[talk-au] Aligning admin boundaries (including those resulting from ABS 2006 imported data) to coastline..

2011-01-20 Thread Ian Sergeant
On 20 January 2011 18:22, pheasant.cou...@gmail.com wrote: Victorian Coastline notwithstanding guys, please remember the data under discussion is the ABS2006 set. It seems to have largely followed physical boundaries; but not quite always. It seems to have followed suburb boundaries; but not

Re: [talk-au] Aligning admin boundaries (including those resulting from ABS 2006 imported data) to coastline..

2011-01-20 Thread 4x4falcon
Can we can just confine the discussion to coastline then? As you say, there is unlikely to be a definitive answer for other boundaries, but the coast is the coast, yes? Steve Bennett proposed the five options.. 1) Administrative boundaries are as imported, and will randomly criss-cross the

Re: [talk-au] Aligning admin boundaries (including those resulting from ABS 2006 imported data) to coastline..

2011-01-20 Thread edodd
. Can we can just confine the discussion to coastline then? As you say, there is unlikely to be a definitive answer for other boundaries, but the coast is the coast, yes? The Victorian coastline changes too - especially along the limestone Shipwreck Coast to the east of Warrnambool. What

Re: [talk-au] Aligning admin boundaries (including those resulting from ABS 2006 imported data) to coastline..

2011-01-20 Thread Steve Bennett
On Fri, Jan 21, 2011 at 11:11 AM, 4x4falcon i...@4x4falcon.com wrote: Problem with option 3 is that if nodes are the same you end up with a major duplicate node issue and if it comes to editing either then newbies tend to get it wrong.  If the nodes are joined then you end up with a duplicate

Re: [talk-au] Aligning admin boundaries (including those resulting from ABS 2006 imported data) to coastline..

2011-01-20 Thread Steve Bennett
On Fri, Jan 21, 2011 at 1:29 PM, ed...@billiau.net wrote: but while the coastline is constantly altering the admin boundary is expected to remain unaltered Do you think? Surely those admin boundaries are expressed as to the high tide mark or something, not to some arbitrary coordinate which.

Re: [talk-au] Aligning admin boundaries (including those resulting from ABS 2006 imported data) to coastline..

2011-01-20 Thread John Smith
On 21 January 2011 15:04, Steve Bennett stevag...@gmail.com wrote: Do you think? Surely those admin boundaries are expressed as to the high tide mark or something, not to some arbitrary coordinate which. Not just a matter of marking high tide mark, but this is a moving target so what is correct

Re: [talk-au] Aligning admin boundaries (including those resulting from ABS 2006 imported data) to coastline..

2011-01-20 Thread edodd
On Fri, Jan 21, 2011 at 1:29 PM, ed...@billiau.net wrote: but while the coastline is constantly altering the admin boundary is expected to remain unaltered Do you think? Surely those admin boundaries are expressed as to the high tide mark or something, not to some arbitrary coordinate

Re: [talk-au] Aligning admin boundaries (including those resulting from ABS 2006 imported data) to coastline..

2011-01-20 Thread John Smith
On 21 January 2011 15:23, ed...@billiau.net wrote: I'm staying at the surveyor's house, but he's just gone out. The principle is that the definition is made by statute which is clear. Then the marks are placed by the surveyors, and regardless of error, that's where they stay. He was just

Re: [talk-au] Aligning admin boundaries (including those resulting from ABS 2006 imported data) to coastline..

2011-01-20 Thread Ben Last
On 21 January 2011 13:23, ed...@billiau.net wrote: He was just telling us that the eastern border of WA is the only one which is the same on the ground as in statute. Presumably so that we know for sure when the cane toads cross it? :) Sorry, I'll go back to flood surveys! Cheers b -- Ben

Re: [talk-au] Aligning admin boundaries (including those resulting from ABS 2006 imported data) to coastline..

2011-01-20 Thread 4x4falcon
On 21/01/11 13:03, Steve Bennett wrote: On Fri, Jan 21, 2011 at 11:11 AM, 4x4falconi...@4x4falcon.com wrote: Problem with option 3 is that if nodes are the same you end up with a major duplicate node issue and if it comes to editing either then newbies tend to get it wrong. If the nodes are