Cartodb tooltips don't appear when zoom value is not an integer

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Building a custom cartodb map here using the createLayer process. With the vast difference in visual appearance and scale between zoom levels of 4 and 5, I am aiming to default to a zoom level of 4.5. This works perfectly fine as far as the map view goes. However, when I am at this zoom level, none of the tooltips show up. They work at any other integer zoom level.

var options = { center: [13, -2], zoom: 4.5, minZoom: 4.5, maxZoom: 7 } var layerSource = { user_name: '[username]', type: 'cartodb', sublayers: [ { sql: "SELECT * FROM ptv_ad_views_by_dma_2015q4", cartocss: generateCSS("ads_0600"), interactivity: "cartodb_id,dma_name,ads_0600" }, { sql: "SELECT * FROM ptv_ad_views_by_dma_2015q4", cartocss: generateCSS("ads_0700"), interactivity: "cartodb_id,dma_name,ads_0700" }, ... (a dozen other sublayers) } var map_object = new L.Map("map", options); var num_sublayers, map_layer; cartodb.createLayer(map_object, layerSource) .addTo(map_object) .done(function(layer){ num_sublayers = layer.getSubLayerCount(); map_layer = layer; var sublayer; for (var i = 0; i < num_sublayers; i++) { sublayer = layer.getSubLayer(i); sublayer.setInteractivity('cartodb_id,dma_name,'+layerValues); var testTooltip = layer.leafletMap.viz.addOverlay({ type: 'tooltip', layer: sublayer, template: '{{dma_name}}
{{'+layerValues+'}} ads


', width: 200, position: 'bottom|right' }); } hideAllSublayers(); map_layer.getSubLayer(defaultLayer).show(); populateTitle(defaultLayer); currentLayer = defaultLayer; }) .error(function(err){ console.log("An error occurred: " + err); }); Note that for some reason, the standard append line I've seen in support docs does not work and is not necessary for my map, in case you're wondering why I don't have it in there:

$('#map').append(testTooltip.render().el);

Any ideas of why these tooltips don't show up in non-integer zoom levels?



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