public void getH3UnidirectionalEdgesFromHexagon()
{
H3Index sf = H3Index.geoToH3(ref sfGeo, 9);
var edges = new ulong[6].Select(cell => new H3Index(cell)).ToList();
H3UniEdge.getH3UnidirectionalEdgesFromHexagon(sf, edges);
for (int i = 0; i < 6; i++)
{
Assert.True
(
H3UniEdge.h3UnidirectionalEdgeIsValid(edges[i]) == 1,
"edge is an edge"
);
Assert.True
(
sf == H3UniEdge.getOriginH3IndexFromUnidirectionalEdge(edges[i]),
"origin is correct"
);
Assert.True
(
sf != H3UniEdge.getDestinationH3IndexFromUnidirectionalEdge(edges[i]),
"destination is not origin"
);
}
}
public void h3UnidirectionalEdgeIsValid()
{
H3Index sf = H3Index.geoToH3(ref sfGeo, 9);
var ring = new ulong[Algos.maxKringSize(1)].Select(cell => new H3Index(cell)).ToList();
Algos.hexRing(sf, 1, ref ring);
H3Index sf2 = ring[0];
H3Index edge = H3UniEdge.getH3UnidirectionalEdge(sf, sf2);
Assert.True(H3UniEdge.h3UnidirectionalEdgeIsValid(edge) == 1,
"edges validate correctly");
Assert.True(H3UniEdge.h3UnidirectionalEdgeIsValid(sf) == 0,
"hexagons do not validate");
H3Index fakeEdge = sf;
H3Index.H3_SET_MODE(ref fakeEdge, Constants.H3_UNIEDGE_MODE);
Assert.True(H3UniEdge.h3UnidirectionalEdgeIsValid(fakeEdge) == 0,
"edges without an edge specified don't work");
H3Index pentagon = 0x821c07fffffffff;
H3Index goodPentagonalEdge = pentagon;
H3Index.H3_SET_MODE(ref goodPentagonalEdge, Constants.H3_UNIEDGE_MODE);
H3Index.H3_SET_RESERVED_BITS(ref goodPentagonalEdge, 2);
Assert.True(H3UniEdge.h3UnidirectionalEdgeIsValid(goodPentagonalEdge) == 1,
"pentagonal edge validates");
H3Index badPentagonalEdge = goodPentagonalEdge;
H3Index.H3_SET_RESERVED_BITS(ref badPentagonalEdge, 1);
Assert.True(H3UniEdge.h3UnidirectionalEdgeIsValid(badPentagonalEdge) == 0,
"missing pentagonal edge does not validate");
}
public void getH3UnidirectionalEdgesFromPentagon()
{
H3Index pentagon = 0x821c07fffffffff;
var edges = new ulong[6].Select(cell => new H3Index(cell)).ToList();
H3UniEdge.getH3UnidirectionalEdgesFromHexagon(pentagon, edges);
int missingEdgeCount = 0;
for (int i = 0; i < 6; i++)
{
if (edges[i] == 0)
{
missingEdgeCount++;
}
else
{
Assert.True
(
H3UniEdge.h3UnidirectionalEdgeIsValid(edges[i]) == 1,
"edge is an edge"
);
Assert.True
(
pentagon ==
H3UniEdge.getOriginH3IndexFromUnidirectionalEdge(edges[i]),
"origin is correct"
);
Assert.True
(
pentagon !=
H3UniEdge.getDestinationH3IndexFromUnidirectionalEdge(edges[i]),
"destination is not origin"
);
}
}
Assert.True
(
missingEdgeCount == 1,
"Only one edge was deleted for the pentagon"
);
}
public static int H3UniDirectionalEdgeIsValid(Code.H3Index edge)
{
return(H3UniEdge.h3UnidirectionalEdgeIsValid(edge));
}