Custom Loop

/**
* Outputs a custom loop
*/
add_action( 'genesis_loop', 'genesis_kris_loop2' );
            wp_reset_query();

function genesis_kris_loop2() {
            $cat_order = get_field('category_order');
            // get all the categories from the database
      $cats = get_categories(       array (
            'meta_key' => 'category_order',
      'orderby'   => $cat_order, //or 'meta_value_num'
            'count',
            'posts_per_page' => -1,
            'exclude' => '1, 7, 6, 8, 9, 10',
            'order' => 'ASC',
            ) );

                    // loop through the categries
                    foreach ($cats as $cat) {
                        // setup the cateogory ID
                        $cat_id= $cat->term_id;
                        // Make a header for the cateogry
                        echo '<h2 class=slider-heading>'.$cat->name.'</h2>';
                        echo '<div class="owl-demo">';
                        // create a custom wordpress query
                        query_posts("cat=$cat_id&post_type=case-study&post_per_page=-1&order=ASC"); //-1 shows all posts per category.
                        // start the wordpress loop!
        if (have_posts()) : while (have_posts()) : the_post();
                echo '<div class="item2"><a href="' . get_permalink() . '">';
                    if ( has_post_thumbnail() ) {
                            the_post_thumbnail('slide-thumb');
                    }
                  echo '<h3 class="bloghead2">';
                   the_title();
                   echo '</h3>';
                  echo '</a></div>';
                endwhile;

                endif; // done our wordpress loop. Will start again for each category ?>
        </div>
            <?php }
}