pointcloud | Point cloud visualization | Image Editing library

by mapbox JavaScript Version: Current License: No License

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kandi X-RAY | pointcloud Summary

pointcloud is a JavaScript library typically used in Media, Image Editing, Three.js, D3 applications. pointcloud has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Point cloud visualization

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Support

pointcloud has a low active ecosystem.

It has 28 star(s) with 17 fork(s). There are 86 watchers for this library.

It had no major release in the last 6 months.

There are 1 open issues and 0 have been closed. There are no pull requests.

It has a neutral sentiment in the developer community.

The latest version of pointcloud is current.

Quality

pointcloud has no bugs reported.

Security

pointcloud has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

License

pointcloud does not have a standard license declared.

Check the repository for any license declaration and review the terms closely.

Without a license, all rights are reserved, and you cannot use the library in your applications.

Reuse

pointcloud releases are not available. You will need to build from source code and install.

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pointcloud Key Features

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pointcloud Examples and Code Snippets

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Community Discussions

Trending Discussions on pointcloud

Cannot calculate 2D position from 3D co-ordinates

Example pointclouds with ARCore

I can't seem to get plotly to display multiple graphs

python combined advantages of pd.DataFrame and np.array

No viable overloaded '=' at std::vector

Convert Mujoco Depth Image to Open3D Point Cloud

How to convert 3D cloud datapoints to mesh using python?

Octave puts file read by dlmread to console

PCL not properly installed with vcpkg

iOS Metal how to access elements of a 3x3 matrix using subscripts?

QUESTION

Cannot calculate 2D position from 3D co-ordinates

Asked 2021-Jun-11 at 13:38

I am selecting vertices from a point cloud using angular and three.js. I have been trying to label a selected vertex with its x,y,z information. I have been using these resources in my attempt:

and I can't get either to work as described.

My code currently is:

...

ANSWER

Answered 2021-Jun-11 at 13:38

This is as close as I have managed to get it:

Source https://stackoverflow.com/questions/67924665

QUESTION

Example pointclouds with ARCore

Asked 2021-Jun-09 at 13:00

Can I get some examples about pointclouds with ARCore? I really search it for days. Currently I am working on an application similar to this one:This app

Has the feature to view pcl and save files in .ply format

Thanks

...

ANSWER

Answered 2021-Jun-09 at 13:00

The HelloARSample app renders pointcloud in a scene. You can get the coordinates for each point and save them manually in a .ply format.

Source https://stackoverflow.com/questions/67480008

QUESTION

I can't seem to get plotly to display multiple graphs

Asked 2021-Jun-07 at 04:03

I want to create a nice graph in python, so I used plotly to create a graph, but I get an error.

Maybe because I'm new to plotly, I don't understand the error in this code.
The only thing I can tell is that my code is wrong.
I want to display multiple graphs in plotly.

...

ANSWER

Answered 2021-Jun-07 at 03:56

According to the documentation on adding traces to subplots, the add_trace and append_trace methods only take accept plotly graph_objects. Therefore, your code block:

Source https://stackoverflow.com/questions/67865524

QUESTION

python combined advantages of pd.DataFrame and np.array

Asked 2021-May-27 at 12:14

I process multiple pandas dataframes in my project (approx. 8 columns / 500 rows / numerical data only). It takes a lot of time just to iterate over the data frames (do some calculation stuff with pointclouds …). So, I think about shifting my project from the pd.dataframe approach to the np.array approach. Because numpy has a much better performance (link). But, in my opinion, the python source code becomes more confusing: I.e. select a column:

pandas dataframe_pointcloud[‘magnitude’]

numpy array_pointcloud[:,4]

Is there a good solution that combines the advantages of np.array (faster workflow with numerical data) and pd.dataframe (readability of source code)?

...

ANSWER

Answered 2021-May-27 at 12:13

In general you can first access a dataframe column by its name and then convert it to numpy array using the .to_numpy() method:

Source https://stackoverflow.com/questions/67721365

QUESTION

No viable overloaded '=' at std::vector

Asked 2021-Apr-14 at 15:07

I have this c++ program with the following types:

...

ANSWER

Answered 2021-Apr-14 at 15:07

As can be seen in the error message ...

Source https://stackoverflow.com/questions/67093603

QUESTION

Convert Mujoco Depth Image to Open3D Point Cloud

Asked 2021-Mar-23 at 20:09

I'm trying to generate an Open3D point cloud from a depth image rendered in MuJoCo. My code is below, with the MuJoCo dependency commented out and rendered depth images linked below:

...

ANSWER

Answered 2021-Mar-23 at 20:09

The focal length equation I was using was wrong. The correct camera matrix can be calculated with:

Source https://stackoverflow.com/questions/66663291

QUESTION

How to convert 3D cloud datapoints to mesh using python?

Asked 2021-Mar-17 at 10:58

I have a set of 3D data points that looks similar to sphere. I need these data points to be connected as a watertight mesh so that it can be used for simulation.

I have worked with Meshlab and obtained a reasonable mesh but not watertight.

After this, I have tried with Open3D python library by using ball pivot algorithm. From this, I am unable to obtain water tight mesh as expected. I tried to work with hole_fixer external library (Hole_fixer), but finding and error in installing using cmake.

I have inserted the code and also "xyz" datapoints used for open3D.

...

ANSWER

Answered 2021-Mar-13 at 03:59

To achieve a water tight mesh, you can use o3d.geometry.TriangleMesh.create_from_point_cloud_poisson.

However, Poisson reconstruction requires consistent normal orientation. In your case, you can just orient all normals toward the center of your point cloud. To do that:

Source https://stackoverflow.com/questions/66595268

QUESTION

Octave puts file read by dlmread to console

Asked 2021-Mar-16 at 06:49

myFile.asc is a large point cloud with million of points (rows) in the form of

...

ANSWER

Answered 2021-Mar-16 at 06:49

You can add a semicolon at the end to suppress the output:

Source https://stackoverflow.com/questions/66645934

QUESTION

PCL not properly installed with vcpkg

Asked 2021-Mar-11 at 11:27

I've installed the PCL with the vcpkg using ./vcpkg install pcl:x64-windows.
After a while I've noticed that concave_hull.h, convex_hull.h and qhull.h are not installed with the rest of the library.
Additional information of what I'm working with:

vcpkg tag (2020.11.01)
OS Windows 10
VS Community 16.8.3

For completion's sake I've included the code which lead me to this problem:

...

ANSWER

Answered 2021-Mar-11 at 11:27

After a while I solved the problem by switching to the reentrant qhull version following this guide: http://www.qhull.org/html/README_r.txt.

You have to copy the concave_hull code into files (hpp, h and cpp) within your own project.

Fix the headers and remove the #ifdef HAVE_QHULL in every file and add this chunk of code within your hpp file:

Source https://stackoverflow.com/questions/66546051

QUESTION

iOS Metal how to access elements of a 3x3 matrix using subscripts?

Asked 2021-Mar-05 at 17:58

I got a legacy Apple example that I'm rewriting using modern syntax (example was using Metal with Objective C++). It does a lot of abbreviating, and I'm trying to decode what they are doing with their matrices, and it's rather hard. Part of the problem is that I don't know if they are reading the matrix using [row][column] as in x,y or [column],[row].

I'm looking at this Apple document about working with Matrices, and do not see the type of subscripting they are using in their example. The documentation suggests it is [column],[row]. https://developer.apple.com/documentation/accelerate/working_with_matrices

...

ANSWER

Answered 2021-Mar-05 at 17:58

Matrices in Metal and simd for that matter use column major ordering for matrices. For example, see Working with Matrices:

A matrix is a 2D array of values arranged in rows and columns. [...] It uses a column major naming convention; for example, a simd_double4x2 is a matrix containing four columns and two rows.

Also, if you check out Metal Languages Specification, section 2.3.2, it says:

Matrix components are constructed and consumed in column-major order

What does column-major order mean?

Basically, that means that first subscript in square brackets is going to be the index of the column and the second subscript is index of the row. Also, column major means that matrix is layed out column by column in memory. If you mix-and-match different math libraries, you can get a confusion from that cause some use row-major order.

As for how to write the subscript, it's fairly easy. In the Metal Language Specification, section 2.3.1 there's a code sample

Source https://stackoverflow.com/questions/66491560

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install pointcloud

You can download it from GitHub.

Support

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