void Processstuff(byte[] message) { BinaryReader br = new BinaryReader(new MemoryStream(message)); double maxr = 0; VelodynePacket vpacket = new VelodynePacket(); vpacket.blocks = new List<VelodyneBlock> (12); //first read 12 100 byte blocks for (int i = 0; i < 12; i++) { VelodyneBlock block = new VelodyneBlock(); block.block = (BlockHeaderID)br.ReadUInt16(); block.rotation = (((double)(br.ReadUInt16())) / 100.0); if (block.rotation > maxr) maxr = block.rotation; block.ranges = new List<double>(32); block.intensity = new List<int>(32); //now read 32 lasers for (int j = 0; j < 32; j++) { double range = ((double)(br.ReadUInt16())) * .002; int intensity = (int)br.ReadByte(); block.ranges.Add(range); block.intensity.Add(intensity); } vpacket.blocks.Add(block); } //now read the status vpacket.spincount = (br.ReadUInt16()); int val1 = br.ReadByte(); int val2 = br.ReadByte(); char[] status = br.ReadChars(4); foreach (char c in status) vpacket.info += c + ""; //Console.WriteLine("Got Scan! Length: " + message.Length + " Status: " + val1.ToString() + val2.ToString() + vpacket.info); if (br.BaseStream.Position != br.BaseStream.Length) { Console.WriteLine ("Did not reach end of velodyne packet: Pos: " + br.BaseStream.Position + "Len: " + br.BaseStream.Length); } //now make it xyz if (scan.points == null) scan.points = new List<VelodyneXYZPoint>(); for (int i=0; i<vpacket.blocks.Count; i++) //each block { for (int j=0; j<vpacket.blocks[i].ranges.Count; j++) //each laser { double range = vpacket.blocks[i].ranges[j]; //j is laser number if (range < 1.0) continue; VelodyneXYZPoint pt = new VelodyneXYZPoint (j,vpacket.blocks[i].block,range,vpacket.blocks[i].rotation,vpacket.blocks[i].intensity[j]); scan.points.Add (pt); } } scancount++; Console.WriteLine("spincount: " + vpacket.spincount); if (scancount >= 400) //if (lastMaxR>maxr) // we've cycled //if (vpacket.spincount != lastSpinCount) { if (GotPacket != null) GotPacket(this, new VelodyneEventArgs(scan)); scan = new VelodyneXYZScan(); scancount = 0; } lastMaxR = maxr; lastSpinCount = vpacket.spincount; }
void Processstuff(byte[] message) { BinaryReader br = new BinaryReader(new MemoryStream(message)); double maxr = 0; VelodynePacket vpacket = new VelodynePacket(); vpacket.blocks = new List <VelodyneBlock> (12); //first read 12 100 byte blocks for (int i = 0; i < 12; i++) { VelodyneBlock block = new VelodyneBlock(); block.block = (BlockHeaderID)br.ReadUInt16(); block.rotation = (((double)(br.ReadUInt16())) / 100.0); if (block.rotation > maxr) { maxr = block.rotation; } block.ranges = new List <double>(32); block.intensity = new List <int>(32); //now read 32 lasers for (int j = 0; j < 32; j++) { double range = ((double)(br.ReadUInt16())) * .002; int intensity = (int)br.ReadByte(); block.ranges.Add(range); block.intensity.Add(intensity); } vpacket.blocks.Add(block); } //now read the status vpacket.spincount = (br.ReadUInt16()); int val1 = br.ReadByte(); int val2 = br.ReadByte(); char[] status = br.ReadChars(4); foreach (char c in status) { vpacket.info += c + ""; } //Console.WriteLine("Got Scan! Length: " + message.Length + " Status: " + val1.ToString() + val2.ToString() + vpacket.info); if (br.BaseStream.Position != br.BaseStream.Length) { Console.WriteLine("Did not reach end of velodyne packet: Pos: " + br.BaseStream.Position + "Len: " + br.BaseStream.Length); } //now make it xyz if (scan.points == null) { scan.points = new List <VelodyneXYZPoint>(); } for (int i = 0; i < vpacket.blocks.Count; i++) //each block { for (int j = 0; j < vpacket.blocks[i].ranges.Count; j++) //each laser { double range = vpacket.blocks[i].ranges[j]; //j is laser number if (range < 1.0) { continue; } VelodyneXYZPoint pt = new VelodyneXYZPoint(j, vpacket.blocks[i].block, range, vpacket.blocks[i].rotation, vpacket.blocks[i].intensity[j]); scan.points.Add(pt); } } scancount++; Console.WriteLine("spincount: " + vpacket.spincount); if (scancount >= 400) //if (lastMaxR>maxr) // we've cycled //if (vpacket.spincount != lastSpinCount) { if (GotPacket != null) { GotPacket(this, new VelodyneEventArgs(scan)); } scan = new VelodyneXYZScan(); scancount = 0; } lastMaxR = maxr; lastSpinCount = vpacket.spincount; }