set density parameter for imagick with php

Question

I want to convert a pdf page to a png image with Imagick.

I tried with PHP, but the image quality was very low.
When I tried with command line, the result was pe

Answer 1

You need to set Resolution before you read the file.

$im = new imagick();
$im->setResolution(200,200);
$im->readImage(__DIR__ . DIRECTORY_SEPARATOR.$PDFName.'['.$i.']');

Than, the result will be perfect.

Hope this help someone.

Answer 2

From the manual http://php.net/manual/en/imagick.setresolution.php

Imagick::setResolution() must be called before loading or creating an image.

See this answer Pdf to image using php-imagick api