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FAQs: redrafting

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Tom Russell 2018-04-15 20:05:22 +01:00
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@ -46,10 +46,12 @@
<dd>
Initially we set out just to capture and release numerical data relating to age
and land use relevant to energy and demolition related research within
academia, but we soon realised that the opportunity existed to capture many
more types of data for use in multiple applications.
Initially we set out to collect and share numerical and categorical data
relating to the age and land use of buildings for research into energy use and
demolition, but we soon realised that the opportunity exists to capture many
more types of data for use in all sorts of areas: from local history and
heritage to building conservation, sustainable urban planning, architecture and
the built environment.
</dd>
@ -57,43 +59,48 @@ more types of data for use in multiple applications.
<dd>
Anyone interested in London and its buildings, or in cities and in large-scale
building attribute data sets
Anyone interested in London and its buildings and anyone interested in cities
and large-scale building attribute datasets.
</dd>
<dt class="h2">How is the data going to be used?</dt>
<dt class="h2">How will the data be used?</dt>
<dd>
Our main job is to facilitate the collection, collation, visualisation and
dissemination of the data. We are very excited to see how they are used. To
help simulate discussion and ideas we are including a data showcase which will
allow anyone to upload examples of how they are using Colouring London data, or
how the same data categories are being used in other areas of the world.
We have some ideas, but we also hope to be surprised! Our main task is to
enable the collection, collation, visualisation and dissemination of the data.
We are very excited to see how they are used. To help stimulate discussion and
ideas we will include a data showcase which will allow anyone to share examples
of how they use Colouring London data, and to provide examples of how similar
datasets are being used elsewhere in the UK and around the world.
</dd>
<dt class="h2">Is there nowhere else you can access this type of information at building level?</dt>
<dt class="h2">Is there anywhere else you can access this type of information at building level?</dt>
<dd>
Not for London as a whole. The Valuation Office Agency holds the most
comprehensive records for tax purposes, but these are restricted at building
level, even to academia.
No, not for London as a whole. The Valuation Office Agency holds the most
comprehensive records for tax purposes, but these are restricted at the building
level, even for research within academia.
</dd>
<dt class="h2">Why aren’t you crowdsourcing text-based information on a building’s history?</dt>
<dt class="h2">Why aren’t you crowdsourcing textual information on the history of buildings?</dt>
<dd>
Our remit is to collect numerical data for statistical analysis. However we
will also include an area where a link can be added to take you to any web site
page/pages where text based information on the building can be accessed. IHS’s
‘Layers of London’ project http://alpha.layersoflondon.org/ and The Survey of
London/CASA’s Whitechapel project https://surveyoflondon.org/map/. We are
working closely with both HIS and The Survey.
Our main focus is to collect data for modelling and statistical analysis, where
numerical and categorical data tends to be most useful. However, we will
collect links to other sites where text based information on a building can be
created and shared. The <a href="http://alpha.layersoflondon.org/"
target="_blank">Layers of London</a> project by the Institute for Historical
Research and the <a href="https://surveyoflondon.org/map/"
target="_blank">Histories of Whitechapel</a> project by the Survey of London
and the Bartlett Centre for Advanced Spatial Analysis (CASA) both have an
interest in text (and audio and photographs). We are working in close
collaboration with both projects.
</dd>
@ -101,11 +108,12 @@ working closely with both HIS and The Survey.
<dd>
We asked many groups, ranging from academics and teachers to community groups
and built environment professionals and found many overlaps. We have limited
ourselves to 12 main categories to keep things simple, within which there are
around thity sub categories. The prototype testing period will allow us to see
whether there are any key categories missing.
We have had conversations with many different groups, from academics and
teachers to community groups and built environment professionals, and found
many overlaps. We have limited ourselves to 12 main categories to keep things
simple, within which there are around thirty sub-categories. The prototype
testing period will allow us to see whether there are any key categories
missing&mdash;feedback is welcome.
</dd>
@ -113,20 +121,23 @@ whether there are any key categories missing.
<dd>
Quantitative data on the building stock probably/hopefully not that
controversial other than for large developments. Utilities&rsquo; location may be
sensitive. We think unlikely to occur other than perhaps where issues surround
a particular development. Here the system allows both developers and
communities to upload and edit as they like and battle it out. For &lsquo;Like me&rsquo;,
users have to login and have only one vote per building.
Our intention is to cultivate a community which can handle occasional
disruption, along the lines of other collaborative online projects. The site
will allow anyone to upload and edit data as they like and to go back and forth
over the details if necessary. Quantitative data on the building stock is, we
hope, not too controversial, other than perhaps for large developments. The
locations of utilities&rsquo; may be sensitive, but this is not within the main
scope of our data collection. For the &lsquo;Like me&rsquo; category, users
will have only one vote per building.
<dt class="h2">How do you deal with people who keep entering &lsquo;wrong&rsquo; information.</dt>
<dt class="h2">How do you deal with people who enter &lsquo;wrong&rsquo; information.</dt>
<dd>
Like Wikipedia you will have to keep re-editing, however edit histories will
help users see where data comes from ie if it is uploaded by a specialist body.
Like Wikipedia, we as a community will have to keep re-editing, however edit
histories will help users see where data comes from, for example if it is
uploaded by a specialist body.
</dd>
@ -134,9 +145,10 @@ help users see where data comes from ie if it is uploaded by a specialist body.
<dd>
We recognise importance of this but we are only, in the first instance
gathering data on buildings, themselves. We do however include information
building position ie mid terrace, end of terrace, semi-detached and detached
We recognise the importance of this but in the first instance we will only
gather data on the buildings themselves. We will however include a sub-category
which records a building's position, i.e. mid-terrace, end-of-terrace,
semi-detached or detached.
</dd>
@ -144,12 +156,19 @@ building position ie mid terrace, end of terrace, semi-detached and detached
<dd>
We can record multiple uses but are reliant on OSMM polygons so if not
subdivided (as for UCL building) we have to either do this manually or group
all uses under a single polygons. Our hope is that the project will stimulate
discussion with OS regarding a more user friendly open version of the building
footprints. Post war estates for examples have separate polygons for balconies
etc which is not ideal.
We intend to record as many uses per building as necessary.
</dd>
<dt class="h2">What if several buildings are represented as a single outline?</dt>
We rely on Ordnance Survey MasterMap for our building outlines, so if these are
not subdivided, we will need to attach extra data to the single outline, or
else consider altering the outlines manually. Some buildings have the opposite
problem, where there are multiple polygons for a single building. For example
some post-war estates have each of the balconies drawn separately. Our hope is
that the project will stimulate discussion with Ordnance Survey regarding a
more user friendly open version of the building outlines.
</dd>
@ -157,30 +176,48 @@ etc which is not ideal.
<dd>
Yes if OS permits use of polygons. Colouring London will act as a proof of
concept.
Yes, in principal. We hope that Colouring London will act as a proof of
concept. We rely on a sufficient set of building outlines to provide the basis
for all the building attribute data that we collect&mdash;for London, Ordnance
Survey and the Greater London Authority have supported us by providing
the MasterMap building outlines.
</dd>
<dt class="h2">Have you involved Open Street Map in the project?</dt>
<dt class="h2">Have you involved OpenStreetMap in the project?</dt>
<dd>
We had a discussion with OSM at an international mapping conference in Leuven
last year and would very much like the OSM community to become involved
project. We hope that by generating data of relevance to local areas we will
also stimulate an increase interest in OSM and in building polygon generation.
Yes, we had a discussion with OpenStreetMap contributors at an international
mapping conference in Leuven last year and would very much like the
OpenStreetMap community to become involved in the project. We hope that by
generating data of relevance to local areas we will also stimulate increased
interest in OpenStreetMap and in collecting building outline polygons as open
data.
</dd>
<dt class="h2">How can communities download spatial information if no coordinates are given?  </dt>
<dt class="h2">Will all the data collected be released as open data?</dt>
<dd>
This is the main reason why address detail collection is so important, is so
that we can offer some spatial reference within the open tables. We will also
be asking the OSM community if, as suggested by a contributor, it can help
upload WGS84 coordinates.
Yes, all the building attributes which we collect will be available under an
open data license. However, we are limited by Ordnance Survey data licensing
and are not currently able to provide building outlines or geographical
coordinates. We will provide sufficient data for MasterMap users to link
building attributes to their own copies of the polygons.
</dd>
<dt class="h2">How can communities download the data with sufficient spatial information?</dt>
<dd>
We will collect details of building addresses, including postcodes, as a first
step towards providing location details. We will also look into the
possibility of creating and sharing geographical coordinates for our
dataset as open data, as suggested by a contributor, in collaboration with the
OpenStreetMap community.
</dd>
</dl>