37 lines
		
	
	
		
			792 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			792 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| 'use strict';
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| 
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| var S2 = require('../src/s2geometry.js').S2;
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| 
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| for(var level = 1; level <= 20; level++) {
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| 	var success = 0;
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| 	var total = 0;
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| 	for (var x = -180.0; x < 180; x += 0.5) {
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| 		for (var y = -180.0; y < 180; y += 0.5) {
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| 
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| 				var latlng = { lat: x, lng: y };
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| 				var cell = S2.S2Cell.FromLatLng(latlng, level);
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| 				var quadKey = cell.toHilbertQuadkey();
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| 				var cell2 = S2.S2Cell.FromHilbertQuadKey(quadKey);
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| 
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| 				if(cell.face != cell2.face ||
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| 					cell.ij[0] != cell2.ij[0] ||
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| 					cell.ij[1] != cell2.ij[1] ||
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| 					cell.level != cell2.level)
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| 					{
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| 						/*console.log({
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| 							cell: cell,
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| 							cell2: cell2})*/
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| 
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| 					}
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| 					else
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| 					{
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| 						success++;
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| 					}
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| 					total++;
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| 				// check equal
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| 		}
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| 	}
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| 
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| 	console.log("level:" + level + "\t total:" + total + "\t success:" + success);
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| }
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