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Questions tagged [lidar]

LIDAR (Light Detection And Ranging) is an optical remote sensing technology that measures properties of scattered light to find range and/or other information of a distant target.

If the question is not solely about programming it might be suitable on gis.stackexchange.com

Programming questions related to lidar geospatial data are also welcome on GIS SE.

429 questions
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ArcSDK.h Not Found in Default Path

By default, it should be at ..\include\CPPAPI. But on my machine this folder doesn't even exist, only 'CatIDs' and 'GridIDs' folders reside in \include. I've installed ArcGIS Desktop 9.3 and its VC++ SDK. I am new to ArcGIS and LiDAR, I've got LAS…
MeadowMuffins
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USB connection trouble

I am currently running a robotic's project using an Hokuyo (URG-04LX-UG01 - http://www.hokuyo-aut.jp/02sensor/07scanner/urg_04lx_ug01.html). This one is plugged to my computer using USB. Although it creates the port "/dev/ttyACM0" when I plug it, I…
qchateau
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Create a type liblas.point.Point in order to save a *.las file with Liblas module

I have a data set as: s '308342.38 6964462.78 122.15 16 1 1 0 0 1 0 114.985 7.1653 ' type (s) what i wish to do is create a liblas.point.Point and save it (there are several milion of points) in a *.las file file_out =…
Gianni Spear
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Unable too read Velarray H800 data on Veloview

I am trying to visualize the output from the Velodyne Velarray H800 lidar connected through Ethernet using Veloview 5.1.0. However, I am unable to see the point cloud in real time. I checked through Wireshark that the sensor is communicating well…
nmhc
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Problem with my Velodyne VLP-16 on Veloview

I am using Velodyne VLP-16 and have installed Veloview on windows 10. Long back everything worked fine. Today after installing Veloview in a new computer I don't see any pointclouds 3D images it gives me the following statement could not determine…
Srini Vasan
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Arduino Lidar tf02 Pro not getting distance values

I am trying to get my lidar tf02 pro to get distance values on Arduino nano but I am unable to get that due to a lack of libraries for tf02 pro on the internet. The only available libraries are for tf mini and tf luna. Can you get me fixed out this…
Saif Ur Rehman Chughtai
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I2C Lidar Change Address

I have a problem to change the address of my lidar sensor. Its default address is 0x62 in 7 bits, but as the microcontroller only takes 8-bits so, the address is now 0xC4. Here is the code that I wrote: void change_address(char new_addr) { char…
Aqhar
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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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Arduino - how to change TFmini's measure unit to mm

I'm making a 3D scanner using TFMini-S Lidar alone with Arduino Uno. The Lidar default to cm, but I want to use mm instead. However everywhere I look, I can't find any clear way to do it. After reading the documentation, I discovered the TFMini…
CSHelp762
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How do I get the ARDepthData for a VNRecognizedObjectObservation?

I'm prototyping an app where I use CoreML to identify an object. That gives me a bounding box for the object (which has 4 values all between 0 and 1). I'd like to use the ARDepthData I have access to thanks to having a phone with LiDAR to then…
mikeazo
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Why do I get gibberish text at the end of a received package?

I'm making a LiDAR project for university but I got stuck a little bit. I am sending a package which includes the exact position of the motor and the distance read from the distance sensor through WiFi and the package should look like this…
Fulop Lorand
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How to use iPhone LiDAR sensor with Web app?

I need to create WebAR using iPhone 12's LiDAR sensor. Is that possible to get permission or API to access it? Kindly suggest me the good reference for my requirement.
NaveenSelva
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Can't get multiple poly lines to display in google map code

Image of the current output. I want this to display the polylines as previous data points of where each object has been in past frames.I'm using the library's gmplot and geographiclib.Geodesic to attempt to track objects in a LIDAR payload. The goal…
Evan
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Is there a library that can handle LIDAR data in Windows Python?

I'm looking for a library that can manipulate .liblas data in windows. I'm using windows 10, and my anaconda python version is 3.7. Any help will be appreciated.
Noman Tanveer
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how to convert a .csv file to .bag in python?

I have some VLP16 LiDar data in .csv file format, have to load the data in Ros Rviz for which I need the Rosbag file(.bag). I have tried finding it in the Ros tutorial, what I got was to convert .bag to .csv
bnaqvi
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