mgTileSeeder Zoom Levels

[GordonL]

Has anyone managed to get mgTileSeeder to get to level 20 (like OSM)?

https://wiki.openstreetmap.org/wiki/Zoom_levels





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[Jackie Ng]

If you're having issues fetching OSM tiles it may be because public OSM I'm
pretty sure is rate-limited.

- Jackie



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[GordonL]

I was hoping to generate xyz tiles from my MapGuide layers up to level 20.  Currently the mgTileSeeder does 0-19.  

On Fri, Jan 8, 2021, 2:38 AM Jackie Ng <[hidden email]> wrote:

If you're having issues fetching OSM tiles it may be because public OSM I'm
pretty sure is rate-limited.

- Jackie



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[Jackie Ng]

Oh I see. I thought XYZ layers only went up to 19 but according to this
(https://wiki.openstreetmap.org/wiki/Zoom_levels) that is clearly not the
case.

Tracking the issue here:
https://github.com/jumpinjackie/mapguide-maestro/issues/95

- Jackie



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[Jackie Ng]

Try this build of MgTileSeeder

https://ci.appveyor.com/api/buildjobs/lc4743i3l6c7llsn/artifacts/artifacts%2FMgTileSeeder-win-x64-6.0.0.326.zip

I added 2 new optional arguments for the xyz command:

 --max-zoom-level (the maximum zoom level. Default is 19)
 --specific-zoom-levels (an array of zoom levels to walk through. Default is
to walk through from 0 to 19 or custom max zoom level)

- Jackie



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[GordonL]

Thanks Jackie,
I get the following:

Unhandled exception. System.InvalidOperationException: Sequence contains no
elements
   at System.Linq.ThrowHelper.ThrowNoElementsException()
   at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source)
   at
CommandLine.Core.InstanceBuilder.<>c__1`1.<BuildMutable>b__1_6(SpecificationProperty
sp)
   at
CommandLine.Core.ReflectionExtensions.<>c__DisplayClass6_0`1.<SetProperties>b__0(SpecificationProperty
specProp)
   at System.Linq.Enumerable.SelectManySingleSelectorIterator`2.MoveNext()
   at System.Collections.Generic.List`1.InsertRange(Int32 index,
IEnumerable`1 collection)
   at System.Collections.Generic.List`1.AddRange(IEnumerable`1 collection)
   at CommandLine.Core.InstanceBuilder.BuildMutable[T](Maybe`1 factory,
IEnumerable`1 specPropsWithValue, List`1 setPropertyErrors)
   at CommandLine.Core.InstanceBuilder.<>c__DisplayClass0_0`1.<Build>b__5()
   at CommandLine.Core.InstanceBuilder.Build[T](Maybe`1 factory, Func`3
tokenizer, IEnumerable`1 arguments, StringComparer nameComparer, Boolean
ignoreValueCase, CultureInfo parsingCulture, Boolean autoHelp, Boolean
autoVersion, IEnumerable`1 nonFatalErrors)
   at CommandLine.Core.InstanceChooser.MatchVerb(Func`3 tokenizer,
IEnumerable`1 verbs, IEnumerable`1 arguments, StringComparer nameComparer,
Boolean ignoreValueCase, CultureInfo parsingCulture, Boolean autoHelp,
Boolean autoVersion, IEnumerable`1 nonFatalErrors)
   at CommandLine.Core.InstanceChooser.<>c__DisplayClass0_0.<Choose>b__0()
   at CommandLine.Core.InstanceChooser.Choose(Func`3 tokenizer,
IEnumerable`1 types, IEnumerable`1 arguments, StringComparer nameComparer,
Boolean ignoreValueCase, CultureInfo parsingCulture, Boolean autoHelp,
Boolean autoVersion, IEnumerable`1 nonFatalErrors)
   at CommandLine.Parser.ParseArguments(IEnumerable`1 args, Type[] types)
   at CommandLine.ParserExtensions.ParseArguments[T1,T2,T3,T4](Parser
parser, IEnumerable`1 args)
   at MgTileSeeder.Program.Main(String[] args) in
C:\projects\mapguide-maestro\MgTileSeeder\Program.cs:line 209
   at MgTileSeeder.Program.<Main>(String[] args)


with the following command:
mgTileSeeder xyz --url
"http://localhost/mapguide/mapagent/mapagent.fcgi?OPERATION=GETTILEIMAGE&VERSION=1.2.0&CLIENTAGENT=OpenLayers&USERNAME=Anonymous&MAPDEFINITION=Library://Samples/Sheboygan/TileSets/SheboyganXYZ.TileSetDefinition&BASEMAPLAYERGROUPNAME=Base+Layer+Group&TILECOL={y}&TILEROW={x}&SCALEINDEX={z}"
--max-zoom-level 21 --minx -87.7978 --miny 43.6868 --maxx -87.6645 --maxy
43.8037

Even if I remove the --max-zoom-level 21

thanks
gordon




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[Jackie Ng]

I messed up how --specific-zoom-levels is setup.

Try this build:
https://ci.appveyor.com/api/buildjobs/xum4co5ub47il3o1/artifacts/artifacts%2FMgTileSeeder-win-x64-6.0.0.327.zip

- Jackie



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