Differences

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

--- braindump [2018/10/09 02:42] – [Privatisation of LPI] allchin09
+++ braindump [2021/03/07 22:06] (current) – [Half of NSW topographic maps no longer printed] allchin09
@@ Line 28: / Line 28: @@
 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 ====
+==== The ending of hard copy topographic maps ====
 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.
@@ Line 36: / Line 36: @@
 {{ ::digitalonlymaps.jpg |}}
+By December 2020, all hard copy printing by Spatial Services had ceased and were no longer available for purchase. This extends to supply for resellers such as outdoor or map shops. Current supply of hard copy maps is only available by existing stock on hand of retailers, or where they are printing themselves from the electronic versions.
 ===== Geographic Names Board =====
@@ Line 64: / Line 66: @@
 ===== Topographic maps =====
-  * 1:63360 (2 inch:mile)
+  * 1:63360 (1 inch:mile)
     * 1st edition
     * 2nd edition (not all were revised
     * Note that the maps don't cover the whole of the state, they are mostly focused towards the coast. Also, there are a few 'holes' (eg Burragorang) where maps towards the coast were not published. This information is based on an index map held in the SLNSW which indicates which maps are in their collection, and it is assumed that they hold all maps which were published.
-  * 1:31680 (1 inch:mile)
+  * 1:31680 (2 inch:mile)
   * 1:50000 Army/RASC
     * 1st edition (ANG)
@@ Line 100: / Line 102: @@
     * 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 147: / Line 154: @@
 [[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 =====