[Geoserver-devel] Who is interested in SLD editing?

It seems that there are a number of us interested in a Styled Layer Descriptor (SLD) parser/renderer/editor and as usual, it will be better if we work on this together rather than in competing projects.

So I suggest we start by identifying:
Who is interested in this thread.
Why you are interested.
What you want to achieve.
What platform you need to develop for.
What are your timeframes.
Where you live and what timezone (so we can organise a meetings).

We can then identify a plan for implementation together.

I'll start:
My employer, Lisasoft will be implementing a "Discover, Browse, Download client" for Geoconnections' Canadian Geographic Data Infrastructure Interoperability Pilot. This will include selecting features using a Filter, and we would like to include styling using SLD.

We plan to implement this in Mapbuilder which wraps OpenLayers functionality. If it makes sense technically and schedule wise, we can are happy to have the functionality in OpenLayers.

We need to be complete by 1 October (with our first milestone at the end of August).

We are based in Sydney (+10 Hours) and Adelaide (+9.5 Hours), Australia.

I forgot to CC webmap-discuss, which may have some interested parties.

Cameron Shorter wrote:

It seems that there are a number of us interested in a Styled Layer Descriptor (SLD) parser/renderer/editor and as usual, it will be better if we work on this together rather than in competing projects.

So I suggest we start by identifying:
Who is interested in this thread.
Why you are interested.
What you want to achieve.
What platform you need to develop for.
What are your timeframes.
Where you live and what timezone (so we can organise a meetings).

We can then identify a plan for implementation together.

I'll start:
My employer, Lisasoft will be implementing a "Discover, Browse, Download client" for Geoconnections' Canadian Geographic Data Infrastructure Interoperability Pilot. This will include selecting features using a Filter, and we would like to include styling using SLD.

We plan to implement this in Mapbuilder which wraps OpenLayers functionality. If it makes sense technically and schedule wise, we can are happy to have the functionality in OpenLayers.

We need to be complete by 1 October (with our first milestone at the end of August).

We are based in Sydney (+10 Hours) and Adelaide (+9.5 Hours), Australia.

I am interested

I'm running a high traffic educational GIS site and recently figured out that we need clientside classification to allow students to do GIS analysis on their data (collected by GPS/PDA) This would give a boost to GIS-education since it allows high-school students to show their data on a map the way they want

I want to end up with a intuitive (for highschool students) interface to select, classify and display their own data (prolly through wfs)

Just like any sensible being I develop for FF, but unfortunately schools use IE 5-7 (where IE5 is a lost cause)
There's no immediate timeframe, although and of august would be nice because it is the beginning of the schools year.
I live in amsterdam, .nl GMT +1

On Jul 3, 2007, at 12:06 AM, Cameron Shorter wrote:

It seems that there are a number of us interested in a Styled Layer
Descriptor (SLD) parser/renderer/editor and as usual, it will be better
if we work on this together rather than in competing projects.

So I suggest we start by identifying:
Who is interested in this thread.
Why you are interested.
What you want to achieve.
What platform you need to develop for.
What are your timeframes.
Where you live and what timezone (so we can organise a meetings).

We can then identify a plan for implementation together.

I'll start:
My employer, Lisasoft will be implementing a "Discover, Browse, Download
client" for Geoconnections' Canadian Geographic Data Infrastructure
Interoperability Pilot. This will include selecting features using a
Filter, and we would like to include styling using SLD.

We plan to implement this in Mapbuilder which wraps OpenLayers
functionality. If it makes sense technically and schedule wise, we can
are happy to have the functionality in OpenLayers.

We need to be complete by 1 October (with our first milestone at the end
of August).

We are based in Sydney (+10 Hours) and Adelaide (+9.5 Hours), Australia.

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Why you are interested.

I am a Google Summer of Code student working on an SLD editor for Geoserver.

What you want to achieve.

My ultimate goal is a user-friendly, general-purpose graphical SLD
editor: Something that simplifies common tasks but is still useful for
complex SLDs. This is unlikely to happen by the end of the Summer, so
the immediate goal is a very limited editor with a visual preview,
with a design that is easily extensible for more complex editing.

What platform you need to develop for.

Browsers

What are your timeframes.

The Summer of Code ends in late August.

Where you live and what timezone (so we can organise a meetings).

Illinois, USA, GMT -5

There are a number of responders to this email, and I'm not sure everyone received all responses, so I've collated them below.

Cameron Shorter: Sydney +11 hours
Tim Schaub: Bozeman, MT, USA - MDT -7 hours.
Steven Ottens: amsterdam, .nl GMT +1
Anthony Manfredi: Illinois, USA, GMT -5
Lorenzo Becchi: Italy/Spain GMT+1

I think this shows our time zone:
http://timeanddate.com/worldclock/meetingtime.html?month=5&day=7&year=2007&p1=240&p2=75&p3=16&p4=893

I suggest we have a kickoff meeting to kick things off.
It looks like it will be difficult to find a good slot for everyone:
I suggest this: http://timeanddate.com/worldclock/meetingdetails.html?year=2007&month=5&day=8&hour=20&min=0&sec=0&p1=240&p2=75&p3=16&p4=893

Who can make this? If not, would another day be better?

----------------------

Tim Schaub wrote:

Cameron Shorter wrote:

It seems that there are a number of us interested in a Styled Layer Descriptor (SLD) parser/renderer/editor and as usual, it will be better if we work on this together rather than in competing projects.

Who is interested in this thread.

I am.

Why you are interested.

I know that parts of the resulting code would fit nicely in OpenLayers. I have a good idea of how that should fit in. Depending on how it is developed, I will have a good idea of what is not appropriate for OpenLayers - and should be instead be pushed elsewhere.

What you want to achieve.

I'd like anybody to be able to put together an SLD editor with as few dependencies as possible. (I see this being entirely possible with no specific server side dependencies.)

What platform you need to develop for.

A-Grade browsers.

What are your timeframes.

No specific time frame, as I don't currently have work that requires it. I can volunteer some time and schedule more time if I find a project that will make use of it.

Where you live and what timezone (so we can organise a meetings).

I'm in Bozeman, MT, USA - MDT -7 hours.

I look forward to being involved,
Tim

----------------------
Steven M. Ottens wrote:

I am interested

I'm running a high traffic educational GIS site and recently figured out that we need clientside classification to allow students to do GIS analysis on their data (collected by GPS/PDA) This would give a boost to GIS-education since it allows high-school students to show their data on a map the way they want

I want to end up with a intuitive (for highschool students) interface to select, classify and display their own data (prolly through wfs)

Just like any sensible being I develop for FF, but unfortunately schools use IE 5-7 (where IE5 is a lost cause)
There's no immediate timeframe, although and of august would be nice because it is the beginning of the schools year.
I live in amsterdam, .nl GMT +1

----------------------
Anthony Manfredi wrote:

Why you are interested.

I am a Google Summer of Code student working on an SLD editor for Geoserver.

What you want to achieve.

My ultimate goal is a user-friendly, general-purpose graphical SLD
editor: Something that simplifies common tasks but is still useful for
complex SLDs. This is unlikely to happen by the end of the Summer, so
the immediate goal is a very limited editor with a visual preview,
with a design that is easily extensible for more complex editing.

What platform you need to develop for.

Browsers

What are your timeframes.

The Summer of Code ends in late August.

Where you live and what timezone (so we can organise a meetings).

Illinois, USA, GMT -5

----------------------
Lorenzo Becchi wrote:

Hi Cameron,

It seems that there are a number of us interested in a Styled Layer Descriptor (SLD) parser/renderer/editor and as usual, it will be better if we work on this together rather than in competing projects.

So I suggest we start by identifying:
Who is interested in this thread.
  

I am too.
  

Why you are interested.
  

I'm on a project at FAO (fao.org) that needs this component.
  

What you want to achieve.
  

I have a minimum target on a simple style editor for WMS, where "simple" stays for styling borders and colors of geometries. Soon we will need to add much more interactivity, es: adding standard raster styling (quantile, ...)
Naturally having a complete system that can manage WMS and Vector styles would be a dream.
We need an "easy to use" interface.

What platform you need to develop for.
  

OpenLayers and JS in general is the perfect environment for most of the features we need. Anyway we're thinking at a server component (based on geoServer) to receive feedback about features like min/max values, histograms, geometry types (maybe), ecc to let us refine the user interaction and experience.
The only component we have more or less defined is a SLD Storer that use OCG PutStyle and GetStyle to store and retrieve user defined styles, we've only thought at a little trick to extend it.

What are your timeframes.
  

Minimum target can be in 1-2 month, October for the prototype with a good set of features.
No Vector drawing needed for this year.
  

Where you live and what timezone (so we can organise a meetings).
  

Italy/Spain GMT+1

I'll be pleased to share the effort.
I'm fully available for the UI (JS) and I have support from my team for the server part (based on GeoServer or independent Java stuff).

ciao
Lorenzo

----------------------

----------------------

----------------------

----------------------

Cameron,

I'm sure you made a mistake. We are in July now. May 8th is outdated.

Best.

Pierre

On 7/7/07, Cameron Shorter <cameron.shorter@anonymised.com> wrote:

There are a number of responders to this email, and I'm not sure
everyone received all responses, so I've collated them below.

Cameron Shorter: Sydney +11 hours
Tim Schaub: Bozeman, MT, USA - MDT -7 hours.
Steven Ottens: amsterdam, .nl GMT +1
Anthony Manfredi: Illinois, USA, GMT -5
Lorenzo Becchi: Italy/Spain GMT+1

I think this shows our time zone:
http://timeanddate.com/worldclock/meetingtime.html?month=5&day=7&year=2007&p1=240&p2=75&p3=16&p4=893

I suggest we have a kickoff meeting to kick things off.
It looks like it will be difficult to find a good slot for everyone:
I suggest this:
http://timeanddate.com/worldclock/meetingdetails.html?year=2007&month=5&day=8&hour=20&min=0&sec=0&p1=240&p2=75&p3=16&p4=893

Who can make this? If not, would another day be better?

----------------------

Tim Schaub wrote:
> Cameron Shorter wrote:
>> It seems that there are a number of us interested in a Styled Layer
>> Descriptor (SLD) parser/renderer/editor and as usual, it will be
>> better if we work on this together rather than in competing projects.
>
>> Who is interested in this thread.
>
> I am.
>
>> Why you are interested.
>
> I know that parts of the resulting code would fit nicely in
> OpenLayers. I have a good idea of how that should fit in. Depending
> on how it is developed, I will have a good idea of what is not
> appropriate for OpenLayers - and should be instead be pushed elsewhere.
>
>> What you want to achieve.
>
> I'd like anybody to be able to put together an SLD editor with as few
> dependencies as possible. (I see this being entirely possible with no
> specific server side dependencies.)
>
>> What platform you need to develop for.
>
> A-Grade browsers.
>
>> What are your timeframes.
>
> No specific time frame, as I don't currently have work that requires
> it. I can volunteer some time and schedule more time if I find a
> project that will make use of it.
>
>> Where you live and what timezone (so we can organise a meetings).
>
> I'm in Bozeman, MT, USA - MDT -7 hours.
>
> I look forward to being involved,
> Tim
>

----------------------
Steven M. Ottens wrote:
> I am interested
>
> I'm running a high traffic educational GIS site and recently figured
> out that we need clientside classification to allow students to do GIS
> analysis on their data (collected by GPS/PDA) This would give a boost
> to GIS-education since it allows high-school students to show their
> data on a map the way they want
>
> I want to end up with a intuitive (for highschool students) interface
> to select, classify and display their own data (prolly through wfs)
>
> Just like any sensible being I develop for FF, but unfortunately
> schools use IE 5-7 (where IE5 is a lost cause)
> There's no immediate timeframe, although and of august would be nice
> because it is the beginning of the schools year.
> I live in amsterdam, .nl GMT +1
----------------------
Anthony Manfredi wrote:
>> Why you are interested.
>
> I am a Google Summer of Code student working on an SLD editor for
> Geoserver.
>
>> What you want to achieve.
>
> My ultimate goal is a user-friendly, general-purpose graphical SLD
> editor: Something that simplifies common tasks but is still useful for
> complex SLDs. This is unlikely to happen by the end of the Summer, so
> the immediate goal is a very limited editor with a visual preview,
> with a design that is easily extensible for more complex editing.
>
>> What platform you need to develop for.
>
> Browsers
>
>> What are your timeframes.
>
> The Summer of Code ends in late August.
>
>> Where you live and what timezone (so we can organise a meetings).
>
> Illinois, USA, GMT -5
----------------------
Lorenzo Becchi wrote:
> Hi Cameron,
>
>> It seems that there are a number of us interested in a Styled Layer
>> Descriptor (SLD) parser/renderer/editor and as usual, it will be better
>> if we work on this together rather than in competing projects.
>>
>> So I suggest we start by identifying:
>> Who is interested in this thread.
>>
> I am too.
>
>> Why you are interested.
>>
> I'm on a project at FAO (fao.org) that needs this component.
>
>> What you want to achieve.
>>
> I have a minimum target on a simple style editor for WMS, where "simple"
> stays for styling borders and colors of geometries. Soon we will need to
> add much more interactivity, es: adding standard raster styling
> (quantile, ...)
> Naturally having a complete system that can manage WMS and Vector styles
> would be a dream.
> We need an "easy to use" interface.
>
>> What platform you need to develop for.
>>
> OpenLayers and JS in general is the perfect environment for most of the
> features we need. Anyway we're thinking at a server component (based on
> geoServer) to receive feedback about features like min/max values,
> histograms, geometry types (maybe), ecc to let us refine the user
> interaction and experience.
> The only component we have more or less defined is a SLD Storer that
> use OCG PutStyle and GetStyle to store and retrieve user defined styles,
> we've only thought at a little trick to extend it.
>
>> What are your timeframes.
>>
> Minimum target can be in 1-2 month, October for the prototype with a
> good set of features.
> No Vector drawing needed for this year.
>
>> Where you live and what timezone (so we can organise a meetings).
>>
> Italy/Spain GMT+1
>
> I'll be pleased to share the effort.
> I'm fully available for the UI (JS) and I have support from my team for
> the server part (based on GeoServer or independent Java stuff).
>
> ciao
> Lorenzo

----------------------

----------------------

----------------------

----------------------

Cameron,

I'm sure you made a mistake. We are in July now. May 8th is outdated.

right but it doesn't change that much.
I'll be flying to Rome that evening and hope to find an internet connection in time

ciao
Lorenzo

Best.

Pierre

On 7/7/07, Cameron Shorter <cameron.shorter@anonymised.com> wrote:

There are a number of responders to this email, and I'm not sure
everyone received all responses, so I've collated them below.

Cameron Shorter: Sydney +11 hours
Tim Schaub: Bozeman, MT, USA - MDT -7 hours.
Steven Ottens: amsterdam, .nl GMT +1
Anthony Manfredi: Illinois, USA, GMT -5
Lorenzo Becchi: Italy/Spain GMT+1

I think this shows our time zone:
http://timeanddate.com/worldclock/meetingtime.html?month=5&day=7&year=2007&p1=240&p2=75&p3=16&p4=893

I suggest we have a kickoff meeting to kick things off.
It looks like it will be difficult to find a good slot for everyone:
I suggest this:
http://timeanddate.com/worldclock/meetingdetails.html?year=2007&month=5&day=8&hour=20&min=0&sec=0&p1=240&p2=75&p3=16&p4=893

Who can make this? If not, would another day be better?

I'm interested in a using/promoting the use of a more extensive SLD editor
than those I've found (uDig is very good, but lacks a few key features). I
work for the State of Massachusetts, Office of Geographic and
Environmental Information (MassGIS http://www.mass.gov/mgis).

Why you are interested.

I have GIS users who are more familiar with ArcView 3 and ArcMap than SLD.
They want me to serve online maps for them. Often now I take their
ArcMap-styled map and have to recreate the symbology in SLD, because we are
using GeoServer to serve all our datalayers. It would be much better if the
user could point some sort of SLD editor at our GeoServer (which is publicly
available and make their map, and just hand me the SLD text file. Then I
could use that SLD in a map client, perhaps MapBuilder.

What you want to achieve.

In mid June I sent an email to the udig-devel asking them about whether some
features were coming around the corner. I think that users need to be able
to symbolize data a certain minimum number of ways or else they will think
the maps are too simple. Key styling concepts:
   - solid and transparent polygon fill
   - outlines for polygons
   - user-supplied graphic to fill polygon, or symbolize point
   - solid/dashed/dotted lines, ability to have thick or thin lines
   - ability to classify data - color the polys with code="A" red and
code="B" blue (rules and filters)
   - labeling, including halo around text.
   - the ability to have min and max scale on each layer - so that layers
turn on and off as the user zooms in
   - the ability to create SLD while having other layers viewable - users
need to see layer together to see how well they draw against each other. An
SLD editor that allowed editing of only one layer at a time would be
limiting.

I have written a lot of SLD by hand and everything I'm looking for can be
done in SLD, but the various SLD editors such as uDig just haven't
implemented all of it yet. uDig in particular doesn't have halo, dashed
lines, classifying data, and ExternalGraphics for a point. udig-devel said
they don't have a timeline in place for this work yet.

What platform you need to develop for.

It doesn't matter to me what form the tool takes, as long as it can perform
the function of creating SLD that I can then use.

What are your timeframes.

No deadlines

Where you live and what timezone (so we can organise a meetings).

I am in eastern US - Massachusetts - (EST)

Unfortunately I'm not a genius coder, so I'm not going to be of help writing
this wonderful SLD editor, but I am willing to test and help document. And
if this "enhanced" SLD editor gets created I will be able to encourage GIS
users here in Massachusetts to work with it.

Aleda Freeman
MassGIS http://www.mass.gov/mgis, http://lyceum.massgis.state.ma.us

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