undefined projectImages

gistfile1.js

function DisplayImageCtrl($scope, $routeParams, API) {

	var projectImages = null;

	API.get({projectId: $routeParams.projectId}, function(data) {
		projectImages = data['images'];
	})

	for (var i=0; i < projectImages.length; ++i) {
		if (projectImages[i]['image_id'] == imageId) {
			$scope.imageURL = projectImages[i]['image_url'];
		} 
	}

}