SignWriting List
December 17, 2015

Steve -
I just announced this on my Facebook Page:

and you are getting response!


On Dec 17, 2015, at 2:14 PM, Valerie Sutton <[log in to unmask]> wrote:

SignWriting List
December 17, 2015

Hello Steve and SW List -

Thank you, Steve, for this important posting.

Steve has been working long hours to give software developers a new SignWriting Server.

This will lead to a new version of SignPuddle Online called SignPuddle 3 as well...

So 2016 will be a great new year -

I look forward to working with you all soon again ;-)

Val ;-)


On Dec 17, 2015, at 1:15 PM, Stephen E Slevinski Jr <[log in to unmask]> wrote:

Hi SignWriting List,

I'm happy to announce version 1.2 of the SignWriting Server.  I've added a few improvements based on developer feedback.

The SignWriting Server has 2 main purposes.  Primarily, it is the new backend for the SignPuddle 3 development.  Secondarily, it will allow other developers to easily interact with the SignPuddle data directly within their applications.

The SignWriting Server returns SVG and JSON data.  Unless you're a developer or power-user, you will not want to use the SignWriting Server directly.  Early next year, I will start releasing snap-shots of the SignPuddle 3 front-end development.  SignPuddle 3 will be for the normal SignPuddle users.

Main site:

Mirror site:

# Version 1.2 improvements
All of the SignWriting Server capabilities are documented in the guide and through the examples.  Below is a list of the v1.2 improvements.

## Puddle Listings
It is now possible to get a list of the available puddles: either a list of all puddles or a list of the puddles available for a specific language.


## Puddle database downloads
Each puddle exists as an SQLite 3 database.  These databases are available for download from the SignWriting Server.


## Limits per request
When querying or searching a puddle, the default limit is 100 entries per request.  This limit can now be set to any number, or the limit can be set to zero to disable the limit and return all of the results without limit.


## Sorting the results
Previously, the return results were sorted by each sign's SignSpelling Sequence.  Now it is possible to specify the sort order of the returned results.  By default, the sorting is ascending.  For descending results, prefix the sort column by the minus (-)


## Date based retrieval
It is now possible to retrieve entries based on the date created or updated.  You can specify a before date and/or an after date.  The date is formatted as year/month/day hour:minute:second, such as "2015/01/01 23:01:12".  The time is assumed to be UTC.  Please note it is possible to specify as much of the date as required: anywhere from the year by itself down to an exact date and time.  Sorting defaults to ascending, either "created_at" for created and "updated_at" for updated.


## Default dictionaries for ISO 639-3 codes
Rather than using the puddle codes such as "sgn4", it is now possible to use an ISO 639-3 code to specify the sign language dictionary requested.  The ISO code will return results from the selected public dictionary for the particular sign language.


For each sign language, the public dictionary was set based on what was available.  To get information on the public dictionary, you can request the puddle information for any ISO 639-3 code.


# Development continues
The SignWriting Server is a work in progress.  Please contact me with any feedback, ideas, or requests.

Next I will be working on the user authentication system for the SignWriting Server.  This will make it possible for users to log into the SignWriting Server so they can add new information and update existing information.




Valerie Sutton SignWriting List moderator [log in to unmask]

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