Float3 IReader.GetXYZ()
{
var f = new Float3();
f.hasError = false;
// Read point
lazReader.laszip_read_point();
// check for received errors
var err = lazReader.laszip_get_error();
if (err != null)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Failed to read until end of file, partial data is kept.");
Console.WriteLine("ErrorCode: " + err);
Console.ForegroundColor = ConsoleColor.White;
f.hasError = true;
}
// Get precision coordinates
var coordArray = new double[3];
lazReader.laszip_get_coordinates(coordArray);
f.x = coordArray[0];
f.y = coordArray[1];
f.z = coordArray[2];
return(f);
}
private static void WriteLaz()
{
// --- Write Example
var point = new Point3D();
var points = new List <Point3D>();
point.X = 1000.0;
point.Y = 2000.0;
point.Z = 100.0;
points.Add(point);
point.X = 5000.0;
point.Y = 6000.0;
point.Z = 200.0;
points.Add(point);
var lazWriter = new laszip_dll();
var err = lazWriter.laszip_clean();
if (err == 0)
{
// Number of point records needs to be set
lazWriter.header.number_of_point_records = (uint)points.Count;
// Header Min/Max needs to be set to extents of points
lazWriter.header.min_x = points[0].X; // LL Point
lazWriter.header.min_y = points[0].Y;
lazWriter.header.min_z = points[0].Z;
lazWriter.header.max_x = points[1].X; // UR Point
lazWriter.header.max_y = points[1].Y;
lazWriter.header.max_z = points[1].Z;
// Open the writer and test for errors
err = lazWriter.laszip_open_writer(FileName, true);
if (err == 0)
{
double[] coordArray = new double[3];
foreach (var p in points)
{
coordArray[0] = p.X;
coordArray[1] = p.Y;
coordArray[2] = p.Z;
// Set the coordinates in the lazWriter object
lazWriter.laszip_set_coordinates(coordArray);
// Set the classification to ground
lazWriter.point.classification = 2;
// Write the point to the file
err = lazWriter.laszip_write_point();
if (err != 0)
{
break;
}
}
// Close the writer to release the file (OS lock)
err = lazWriter.laszip_close_writer();
lazWriter = null;
}
}
if (err != 0)
{
// Show last error that occurred
Debug.WriteLine(lazWriter.laszip_get_error());
}
// --- Upon completion, file should be 389 bytes
}
