[DUG] Map Question

[Neven MacEwan]

Thanks Phil, I wanted Patongata, Hawkes Bay and needed better than 20m

Phil Scadden wrote:
>> Just as an aside what is the best source of detailed contour maps online 
>> and what is the level of detail they go to?
> 
> You cant separate this from "for where". National coverage is available
> with 20m contour lines from Linz topo, available both as georeferenced raster
> scans and as vector contours. These are the raw data - lines traced from
> photogrammetry rather than calculated from a DTM.
> 
> However, for numerous areas, particularly urban areas, there are
> DTMs with resolution of about 2m or contours at I think a 5m. (I don't have
> a catalogue of whats available handy). These are from the local authority.
> 
> I havent yet looked at what might be available GRACE satellite altimetry
> so far... Bits of the country are also covered by SAR.
> 
> ----------------------------------------------------------
> Phil Scadden, Institute of Geological and Nuclear Sciences
> 764 Cumberland St, Private Bag 1930, Dunedin, New Zealand
> Ph +64 3 4799663, fax +64 3 477 5232
> 
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> 
> 

-- 
Neven MacEwan (B.E. E&E)
Ph. 09 620 1356 Mob. 027 4749 062

New Address Details
===================
MWK Computer Systems
1 Taumata Rd
Sandringham
Auckland

Ph 620 1356
Fx 620 1336
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