[talk-au] Mapping houses and addresses in Sydney

[Dion Moult]

Wow, seems a little overkill to put the task there where it seems the objective is for humanitarian needs :) Australian house addresses are hardly humanitarian in nature :)

Dion Moult

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On June 17, 2018 9:30 AM, Phil Wyatt <phil at wyatt-family.com> wrote:

> You could put a project up on the HOT Task manager as a low priority and then send folks the link
>
> https://tasks.hotosm.org/contribute?difficulty=ALL
>
> Cheers - Phil,
> On the road with his iPad
>
> On 16 Jun 2018, at 10:29 pm, Dion Moult <dion at thinkmoult.com> wrote:
>
>> As a continuation of this thread just wondering if there was a way to divide up Sydney into a grid and automatically check the progress of whether that zone has been mapped or not. Is there a standard approach for this?
>>
>> Dion Moult
>>
>> -------- Original Message --------
>> On 6 Jun 2018, 09:39, Warin < 61sundowner at gmail.com> wrote:
>>
>>> On 06/06/18 08:51, Dion Moult wrote:
>>>> Thanks Andrew et all,
>>>>
>>>> Yes, I have used the ESRI imagery layer. Thanks for the heads up of the LPI base map. Before I go too far, can one of you please look at the work I've done so far if I'm doing things correctly? Here is a small sample in the suburb of Epping that I have traced houses and added addresses:
>>>>
>>>> https://www.openstreetmap.org/#map=18/-33.78071/151.06628
>>>>
>>>> In that scenario I did not trace off the LPI imagery, but instead traced off ESRI. I noticed if I enable the LPI imagery, the houses don't line up. Should this be fixed? If so, what's the best way?
>>>
>>> Any imagery can have a 'offset' from where it should be. And that offset will vary as you go up and down hills.
>>>
>>> The LPI Imagery has much better resolution and less parallax error than the other sources .. I prefer it to any other images for its accuracy.
>>>
>>> That said it is usefull to check with other images for more up to date things. I found in Coffs Harbour that the DigitalGlobe stuff is more current.
>>>
>>> I'll leave others to comment on that address stuff.. no expert on that (yet). :)
>>>
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