public IEnumerable <RelativePoint> GetGridPoints()
{
if (TopBottomDistance == 0 || LeftRightDistance == 0)
{
return(null);
}
var vLines = new List <RelativeLine>();
var hLines = new List <RelativeLine>();
var points = new List <RelativePoint>();
SolvePerspective();
double currentDist = 0;
while (currentDist <= LeftRightDistance)
{
hLines.Add(new RelativeLine(Perspective(new Point2d(0, currentDist)), Perspective(new Point2d(1, currentDist))));
currentDist += Defaults.GridNotchDistance;
}
currentDist = 0;
while (currentDist <= TopBottomDistance)
{
vLines.Add(new RelativeLine(Perspective(new Point2d(currentDist, 0)), Perspective(new Point2d(currentDist, 1))));
currentDist += Defaults.GridNotchDistance;
}
foreach (var vLine in vLines)
{
foreach (var hLine in hLines)
{
try
{
points.Add(GeometryHelpers.LineIntersection(vLine, hLine));
}
catch { }
}
}
return(points);
}
