Set correct initial offset for proper chunk size.

Remove debug.

include/pdal/Compression.hpp

@@ -237,6 +237,7 @@ class LazPerfVlrCompressor
             m_chunkInfoPos = m_stream.tellp();
             // Seek over the chunk info offset value
             m_stream.seekp(sizeof(uint64_t), std::ios::cur);
+            m_chunkOffset = m_stream.tellp();
             resetCompressor();
         }
         else if (m_chunkPointsWritten == m_chunksize)

io/las/LasWriter.cpp

@@ -654,7 +654,6 @@ void LasWriter::readyLazPerfCompression()
 
     m_compressor.reset(new LazPerfVlrCompressor(*m_ostream, schema,
         zipvlr.chunk_size));
-std::cerr << "Made perf VLR!\n";
 #endif
 }
 
@@ -740,7 +739,6 @@ void LasWriter::writeLazPerfBuf(char *pos, size_t pointLen,
         m_compressor->compress(pos);
         pos += pointLen;
     }
-    std::cerr << "Wrote " << numPts << " points with LazPerf compressor!\n";
 #endif
 }
 
@@ -992,7 +990,6 @@ void LasWriter::finishLazPerfOutput()
 {
 #ifdef PDAL_HAVE_LAZPERF
     m_compressor->done();
-    std::cerr << "Done with laz perf!\n";
 #endif
 }
 

test/unit/io/las/LasWriterTest.cpp

@@ -488,7 +488,6 @@ TEST(LasWriterTest, lazperf)
     PointTable t;
     lazWriter.prepare(t);
     lazWriter.execute(t);
-std::cerr << "Wrote file!\n";
 
     // Now test the points were properly written.  Use laszip.
     Options ops1;