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Old 10-01-2018, 14:18   #796
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Re: OpenCPN Radar Overlay PlugIn

Thanks for you response Haken


I am using Windows 10 Enterprise Version 1709 on an Asus Pc with intel graphics on the processor.

Ive set my system up I'm in Greece until tomorrow evening and do not have any charts at the moment, so I'm just using the default baseman.

My NMEA data is coming via the internal WIFI in my NSS evo3 Display and I have my network cable plugged into my laptop directly from my RI-12 Radar interface module. This is currently unplugged from the evo3 until I get a router or switch.

Everything seemed to work well at first, I could get both A & B working at different ranges.

But:

If I zoom out the range to 3 Nm or more the display becomes corrupted. In the case of Halo Radar A their is also overdraw on the underlying chart widow.

The program then crashes within about three seconds.

The attached file Halo.pdf shows both radars Halo A and Halo B working at different short range

The second picture in the pdf is the corruption to Halo B with a range over 3 miles.

The third picture shows the corruption with Halo A and the associated corruption on the chart.


PC & Graphics Specs


Report Date: Thursday, January 11, 2018
Report Time [hh:mm:ss]: 12:23:33 AM
Driver Version: 20.19.15.4835
Operating System: Windows* 10 Enterprise (10.0.16299)
Default Language: English (United States)
Physical Memory: 3871 MB
Vendor ID: 8086
Device ID: 22B1
Device Revision: 21
Graphics Output Protocol (GOP) Version: 8.0.1033
Current Resolution: 1366 x 768



Processor: Intel(R) Pentium(R) CPU N3700 @ 1.60GHz
Processor Speed: 1600 MHz
Processor Graphics in Use: Intel(R) HD Graphics
Shader Version: 5.0
OpenGL* Version: 4.4
OpenCL* Version: 1.2

Thanks.
Attached Files
File Type: pdf Halo.pdf (578.7 KB, 36 views)
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Old 10-01-2018, 19:00   #797
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Re: OpenCPN Radar Overlay PlugIn

Hi Haken

I've attempted to capture a Wireshark file of both my wireless internet with NMEA 183 and my Ethernet Port with the radar data.

I slowly (about once every seconds ) went up the ranges from 91metres to 6 miles before the program crashed.

The problem at 3 Nm seems to coincide with a change of speed of the antenna.

the Halo Radar adjusts its speed when on auto according to the range. Even if I set the speed to slow on both displays the speed still changes to an extent and the problem is just the same.

I have also tried closing Halo B and just using Halo A = same problem.

I'm unable to upload the Wireshark file as an attachment due to size. Have you any suggestions?
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Old 11-01-2018, 01:47   #798
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Re: OpenCPN Radar Overlay PlugIn

Hi Kevin,
The new radar_pi is designed to support the Halo radar. Basic settings for the Halo have been done, but as the team has no Halo radar, it has never been tested. So it is not surprising it does not work straight away.
Earlier I worked on a prototype of the Halo radar plugin. This version was based on the older br24radar_pi. It is found at https://github.com/douwefokkema/BR24radar_pi/tree/halo. This version was tested and worked OK, except an error on the largest range. But is was not meant for production, only to investigate the differences between Halo and 4G.
I think the range tables in the new radar_pi still have to be updated and tested for the Halo. The working version mentioned above could be used as an example. I will not have the opportunity to look into this coming weeks, I will be out in the Canaries without development systems. So this is a nice opportunity to start developing yourself, Kees should be able to help you understand the structure of the required halo.h file if you don't manage yourself.

Cheers, Douwe Fokkema
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Old 11-01-2018, 04:54   #799
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Re: OpenCPN Radar Overlay PlugIn

Kevin..
Very good, it think your investigations will be useful to complete radar_pi development for the Halo scanner.
I suggest we continue this discussion using the Github for radar_pi. The developers Kees and Douwe will for sure be interested in your findings. The Wireshark capture file would be possible to upload. If not we can use a Dropbox storage.
If you not have a login to Github please create one.
We look forward to meet you at: https://github.com/opencpn-radar-pi/radar_pi/issues/78

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Old 11-01-2018, 05:39   #800
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Re: OpenCPN Radar Overlay PlugIn

Thanks Douwe and Hakan

I will join the discussion on Github.

Douwe, I assume you are referring to the ranges in the file haloatype.h and halobtype.h in the latest build.

I am only in Greece with my radar until tomorrow. Then back out here in the middle of February when the boat will be out of the water. I should be able to do some further testing then

Late March we are sailing it from Greece to England.
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