Section 7 - Template 41 : Grid point data - Portable Network Graphics (PNG) Format Note: For most templates, details of the packing process are described in regulation 92.9.4

Templates for Section 7

• Template 0
• Template 1
• Template 2
• Template 3
• Template 4
• Template 40
• Template 41
• Template 50
• Template 51

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( 1) If octet 20 of Data Representation Template 5.41 specifies the data is packed into either 1, 2, 4, 8, or 16 bits, then encode the "image" as a grayscale image. If octet 20 specifies 24 bits, encode the "image" as an Red-Green-Blue (RGB) color image with 8 bit depth for each color component, and finally if octet 20 is 32, encode the "image" as a RGB color image with an alpha sample using an 8 bit depth for each of the four components.