add tests around mbTile SQKM calculation

2020-07-09 17:03:21 -07:00
parent df57126f97
commit d6bd7c5a66
6 changed files with 216 additions and 2 deletions
@@ -11,6 +11,7 @@ var tiletype = require('@mapbox/tiletype');
 var ZXYStream = require('./zxystream');
 var queue = require('d3-queue').queue;
 var os = require('os');
+var utils = require('./utils.js');

 if (process.env.BRIDGE_LOG_MAX_VTILE_BYTES_COMPRESSED) {
    var stats = { max:0, total:0, count:0 };
@@ -192,6 +193,15 @@ MBTiles.prototype.getTile = function(z, x, y, callback) {
                if (stats.max < tileDataLength) {
                    stats.max = tileDataLength;
                }
+                var area = stats.hasOwnProperty(z)
+                    ? stats[z] + utils.calculateTileArea(z, x, y)
+                    : utils.calculateTileArea(z, x, y);
+
+                stats = {
+                    ...stats,
+                    [z]: area
+                };
+
            }
            return callback(null, row.tile_data, headers);
        }