[gdal-dev] aux/lyr/rrd raster dataset?

[Smith, Michael]

They are all extra things that GDAL does not need:

LYR is an ArcGIS layer file, it just stores symbology and so on about
how to represent data in ArcMap.
AUX is an auxiliary statistics file which ArcGIS generates for doing
stretches, histograms, etc
RRD is a pyramid file which ArcGIS generates to display raster data
faster at various scales

These files by themselves are not raster data - they will accompany
something else, i.e. a TIFF file or something like that.

======================================
Michael Smith
State GIS Manager, Maine Office of GIS
State of Maine, Office of Information Technology
michael.smith _at_ maine.gov
207-215-5530

Board Member, Maine GeoLibrary
Board Member, Maine GIS Users Group
State Rep, National States Geographic Information Council

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-----Original Message-----
From: gdal-dev-bounces at lists.osgeo.org
[mailto:gdal-dev-bounces at lists.osgeo.org] On Behalf Of Ari Jolma
Sent: Friday, April 27, 2012 9:39 AM
To: gdal-dev at lists.osgeo.org
Subject: [gdal-dev] aux/lyr/rrd raster dataset?

Hi,

I got some data in files which have aux, lyr and rrd extensions. I 
believe they are raster datasets in some ESRI or ERDAS formats.

My GDAL did not recognize them immediately. Can somebody explain a bit 
what do I have?

Cheers,

Ari

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