PHP code example of macocci7 / php-plotter2d

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

macocci7 / php-plotter2d example snippets

use Macocci7\PhpPlotter2d\Transformer;

$transformer = new Transformer(
    viewport: ['x' => [-1, 4], 'y' => [-2, 3]],
    plotarea: [
        'width' => 400,
        'height' => 400,
    ],
);

$points = $transformer->getCoords([
    [-0.5, -1.2],
    [1.3, 0.6],
    [3.4, 2.8],
]);

acocci7\PhpPlotter2d\Plotter;

$canvas = Plotter::make(
    canvasSize: ['width' => 800, 'height' => 400],  // 

$canvas->drawText('Basic Usage', 300, 20, 32, valign: 'top');

$canvas
    ->drawText('Handling Canvas', 300, 20, 32, valign: 'top')
    ->save('img/HandlingCanvas.png');

acocci7\PhpPlotter2d\Plotter;

$canvas = Plotter::make(
    canvasSize: [
        'width' => 800,     //     'y' => [-5, 5],     // -5 <= y <= 5
    ],
    plotarea: [
        // 20pix from left edge, 30pix from top edge
        // default=(10% of the canvas)
        'offset' => [20, 30],
        'width' => 640, // in pix, default=(80% of the canvas)
        'height' => 360 // in pix, default=(80% of the canvas)
        'backgroundColor' => '#dddddd', // defautl='#ffffff'
        'placeAutomatically' => false, // default=true
    ],
    backgroundColor: '#0000cc',  // optional, default='#ffffff'
);

// boxrange: (-3.5, 4.2) - (2.5, 2.3)
// backgroundColor: '#ffff99'
// borderWidth: 1 (pix)
// borderColor: '#0000ff'
$canvas
    ->plotBox(-3.5, 4.2, 2.5, 2.3, '#ffff99', 1, '#0000ff')
    ->save('img/HandlingPlotarea.png');

$canvas
    ->plotBox(-3.5, 4.2, 2.5, 2.3, '#ffff99', 1, '#0000ff')
    ->placePlotarea()
    ->save('img/HandlingPlotarea.png');

use Macocci7\PhpPlotter2d\Transformer;

$transformer = new Transformer(
    viewport: ['x' => [-1, 4], 'y' => [-2, 3]],
    plotarea: [
        'width' => 400,
        'height' => 400,
    ],
);

$x = -0.5;
$y = 2.8;
$coord = $transformer->getCoord($x, $y);
echo "({$x}, {$y}) -> ({$coord['x']}, {$coord['y']})" . PHP_EOL;

$transformer->getCoord(-0.5, 2.8);

['x' => 40, 'y' => 16]

$transformer->getCoords([
    [-0.5, -1.2],
    [1.3, 0.6],
    [3.4, 2.8],
]);

[
    0 => [40, 336],
    1 => [184, 192],
    2 => [352, 16],
]

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