[GRASS-user] row() and col() problem

[Jarosław Jasiewicz]

Hamish pisze:
> Jarosław Jasiewicz wrote:
>   
>> I try to generate map where every cell will have unique value
>> I do that with following mapcalc formula:
>>
>> map=(row()*451)+col()
>>
>> where 451 is the total number of columns + 1
>>
>> I expected following solution;
>>
>> 452,453,454,455,....
>> 953,954,955,956,....
>> .....
>>
>> But I recived:
>>
>> 452,452,453,454,454,....
>> 452,452,453,454,454,....
>> 953,954,955,956,....
>> 953,954,955,956,....
>> ....
>>
>> Where is the error in formula (or it is rounding problem)?
>>     
>
>
> did you change the g.region resolution after creating the map?
>
> if you do  'g.region rast=map' before output is it ok?
>   
Yes, but not
>
> Hamish
>
>
>
>       
>   
well, the problem may lays elsewhere

r.stats -1 input=map shows expected result, but when I use "display cell 
values layer" form gis.m it shows wrong results. It change default 
region as I know.
thanks
Jarek