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I am using vector_map_tiles together with flutter_map and loading vector map tiles from map tile provider viamap.
I am using the following code to load the tiles (stylesheet seems to load just fine):
VectorTileProvider _tileProvider(String tileUrl) => NetworkVectorTileProvider(urlTemplate: tileUrl, maximumZoom: maxZoom);VectorTileLayer(
theme: style.theme,
sprites: style.sprites,
maximumZoom: 14,
tileProviders: TileProviders({'viavector': _tileProvider(tileModel.styleUrl!)})
);but this gives me a bunch of these errors:
InvalidProtocolBufferException: Protocol message tag had invalid wire type.I also tried with this code:
VectorTileLayer(
theme: style.theme,
sprites: style.sprites,
tileOffset: TileOffset.mapbox,
layerMode: VectorTileLayerMode.vector, maximumZoom: 14, tileProviders: TileProviders({'viavector': _tileProvider(tileModel.styleUrl!)})
);Which basicly gives the same errors, but with more information:
Unhandled Exception: InvalidProtocolBufferException: Protocol message tag had invalid wire type.
E/flutter (17464): #0 UnknownFieldSet.mergeFieldFromBuffer (package:protobuf/src/protobuf/unknown_field_set.dart:80:9)
E/flutter (17464): #1 UnknownFieldSet.mergeFromCodedBufferReader (package:protobuf/src/protobuf/unknown_field_set.dart:88:24)
E/flutter (17464): #2 CodedBufferReader.readUnknownFieldSetGroup (package:protobuf/src/protobuf/coded_buffer_reader.dart:89:21)
E/flutter (17464): #3 UnknownFieldSet.mergeFieldFromBuffer (package:protobuf/src/protobuf/unknown_field_set.dart:71:32)
E/flutter (17464): #4 UnknownFieldSet.mergeFromCodedBufferReader (package:protobuf/src/protobuf/unknown_field_set.dart:88:24)
E/flutter (17464): #5 CodedBufferReader.readUnknownFieldSetGroup (package:protobuf/src/protobuf/coded_buffer_reader.dart:89:21)
E/flutter (17464): #6 UnknownFieldSet.mergeFieldFromBuffer (package:protobuf/src/protobuf/unknown_field_set.dart:71:32)
E/flutter (17464): #7 _mergeFromCodedBufferReader (package:protobuf/src/protobuf/coded_buffer.dart:46:38)
E/flutter (17464): #8 GeneratedMessage.mergeFromBuffer (package:protobuf/src/protobuf/generated_message.dart:192:5)
E/flutter (17464): #9 new VectorTile.fromBuffer (package:vector_tile/raw/proto/vector_tile.pb.dart:340:128)
E/flutter (17464): #10 VectorTile.fromBytes (package:vector_tile/vector_tile.dart:24:33)
E/flutter (17464): #11 VectorTileReader.read. (package:vector_tile_renderer/src/vector_tile_reader.dart:10:25)
E/flutter (17464): #12 Timeline.timeSync (dart:developer/timeline.dart:173:22)
E/flutter (17464): #13 profileSync (package:vector_tile_renderer/src/profiling.dart:16:19)
E/flutter (17464): #14 VectorTileReader.read (package:vector_tile_renderer/src/vector_tile_reader.dart:9:12)
E/flutter (17464): #15 _createTile (package:vector_map_tiles/src/cache/vector_tile_loading_cache.dart:139:44)
E/flutter (17464): #16 _Job.apply (package:executor_lib/src/queue_executor.dart:97:59)
E/flutter (17464): #17 QueueExecutor._runOneAndReschedule (package:executor_lib/src/queue_executor.dart:52:34)
E/flutter (17464): #18 _microtaskLoop (dart:async/schedule_microtask.dart:40:21)
E/flutter (17464): #19 _startMicrotaskLoop (dart:async/schedule_microtask.dart:49:5)The URL I use for the tile provider gives me this JSON (is this correct, is this the correct URL?):
code>{
"tiles": [
"/{z}/{x}/{y}/?token=XXX",
"/{z}/{x}/{y}/?token=XXX",
"/{z}/{x}/{y}/?token=XXX",
"/{z}/{x}/{y}/?token=XXX"
],
"attribution": "© viamap ApS © OpenStreetMap contributors",
"description": "A tileset showcasing all layers provided by viamap.",
"format": "pbf",
"pixel_scale": "256",
"minzoom": 0,
"maxzoom": 16,
"tilejson": "2.0.0",
"id": "viavector",
"name": "viavector",
"vector_layers": [
{
"maxzoom": 16,
"fields": {
"class": "String"
},
"minzoom": 0,
"id": "water",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"name:nonlatin": "String",
"class": "String",
"name": "String",
"brunnel": "String",
"name:latin": "String"
},
"minzoom": 0,
"id": "waterway",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"class": "String",
"subclass": "String"
},
"minzoom": 0,
"id": "landcover",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"class": "String"
},
"minzoom": 0,
"id": "landuse",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"name": "String",
"name:nonlatin": "String",
"name:latin": "String",
"rank": "Number",
"ele": "Number",
"osm_id": "Number",
"ele_ft": "Number"
},
"minzoom": 0,
"id": "mountain_peak",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"class": "String"
},
"minzoom": 0,
"id": "park",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"admin_level": "Number",
"disputed": "Number",
"maritime": "Number"
},
"minzoom": 0,
"id": "boundary",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"ref": "String",
"class": "String"
},
"minzoom": 0,
"id": "aeroway",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"layer": "Number",
"indoor": "Number",
"service": "String",
"oneway": "Number",
"brunnel": "String",
"level": "Number",
"ramp": "Number",
"class": "String",
"subclass": "String"
},
"minzoom": 0,
"id": "transportation",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"render_min_height": "Number",
"render_height": "Number",
"osm_id": "Number"
},
"minzoom": 0,
"id": "building",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"name:nonlatin": "String",
"class": "String",
"name": "String",
"name:latin": "String"
},
"minzoom": 0,
"id": "water_name",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"layer": "Number",
"name:nonlatin": "String",
"indoor": "Number",
"class": "String",
"network": "String",
"name": "String",
"level": "Number",
"ref_length": "Number",
"subclass": "String",
"name:latin": "String",
"ref": "String"
},
"minzoom": 0,
"id": "transportation_name",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"name": "String",
"name:nonlatin": "String",
"name:latin": "String",
"rank": "Number",
"capital": "Number",
"iso_a2": "String",
"class": "String"
},
"minzoom": 0,
"id": "place",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"housenumber": "String"
},
"minzoom": 16,
"id": "housenumber",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"name": "String",
"name:nonlatin": "String",
"subclass": "String",
"rank": "Number",
"name:latin": "String",
"class": "String",
"agg_stop": "Number"
},
"minzoom": 0,
"id": "poi",
"description": ""
},
{
"maxzoom": 16,
"fields": {
"icao": "String",
"iata": "String",
"name": "String",
"osm_id": "Number",
"ele_ft": "Number",
"name:nonlatin": "String",
"name:latin": "String",
"class": "String",
"ele": "Number"
},
"minzoom": 0,
"id": "aerodrome_label",
"description": ""
}
],
"bounds": [
-180,
-89.9511,
180,
89.9511
],
"version": "1.0",
"type": "vector"
}
Any ideas on what I should try to move forward with this?
Thank you
Søren
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