alex/restaurant-search
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Code simplification

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This commit is contained in:
Alex Yatskov 2015-04-18 19:02:49 +09:00
parent 8e30a32b1c
commit f6452bc7fc
1 changed files with 5 additions and 33 deletions
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38
static/scripts/grapher.js
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@ -161,26 +161,23 @@
function updateDensity() {
var fill = _backdropColor;
if (_data.hints.length > 0) {
fill = _canvas.gradient(decimateHints());
fill = _canvas.gradient(blendHints());
}
_elements.density.attr({fill: fill});
}
function decimateHints() {
function blendHints() {
var colorStops = 'l(0,0,0,1)';
var groups = groupHints();
for (var i = 0, count = groups.length; i < count; ++i) {
var groupSize = groups[i];
for (var i = 0, count = _data.hints.length; i < count; ++i) {
var colorPercent = 0;
if (_scale.length() > 0) {
colorPercent = Math.max(0, groupSize - _scale.min) / _scale.length();
colorPercent = Math.max(0, _data.hints[i].rating - _scale.min) / _scale.length();
}
var colorByte = 0xff - Math.min(0xff, Math.round(0xff * colorPercent));
var colorObj = tinycolor({ r: colorByte, g: colorByte, b: colorByte });
var colorObj = tinycolor({r: colorByte, g: colorByte, b: colorByte});
var colorStr = colorObj.toHexString();
colorStops += colorStr;
@ -192,31 +189,6 @@
return colorStops;
}
function groupHints() {
var hintGroups = [];
var stepCount = _data.hints.length;
if (stepCount > 0) {
var stepSize = _range.length() / stepCount;
for (var i = 0; i < stepCount; ++i) {
var stepMax = _range.max - stepSize * i;
var stepMin = stepMax - stepSize;
var hintValue = 0;
for (var j = 0, count = _data.hints.length; j < count; ++j) {
var hint = _data.hints[j];
if (hint.sample > stepMin && hint.sample <= stepMax) {
hintValue += hint.rating;
}
}
hintGroups.push(hintValue);
}
}
return hintGroups;
}
function updateValue(value) {
_data.value = _range.clamp(value);
if (_onValueChanged) {