[udig-devel] [jira] (UDIG-1991) JGTtmsRenderMetricsFactory disabled

["Jody Garnett (JIRA)" <jira@xxxxxxxxxxxx>]

Jody Garnett created UDIG-1991

JGTtmsRenderMetricsFactory disabled

Issue Type:	Bug
Affects Versions:	UDIG 1.4.1
Assignee:	Unassigned
Components:	admin, community jgrass
Created:	25/Apr/13 4:57 AM
Description:	Disabled JGTtmsRenderMetricsFactory until the renderer functionality can be restored. The renderer requires two calculations to be implemented: Generate the tile index for a lat/lon and zoomLevel with tile size Look up the tile index for the provided lat / lon assuming Spherical Mercator. Tile index is based the common web mapping convention of starting at -180,-90 and dividing the world up into tiles based on zoom level. This technique is used by WMS-C, Google Maps and other services. The initial tile is based on the equatoral raidus for the earth from http://en.wikipedia.org/wiki/Figure_of_the_Earth Parameters: lat lon zoom tileSize Used to determine resolution Returns: tile index (array of i,j for col and row) swap the tile index orientation to generate correct filename Swap the tile index orientation between bottom left and top left. Implementations start counting from either bottom left and top left. This method can swap between these two orientation. Parameters: i column of tile j row of tile that needs to be swaped zoomLevel Returns: tile index for TMS
Project:	uDIG
Priority:	Major
Reporter:	Jody Garnett

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