[SOLVED] snippets & paths

$page = $modx->getObject('modResource', $id);
$fileUrl = $page->getSourceFile();

$filePath = MODX_BASE_PATH . $filePath;

// or if you really want a URL

$fileUrl = MODX_BASE_URL . $filePatch;

$options = array();
$options['resource_static_path'] = 'some/path';
$filePath = $page->getSourceFile($options);

 /**
     * Get the absolute path to the static source file represented by this instance.
     *
     * @param array $options An array of options.
     * @return string The absolute path to the static source file.
     */
    public function getSourceFile(array $options = array()) {
        if (empty($this->_sourceFile)) {
            $filename = parent :: getContent($options);
            if (!empty($filename)) {
                $array = array();
 
                if ($this->xpdo->getParser() && $this->xpdo->parser->collectElementTags($filename, $array)) {
                    $this->xpdo->parser->processElementTags('', $filename);
                }
            }
 
            if (!file_exists($filename)) {
                $this->_sourcePath= $this->xpdo->getOption('resource_static_path', $options, $this->xpdo->getOption('base_path'));
                if ($this->xpdo->getParser() && $this->xpdo->parser->collectElementTags($this->_sourcePath, $array)) {
                    $this->xpdo->parser->processElementTags('', $this->_sourcePath);
                }
                $this->_sourceFile= $this->_sourcePath . $filename;
            } else {
                $this->_sourceFile= $filename;
            }
        }
        return $this->_sourceFile;
    }

$path = str_replace(MODX_BASE_URL, MODX_BASE_PATH, $url);