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README.md

node-pastec

Node module for interacting with a Pastec server.

var pastec = require("pastec")({
    server: "localhost:4212"
});

pastec.add("test.jpg", "1234", function() {
    pastec.fileSimilar("test.jpg", function(err, matches) {
        console.log("Similar images:");
        matches.forEach(function(item) {
            console.log(" - ", item.filepath);
        });
    });
});

Installation

npm install pastec

API

add(fileName, id, callback)

Upload an image file to a Pastec server and assign it the specified ID for later retrieval. For example if you were to upload:

add("/var/data/test.jpg", "1234")

You should end up with a file with an ID of: 1234 in the Pastec index.

fileSimilar(filePath, callback)

Given the path to an image file, return an array of similar images from the database (in the same format as the urlSimilar() method). For example:

pastec.fileSimilar("test.jpg", function(err, matches) {
    matches.forEach(function(match) {
        console.log(match.filepath + " " + match.score + "% match.");
    });
});

The image is not added to the Pastec index. The object returned as a match would look something like this:

{
    "filepath":"./3107100095036_002.jpg",
    "rects":{"height":636,"width":421,"x":43,"y":62},
    "score":42
}

urlSimilar(url, callback)

Given the URL of an image, return an array of similar images from the database (in the same format as the fileSimilar() method). For example:

pastec.urlSimilar("http://test.com/test.jpg", function(err, matches) {
    matches.forEach(function(match) {
        console.log(match.id + " " + match.score + "% match.");
    });
});

The image at the specified URL is not added to the Pastec index. The object returned as a match would look something like this:

{
    "id":"./3107100095036_002.jpg",
    "rect":{"height":636,"width":421,"x":43,"y":62},
    "score":42
}

del(ID, callback)

Given a specified Pastec file ID (for example 1234), delete that particular image from the index. It will no longer be returned in the results.

list(callback)

Returns an object that holds all the IDs that are currently in the index.

saveIndex(indexFile, callback)

Save the image similarity index to the server at the specified indexFile location. Note that the path to the indexFile is to a path relative to the server, not the local environment.

Credits

Created by John Resig.

Released under an MIT license.

About

Node module for using a Pastec server.

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