Recent Posts

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Software Dev / Re: Software V0.3 RC1
« Last post by BlackthorneMedia on May 19, 2018, 02:26:53 PM »
OK. Took her to 3 RC1 and played with it in the field for 4 days. Had one crash that was likely operator induced (tapping buttons too quickly). Other than that stable as hell and no issue with RAW (other than MUCH slower rate to dump, but thats understandable)

Greatly appreciate the faster black calibrate. When you shoot gonzo in the field like I do it key to getting the camera online fast.

LOVE LOVE LOOVE the new style of focus assist! ITS PERFECT!

Still digging around, but overall fantastic work.

All I need now is that damn HDMI working!

Thanks guys!
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I actually got both to work, but I had to do a complete reinstall of e2fsprogs via brew for Mac. Once I installed it that way it worked and I can now ext3 format my SD cards. All the info I found on the net for installing it via brew were old and dont work with the current version of brew.

Quote
I could not use pyraw2dng on Mac with python3.
Did you use pyraw2dng on Mac?
How can I do?


Make sure you are putting ./ in front of the commands after doing the things listed in this thread.

Long story short, even though you make the script executable, its not recognized as a program at the command prompt and you have to add ./ before the command to et MacOS know its a script

For example:

./pyraw2dng.py -w 1280 -l 720 inputfilename.raw
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Chronos User Discussion / Re: Chronos 1.4 RAW conversion tool - pyraw2dng
« Last post by Newbee on May 19, 2018, 04:22:55 AM »
I could not use pyraw2dng on Mac with python3.
Did you use pyraw2dng on Mac?
How can I do?

Anyone have a tool for formatting SD cards in ext3 on a mac.

I have followed every tutorial out there and cant get any of the mac options to work.

I have tried e2fsprogs (sudo $(brew --prefix e2fsprogs)/sbin/mkfs.ext3 /dev/diskN) and it just errors out. I am troubleshooting as I go but am hoping someone else has a workaround.

Anyone else have a tool or shortcut.

By the way pyraw2dng is working GREAT! The image quality is night and day!
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Software Dev / Re: Software V0.3 RC1
« Last post by Jeff_Dawson on May 18, 2018, 02:25:54 PM »
Hi Forum

I'm wondering if this updated software release (when it's officially released) will have support for ethernet connectivity (I read it's being developed and is a high priority)?  The updated manual states that it's still pending.  Any insights would be appreciated.

I've just ordered a pair of cameras to do high-speed stereo kinematic reconstructions of insect flight... my rig (wind tunnel, etc.) means access to the SD card for offloading video will be awkward.  I did read that there is a script that allows monitoring of the SD card for new files then automatically sending them to a remote computer by SCP... additional information about that option would be appreciated (information beyond what is already on the forum, of course).

Can't wait for the new cameras to arrive!
J.
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Software Dev / Re: Deploying camApp from Qt Creator
« Last post by DDR on May 16, 2018, 01:55:38 PM »
Hm, I don't think you're going to get more than a couple percent by shutting down the additional threads. I think they're pretty light. I think the display doesn't actually eat any appreciable processing power either, if you're not interacting with it. :-\

I myself would be tempted to look at algorithmic improvements. Sampling fewer pixels, or sampling less often, that sort of thing. I don't know how you've implemented the light detection, though, or really what the bottleneck is there. (I mostly do graphical design work.)

I almost wonder if an led with some sort of amplifier circuit could work as a pluggable trigger. I'm pretty sure one could be constructed for a few bucks in parts, according to the Instructable I found. I don't know your specific use-case though so I can't really offer much usable advice on that front, I think. If you had something else, another camera say, with a light sensor and the ability to output a trigger signal, you could use that as well.

As a side note, sudden light-level changes would probably be a great thing for us to be able to trigger on in general. Sound too. It's theoretically possible… It would be very nice to have built-in.


Whatever happens, best of luck Maja!
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Chronos User Discussion / Re: Chronos 1.4 RAW conversion tool - pyraw2dng
« Last post by Mario3005 on May 16, 2018, 10:26:29 AM »
That should work with the preinstalled Program Disk Utility on a Mac.
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Chronos User Discussion / Re: Chronos 1.4 Footage Thread
« Last post by BlackthorneMedia on May 16, 2018, 09:42:18 AM »
Couple of videos as we really start doing doing some cinematic and industrial work with the 1.4

Ar500 target testing and glass armor testing. The target testing saved the company more than a few dollars when they saw bullet spall being cast out to the front due to some basic plate misalignment, it was corrected before production saving thousands of dollars in recalls.

https://vimeo.com/267213547

More dramatic footage of a pistol draw as marketing for the training possibilities of the 1.4

https://vimeo.com/269313889

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Anyone have a tool for formatting SD cards in ext3 on a mac.

I have followed every tutorial out there and cant get any of the mac options to work.

I have tried e2fsprogs (sudo $(brew --prefix e2fsprogs)/sbin/mkfs.ext3 /dev/diskN) and it just errors out. I am troubleshooting as I go but am hoping someone else has a workaround.

Anyone else have a tool or shortcut.

By the way pyraw2dng is working GREAT! The image quality is night and day!
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Software Dev / Re: Deploying camApp from Qt Creator
« Last post by Matom on May 16, 2018, 08:27:06 AM »
Dear David and the rest of Krontech,

I am sorry to keep bothering you about the SW. I am very close to my goal of making an internal trigger that stops the recording if a sudden burst of light appears. I just need a few more suggestions and maybe you can help. (Right now my trigger algorithm slows down the camApp, so it only processes something like 50 fps)

It is my understanding that the camApp runs three parallel threads. Is it possible to shut down one or two of them in order to save processing time? And how would this be done?

Is it possible to turn of the display? Either by using a specific function or by removing all the functions that make the image for the display?

Do you have other suggestions that would save me processing time? 

Maja
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Is there really no solution?
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