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Asked: 2026-06-03T00:43:07+00:00

I am trying to run the following PCL simple viewer example from http://pointclouds.org/documentation/tutorials/pcl_visualizer.php I

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I am trying to run the following PCL simple viewer example from http://pointclouds.org/documentation/tutorials/pcl_visualizer.php
I have successfully built the binary tree using Cmake and the recommended Cmakelists.txt

After generation, when I try to build it I get the following error : 

error LNK2019: unresolved external symbol "public: void __thiscall pcl::visualization::PCLVisualizer::initCameraParameters(void)" (?initCameraParameters@PCLVisualizer@visualization@pcl@@QAEXXZ) referenced in function "class boost::shared_ptr<class pcl::visualization::PCLVisualizer> __cdecl simpleVis(class boost::shared_ptr<class pcl::PointCloud<struct pcl::PointXYZ> const >)" (?simpleVis@@YA?AV?$shared_ptr@VPCLVisualizer@visualization@pcl@@@boost@@V?$shared_ptr@$$CBV?$PointCloud@UPointXYZ@pcl@@@pcl@@@2@@Z)`

error LNK2019: unresolved external symbol "public: void __thiscall pcl::visualization::PCLVisualizer::addCoordinateSystem(double,int)" (?addCoordinateSystem@PCLVisualizer@visualization@pcl@@QAEXNH@Z) referenced in function "class boost::shared_ptr<class pcl::visualization::PCLVisualizer> __cdecl simpleVis(class boost::shared_ptr<class pcl::PointCloud<struct pcl::PointXYZ> const >)" (?simpleVis@@YA?AV?$shared_ptr@VPCLVisualizer@visualization@pcl@@@boost@@V?$shared_ptr@$$CBV?$PointCloud@UPointXYZ@pcl@@@pcl@@@2@@Z)


error LNK2019: unresolved external symbol "public: bool __thiscall pcl::visualization::PCLVisualizer::setPointCloudRenderingProperties(int,double,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &,int)" (?setPointCloudRenderingProperties@PCLVisualizer@visualization@pcl@@QAE_NHNABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@H@Z) referenced in function "class boost::shared_ptr<class pcl::visualization::PCLVisualizer> __cdecl simpleVis(class boost::shared_ptr<class pcl::PointCloud<struct pcl::PointXYZ> const >)" (?simpleVis@@YA?AV?$shared_ptr@VPCLVisualizer@visualization@pcl@@@boost@@V?$shared_ptr@$$CBV?$PointCloud@UPointXYZ@pcl@@@pcl@@@2@@Z)

And these are just a few… am I missing something in the cmakelists.txt ?

cmake_minimum_required(VERSION 2.6 FATAL_ERROR)

project(pcl_visualizer_viewports)

find_package(PCL 1.5.1 REQUIRED)

include_directories(${PCL_INCLUDE_DIRS})

link_directories(${PCL_LIBRARY_DIRS})

add_definitions(${PCL_DEFINITIONS})

add_executable (pcl_visualizer_demo pcl_visualizer_demo.cpp)

target_link_libraries (pcl_visualizer_demo ${PCL_LIBRARIES})

Any help is appreciated. Thanks

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1 Answer

  1. Editorial Team

    Found what the problem was : Although I am running a 64 bit machine, my compiler (VS2010) is configured for 32 bit so I needed to uninstall the 64 bit Point Cloud Library and install the 32 bit version. Now it works. Lesson learned 😀

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