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South West WA 50K Scale Topo Maps USB

South West WA 50K Scale Topo Maps USB

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South West WA 50K Scale Topo Maps USB Sample
South West WA 50K Scale Topo Maps USB

South West WA 50K Scale Topo Maps USB

$75.00 AUD incl. GST | Free Shipping
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Product Overview

Product No:
2808479
Publisher:
Greg Harewood
ISBN:
9321438102311
Edition:
2nd Edition
Size:
85 x 135 x 10 mm
Weight:
95 g
Format:
USB
Scale:
1:50 000
Sales Rank:
3366 (See Top 100 in Maps)

Product Description

The 8GB USB contains 283 digital scans of Landgate’s and Geoscience Australia’s (Royal Australian Survey Corps - RASC) 1:50,000 topographical and cadastral map series that cover parts of South West W.A. Where available, Landgate’s Topo/Cad maps (with 10m contour intervals) have been used but in areas where no coverage from this series was available, the RASC maps were used. The Survey Corp maps do not show cadastral (land boundary) data and have 20m contour intervals shown.

The digital maps and other data supplied with this product are primarily designed for users of OziExplorer GPS mapping software (not included) however the maps are also suitable for use with a wide range of other map viewing/gps mapping software or printing. Please check compatibility with your preferred gps/mapping software before purchase (Note: some other image formats are available upon request).

The maps have been scanned at 200dpi and the resulting images geo-referenced and supplied on the USB in two formats, OZF3 and ECW. The OZF3 format images retain the original resolution while the ECW format files have been compressed and some clarity is lost. OZF3 images can only be used with the various versions of OziExplorer (Windows PC, Android and Windows CE (including the Hema Navigator). The ECW format image files can be used with OziExplorer but also a wide variety of other navigational and GIS programs such as TrackRanger, TwoNav, ArcView, MapInfo and Global Mapper.

Each map sheet generally covers an area of 15' longitude by 15' latitude which corresponds to approximately 25km x 25km. Some combined sheets cover a slightly larger area. The maps show all significant natural features (lakes, swamps, rivers, creeks, hills, coastal features etc) along with cultural features (tracks, roads, highways, towns, dams etc) present at the time the data was collected for use to draft the maps.

This USB comes with ER VIEWER (by Intergraph), a free desktop image viewer that allows you to open and view the supplied ECW map files on your Windows computer. The program provides a coordinate readout in either decimal degrees to two decimal places (for maps calibrated using Latitude and Longitude) or in metres to two decimal places (for maps calibrated in UTM). Distance measurement is also available for UTM projected maps.

For a more accurate co-ordinate readout, and access to features such as moving map, track and waypoint creation, a compatible map viewing software such as OziExplorer or TrackRanger is required. These programs are not included on the USB and must be obtained separately, possibly at additional cost. It should be noted that free demo versions of some programs are available. Some of these can be used to at least view the maps. See individual software maker’s websites for details.

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