How To Download File In DWFX (AutoCad) Format In Rails Active Admin In Rails 4.2

Question

Basically I am using gem 'activeadmin', github: 'Zhomart/active_admin', gem 'carrierwave-mongoid', :require => 'carrierwave/mongoid', branch: 'mongoid-old' and gem 'mini_magick'. I am trying to download Map Image in Autocad Format Like: icon.dwfx , icon.dwg or icon.dxf file extension.I have no idea how i can achieved this in rails. PDF Location: <%= form_tag "admin_form", method: :post do %> Latitude: <%= text_field_tag "lat", nil , placeholder: "Latitude" %> Longitude: <%= text_field_tag "long",nil, placeholder: "Longitude" %> <%= submit_tag "Submit" %> <% end %> function initMap() { var mapOptions = { zoom: 15, center: new google.maps.LatLng(28.5354383,77.26393259999998) }; var map = new google.maps.Map(document.getElementById('map'),mapOptions); var arr = $('#coordinates').data('url') var array = []; for (var i = 0; i < arr.length; i++) { var lat = arr[i][0] var lng = arr[i][1] array[i] = new google.maps.LatLng(lat,lng) } markers = []; var flightPlanCoordinates = [ new google.maps.LatLng(28.5358,77.2764), new google.maps.LatLng(28.5223,77.2849), new google.maps.LatLng(28.5354383,77.26393259999998) ]; var polyline1 = new google.maps.Polyline({ path: array, strokeColor: '#FF0000', strokeOpacity: 1.0, strokeWeight: 2, }); var polyline2 = new google.maps.Polyline({ path: flightPlanCoordinates, strokeColor: '#FF0000', strokeOpacity: 1.0, strokeWeight: 2, }); for (var i = 0; i < polyline1.getPath().getLength(); i++) { var marker = new google.maps.Marker({ position: polyline1.getPath().getAt(i), title: polyline1.getPath().getAt(i).toUrlValue(6), map: map, draggable: true, label: "pole1", icon: { path: google.maps.SymbolPath.CIRCLE, scale: 3 } }); marker.index = i; markers.push(marker); marker.setMap(map); google.maps.event.addListener(marker, 'rightclick', function (event) { var val = confirm('Are you sure you want to delete ?') if ( val == true) { polyline1.getPath().removeAt(this.index) this.setMap(null); markers.pop(marker); } else { return; } });