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Visualstudio2019 compilation configuration lastools-v2.0.0 under win10 system
2022-07-06 01:50:00 【Dianyunxia】
Catalog
One 、 summary
1、LAStools-v2.0.0
For some historical reason ,LAStools The library is updated again . Last updated on :2022 year 1 month 7 Japan .LASTools Version is :220107. Due to some requests , Now let's use git Release the function .LASTools stay YYMMDD Version control is used in the scheme . This is for most LASTools It is very common for users , So keep this version number . Besides , We will follow the open source version git Version control guide . They may also flow into the source code later . Because we have something very similar to history , We directly from 2.0.0 edition Start .
2、 Download decompression
github link :https://github.com/LAStools/LAStools/releases/tag/v2.0.0
Download the contents in the red box and unzip
Two 、 Source code compilation
2.1 open
Use VS2019 open lastools.dsw
Migrating solutions and projects
When the following interface appears , Just click ok .
2.2 Remove the items that failed to load
2.3 Modify the code
open LASlib The header file mydefs.hpp
, Locate the 69 That's ok , Only keep #if defined(_MSC_VER)
, Delete or comment other code in this line .
2.4 Configuration manager
The configuration process is shown in the figure below :
2.5 Modify the output directory
Right click LASlib— attribute — Configuration properties — routine — The output directory — It is amended as follows :
$(SolutionDir)$(ProjectName)\$(Configuration)\
2.6 Modify the header file directory
Right click LASlib— Configuration properties —C/C++— routine — Attach include directory — Delete “…\laszip\stl”
2.7 Modify the runtime
Right click LASlib— attribute —C/C++— Code generation — Runtime — choice “ Multithreading (/MD)”.(VS2019 The default is multithreading /MTd, before ,open3d When compiling, you choose Multithreading (/MD), Therefore, multi threading is also selected here (/MD))
2.8 Generate lib
Right click LASlib— To regenerate the . The following interface appears , be debug Mode lastools Compile successfully .
To configure release Pattern
Right click LASlib— Configuration properties —C/C++— routine — Attach include directory — Delete “…\laszip\stl”
Right click LASlib— To regenerate the . The following interface appears , be release Mode lastools Compile successfully .
2.9 lib route
...\LAStools\LAStools\LASlib\lib
3、 ... and 、 Package into Library
- open LASlib—lib newly build Debug and Release Folder , take
LASlib.lib
Put in Release Folder , takeLASlibD.lib
Put in Debug Folder . - New folder LasLib, take
...\LAStools\LAStools\LASlib
The next path LASlib and lib Copy the folder and put it into the new folder . - take
...\LAStools\LAStools\LASzip
The next path src Copy the folder and put it into the new folder . Library encapsulation completed .
Four 、VS2019 Distribution Library
I am LASlib The path of is :
D:\Open3D_0.13.0\LASlib
- Configuration properties —C/C++— Code generation — Runtime , Multithreading (/MT), And steps 2.7 The settings are consistent .
- VC++ Catalog — Contains the directory
D:\Open3D_0.13.0\LASlib\include
D:\Open3D_0.13.0\LASlib\src
- VC++ Catalog — The library catalog
Release Pattern
D:\Open3D_0.13.0\LASlib\lib\Release
Debug Pattern
D:\Open3D_0.13.0\LASlib\lib\Debug
- Additional dependency
Release Pattern
LASlib.lib
Debug Pattern
LASlibD.lib
5、 ... and 、 Test code
#include <iostream> // C++
#include "lasreader.hpp"// LasReader
#include "open3d/geometry/PointCloud.h"// Open3D Point cloud file
#include "open3d/visualization/utility/DrawGeometry.h" // Open3D Visualization header file
using namespace std;
int main(int argc, char* argv[])
{
// ---------------------LASLib from las Read the point cloud in the file ---------------------------
LASreadOpener lasreadopener;
LASreader* lasReader = lasreadopener.open("R.las");
if (lasReader == 0)
{
fprintf(stderr, "ERROR: could not open lasreader\n");
}
printf("reading %I64d points from '%s'.\n", lasReader->npoints, lasreadopener.get_file_name());
// ------------------------Open3D Get point cloud coordinates ------------------------------
auto cloud = std::make_shared<open3d::geometry::PointCloud>();
int pointAmount = lasReader->npoints; // las The number of midpoint
cloud->points_.resize(pointAmount);
int i = 0;
while (lasReader->read_point() && i < pointAmount)
{
cloud->points_[i][0] = lasReader->point.get_X(); // Get point cloud X coordinate
cloud->points_[i][1] = lasReader->point.get_Y(); // Get point cloud Y coordinate
cloud->points_[i][2] = lasReader->point.get_Z(); // Get point cloud Z coordinate
++i;
}
// ------------------------Open3D Display point cloud coordinates ------------------------------
open3d::visualization::DrawGeometries({
cloud }, "PointCloud", 800, 600);
return 0;
}
6、 ... and 、 Result display
reading 595018 points from 'R.las'.
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