simulating a LIDAR sensor from scratch with python | SLAM SERIES

in this video 🔥we will present a step-by-step tutorial on simulating a LIDAR sensor from scratch using the python programming language, this video comes as a part of a series focused on SLAM simulation.

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⏱️ TimeStamps :
0:00 intro
0:36 how does LIDAR work?
1:50 preparations
3:50 coding
14:59 results/outro

🏷️ HashTags:
#LIDAR #SLAM

[alhdlakhfdqw]

thank you very muh for your wonderful video with simple explanation and great animations! :)

[manavpatil]

your knowledge is superb remembered only entartainment videos has more view and subscriber but for me you are hero

[louisdiedericks]

@Algobotics Love the video, can't wait to see what you do next.
I had two errors in the code.
1) " TypeError: 'bool' object is not iterable" in the dataStorage function.
fix: add an if function before the for loop in the dataStorage function
if data!=False:
for element in data:
...
...

2) The window did not close after the close button (the x next to minimize and maximize) in the corner was pressed.
fix: add pygame.quit() after the while loop in the main file.

It is also a good idea to add pygame.init() at the beginning of each file to ensure no "video system not initialized" errors.

[JashDoshi]

9:51 in realtime, the colour of a wall wont be black, it will be a variable colour, so how can you implement that here?

[RahulKumar-mhbk]

Love your videos 💕
It would be nice to give some more theoretical details as animated supplementary videos.
Hopefully videos will be released soon.

[ahmedbenyoucef]

perfect, Bro 👍
you have a good explaining method.
good luck.

[aameaame]

Amazing content! Thank you so much for sharing!

[badcandy]

Subscribed. man you are amazingly smart

[tranquochung]

Thank you very much Mr, Algobotics. Your video is very helpful.

[elifkarabulut]

Is it possible to insert a video or series of images to this code? What I want to do is, having two objects on the plan and make them look like they are moving. So, I thought about creating a video and uploading it or inserting series of images and creating a transmission between them? Please help me.

[swagh]

While converting lidar measurements to position: why for y coordinate you subtract it?
y = - distance * math.sin(angle) + robot_position[1]

shouldn't it be
y = distance * math.sin(angle) + robot_position[1] ? i.e without a negative sign.

And similar in the function sense_obstacles()

[kadaliakshay]

hey is there any way of doing this with camera but without a LIDAR? because I've done some research and it kinda looks like it's possible...

[angeloespinoza]

Hi Algobotics, I am currently basing on this project to do a Visibility Polygon. Right now I have got a point on the same map as you have but now with red lines emanating from it as lidar sensor. I want to detect collision from this emanating lines to the borders of the image. How could I do it?

[Hanan-qzms]

I use rplidar c1.. when i run it apper a black window and the lidar doesn't connect or even work!😢 please help me

[mathewtomy]

Is this useful for doing object detection using lidar

[ДжайгоДжай]

Hello!
I wrote all the code like yours, but it doesn't display, scan, or display an image.

[JAYJAY_]

Great video and very nicely explained! Only trouble I'm having is the fact that when i start my simulation the window doesnt show any obstacles. Ive been looking for some time now. anyone got some tips?

[littledude]

Great Video.!
I am having one problem . ' TypeError: 'bool' object is not iterable '. Im getting this error for the dataStorage method.

[AbcDef-oesj]

can u help me with this...i got an error that i couldnt rectify...
it says...
'NoneType' object is not subscriptable
in show_sensorData() method would be really helpfull if u could help me

[vardhanviswanath]

When I hover my mouse in the pygame window, it's displaying red lines and dots in random order in the pygame window, instead of displaying the map. Please help me out.