public static Task Execute(SliceCommand command, ILogger logger)
{
if (File.Exists(command.Input) == false)
{
logger.Fatal("Provided cloud point data file does not exist!");
Environment.Exit(0);
}
using var streamReader = FileFormatDetector.GetCloudStreamReader(command.Input);
if (streamReader == null)
{
logger.Fatal("Not supported data format.");
Environment.Exit(0);
}
if (File.Exists(command.TerrainPath) == false)
{
logger.Fatal("Terrain file does not exist!");
Environment.Exit(0);
}
var cloud = new Cloud(streamReader);
var terrain = Terrain.Import(command.TerrainPath);
var slices = cloud.Slice(command.SliceHeight).Where(slice => slice != null).OrderBy(slice => slice.Height).ToList();
foreach (var pointSlice in slices)
{
foreach (var pointSet in pointSlice.PointSets)
{
foreach (var point in pointSet)
{
point.Z -= terrain.GetHeight(point);
}
}
}
using var writer = new GpdWriter(command.Output, null, (float)command.SliceHeight);
writer.WriteSlices(slices);
return(Task.CompletedTask);
}
public static void ExportTrees(DetectTreesCommand command, IList <Tree> trees)
{
var x = 0;
foreach (var tree in trees)
{
using var writer = new GpdWriter(
Path.Join(command.OutputDirectory, $"T{x++}.gpd"), null, command.SliceHeight.GetValueOrDefault(0.1)
);
var nodes = tree.GetAllNodesAsVector();
var nodeDictionary = nodes
.Select((n, i) => new Tuple <Tree.Node, int>(n, i))
.ToDictionary(t => t.Item1, t => t.Item2);
foreach (var node in nodeDictionary.Keys)
{
var parentId = node.Parent is null ? -1 : nodeDictionary[node.Parent];
var id = nodeDictionary[node];
writer.WritePointSet(node.PointSet, 0, $"Id+{id};Parent+{parentId};");
}
}
}