diff --git a/oss-internship-2020/gdal/CANYrelief1-geo.tif b/oss-internship-2020/gdal/CANYrelief1-geo.tif
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diff --git a/oss-internship-2020/gdal/CMakeLists.txt b/oss-internship-2020/gdal/CMakeLists.txt
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+++ b/oss-internship-2020/gdal/CMakeLists.txt
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+cmake_minimum_required(VERSION 3.10) 
+
+project(test CXX C)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED True)
+
+set(SAPI_ROOT "${PROJECT_SOURCE_DIR}/../.." CACHE PATH "Path to the Sandboxed API source tree")
+#   cmake .. -G Ninja -DSAPI_ROOT=$HOME/sapi_root
+
+set(SAPI_ENABLE_EXAMPLES OFF CACHE BOOL "")
+set(SAPI_ENABLE_TESTS OFF CACHE BOOL "")
+add_subdirectory("${SAPI_ROOT}"
+                 "${CMAKE_BINARY_DIR}/sandboxed-api-build"
+                 # Omit this to have the full Sandboxed API in IDE
+                 EXCLUDE_FROM_ALL)
+
+add_library(libgdal STATIC IMPORTED)
+set_property(TARGET libgdal PROPERTY IMPORTED_LOCATION "${CMAKE_CURRENT_SOURCE_DIR}/lib/libgdal.a")
+               
+find_package(PNG REQUIRED)
+
+target_link_libraries(libgdal INTERFACE
+    crypto expat jpeg 
+    /usr/lib/x86_64-linux-gnu/libproj.so
+    /usr/lib/x86_64-linux-gnu/libpcre.so
+    sqlite3 tiff z pthread m rt dl curl
+    PNG::PNG)
+
+add_sapi_library(gdal_sapi
+    FUNCTIONS GDALOpen GDALAllRegister GDALGetDatasetDriver 
+        GDALGetDriverShortName GDALGetDriverLongName GDALGetRasterXSize 
+        GDALGetRasterYSize GDALGetRasterCount GDALGetProjectionRef
+        GDALOpenEx  GDALGetGeoTransform GDALGetRasterBand GDALGetBlockSize
+        GDALGetRasterMinimum GDALGetRasterMaximum GDALGetRasterBandXSize
+        GDALGetRasterBandYSize GDALRasterIO
+    
+    INPUTS "/usr/include/gdal/gdal.h" 
+    LIBRARY libgdal
+    LIBRARY_NAME gdal
+    
+    NAMESPACE ""
+)
+
+target_include_directories(gdal_sapi INTERFACE
+    "${PROJECT_BINARY_DIR}"
+)
+
+add_executable(raster
+    raster.cc
+)
+
+target_link_libraries(raster
+    gdal_sapi
+    sapi::sapi    
+)
diff --git a/oss-internship-2020/gdal/README.md b/oss-internship-2020/gdal/README.md
new file mode 100644
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+++ b/oss-internship-2020/gdal/README.md
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+# GDAL Raster GeoTIFF Workflow
+
+```
+Build Tools: CMake/Ninja
+OS: Linux
+```
+
+### For testing: 
+`mkdir build && cd build`
+
+`cmake .. -G Ninja`
+
+`ninja`
+
+`./raster` 
+
+## About the project
+    GDAL is a translator library for raster and vector 
+    geospatial data format. 
+    The project consist in rastering a GeoTIFF file format 
+    using GDAL functionalities and sandboxed methods. 
+
+## Implementation
+    
+*Sandboxing...*
+
+    The purpose of sandboxing is to limit the permissions 
+    and capabilities of library’s methods, in order to 
+    secure the usage of them. After obtaining the sandbox, 
+    the functions will be called through an Sandbox API 
+    (being called api in the current test) and so, the 
+    operations, system calls or namspaces access may be 
+    controlled. 
+
+*Raster process...*
+
+    From gdal.h header useful methods are added to sapi 
+    library builded with CMake. 
+
+    One .tiff file is manipulated with GDALOpen 
+    functionality, which extracts a pointer to the data set
+    containg a list of raster bands, all pertaining to the
+    same area. 
+    Metadata, a coordinate system, a georeferencing
+    transform, size of raster and various other information
+    are kept into the data set that corresponds to the image.
+
+    To create an array containing the image information, the
+    dimentions needed are extracted using some specific 
+    GDAL(X/Y)Size functions applied to the block.
+    GDALRasterBand function takes care of data type conversion, one more step following: placing the
+    converted data (with RasterIO method) into the created
+    and well allocated structure.
diff --git a/oss-internship-2020/gdal/raster.cc b/oss-internship-2020/gdal/raster.cc
new file mode 100644
index 0000000..7b971d1
--- /dev/null
+++ b/oss-internship-2020/gdal/raster.cc
@@ -0,0 +1,163 @@
+#include <gflags/gflags.h>
+#include <glog/logging.h>
+#include <syscall.h>
+
+#include <fstream>
+#include <iostream>
+
+#include "gdal_sapi.sapi.h"
+#include "sandboxed_api/sandbox2/util/fileops.h"
+
+class GdalSapiSandbox : public gdalSandbox {
+ public:
+  std::string filePath;
+
+  GdalSapiSandbox(std::string path)
+      : gdalSandbox(), filePath(std::move(path)) {}
+
+  std::unique_ptr<sandbox2::Policy> ModifyPolicy(
+      sandbox2::PolicyBuilder*) override {
+    return sandbox2::PolicyBuilder()
+        .AllowDynamicStartup()
+        .AllowRead()
+        .AllowSystemMalloc()
+        .AllowWrite()
+        .AllowExit()
+        .AllowStat()
+        .AllowOpen()
+        .AllowSyscalls({
+            __NR_futex,
+            __NR_close,
+            __NR_recvmsg,
+            __NR_getdents64,
+            __NR_lseek,
+            __NR_getpid,
+            __NR_sysinfo,
+            __NR_prlimit64,
+            __NR_ftruncate,
+            __NR_unlink,
+        })
+        .AddFile(filePath)
+        .BuildOrDie();
+  }
+};
+
+absl::Status GdalMain(std::string filename) {
+  // Reading GDALDataset from a (local, specific) file.
+  GdalSapiSandbox sandbox(filename);
+  SAPI_RETURN_IF_ERROR(sandbox.Init());
+  gdalApi api(&sandbox);
+
+  sapi::v::CStr s(filename.data());
+
+  SAPI_RETURN_IF_ERROR(api.GDALAllRegister());
+  auto open = api.GDALOpen(s.PtrBoth(), GDALAccess::GA_ReadOnly);
+
+  LOG(INFO) << "Dataset pointer adress: " << open.value() << std::endl;
+  sapi::v::RemotePtr ptr_dataset(open.value());
+
+  LOG(INFO) << ptr_dataset.ToString() << std::endl;
+  if (!open.value()) {
+    return absl::AbortedError("NULL pointer for Dataset.\n");
+  }
+
+  // Printing some general information about the dataset.
+  auto driver = api.GDALGetDatasetDriver(&ptr_dataset);
+  sapi::v::RemotePtr ptr_driver(driver.value());
+
+  auto driver_short_name = api.GDALGetDriverShortName(&ptr_driver);
+  auto driver_long_name = api.GDALGetDriverLongName(&ptr_driver);
+
+  sapi::v::RemotePtr ptr_driver_short_name(driver_short_name.value());
+  sapi::v::RemotePtr ptr_driver_long_name(driver_long_name.value());
+
+  LOG(INFO) << "Driver short name: "
+            << sandbox.GetCString(ptr_driver_short_name).value().c_str();
+  LOG(INFO) << "Driver long name: "
+            << sandbox.GetCString(ptr_driver_long_name).value().c_str();
+
+  // Checking that GetGeoTransform is valid.
+  std::vector<double> adf_geo_transform(6);
+  sapi::v::Array<double> adfGeoTransformArray(&adf_geo_transform[0],
+                                              adf_geo_transform.size());
+
+  api.GDALGetGeoTransform(&ptr_dataset, adfGeoTransformArray.PtrBoth())
+      .IgnoreError();
+
+  LOG(INFO) << "Origin = (" << adf_geo_transform[0] << ", "
+            << adf_geo_transform[3] << ")" << std::endl;
+  LOG(INFO) << "Pixel Size = (" << adf_geo_transform[0] << ", "
+            << adf_geo_transform[3] << ")" << std::endl;
+
+  std::vector<int> n_blockX_size(1);
+  std::vector<int> n_blockY_size(1);
+
+  sapi::v::Array<int> nBlockXSizeArray(&n_blockX_size[0], n_blockX_size.size());
+  sapi::v::Array<int> nBlockYSizeArray(&n_blockY_size[0], n_blockY_size.size());
+
+  auto band = api.GDALGetRasterBand(&ptr_dataset, 1);
+  LOG(INFO) << "Band pointer adress: " << band.value() << std::endl;
+  if (!band.value()) {
+    return absl::AbortedError("NULL pointer for Band.\n");
+  }
+
+  sapi::v::RemotePtr ptr_band(band.value());
+  SAPI_RETURN_IF_ERROR(api.GDALGetBlockSize(
+      &ptr_band, nBlockXSizeArray.PtrBoth(), nBlockYSizeArray.PtrBoth()));
+
+  LOG(INFO) << "Block = " << n_blockX_size[0] << " x " << n_blockY_size[0]
+            << std::endl;
+
+  std::vector<int> b_got_min(1);
+  std::vector<int> b_got_max(1);
+
+  sapi::v::Array<int> b_got_min_array(&b_got_min[0], b_got_min.size());
+  sapi::v::Array<int> b_got_max_array(&b_got_max[0], b_got_max.size());
+
+  auto nX_size = api.GDALGetRasterBandXSize(&ptr_band);
+  auto nY_size = api.GDALGetRasterBandYSize(&ptr_band);
+
+  std::vector<int8_t> raster_data(nX_size.value() * nY_size.value(), -1);
+  sapi::v::Array<int8_t> raster_data_array(&raster_data[0], raster_data.size());
+
+  api.GDALRasterIO(&ptr_band, GF_Read, 0, 0, nX_size.value(), nY_size.value(),
+                   raster_data_array.PtrBoth(), nX_size.value(),
+                   nY_size.value(), GDT_Byte, 0, 0)
+      .IgnoreError();
+
+  std::cout << "Raster data info: " << raster_data_array.ToString()
+            << std::endl;
+
+  // To print the data content: `std::cout << raster_data_array.GetData() <<
+  // std::endl;`
+
+  return absl::OkStatus();
+}
+
+int main(int argc, char** argv) {
+  // The file to be converted should be specified in the first argument while
+  // running the program.
+  if (argc < 2) {
+    std::cout << "You need to provide a file name: ./raster "
+                 "your_tiff_file_absolute_path\n"
+                 "Example: ./raster /usr/home/username/file.tiff"
+              << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  std::ifstream aux_file;
+  aux_file.open(argv[1]);
+  if (!aux_file.is_open()) {
+    std::cout << "Your file name is not valid.\nUnable to open the file."
+              << std::endl;
+    return EXIT_FAILURE;
+  }
+  std::string filename(argv[1]);
+
+  if (absl::Status status = GdalMain(filename); !status.ok()) {
+    LOG(ERROR) << "Initialization failed: " << status.ToString();
+    return EXIT_FAILURE;
+  }
+
+  return EXIT_SUCCESS;
+}