def processOccupancyGrid(gridMessage, scaleFactor, cacheEmptyCells): grid = OccupancyGrid(gridMessage.data, gridMessage.info.height, gridMessage.info.width, gridMessage.info.resolution, (gridMessage.info.origin.position.x, gridMessage.info.origin.position.y)) grid.scale(scaleFactor, cacheEmptyCells=cacheEmptyCells) grid.expandObstacles() return grid