Add UrlTemplateImageryProvider

[kaktus40]

Hello,
in response to this question, I made some modifications on TileMapServiceImageryProvider. Now this provider accepts schema in his options that will be used to request a server.

For example if the file server structure to request is "revX/Y/Z" and the extension is gif where:

• revX is the reverse abscissa of tiles ("tilingScheme.getNumberOfXTilesAtLevel(level) - x - 1" in code),
• Y is the ordinate of tiles,
• Z is the level of tiles;

then the code to access to the tiles of the server is

var tms = new Cesium.TileMapServiceImageryProvider({
        url : 'URL/of/TMS',
        fileExtension: 'gif',
        schema: '{revX}/{Y}/{Z}'
     });

then tms.requestImage(3, 1, 2) should request the url "URL/of/TMS/0/1/2.gif" instead of "URL/of/TMS/2/3/2.gif"

[kring]

Thanks @kaktus40. This is very useful. I think it's a bit odd to give TileMapServiceImageryProvider this capability, though. It would be better to create a new imagery provider, maybe called UrlTemplateImageryProvider, that takes a URL template much like the schema you've implemented here. The fileExtension property can go away, too, because the extension can be part of the template. Would you be willing to work on something like that?

[kring]

So basically, your example above would instead look like:

var provider = new Cesium.UrlTemplateImageryProvider({
    url: 'URL/of/TMS/{reverseX}/{Y}/{Z}.gif',

});

(In my example I've also renamed revX to reverseX because we try to avoid abbreviations in Cesium.)

[kaktus40]

Hello,
I can work on it. Do you think there could be a work to do with OGCHelper?

On 18/05/2015 05:02, Kevin Ring wrote:

So basically, your example above would instead look like:

|var provider = new Cesium.UrlTemplateImageryProvider({
url: 'URL/of/TMS/{reverseX}/{Y}/{Z}.gif',

});
|

(In my example of always renamed |revX| to |reverseX| because we try
to avoid abbreviations in Cesium.)

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#2709 (comment).

[kring]

Sorry, I've been putting off a thorough review of your OGCHelper for too long. I'll at least add some initial thoughts over there (#2362).

[pjcozzi]

+1 for the new design. Users will definitionally want this. Thanks for the contribution, @kaktus40.

[kaktus40]

Hello I follow your prescriptions and create a new ImageryProvider based on url template.

[kring]

Thanks @kaktus40, this looks great! I'm going to pull it into a separate branch and tweak a few things before merging it. Do we already have a CLA for you? Can you add yourself to CONTRIBUTORS.md in this pull request?

[kaktus40]

Hello, I have send a CLA in december 2014 or january 2015 and I made a pull with adding myself in the CONTRIBUTORS.md

[kring]

Great, thanks!

[pjcozzi]

Moving this discussion to #2795.