Main Content Landmap Homepage

Download - Landmap DTM

User Defined Area of Interest Extraction

Not all options have been tested. Please contact the helpdesk for any bug reports.

 

1. Select your required coordinate system
25m DTM in British National Grid Coordinates
25m DTM Irish Grid Coordinates

2. Select the data formats you require (check your software for compatible formats - BIL is supported by most)

ASCII Grid
BIL (Band Interleaved by Line)
Erdas Rev. 7.4 (.gis output)
Grass 4.0
GeoTIFF
GRID
JPEG
3. Specify your area of interest (AOI) by either:
a) entering the centroid point and a range of interest
X:
Y:
clipsize :

10Km
25Km
50Km
100Km
200Km

(Gazetteer if you need to look up coordinates)

b) or by specifying x minimum and maximum values (biggest tile would be 250 Km)

X-Min:
X-Max:
Y-Min:
Y-Max :

(Gazetteer if you need to look up coordinates)