Differences

This shows you the differences between two versions of the page.

--- braindump [2018/10/08 23:26] – [Web Mercator (EPSG:3857/EPSG:900913)] allchin09
+++ braindump [2018/10/10 21:33] – [Australian National Grid (ANG)] allchin09
@@ Line 27: / Line 27: @@
 However, the mapping section has already be moved from Prince Albert Rd Sydney, out to Bathurst. No longer can one walk into an LPI building in Sydney to make mapping related enquiries, or to look at aerial images through a set of stereo glasses.
+==== Half of NSW topographic maps no longer printed ====
+From 3rd September 2018, 524 out of their 1,094 titles for the state were only made available in digital form from Spatial Services. By area, this covered about 3/4 of the state.
+A notice regarding the change can be found [[http://spatialservices.finance.nsw.gov.au/__data/assets/pdf_file/0008/219455/SpatialServices_Topoletter.pdf|here]]
+[[http://maps.ozultimate.com/?id=1534338535930|Interactive map of 'digital only' maps]]
+{{ ::digitalonlymaps.jpg |}}
 ===== Geographic Names Board =====
@@ Line 91: / Line 100: @@
     * Elevation Data
       * [[http://www.ga.gov.au/elvis/|ELVIS - Elevation Information System]]
+====== Terminology ======
+Well defined and consistant terminology goes a long way to assist in clear and well understood communication.
+Refer to the [[terminology]] page for further information.
 ====== Datums ======
@@ Line 138: / Line 152: @@
 [[http://www.binaryearth.net/AusDatumTool/AustralianNationalGrid.html]]
-The ANG makes use of the Clarke 1858 spheroid.
+The ANG makes use of the Clarke 1858 spheroid, where the parameters are expressed in British feet for mainland Australia (and Clarkes feet for Tasmania).
 ===== Datum Conversions =====