[GRASS-user] [Fwd: r.cost vs. costallocation (arcgis)]

[Markus Neteler]

On Tue, Apr 2, 2013 at 7:01 PM, Markus Metz
<markus.metz.giswork at gmail.com> wrote:
> On Tue, Apr 2, 2013 at 5:35 PM, Markus Neteler <neteler at osgeo.org> wrote:
>> On Mon, Apr 19, 2010 at 7:27 PM, Markus Metz:
>>>
>>> António M. Rodrigues:
>>>
>>>>
>>>> I've been reading about scripting and programming in GRASS, since I
>>>> believe the solution probably
>>>> involves writing some code based on r.cost.
>>>>
>>>> But of course, any help is welcomed.
>>
>> A similar (same?) question came up how to perform
>> http://webhelp.esri.com/arcgisdesktop/9.3/index.cfm?TopicName=Cost_Allocation
>>
>>> Try GRASS 7 r41926, r.cost got a new raster output option with the nearest
>>> start point. Is this what you had in mind?
>>
>> Trying this:
>> r.cost input=cost_ras start_rast=source_ras output=costsurf nearest=cost_alloc
>>
>> I got a different result.
>
> I got the same result. Did you set 0 to NULL in the .asc files?

No. But doing so the result is identical, perfect.

markusN