[Talk-in] NRSC Landuse data in public domain

Arun Ganesh arun.planemad at gmail.com
Wed Jul 6 21:04:36 BST 2011


On Thu, Jul 7, 2011 at 12:06 AM, Shalabh <shalabh.w at gmail.com> wrote:

>
>
> On Wed, Jul 6, 2011 at 11:58 PM, Arun Ganesh <arun.planemad at gmail.com>wrote:
>
>>
>>>>
>>>>>
>>>>>
>>> I managed to download the LULC layer but when I try to download in JOSM,
>>> I get a message
>>>
>>> Sorry! No data available in this scale.
>>>
>>> This is for very low zoom levels i.e.1 inch = 1 km
>>>
>>> Any idea why?
>>>
>>> Shalabh
>>>
>>
>> The imagery is for even lower zoom levels since its on the 1:1million
>> scale. I find it works only after the 1inch=20km range.Once it loads you can
>> disable the automatic downloading by right clicking the imagery layer, so
>> that you can zoom in without losing the tiles.
>>
>
> Thanks Arun. That solves the problem. However, the question is what use is
> the imagery at such low resolution. I can do much better with Yahoo imagery.
> Am I missing something?
>
>
For tracing into osm, not much. Its of more use for scientific purposes
where you can see extent of urban area, deforestation, wasteland etc. Such
details are not available on a pan-India scale from any other source.

>
>> Btw, now the usage policy clearly states that the data is in public domain
>> http://applications.nrsc.gov.in/policy.asp
>>
>> I have added the info to the osm wiki:
>>
>> http://wiki.openstreetmap.org/wiki/India/Data_sources#ISRO.2FNRSC_Landuse_Imagery
>>
>>
>>
>>>  --
>>>>
>>>>
>>
>>>
>>>>> H.S.Rai
>>>>>
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>>>>
>>>>
>>>>
>>>> --
>>>> j.mp/ArunGanesh
>>>>
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>>
>>
>> --
>> j.mp/ArunGanesh <http://j.mp/ArunGanesh>
>>
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-- 
j.mp/ArunGanesh <http://j.mp/ArunGanesh>
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