rotationconverter | Simple HTML+JS page to convert

by gaschler HTML Version: v0.1 License: MIT

X-Ray Key Features Code Snippets Community Discussions(2)Vulnerabilities Install Support

kandi X-RAY | rotationconverter Summary

rotationconverter is a HTML library typically used in Utilities applications. rotationconverter has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Simple HTML+JS page to convert between different 3D rotation formats, quaternion, Rodrigues angles, etc.

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Support

rotationconverter has a low active ecosystem.

It has 213 star(s) with 68 fork(s). There are 5 watchers for this library.

It had no major release in the last 6 months.

There are 6 open issues and 2 have been closed. On average issues are closed in 39 days. There are 2 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of rotationconverter is v0.1

Quality

rotationconverter has no bugs reported.

Security

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

License

rotationconverter is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

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

Installation instructions are available. Examples and code snippets are not available.

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rotationconverter Key Features

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rotationconverter Examples and Code Snippets

No Code Snippets are available at this moment for rotationconverter.

Community Discussions

Trending Discussions on rotationconverter

Why does my object in OpenGL rotate in the opposite direction than expected using quaternions?

How do you convert Euler angles to the Axis Angle representation in Python?

QUESTION

Why does my object in OpenGL rotate in the opposite direction than expected using quaternions?

Asked 2021-May-05 at 22:56

I am writing a program with OpenGL/GLUT using the fixed function pipeline (I know, I know, it's university). I've written the Quaternion class from scratch with help of other implementations and the internet and it essentially works fine, but it's rotating along every axis in the opposite direction to what I thought it would.

I thought about posting this on the Math stack exchange, but given it's OpenGL/GLUT I thought it would be better understood here.

The axis below are: green -> Y, red -> X, blue -> Z. The darker sides are the positive directions. I've rotated it a little to show the positive Z axis. The axes are the world coordinate axes.

I have defined pressing "a" as a positive rotation in Y. The right hand rule states that this is a counterclockwise rotation in the Y axis. The image shows the rotation of the cube after pressing "a". As you can see, it has rotated clockwise. This occurs for every axis.

My Quaternion class:

...

ANSWER

Answered 2021-May-05 at 22:56

You build your matrix in row-major order, but glMultMatrixf expects a column-major matrix. Transposing a rotation matrix is equivalent to inverting it, i.e. rotating in the opposite direction.

To fix it, either build your matrix in column-major order, transpose it, or use glMultTransposeMatrixf.

Source https://stackoverflow.com/questions/67401166

QUESTION

How do you convert Euler angles to the Axis Angle representation in Python?

Asked 2019-Nov-22 at 16:46

I am trying to convert Euler angles to the Axis Angle representation in Python. I have already copied the function on this website: https://www.euclideanspace.com/maths/geometry/rotations/conversions/eulerToAngle/ and translated it to Python. However, the Euler order they use here is yzx, while mine is zxy, so this leads to incorrect conversion.

Are there any Python packages that can do this conversion with an Euler order of zxy or can someone supply me with the pseudocode for this transformation?

My code currently looks like this (so I want to make a function called "euler_zxy_to_axis_angle" instead of the one I have now).

...

ANSWER

Answered 2019-Nov-22 at 16:46

So after messing around with the numbers I reassigned values in the equation and got

Source https://stackoverflow.com/questions/58997792

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

Vulnerabilities

No vulnerabilities reported

Install rotationconverter

To generate the minified math part of three.js, call python three.js-master/utils/build/build.py --include math --minify --output three-onlymath.min.js.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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