Craft\Imager_ImagePathsModel::getPathsForLocalImagerFile PHP Method

    private function getPathsForLocalImagerFile($image)
    {
        $imageString = str_replace(craft()->imager->getSetting('imagerUrl'), '', $image);
        $pathParts = pathinfo($imageString);
        $this->sourcePath = craft()->imager->getSetting('imagerSystemPath') . $pathParts['dirname'] . '/';
        $this->targetPath = ImagerService::fixSlashes(craft()->imager->getSetting('imagerSystemPath') . $pathParts['dirname'] . '/');
        $this->targetUrl = craft()->imager->getSetting('imagerUrl') . ImagerService::fixSlashes($pathParts['dirname'] . '/', true);
        $this->sourceFilename = $this->targetFilename = $pathParts['basename'];
    }