public DynamicGrid(MBR mbr, decimal xRes, decimal yRes)
: base(mbr, xRes, yRes)
{
gridIntersections = new Dictionary <double2, int>();
gridPolygons = new DynamicPolygon[0, 0];
intersectionList = new IntersectionList();
}
public DynamicGrid(Grid grid)
: base(grid)
{
gridIntersections = new Dictionary <double2, int>();
int nColumns = (int)Math.Ceiling((mbr.xMax - mbr.xMin - double2.Tolerance) / xRes);
int nRows = (int)Math.Ceiling((mbr.yMax - mbr.yMin - double2.Tolerance) / yRes) + 1;
gridPolygons = new DynamicPolygon[nColumns, nRows];
for (int i = 0; i < nColumns; ++i)
{
for (int j = 0; j < nRows; ++j)
{
gridPolygons[i, j] = new DynamicPolygon();
gridPolygons[i, j][0] = new double2(mbr.xMin + ((i) * xRes), mbr.yMax - ((j) * yRes));
gridPolygons[i, j][1] = new double2(mbr.xMin + ((i + 1) * xRes), mbr.yMax - ((j) * yRes));
gridPolygons[i, j][2] = new double2(mbr.xMin + ((i + 1) * xRes), mbr.yMax - ((j + 1) * yRes));
gridPolygons[i, j][3] = new double2(mbr.xMin + ((i) * xRes), mbr.yMax - ((j + 1) * yRes));
}
}
intersectionList = new IntersectionList();
}