Fix tiled elevation coverage absent resource list analysis

NASAWorldWind / WebWorldWind

The NASA WorldWind Javascript SDK (WebWW) includes the library and examples for creating geo-browser web applications and for embedding a 3D globe in HTML5 web pages.

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Fix tiled elevation coverage absent resource list analysis #886

Open ComBatVision opened 2 years ago

ComBatVision commented 2 years ago

Description of the Change

Added analysis of absent resource list missed in the code.

Why Should This Be In Core?

There is a bug in code, which fills absent resource list but never check it.

Benefits

Missed elevation tiles will not be requested too often.

Potential Drawbacks

None

Applicable Issues

None