Hello, A new release of Webots, tagged 3.2.22 is available for download. It correct only few minor issues: * The radius of a Charger is increased by 10% when a...
Dear Dr. Oliver, I have problems when I install Webots to both WinXP and Mandrake8. WindowsXP problem: the version of Webots is 2.0.4. After installation, I ...
Liu Zheng
g0202255@...
Mar 11, 2003 2:40 pm
265
Dear Kevin, Webots 2 is not any more supported (Windows XP wasn't existing when Webot 2 was commercialized). I would recommand you to switch to Webots 3, which...
Hi Ignasi, ... It is possible to use gdb in the following way: 1) compile your controller with the gcc "-g" flag, allowing for gdb debugging. 2) start webots...
Dear Olivier, thanks a lot for your help, gdb works as described. With regard to the "hidden messages" I refer to the messages of error you get when there is a...
Ignasi Cos Aguilera
ignasi@...
Mar 13, 2003 5:01 pm
268
Dear Olivier, I am afraid that in the same circumstances mentioned in my last email, the only error I have detected is in the webots kernel itself. It seems to...
Ignasi Cos Aguilera
ignasi@...
Mar 13, 2003 6:59 pm
269
Dear Dr. Oliver, I have registered in the website and got the file webots.key. I also download the evaluation version of Webots. However, it cannot work. My...
Liu Zheng
g0202255@...
Mar 14, 2003 5:29 am
270
Ignasi, Could you send me the controller files and the world files used to cause this crash of Webots ? Please send the files to me (not to the list). I will...
Dear Ignasi, In order to achieve a Supervisor - Robot communication, I would recommand you to have a look at the worlds/gps_supervised.wbt example. It contains...
Dear Sir, The robot_get_position() function is experimental and was removed from Webots 4 because it has bugs. It was experienced to work better when the robot...
Dear Rajvignesh Thogulua, ... Correct. ... No way. I will add this to my TODO list for Webots 4 since you are not the first one asking for this feature. In the...
Dear Colleagues, During the simulation in Webots, are there any functions to get the direction and position of the robot? Thanks! And have a nice weekend! ...
The example webots/controllers/gps shows how to do that. Cheers, Ig. ... -- ~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~ Ignasi...
... No. ... This is a normal behavior. ... Sure. Here is how to proceed: 1) adjust the speedUnit field of the DifferentialWheels node. The value of this...
Dear colleagues, There is an example ¡°Pioneer2¡± under the webots directory. Is this for the robot Pioneer2? But I can¡¯t find the world file .wbt for ...
... These files should be in the Webots worlds directory. Under Linux, it is usually /usr/local/webots/worlds and under Windows is usually C:\Program ...
Hello, A new beta version of Webots 4 was just released. This beta 3 is hopefully the last one before the finale release scheduled for the next few days. It...
... Yes and no. Cyberbotics didn't plan to do it yet, but with Webots 4 PRO, you can build your own model of the PeopleBot robot. It is pretty easy to do (even...
Hello, Good news for people using Webots on a laptop with a nVIDIA GeForce card under Windows! There was a bug in the nVIDIA OpenGL drivers for laptops...
Dear colleagues, I have tried to make Khepera move with specified distance/angle. For movement forward or backward: First, I calculate the change of encoder: ...
Dear colleagues, The compiler Webots-kros 1.1.0 seems to complie gile c file only. Does anyone know how to compile using Webots-kros 1.1.0 the vc++ project,...
Bailu, Be careful, the cross-compiler cannot compile C++ files for the Khepera robots. It works only with C files. This is documented in the Khepera docs: ...
Hello, A new version of Webots 3 is available for download. Webots 3.2.23 is a minor bug fix version. If you do not experience problems with Webots, it is not...
Dear Michel, Could you tell me how to caculate the direction of robot form the GPS matrix returned by function gps_get_matrix? As it is said in referenc...
... It's not as easy as for the position... Indeed a robot orientation is defined in space by 3 rotations which can be extracted from the OpenGL 4x4 matrix in...
Dear Olivier, The method you mentioned is crect. The following is my code to get the angle for khepera: .... const float *m_GpsMatrix; //GPS Matrix //Robot...
Dear Colleagues, I found that when I use the Remote Control mode to run my controller on khepera, it is difficult to control robot¡¯s action accurately ...
... This problem is due to the remote control system which induce some delay in the control loop. If you use a cross-compiled version of your program, it...
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