Search found 6511 matches

by coppelia
26 Apr 2018, 08:27
Forum: General questions
Topic: How to change the graph background color?
Replies: 1
Views: 10

Re: How to change the graph background color?

Hello, yes, the dialog items are currently not connected to the graph functionality. You can however adjust the color by adjusting the graph script directly and modifying background-color="x,x,x" in file lua/graph_customization.lua for instance. This will however change the background color of all g...
by coppelia
26 Apr 2018, 08:18
Forum: General questions
Topic: How are joint velocities achieved?
Replies: 1
Views: 17

Re: How are joint velocities achieved?

Hello, when a joint is in force/torque mode and the motor is enabled (but the controller is not enabled), then your joint operates in velocity mode. There is not controller that does that. The physics engine will directly handle that joint by applying the maximum force/torque, until the target veloc...
by coppelia
26 Apr 2018, 08:12
Forum: General questions
Topic: Locking a joint angle
Replies: 3
Views: 37

Re: Locking a joint angle

the PID controller will always try to move the joint towards the indicated desired position. If it does not, then you have several possibilities: The joint doesn't have enough force/torque The joint is behaving strangely because of how it internally operates (physics engine dependent) The joint is h...
by coppelia
26 Apr 2018, 08:03
Forum: General questions
Topic: BUild a new robot (Vehicle)
Replies: 1
Views: 12

Re: BUild a new robot (Vehicle)

Hello,

please post your scene, so that we can have a look at it.

Cheers
by coppelia
26 Apr 2018, 08:01
Forum: Bug reports
Topic: Segfault on start-up in Ubuntu 18.04
Replies: 1
Views: 13

Re: Segfault on start-up in Ubuntu 18.04

Hello,

Ubuntu 18.04 was not tested yet, since the official release date of Ubuntu 18.04 is today.
It will probably only be supported next time we make a V-REP release. Probably by compiling V-REP with a newer version of Qt, you might get rid of the crash.

Cheers
by coppelia
24 Apr 2018, 07:27
Forum: General questions
Topic: How to install vrep version 3.5 in ubuntu 14.04 LTS?
Replies: 9
Views: 262

Re: How to install vrep version 3.5 in ubuntu 14.04 LTS?

In a first step, try to simply run V-REP naked (no plugins or other optional things). This means, at first, you do not need the dynamics plugins nor the mesh calculation plugin. When you compile V-REP source code, you obtain a library (v_rep.dll or similar). That one is loaded by the client applicat...
by coppelia
24 Apr 2018, 07:20
Forum: General questions
Topic: Consider point cloud in path planning
Replies: 1
Views: 18

Re: Consider point cloud in path planning

Hello, following is probably happening: a point cloud only contains points. A shape object, only contains surfaces (i.e. no volumes). You can't check for collision between a point and a surface. You have two options: use an octree instead of your point cloud use an octree instead of your shape(s). C...
by coppelia
24 Apr 2018, 07:15
Forum: General questions
Topic: control a joint by trapezoidal signal
Replies: 1
Views: 28

Re: control a joint by trapezoidal signal

Hello,

then you need to run with the remote API in synchronous mode (or with ROS, and use the rosInterface helper tool.tttm model). What kind of client and language are you using?

Cheers
by coppelia
24 Apr 2018, 07:12
Forum: General questions
Topic: Locking a joint angle
Replies: 3
Views: 37

Re: Locking a joint angle

Hello, Which physics engine are you using? did you try to see what happens with a different physics engine? Sometimes, depending on the situation/physics engine, there are some weird behaviour that is directly linked to how the physics engine is internally handling stuff, and its settings (with Bull...
by coppelia
24 Apr 2018, 07:08
Forum: General questions
Topic: How can i get RSS data from wireless network
Replies: 1
Views: 31

Re: How can i get RSS data from wireless network

Hello,

for a real wireless signal, you can't. Unless you write a plugin for that.
On the other hand. the simulated wireless emitter/receiver is just simulated, and the signal strength is either 1 or 0.

Cheers