C++ (Cpp) RasterTileCache::GetHeight示例

示例#1

文件： LoadTerrain.cpp 项目： Adrien81/XCSoar

int main(int argc, char **argv)
{
  Args args(argc, argv, "PATH");
  const char *map_path = args.ExpectNext();
  args.ExpectEnd();

  char jp2_path[4096];
  strcpy(jp2_path, map_path);
  strcat(jp2_path, DIR_SEPARATOR_S "terrain.jp2");

  TCHAR j2w_path[4096];
  _tcscpy(j2w_path, PathName(map_path));
  _tcscat(j2w_path, _T(DIR_SEPARATOR_S) _T("terrain.j2w"));

  NullOperationEnvironment operation;
  RasterTileCache rtc;
  if (!rtc.LoadOverview(jp2_path, j2w_path, operation)) {
    fprintf(stderr, "LoadOverview failed\n");
    return EXIT_FAILURE;
  }

  GeoBounds bounds = rtc.GetBounds();
  printf("bounds = %f|%f - %f|%f\n",
         (double)bounds.GetWest().Degrees(),
         (double)bounds.GetNorth().Degrees(),
         (double)bounds.GetEast().Degrees(),
         (double)bounds.GetSouth().Degrees());

  do {
    rtc.UpdateTiles(jp2_path, rtc.GetWidth() / 2, rtc.GetHeight() / 2,
                    1000);
  } while (rtc.IsDirty());

  return EXIT_SUCCESS;
}

示例#2

文件： LoadTerrain.cpp 项目： joachimwieland/xcsoar-jwieland

int main(int argc, char **argv)
{
  if (argc != 2) {
    fprintf(stderr, "Usage: %s PATH\n", argv[0]);
    return 1;
  }

  const char *map_path = argv[1];

  char jp2_path[4096];
  strcpy(jp2_path, map_path);
  strcat(jp2_path, DIR_SEPARATOR_S "terrain.jp2");

  TCHAR j2w_path[4096];
  _tcscpy(j2w_path, PathName(map_path));
  _tcscat(j2w_path, _T(DIR_SEPARATOR_S) _T("terrain.j2w"));

  NullOperationEnvironment operation;
  RasterTileCache rtc;
  if (!rtc.LoadOverview(jp2_path, j2w_path, operation)) {
    fprintf(stderr, "LoadOverview failed\n");
    return EXIT_FAILURE;
  }

  GeoBounds bounds = rtc.GetBounds();
  printf("bounds = %f|%f - %f|%f\n",
         (double)bounds.west.value_degrees(),
         (double)bounds.north.value_degrees(),
         (double)bounds.east.value_degrees(),
         (double)bounds.south.value_degrees());

  do {
    rtc.UpdateTiles(jp2_path, rtc.GetWidth() / 2, rtc.GetHeight() / 2,
                    fixed(50000));
  } while (rtc.IsDirty());

  return EXIT_SUCCESS;
}

示例#3

文件： LoadTerrain.cpp 项目： MietekAni/XCSoar

int main(int argc, char **argv)
{
  Args args(argc, argv, "PATH");
  const auto map_path = args.ExpectNext();
  args.ExpectEnd();

  ZZIP_DIR *dir = zzip_dir_open(map_path, nullptr);
  if (dir == nullptr) {
    fprintf(stderr, "Failed to open %s\n", map_path);
    return EXIT_FAILURE;
  }

  NullOperationEnvironment operation;
  RasterTileCache rtc;
  if (!LoadTerrainOverview(dir, rtc, operation)) {
    fprintf(stderr, "LoadOverview failed\n");
    zzip_dir_close(dir);
    return EXIT_FAILURE;
  }

  GeoBounds bounds = rtc.GetBounds();
  printf("bounds = %f|%f - %f|%f\n",
         (double)bounds.GetWest().Degrees(),
         (double)bounds.GetNorth().Degrees(),
         (double)bounds.GetEast().Degrees(),
         (double)bounds.GetSouth().Degrees());

  SharedMutex mutex;
  do {
    UpdateTerrainTiles(dir, rtc, mutex,
                       rtc.GetWidth() / 2, rtc.GetHeight() / 2, 1000);
  } while (rtc.IsDirty());
  zzip_dir_close(dir);

  return EXIT_SUCCESS;
}