// -----------------------------------------------------------------
public void TestDistanceCriteria()
{
var testPointList = new List <Tuple <int, int> >();
var testFilter = new PathFilter(new PathFilter.Parameters {
minimumDistanceBetweenPoints = 5, maximumAngleRadians = 0
},
(point) => { testPointList.Add(point); });
testFilter.HandlePoint(new Tuple <int, int>(0, 0)); // should be added
testFilter.HandlePoint(new Tuple <int, int>(0, 10)); // should be added
testFilter.HandlePoint(new Tuple <int, int>(10, 10)); // should be added
testFilter.HandlePoint(new Tuple <int, int>(11, 11)); // should NOT be added
// path should have added three points
if (testPointList.Count == 3)
{
Console.WriteLine("PathFilter distance test passed.");
}
else
{
Console.WriteLine("PathFilter distance test FAILED.");
}
}
// --------------------------------------------------------------
private void generateSVG()
{
var totalPoints = 0;
// -- quantize --
var timer = new Timing.Timer(true);
_data.Quantize(_contourHeights);
timer.Stop();
addTiming("quantization", timer.ElapsedMilliseconds);
// ---- regions ----
timer.ResetAndStart();
var regionalizerSetup = new FLTDataRegionalizer.RegionalizerSetupData();
regionalizerSetup.topoData = _data;
regionalizerSetup.RectIndices = this._rectIndices;
var regionalizer = new FLTDataRegionalizer(regionalizerSetup);
regionalizer.GenerateRegions();
timer.Stop();
addTiming("region discovery", timer.ElapsedMilliseconds);
// ---- hulls ----
Console.WriteLine("Discovering edges");
timer.ResetAndStart();
var regionsList = regionalizer.RegionList();
var regionDataArray = new RegionData[regionsList.Count];
Parallel.For(0, regionsList.Count, regionIndex =>
{
Boolean includeCurrentRegion = true;
// get height of current region
regionDataArray[regionIndex] = new RegionData {
height = regionsList[regionIndex].regionValue
};
if (regionsList[regionIndex].totalDataPoints <= _minimumRegionDataPoints)
{
includeCurrentRegion = false;
}
if (includeCurrentRegion)
{
// construct point pipeline for this region
regionDataArray[regionIndex].points = new List <Tuple <int, int> >();
RegionHullGenerator hullBuilder = null;
PathFilter pathFilter = null;
if (_minimumDistanceBetweenPoints > 0 || _maximumAngleDeltaRadians > 0)
{
// if path options specified, put a path filter in the pipe
// hullBuilder -> pathFilter -> pointsListArray[regionIndex]
pathFilter = new PathFilter(new PathFilter.Parameters
{
minimumDistanceBetweenPoints = _minimumDistanceBetweenPoints,
maximumAngleRadians = _maximumAngleDeltaRadians
},
(point) => { regionDataArray[regionIndex].points.Add(point); });
hullBuilder = new RegionHullGenerator((point) => { pathFilter.HandlePoint(point); });
}
else
{
// if no path options specified, generate straight to list
hullBuilder = new RegionHullGenerator((point) => { regionDataArray[regionIndex].points.Add(point); });
}
hullBuilder.generate(regionsList[regionIndex]);
totalPoints += regionDataArray[regionIndex].points.Count;
}
/*
* else
* {
* regionDataArray[ regionIndex ].points = new List<Tuple<int,int>>();
* }
*/
});
timer.Stop();
addTiming("edge discovery", timer.ElapsedMilliseconds);
Console.WriteLine("Generated total of " + totalPoints + " points.");
Console.WriteLine("Building svg");
// ---- svg ----
timer.ResetAndStart();
var svgBuilder = new SVGBuilder.Builder();
// move to origin
svgBuilder.SetTranslate(-rectLeft, -rectTop);
// size to rect
svgBuilder.SetWidthAndHeight(rectRight - rectLeft + 1, rectBottom - rectTop + 1);
svgBuilder.SetBackgroundColor(_backgroundColor_Hex);
foreach (var currentData in regionDataArray)
{
Int32 evenOdd = Convert.ToInt32(currentData.height / _contourHeights % 2);
String currentPathColor = "#000000";
if (evenOdd <= 0)
{
currentPathColor = _color1_Hex;
}
else
{
currentPathColor = _color2_Hex;
}
svgBuilder.addPath(currentData.points, currentPathColor);
}
svgBuilder.CreateFile(_outputFilename + ".svg");
timer.Stop();
addTiming("svg creation", timer.ElapsedMilliseconds);
}