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Aerial photography


Activity Feed

Rami Kopelman commented on Bernardo Espinosa's blog post Low cost L1+L2 GNSS RTK receiver for Drones. North RTKite receiver.
"Looking to buy or build a module for converting the negative (and noisy) flash pulse that comes from the hot shoe to a sharp pulse for rtkite image triggering.
Any link to where to buy or detailed instructions on how to build wiuld be appreciated."
Sep 8, 2016
Rami Kopelman replied to Adam_Geomatics's discussion Visualization and delivering drone data in 3D
"TIN as base is OK if the pile stis on "regular" surface. Unfortunately this is not the case in most of the real life cases. You need to be able to load base surface and measure the volume between the base surface and the pile surface in order to get…"
Feb 16, 2016
Rami Kopelman replied to Adam_Geomatics's discussion Visualization and delivering drone data in 3D
"For stokepile volume measurement, can you load base surface to measure relative to or you can only mark polygon around the pile and the base is assumed to be flat?"
Feb 16, 2016
Rami Kopelman commented on Walter Volkmann's blog post HOW ACCURATE ARE YOUR MAPS AND MODELS?
"How do you set the A6000 focus during missions?"
Feb 25, 2015
Rami Kopelman replied to Mapper905's discussion Exposure rate limitations
"I lock the focus on infinity, I have this option in the CHDK menu."
Sep 20, 2014
Rami Kopelman replied to Oliver Volkmann's discussion Altitude Hold Proving Dangerous
"Oliver - did you solve the Alt Hold problem? Can you please share with us what the problem was and how you solved it?"
Sep 19, 2014
Rami Kopelman replied to Mapper905's discussion Exposure rate limitations
"I use shutter priority (Tv)"
Sep 19, 2014
Rami Kopelman replied to Mapper905's discussion Exposure rate limitations
"I am not connecting the camera to the APM at all. I just use the intervalometer function of the chdk."
Sep 19, 2014
Rami Kopelman replied to Mapper905's discussion Exposure rate limitations
"Try CHDK instead. I get 1 shot /sec with SX260."
Sep 15, 2014
Rami Kopelman commented on Guinard Voelkl's blog post Eagle Y6 mapping drone
"How do you make sure that the images are in focus? Is it manual focus with the focus ring all the way to infinity focus? Or do you need different focus according to mission height?"
Jul 11, 2014
Rami Kopelman replied to Darrel Maddy's discussion Mission planner camera control,Sony A5000 and gentWIRE_FOCUS
"OK thanks.
I am successfully using the Canon SX260 HS for mapping. I use CHDK to trigger the camera every 1, 2 or 3 seconds depending on flight height and overlap needed. I do not connect the camera to the flight controller, I realized that it adds…"
Jun 22, 2014
Rami Kopelman replied to Darrel Maddy's discussion Mission planner camera control,Sony A5000 and gentWIRE_FOCUS
"Did you have success in trigerring the A5000 with the gentWIRE_FOCUS?
I am also lokking for a simple method to triger my A5000 every 1 or 2 seconds."
Jun 22, 2014
Rami Kopelman posted a discussion in Arducopter Y6 Owners
Though I fly Sky-hero Spy (Y6 configuration), it is relevant to the 3DR Y6:Initially I connected the 6 motors as suggested in the APM Copter instructions. The copter was unstable, throttle reaction was very sensitive and yaw was terrible.I then…
Dec 2, 2013
Rami Kopelman replied to Raph's discussion Yaw Stability - derivative coupling between yaw and pitch in Arducopter Y6 Owners
"When changing the rotation direction of the rear arm motors, do you also have to switch the conection to the APM, making motor 4 top and 6 bottom?"
Nov 10, 2013
Rami Kopelman posted discussions
Oct 7, 2013
Rami Kopelman replied to Rami Kopelman's discussion Flying via joystick in Auto mode
"Any suggestins?"
Jun 15, 2013
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