Raster database problem sheet

• Exercise 1: - none -
• Exercise 2: Get spatial domain of mr images
  • Get whole sdom
  • Select upper bound of 2nd dimension
• Exercise 3: Get a cutout of rgb image:
  • 200x200 pixels, starting at top left, i.e., (0,0)
  • Half width, half height, aligned at center
• Exercise 4: Determine those areas within rgb image where green greater than 130, red lower than 150 and blue lower than 140
• Exercise 5: Find the maximum value in the rgb red channel dataset
• Bonus: create a query returning such an image:

Best success, and have fun!