Webots is an open-source development environment used to model, program and simulate mobile robots.
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Questions tagged [webots]
255 questions
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Webots R2019a revision 1 Crashed in Python API
I try to get the depth image of a Kinect camera using Python. The webots can detect Kinect device successfully and can enable it too. but, when I try to use getRangeImage function to get the depth values, the controller is crashed.
My code is as…
Farzaneh
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1 answer
Webots While loop does not work with getTime()
I am using while loop in order to do a function for a specific ammount of time. I use Webots and I use the getTime() function to get the simulation clock time.
The problem is that the program does not go into the loop function at all and when I…
George Tsoufis
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webots simulation synchronize
Does anyone know how to synchronize the 2 clocks of Webots? the one of the console and the environment clock? because I am trying to use the internal python clock to define rotational movements and I cannot rotate at the desired angles because of…
George Tsoufis
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1 answer
Access to Traffic Light status in Webots
I need to get access to the current status of traffic lights in Webots.
Checking the "generic_traffic_light.c" controller for a Generic traffic light, we have:
WbDeviceTag red_light;
red_light = wb_robot_get_device("ref…
mask
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Webots Qt framework libraries
I am creating a Webots project on OSX, where I am including the following:
#include
I get error
In file included from
/Applications/Webots/resources/projects/default/libraries/qt_utils/core/MainApplication.hpp:17:
…
Boris Mocialov
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Compile controller code in trial version of webots
Is there any way to compile the controller in a trial version of webots
I need any version allows me to compile the controller applied on e-puck robot
Oday Ali
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1 answer
Linking with GHC
I am following this short tutorial
and trying to compile Webots application (written in C) using GHC (Glasgow Haskell Compiler, Version 7.10.1) with following command:
ghc --make -no-hs-main -optc-O
-I"/Applications/Webots/include/controller/c/"…
Boris Mocialov
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0
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1 answer
Required prebuild rule in generic Makefile
I'm compiling C++ code for Webots (a robotic simulator), by means of makefiles, and I'm using the generic makefile Makefile.include Webots supplies to ease the process.
I build by own makefile, set a bunch of required variables and then call that…
joaocandre
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execlp hanging after execution
I'm calling an external binary (Webots Simulator) in my cpp program, by calling fork() and execlp(), that takes on an argument that is the path of a specific file. There are no issues when the path to the file is valid and the file exists, however,…
joaocandre
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How to program moving a robot(e-puck) to the specific position?
I'm newbie in programming world especially in webots.
Do you guys have any ideas/tutorial to move e-puck robot to a specific position in webots?
In my case, I'm trying to move the e-puck robot to the start position and when the robot finish…
Sofiah
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The e-puck_matlab program running without stop
I used e-puck robot that avoid obstacle using braitenberg in Matlab code, the program is running without any stop, i try to put the counter such like:
counter = 1;
while wb_robot_step(TIME_STEP) ~= -1
if counter == 2000
save(counter,:)
…
0
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1 answer
How to display graph in Webots?
I have implemented genetic algorithm (Java) that works on Webots simulated e-puck (PRO 7.0.3, OS X). What I want to do now is to display a graph that would show how fitness score is changing over time.
I have been trying to use JFreeChart, but…
Anna Pawlicka
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an object is created and assigned with out new or declaration
I am trying to understand a sample code in Webots (robot simulation program).
I have faced this code :
Servo rightShoulderPitch = getServo("RShoulderPitch");
rightShoulderPitch.setPosition(1.5);
I do not understand what is meat by the first line.…
fmha
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1 answer
How do i convert speed vector into Rall-Pitch-Yaw form to create transform?
In Webots sim i have GPS (https://cyberbotics.com/doc/reference/gps?tab-language=ros) measurements
with 2 topics: coords as Point and speed_vector as Vector3 (returns the current GPS speed vector in meters per second). So, I need to create…
Dan
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Question about getting global coordinates of lidar point cloud from relative in Webots
I need to do custom mapping of surroundings with lidar using mobile robot in Webots. What I use for that:
GPS for getting robot position.
Compass for getting direction robot.
Lidar for getting info about surroundings.
Maybe someone familiar with…
RavenCloud
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