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2014-03-27 07:27:35 -0500 commented answer Plot 3D surface in Hydro

Thanks jbinney, i've went with RVIZ for now.

2014-03-26 10:54:35 -0500 commented question Plot 3D surface in Hydro

yep, I realized that after looking into it a little more. That was a bad example. I will edit my question, thanks :)

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2014-03-26 06:46:08 -0500 commented answer Plot 3D surface in Hydro

Thank you! We're almost there.. RViz seems convenient, but do you know if there's any way I can plot my data to show like this wireframe plot: http://matplotlib.org/1.3.1/mpl_toolkits/mplot3d/tutorial.html#wireframe-plots ?

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2014-03-25 02:03:58 -0500 asked a question Plot 3D surface in Hydro

Hi everyone,

I'm trying to find how to plot 3D data that represents a surface, over time. It should basically look like a grid surface that moves, in a 3d plot. I know this should be a simple task, does anyone have any ideas?

PS: an equivalent of what I am trying to achieve is like the surf() function in MATLAB.

Thank you, everyone.

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2014-02-12 04:51:15 -0500 asked a question roscreate-stack: command not found [Hydro]

Hi everyone,

It's been a while i've been on ROS (from electric, and now on hydro). I can't seem to get roscreate-stack to work. It simply says: roscreate-stack: command not found

I understand this is not available in ros fuerte (as the wiki page says), but is it not available for Hydro too? I'm not fully understanding it.

Thank you, everyone.

2014-01-28 17:25:11 -0500 marked best answer Compiling [or not] a package before pushing to repo

Hi everybody,
I realized that during compilation time there will be a CMakeCache created; which is specific to our machine. Hence if we push the package (after compiling it) to a repo and someone else tries to compile it, they will get an error that the CMakeCache doesn't match the CMake on their current machine. The fix is simple - simply do a make clean in the downloaded package directory and then try compiling it again. But, it would be nice if there's no cache included.
1. Is there a way to disable the CMakeCache during compilation?
2. Is it a good practice to compile a package and pushing it the repo? or should we just push an uncompiled and clean package (with only the source codes files) to the repo?

2014-01-28 17:24:40 -0500 marked best answer Callback function to a Class member function

Hi all, this question might have just a trivial answer, but because i'm new to ROS and might be looking at the wrong places, I still can't figure it out. So, I want to create a service where the callback function would call a function of an Object (e.g. Board.executeCommand() ) . First, is it even possible? If it is, how do you do it? Thank you all..

EDIT: By the way, i'm using C++ as the language.

2014-01-28 17:24:34 -0500 marked best answer ROS for Parallax Eddie robot (to develop)

Hi, all.. I'm about to start some work on the Parallax Eddie robot, and I'm interested in developing with ROS. But I see ROS doesn't have an SDK for this robot yet - well, the robot itself is still new in the market. Does ROS have any intention in developing an SDK for this robot?? (looking at the calibre of developers in ROS, it would probably take them a day or two, I believe). I've tested it with drivers from Windows and it seems to be a pretty robust and slick device. It's a really potential research platform. So, what do you guys think?

Edit: I've been doing some google-ing around, and I think I wanna give it a shot at trying to build the SDK for this robot for myself (if it's good enough, then I hope to contribute it to ROS). THE THING IS: I'm a big time newbie (just a computer science student) so i don't have any experience in these low level device stuff. I kinda got the rough idea, of need for the program to connect the microcontroller through a serial port, and communicate serial commands to it. Then, start building core features to operate it on top of these functions. Should then head to be an initial SDK, i guess. Does anyone have any suggestion to point me to certain direction? e.g. certain USB drivers to use, certain library that would be helpful, certain patterns i should follow.. And btw, I'm on ubuntu 10.04 and I'll be coding with C++ (if it matters to what information you want to suggest)

Thank you all, guys. I'm really excited to start developing this, and really appreciate and looking forward to all the support.

EDIT: FOR THOSE WHO STUMBLED TO THIS PAGE LOOKING FOR A EDDIE ROBOT DRIVER, THE DRIVER IS NOW AVAILABLE AT: http://www.ros.org/browse/repo.php?repo_host=haikalpribadi-ros-pkg

2013-05-06 02:21:09 -0500 marked best answer Linking external libraries to ROS

Hi all, I know this is something every c++ programmer has to know, but i'm java programmer and just started learning C++ and ROS. If I have compiling flags like the following to compile a C++ program (not in ROS), how do I integrate this to a ROS program and modify my manifest or CMakeFiles?

-l Festival -I/usr/include/festival -I/usr/lib/speech_tools/include -leststring -lestools -lestbase

EDIT: and are there any other settings that I have to do? like, setting dependencies for example (if that even makes sense)?

2013-04-27 02:54:59 -0500 marked best answer ROS Kinect Programming Tutorial

Hi everybody.. I'm quite new to ROS - well not completely new, i've done some development with ROS and grasp the basics. But i'm completely new to Kinect. I've checked out all the Kinect drivers in ROS, installed them, run them (e.g. rviz ). But I still dont have a complete understanding on how to develop programs for Kinect with ROS, i.e. using the Kinect drivers programmatically. Does anybody know any good programming tutorial for ROS-Kinect? I've searched all over the internet for the last 2 days (or I might have just been looking in the wrong places).

My specific task i'm trying to accomplish is to locate a person in a room (e.g. raising a hand, or something) then start tracking the person - and perhaps following them. I've seen a similar demo of this from MIT's ros package, but I don't see any tutorial. Furthermore, MIT's packages are all from the diamondback distribution, while all my packages are build from electric.

Thank you, everyone.