then manually look at each resulting frame to see which looks right and keep the good one of the two.

Software Dev / Re: Chronos V0.3.2-RC1
« on: September 03, 2019, 02:15:40 PM »
Another small bug:
In the Util Menu, sometimes "clicking" the tabs does not change to them but only highlights them.
See the following image of an example:
"About" is selected but the "Kickstarter" Tab still displayed.
Do you know if this only started when the screen was upgraded?

General high-speed discussion / Re: Shadowgraph Troubleshooting
« on: September 03, 2019, 01:46:39 PM »
Which raw format are you saving in? If the brightness in the mp4 videos from the camera look good, the then the TIFF format should too (but not TIFF Raw)
Some changes were made to the "raw 12bit" format in software v0.3.1, but I doubt that would cause the brightness issue seen here.

Software Dev / Re: Chronos V0.3.2-RC1
« on: September 03, 2019, 12:55:07 PM »
Thanks, I've added this to the list of known issues as "Lag when focus peaking or zebra stripes (focus and exposure aids) are enabled"

I just noticed a significant lag on the screen update if the overexposure-warning stripes are shown. It appears to drop down to single digit FPS and takes a few seconds to recover even after the bright spot is gone. I noticed this after the screen upgrade, but they can't possibly be related. I have not tried yet if recording is somehow affected.
If needed i can provide a video of the "slowdown" happening.

Does this still happen on v0.3.2-RC1? This and other bugs were fixed in that version: Stuttering issue on the playback window on new production LCD modules.
The RC1 topic is here:

Software Dev / Re: Camera powers off after update to 0.3.2
« on: August 26, 2019, 08:18:53 PM »
This package can be used to downgrade your camera back down to 0.3.1 from 0.3.2:;topic=460.0;attach=575

Before applying the downgrade, disable Auto Power Mode and Shipping Mode in the Util menu.
After applying the downgrade, you may want to restore your calibration data from before the upgrade to 0.3.2.

Chronos User Discussion / Re: External trigger cable
« on: August 26, 2019, 06:33:05 PM »
We don't have this feature in the current V0.3.1 software, but it is planned for the upcoming 0.4 update.
However, it is possible to do some similar things:
-To make the camera automatically start recording right after finishing a save, you can enable Auto Record in the Util menu.
-To record video only while holding down the trigger, you can enable Gated Burst record mode.

If you're just looking to conserve battery life, just use Auto Record - recording actually takes no more power than sitting idle.

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