Debug text bboxes in #iD

debug_text_bboxes.js

        // debug
        var gj = rtree.all().map(function(d) {
            return { type: 'Polygon', coordinates: [[
                [d[0], d[1]], [d[2], d[1]], [d[2], d[3]], [d[0], d[3]], [d[0], d[1]]
            ]]};
        });

        var debug = label.selectAll('.layer-debug').data([0]);

        debug.enter()
            .append('g')
            .attr('class', 'layer-debug');

        var debugboxes = debug.selectAll('.map-in-map-bbox').data(gj);

        debugboxes.enter()
            .append('path')
            .attr('class', 'map-in-map-bbox');

        debugboxes
            .attr('d', d3.geo.path().projection(null));

        debugboxes.exit()
            .remove();