From cfddd1b4736c2ab8e2456105d02ff080f1cf32d9 Mon Sep 17 00:00:00 2001
From: Thomas Fischer <thomas.fischer@ufz.de>
Date: Tue, 23 Oct 2012 11:22:55 +0200
Subject: [PATCH] changed SHPInterface::adjustPolylines() in order to omit line
segments with zero length
---
FileIO/SHPInterface.cpp | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/FileIO/SHPInterface.cpp b/FileIO/SHPInterface.cpp
index c8a9e16f155..8fd5d0db272 100644
--- a/FileIO/SHPInterface.cpp
+++ b/FileIO/SHPInterface.cpp
@@ -167,8 +167,17 @@ void SHPInterface::adjustPolylines (std::vector<GeoLib::Polyline*>* lines,
for (size_t i = 0; i < lines->size(); i++)
{
GeoLib::Polyline* line( (*lines)[i] );
- size_t nPoints( line->getNumberOfPoints() );
- for (size_t j = 0; j < nPoints; j++)
- line->setPointID(j, id_map[line->getPointID(j)]);
+ size_t previous_pnt_id (std::numeric_limits<size_t>::max());
+
+ for (size_t j = 0; j < line->getNumberOfPoints(); j++) {
+ size_t jth_pnt_id(id_map[line->getPointID(j)]);
+ if (previous_pnt_id == jth_pnt_id) {
+ line->removePoint(j);
+ j--;
+ } else {
+ line->setPointID(j, jth_pnt_id);
+ }
+ previous_pnt_id = jth_pnt_id;
+ }
}
}
--
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