Raster Product Specifications
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1. Introduction
The contents of this appendix documents the minimum quality level criterion the raster products derived from the NTMS 1:250 000 and 1:100 000 scale products must achieve before being released for public access.
2. Raster Production Specifications
2.1 Raster 250K - Premium
| DPI: | 200 |
| Registered Points: | minimum 12 points |
| Colour: | 24 bit colour |
| Anti-aliasing: | Required |
| Background: | Transparent background |
| ECW Compression Ratio: | 5 |
| Geodetic Datum: | GDA94 |
| Geodetic Projection: | GEODETIC (Geographic) |
2.2 Raster 250K - Standard
| DPI: | 200 |
| Registered Points: | minimum 12 points |
| Colour: | 24 bit colour |
| Anti-aliasing: | Required |
| Background: | Transparent background |
| ECW Compression Ratio: | 20 |
| Geodetic Datum: | GDA94 |
| Geodetic Projection: | GEODETIC (Geographic) |
Topic contact: mapfeedback@ga.gov.au Last updated: January 20, 2012