public Configuration()
{
background = Color.FromArgb(255, 255, 255, 255);
output = "output.png";
gradient = "C:\\heatmap\\g.png"; //path to g.png
decay = 0.95;
projection = new MercatorProjection();
colormap = new ColorMap(image: Image.FromFile(gradient));
radius = 5;
width = 5000;
height = 5000;
kernel = new LinearKernel(radius);
load_gpx();
}
public void add_heat_to_matrix(Matrix matrix, LinearKernel kernel)
{
int fromX = (int)(extent.min.x - kernel.radius);
int toX = (int)(extent.max.x + kernel.radius + 1);
int fromY = (int)(extent.min.y - kernel.radius);
int toY = (int)(extent.max.y + kernel.radius + 1);
foreach (var x in Main.range(fromX, toX))
{
foreach (var y in Main.range(fromY, toY))
{
var coord = new Coordinate(x, y);
var dist = distance(coord);
double?heat = kernel.heat(dist);
if (heat.HasValue && heat != 0)
{
matrix.add(coord, weight * heat.Value);
}
}
}
}