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frequency of values in a certain range - no loop arounds for cylindrical domain yet. Since we shouldn't expect a single hue, val, or sat to appear multiple times, we should really be looking at how often a range of them occur. There's probably a better solution for frequency probablity but this should work for now

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Dominick Pham 2009-08-14 02:35:01 -04:00
parent bed7617530
commit c872e9a031
1 changed files with 27 additions and 4 deletions
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31
js/franz.js
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@ -220,21 +220,44 @@ var franz = {
return false;
},
/* calculates density of array data given interval and step size - both controlling data error
step size should ideally be < interval. Returns array with (# of intervals) as size */
getDensity: function(inputArray, step, interval, max) {
var size = max/step;
var densityArray = new Array(size);
for (var i=0; i < size; i++) {
var count = 0;
for (var j=0; j < inputArray.length; j++) {
// if entry is within current interval
if ((inputArray[j] > i*step) && (inputArray[j] < i*step + interval)){
count++;
}
}
console.log("frequency of values between " + i*step + " and " + (i*step + interval) + " = " + count);
densityArray[i] = count;
}
return densityArray;
},
/* bubble sort floats around and pops in your face */
indexSort: function(inputArray, start, end) {
franz.resetIndex();
for (var i = start; i < end; i++) {
for (var j = end-1; j >= start; j--) {
var diff = inputArray[j] - inputArray[i]
console.log("j=" + inputArray[j] + " i=" + inputArray[i] + " -> " + diff);
//console.log("j=" + inputArray[j] + " i=" + inputArray[i] + " -> " + diff);
if (diff > 0) {
console.log("swapped");
//console.log("swapped");
inputArray.swap(i,j+1);
franz.origIndex.swap(i,j+1);
}
if (j == end-20) break;
//if (j == end-20) break;
}
if (i == 20) break;
//if (i == 20) break;
}
}