| Value | Meaning |
|---|---|
| UndefinedInterlace | No interlace type has been specified. |
| NoInterlace | Don't interlace image (RGBRGBRGBRGBRGBRGB...). |
| LineInterlace | Use scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...). |
| PlaneInterlace | Use plane interlacing (RRRRRR...GGGGGG...BBBBBB...). |
| PartitionInterlace | Similar to plane interlacing except that the different planes are saved to individual files (e.g. image.R, image.G, and image.B) |
| GIFInterlace | |
| JPEGInterlace | |
| PNGInterlace |
Specify the ordering of the red, green, and blue pixel information in the image. Interlacing is usually used to make image information available to the user faster by taking advantage of the space vs time tradeoff. For example, interlacing allows images on the Web to be recognizable sooner and satellite images to accumulate/render with image resolution increasing over time. Use LineInterlace or PlaneInterlace to create an interlaced GIF or progressive JPEG image.