libvips | A fast image processing library with low memory needs | Computer Vision library
kandi X-RAY | libvips Summary
kandi X-RAY | libvips Summary
libvips is a demand-driven, horizontally threaded image processing library. Compared to similar libraries, libvips runs quickly and uses little memory. libvips is licensed under the LGPL 2.1+. It has around 300 operations covering arithmetic, histograms, convolution, morphological operations, frequency filtering, colour, resampling, statistics and others. It supports a large range of numeric types, from 8-bit int to 128-bit complex. Images can have any number of bands. It supports a good range of image formats, including JPEG, JPEG2000, JPEG-XL, TIFF, PNG, WebP, HEIC, AVIF, FITS, Matlab, OpenEXR, PDF, SVG, HDR, PPM / PGM / PFM, CSV, GIF, Analyze, NIfTI, DeepZoom, and OpenSlide. It can also load images via ImageMagick or GraphicsMagick, letting it work with formats like DICOM. It comes with bindings for C, C++, and the command-line. Full bindings are available for Ruby, Python, PHP, C# / .NET, Go, and Lua. libvips is used as an image processing engine by sharp (on node.js), bimg, sharp for Go, Ruby on Rails, carrierwave-vips, mediawiki, PhotoFlow and others. The official libvips GUI is nip2, a strange combination of a spreadsheet and a photo editor.
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Trending Discussions on libvips
QUESTION
I am trying to deploy functions to firebase using my Mac M1, for which it was required to do an npm install
to install packages in node_modules/
.
I am getting this error:
ANSWER
Answered 2021-Aug-17 at 08:37Usually someone having a Mac M1 would have this issue. The Mac M1 processor is arm64
. There was a solution posted here which requires to change terminal architecture to arch -x86_64 zsh
which I did not want to do.
So, that's the workaround I was able to discover (some of the steps also mentioned in the error):
QUESTION
I have been trying for ages to set up the dev environment for a new macbook. I could get my project from github just fine but whenever I run npm install
to fetch the dependencies I encounter this gyp
error. I have tried upgrading and downgrading node
, clearing the cache. Deleting and re-setting up node_modules
, but the error always remains the same. Any insight would be very much appreciated.
ANSWER
Answered 2022-Feb-17 at 12:40It's not an error due to npm.
NPM install the package that has a build script to build node-gyp. The build fails due to the license agreement with :
You have not agreed to the Xcode license agreements, please run 'sudo xcodebuild -license' from within a Terminal window to review and agree to the Xcode license agreements.
so just run the command to accept the license agreement
QUESTION
When running node.js in Docker, with sharp.js lib I am getting "invalid instruction" error and it exits with code 1.
This is likely related to "libvips" used by sharp.js, that requires C compiler. I tried using various base Docker images, and so far all get same error. Any suggestion would be helpful.
Here is minimum reproducible set:
When const sharp = require("sharp");
is commented out it works.
When it is included, getting this error Illegal instruction
Dockerfile
...ANSWER
Answered 2021-Dec-28 at 23:35This issue is related to CPU instructions used by current version sharp.js lib that are not supported by some older processors. Resolved by setting exact older version of sharp.js lib, based on this useful answer here:
NodeJS: Illegal instruction (core dumped) Error after using sharp library
this solved issue
QUESTION
I am running this command
docker build -t project
and on step 13 the installation fails
here is docker file contents
ANSWER
Answered 2021-Dec-08 at 13:47the issue was resolved by updating node-alpine to 14 and updating sharp library to 0.29.1
QUESTION
I am using PHP libvips library when I am using this function writeToBuffer for write to buffer the image it gives me below types of error.
...ANSWER
Answered 2021-Nov-15 at 10:44By default libvips will only load the first frame of an animation. To load all frames, set the n
parameter (number of pages) to -1. Use:
QUESTION
wasm-vips is a browser/node wrapper for libvips
Goals:
Using wasm-vips
- Upscale image using interpolator such as lanzcos3 or nohalo
- In the upscale method pass in a buffer instead of reading the image from a file
Example reading an image
...ANSWER
Answered 2021-Oct-25 at 09:25I would guess:
QUESTION
I find this answer, and I want to use pyvips to resize images. In the mentioned answer and the official documentation image resized by scale. However, I want to resize the image to a specific height and width. Is there any way to achieve this with pyvips?
...ANSWER
Answered 2021-Sep-28 at 14:12The thumbnail operation in pyvips will resize to fit an area. For example:
QUESTION
I executed npm install
on gatsby js directory on Mac.
macOs is Big Sur
Version is 11.4.
gatsby version is 3.11.0
gatsby-plugin-sharp version is 3.11.0
this error log is shown.
...ANSWER
Answered 2021-Aug-09 at 10:37I installed OpenEXR. I resloved this error.
https://github.com/AcademySoftwareFoundation/openexr/blob/master/INSTALL.md
QUESTION
How can I convert images to WEBP format before sending them to AWS S3 in my NUXT app?
I have a photo upload on my website, I would like to convert the images from the file input to WEBP
format before uploading to the Amazon web service. Unlike NodeJS where I can import sharp and use it to convert the images to WEBP format, it is not the case here as I get an error like the like below
ANSWER
Answered 2021-Jul-12 at 15:26you could use the packages imagemin
and imagemin-webp
as answered here: Convert Images to webp with Node
QUESTION
i tried using this in my Nuxt project, but it failed upon compiling
in my plugin/sharp.js
...ANSWER
Answered 2021-Jul-12 at 00:52sharp is a Node.js package, hence this will not work with Vue. At least, not in the client context.
You are probably better optimizing your images ahead of time or via a service like Cloudinary.
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