[R-sig-Geo] Seeking example of making polygons from non-uniformgrid

[Michael Sumner]

Waichler, Scott R wrote:
>> Does this help? 
>>
>> ## bottom left corner of bottom left cell llX <- 0 llY <- 0.5
>>
>> ## cell width and height
>> cellX <- 1
>> cellY <- 0.3
>>     
>
> Michael, thanks for the example, but does this not assume that cellX is
> constant across the grid, and likewise for cellY?
>   

Whoops, I'm sorry.