| getCircRegion | set a rectangular or circular region in an affybatch to a specified set of values |
| getRectRegion | set a rectangular or circular region in an affybatch to a specified set of values |
| setCircRegion | set a rectangular or circular region in an affybatch to a specified set of values |
| setRectRegion | set a rectangular or circular region in an affybatch to a specified set of values |