Mercurial > repos > other > exif-graphr

changeset 7:a803fabf200e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix overflow for bee positions with lots of photos at one time
author IBBoard <dev@ibboard.co.uk>
date Sat, 03 Jun 2017 20:54:14 +0100
parents 865243a387a5
children 58bd10d0c78e
files exif-graphr.js
diffstat 1 files changed, 13 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/exif-graphr.js	Mon May 29 16:53:54 2017 +0100
+++ b/exif-graphr.js	Sat Jun 03 20:54:14 2017 +0100
@@ -246,7 +246,9 @@
 var timelineScale = d3.scaleTime().rangeRound([0,960]);
 var timelineAxis = d3.axisBottom(timelineScale);
 var timelineAxes = timeline.append("g").attr("transform", "translate(0,75)");
-var timelineNodes = timeline.append("g");
+var timelineNodes = timeline.append("g").attr("transform", "translate(0,75)");
+var furthestBee = -Infinity;
+var maxBeeDistance = 70;
 
 function update() {
 	var photos = [];
@@ -374,12 +376,21 @@
 		.orientation('horizontal')
 		.side('symetric')
 		.arrange();
+	furthestBee = d3.max(swarm, function(bee) { return Math.abs(bee.y);});
 	var nodes = timelineNodes.selectAll('circle')
 		.data(swarm);
 	nodes.exit().remove();
 	var newNodes = nodes.enter().append('circle');
 	nodes.merge(newNodes)
 		.attr('cx', function(bee) { return bee.x; })
-		.attr('cy', function(bee) { return bee.y + 75; })
+		.attr('cy', function(bee) { return calculateBeeY(bee); })
 		.attr('r', 4)
+}
+
+function calculateBeeY(bee) {
+	if (furthestBee < maxBeeDistance) {
+		return bee.y;
+	} else {
+		return bee.y % maxBeeDistance;
+	}
 }
\ No newline at end of file