Added Project CMakeLists for existing files

-- Local build & compilation success.

Author: saiga006

.gitignore

@@ -1 +1,3 @@
-Data/PLY/*
+src/Data/PLY/*
+build/*
+

CMakeLists.txt

@@ -0,0 +1,33 @@
+cmake_minimum_required(VERSION 3.12)
+project(occupancy_grid_3d) 
+
+# find the dependent library packages, used apt-get install libopen3d-dev, sudo apt-get install libeigen3-dev
+find_package(Open3D REQUIRED) 
+find_package(Eigen3 REQUIRED)
+
+# dataloader library to load pointclouds from Data/PLY folder
+add_library(dataloader STATIC src/dataloader/dataloader.cpp)
+
+target_compile_features(dataloader PRIVATE cxx_std_17)
+
+target_compile_options(dataloader PRIVATE -Wall -Wextra)
+
+target_include_directories(dataloader PUBLIC src/dataloader)
+
+target_link_libraries(dataloader PUBLIC Open3D::Open3D Eigen3::Eigen)
+
+# to visualise the pointclouds, as it consists no source files, use interface
+add_library(visualizer INTERFACE)
+
+target_include_directories(visualizer INTERFACE src/visualizer)
+
+target_link_libraries(visualizer INTERFACE Open3D::Open3D Eigen3::Eigen)
+
+#will have occupancy grid logic
+add_executable(occupancy_grid_main src/main.cpp)
+
+target_link_libraries(occupancy_grid_main PRIVATE dataloader visualizer)
+
+target_compile_options(occupancy_grid_main PRIVATE -Wall -Wextra)
+
+target_compile_features(occupancy_grid_main PRIVATE cxx_std_17)

Data/gt_poses.txt src/Data/gt_poses.txtData/gt_poses.txt renamed to src/Data/gt_poses.txt

@@ -0,0 +1,7 @@
+#include<iostream>
+using std::cout;
+using std::endl;
+
+int main() {
+    cout << "Hello World!" << endl;
+}

dataloader/dataloader.cpp src/dataloader/dataloader.cppdataloader/dataloader.cpp renamed to src/dataloader/dataloader.cpp

@@ -6,8 +6,7 @@
 
 #include "open3d/Open3D.h"
 
-inline void visualize(
-        const std::vector<Eigen::Vector3d>& pointcloud) {
+inline void visualize(const std::vector<Eigen::Vector3d>& pointcloud) {
     open3d::visualization::DrawGeometries(
             {std::make_shared<open3d::geometry::PointCloud>(pointcloud)});
 }