[Liblas-commits] hg-main-tree: keep track of point count when adding points to th...

[liblas-commits at liblas.org]

details:   http://hg.libpc.orghg-main-tree/rev/e8eb76ff7d24
changeset: 318:e8eb76ff7d24
user:      Howard Butler <hobu.inc at gmail.com>
date:      Thu Mar 17 09:42:09 2011 -0500
description:
keep track of point count when adding points to the mosaic and use the capacity of the PointData to inform how many points we might be reading instead of PointData::getNumPoints()

diffstat:

 src/filters/DecimationFilter.cpp |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (23 lines):

diff -r be5c03fb6a62 -r e8eb76ff7d24 src/filters/DecimationFilter.cpp
--- a/src/filters/DecimationFilter.cpp	Thu Mar 17 09:29:42 2011 -0500
+++ b/src/filters/DecimationFilter.cpp	Thu Mar 17 09:42:09 2011 -0500
@@ -64,16 +64,17 @@
 boost::uint32_t DecimationFilter::readBuffer(PointData& dstData)
 {
     // naive implementation: read a buffer N times larger, then pull out what we need
-    PointData srcData(dstData.getSchemaLayout(), dstData.getNumPoints() * m_step);
+    PointData srcData(dstData.getSchemaLayout(), dstData.getCapacity() * m_step);
     boost::uint32_t numSrcPointsRead = m_prevStage.read(srcData);
 
-    boost::uint32_t numPoints = dstData.getNumPoints();
+    boost::uint32_t numPoints = dstData.getCapacity();
     
     boost::uint32_t srcIndex = 0;
     boost::uint32_t dstIndex = 0;
     for (dstIndex=0; dstIndex<numPoints; dstIndex++)
     {
         dstData.copyPointFast(dstIndex, srcIndex, srcData);
+        dstData.setNumPoints(dstIndex+1);
         srcIndex += m_step;
         if (srcIndex > numSrcPointsRead) break;
     }