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Color sensor support for EV3 programming Virtual NXT 
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Joined: Mon Feb 03, 2014 6:05 pm
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Post Color sensor support for EV3 programming Virtual NXT
Greetings. I am brand new to the Robot Virtual World. I have it running and have been programming with EV3 since that is what our school will be using for a robotics club. I am trying to program some line detection/following and it appears that the color sensor is not supported. Any idea if/when this will be supported? It is fairly limiting if you cannot even use the light detection functionality of this sensor.

Appreciate any feedback.


Mon Feb 03, 2014 7:31 pm
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Post Re: Color sensor support for EV3 programming Virtual NXT
Hi maspieljr,
The virtual robots use the NXT light sensor, which is not fully supported in the EV3 software (this is true of physical robots as well). We don't yet have a virtual color sensor. As has been documented by users on other message boards, you can use the Raw Sensor Value block to read from the light sensor, which will return values between about 125 (light) and 925 (dark).

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Ryan Cahoon
CMU Robotics Academy
RVW Software Developer

Robot Potato Head; Virtual NXT


Mon Feb 03, 2014 8:31 pm
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Post Re: Color sensor support for EV3 programming Virtual NXT
rcahoon,

Thanks for the quick reply and the hint about the raw sensor read.

Any idea when the color sensor might be supported?

I'm concerned that a great deal of fundamental beginner programming relies on the light sensor capability and having to use the raw sensor block would not be a representative way for the kids to leverage RVW to learn how they would be programming real robots.

RVW is a pretty incredible tool and I recognize the significant development that must have gone into it. I hope there can be a simple solution to this in the near future...


Tue Feb 04, 2014 9:26 pm
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Post Re: Color sensor support for EV3 programming Virtual NXT
Hi maspieljr,
We have an update for Virtual NXT that should be released next week. This version should allow you to use the virtual light sensor using the color sensor blocks in the EV3 programming language. Full support for color sensors is not currently planned for RVW, at least in the near-term (this doesn't mean that we won't add it at some point).

Best,
--Ryan

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Ryan Cahoon
CMU Robotics Academy
RVW Software Developer

Robot Potato Head; Virtual NXT


Fri Feb 07, 2014 12:44 pm
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Post Re: Color sensor support for EV3 programming Virtual NXT
Wait, are you saying RobotC already supports EV3 in the virtual world?


Fri Feb 07, 2014 5:38 pm
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Post Re: Color sensor support for EV3 programming Virtual NXT
MHTS wrote:
Wait, are you saying RobotC already supports EV3 in the virtual world?


Hi MHTS,
This thread is regarding Virtual NXT, not RobotC.

--Ryan

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Ryan Cahoon
CMU Robotics Academy
RVW Software Developer

Robot Potato Head; Virtual NXT


Fri Feb 07, 2014 5:56 pm
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Post Re: Color sensor support for EV3 programming Virtual NXT
I think I got it confused with Virtual World where you download RobotC code to a virtual NXT robot in the Virtual World. So when it said something about working with EV3, then I got confused thinking RobotC already supporting EV3?!


Sat Feb 08, 2014 4:02 am
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Post Re: Color sensor support for EV3 programming Virtual NXT
The EV3 language can program NXTs. Therefore, it can be used to program the virtual NXT made by robomatter.


Sat Feb 08, 2014 11:03 am
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Post Re: Color sensor support for EV3 programming Virtual NXT
We just released an update for the Virtual NXT: http://www.robotics-academy.org/blog/20 ... xt-update/ It should allow you to use the light sensor in the virtual worlds using the color sensor blocks in the EV3 software.

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Jesse Flot
CMU Robotics Academy
ROBOTC Support


Mon Feb 17, 2014 5:51 pm
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