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Example code of mgrechanik/image-points-searcher

Informations about the package image-points-searcher

Searching for points on image

Русская версия

Table of contents

Goal

This library allows to find the coordinates of the points you are looking for on an image ( format).

The point is the set of nearby pixels of choosen color.

For example, when you draw a graph on the image, we will find it's vertices.

Out of the box we have two strategies to determite our points.

    • when the point is different from background color. Default behavior. See Demo, picture 1.
    • when point is defined by it's exact color. See Demo, picture 2.

You can create your own strategy and use it.

Points could be of different size, so they could be easily seen, not just 1px size. We use parameter to determine all those pixels as one point.

The result of the search work is an array of points, represented by their X and Y coordinates.

We also give you , who creates the image of the search result:

Demo

Determine points with strategy , Picture 1: Determine points on image

Determine points with strategy, Picture 2: Determine points on image

Installing

Installing through composer:

The preferred way to install this library is through composer.

Either run

or add

to the require section of your composer.json.

Search for points

Search for points with strategy

The result will be like this:

Search for points with strategy

Display search result

All versions of image-points-searcher with dependencies

PHP Build Version
Package Version
Requires php Version ^8.0
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