Print a Google Charts [map module] with no data / pinpoint -
i use google charts print map pinpoints. happens have no data show up, want print maps, no data / no pinpoints.
if use:
google.load('visualization', '1.0', {'packages':['corechart', 'map']}); google.setonloadcallback(drawchart); function drawchart() { var data = google.visualization.arraytodatatable([[]]); var options = { zoomlevel: 2, showtip: true, streetviewcontrol: false } var map = new google.visualization.map(document.getelementbyid('map_container')); map.draw(data, options); }
it returns error:
the columns type not match supported data format. see documentation supported formats.
if set
var data = google.visualization.arraytodatatable([['lat', 'long'], [null, null]]);
it draws gray box error:
no data points show on map
how can draw map using google charts no pinpoint?
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