Basic zone types.
Values:
| IG_REC_WT_FLOW | Flowed text. This zone type means that the zone contains textual information without a table type structure inside. Also for CJK caharcters. |
| IG_REC_WT_TABLE | Table type zone. This type means that the zone contains a table, i.e., rows and columns. |
| IG_REC_WT_GRAPHIC | Graphic type zone. This type of zone contains graphics, i.e., this zone will not be recognized at all and all other recognition related settings will be ignored. The only reason to have such a zone is to save or export the image inside it. |
| IG_REC_WT_AUTO | IG_REC_zones_locate performs a parsing algorithm, and it may create several zones of types IG_REC_WT_FLOW, IG_REC_WT_TABLE, and IG_REC_WT_GRAPHIC. |
| IG_REC_WT_IGNORE | Ignore zone. IG_REC_zones_locate does not create any zones. |
| IG_REC_WT_FORM | Form zone. Logical Form Recognition will run within this zone. It indicates an unfilled form and it should be set in the user zone before running IG_REC_zones_locate. IG_REC_zones_locate creates one zone; the created zone will contain a description of the form objects. |
| IG_REC_WT_VERTTEXT | Vertical text. For CJK characters only. |
| IG_REC_WT_LEFTTEXT | Left rotated text. For Latin characters only. |
| IG_REC_WT_RIGHTTEXT | Right rotated text. For Latin characters only. |