cartodb/torque
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fixe rendering when resolution > 1

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javi 2013-11-18 13:41:01 +01:00
parent c47d957674
commit f55daf4886
2 changed files with 10 additions and 8 deletions
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12
lib/torque/provider.json.js
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@ -90,17 +90,17 @@
var rowsPerSlot = {};
var max = 0;
var min = 500;
var idx_max = -1;
// precache pixel positions
for (var r = 0; r < rows.length; ++r) {
var row = rows[r];
if (row.x__uint8 > max) { max = row.x__uint8; idx_max = r }
min = Math.min(row.x__uint8, min)
x[r] = row.x__uint8 * this.options.resolution;
// fix value when it's in the tile EDGE
// TODO: this should be fixed in SQL query
if (row.y__uint8 === -1) {
y[r] = 0;
} else {
y[r] = row.y__uint8 * this.options.resolution;
}
var dates = row.dates__uint16;
var vals = row.vals__uint8;

4
lib/torque/renderer/point.js
View File

@ -112,8 +112,10 @@
ctx.globalCompositeOperation = this.options.blendmode;
}
if (this.options.cumulative && key > tile.maxDate) {
//TODO: precache because this tile is not going to change
key = tile.maxDate - 1;
}
var tileMax = this.options.resolution * (256/this.options.resolution - 1)
var activePixels = tile.timeCount[key];
if(activePixels) {
var pixelIndex = tile.timeIndex[key];
@ -128,7 +130,7 @@
//var x = tile.x[posIdx]*res - (sp.width >> 1);
//var y = (256 - res - res*tile.y[posIdx]) - (sp.height >> 1);
var x = tile.x[posIdx]- (sp.width >> 1);
var y = 255 - tile.y[posIdx]; // flip mercator
var y = tileMax - tile.y[posIdx]; // flip mercator
ctx.drawImage(sp, x, y - (sp.height >> 1));
}
}