[OpenLayers-Dev] Vector Integration

Pierre GIRAUD bluecarto at gmail.com
Mon Mar 5 08:55:15 EST 2007


The IRC channel stands at irc://freenode/openlayers

Regards

On 3/5/07, John Cole <john.cole at uai.com> wrote:
> What is the IRC info for this?  I'd like to monitor it.
>
> Thanks,
>
> John
>
> -----Original Message-----
> From: dev-bounces at openlayers.org [mailto:dev-bounces at openlayers.org] On
> Behalf Of Pierre GIRAUD
> Sent: Monday, March 05, 2007 6:47 AM
> To: bchapuis
> Cc: Eric Lemoine; claude.philipona at camptocamp.com; openlayers
> Subject: Re: [OpenLayers-Dev] Vector Integration
>
> Hello all,
>
> There is a misanderstanding with Bertil on my holidays.
> I'm happy to tell that I'm back to the office this week.
>
> And I have 8 hours scheduled this week to help for the vector
> integration (answering questions, helping anderstanding the code, etc
> ...).
>
> Don't hesitate to ask. I'll be available on the IRC channel, and also
> on google talk (pierre dot giraud at gmail dot com, bluecarto at gmail
> dot com)
>
> Regards
>
> Pierre
>
> On 3/2/07, bchapuis <bertil.chapuis at camptocamp.com> wrote:
> > Hello,
> >
> > Thanks for your mail. For information Pierre comes back from holidays in
> > two weeks, but i will be available to answer your questions.
> >
> > I have commit the doc files on the svn. For the unused classes, i think
> > that most of them are already removed.
> >
> > regard,
> >
> > Bertil
> >
> >
> >
> >
> > On Thu, 2007-03-01 at 19:14 -0600, Erik Uzureau wrote:
> > > Pierre et Autres,
> > >
> > > Thank you so much for the detailed email! Apologies that none of us
> > > has gotten back to you sooner but as usual, things have been very
> > > crazy over here and we havent had a spare moment to think about
> > > openlayers or the vector stuff.
> > >
> > > Luckily, all that will change come monday, when we converge on Boston
> > > to tackle the code full on. Your notes here will of course be
> > > invaluable.
> > >
> > > A question on a couple of the items that you mentioned should be done
> > > before the week gets started:
> > >
> > >  - commit the incomplete but started to be written documentation,
> > >  - remove the unused classes,
> > >
> > > have these happened? can they?
> > >
> > > I believe that the general plan that we are are all taking is to spend
> > > a few hours tomorrow or over the weekend to look through the code and
> > > get a general sense of what it does and how it works.
> > >
> > > On monday morning we will have a meeting to discuss the state of
> > > affairs, organize the week and divide up tasks.
> > >
> > > Is there a good way that we could get into contact with you guys via
> > > IM ? If any of you will be available starting at about 9am (gmt -5)
> > > That is when we will be having our initial discussion.
> > >
> > > Thanks again to everyone for their helping getting things ready for
> > > this week. It's going to be a bit of a mad rush, but we're all really
> > > excited to get this code in the trunk!
> > >
> > > Best,
> > > Erik
> > >
> > >
> > >
> > >
> > > On 2/19/07, Pierre GIRAUD <bluecarto at gmail.com> wrote:
> > > > As the Camptocamp team still wants to be involved in the OpenLayers
> > > > development, in particular in the vector branch, here is a try to
> > > > summarize the work done during the last passed weeks or months. And
> > > > also how we can or at least would like to contribute.
> > > >
> > > > As already mentionned by Cameron, the UML diagram is worth being
> > > > updated with the effective implementation. The main ideas were
> > > > preserved though.
> > > >
> > > > Following are listed the main points, that were, to my mind, added to
> > > > the main branch in a more or less chronological order :
> > > >
> > > >  - Feature : it's the class used to store the business objects, that
> > > > means attributive data and geometry
> > > >
> > > >  - Geometry : all the geometries (primitive or composite) inherit from
> > > > this class. The renderer knows how to render those. I think I remember
> > > > that we followed the SFS on that point. As an example of composite
> > > > geometries, a Multipolygon (Aggregate) is composed by (components)
> > > > Polygon(s) that are composed by LinearRing(s). Some uneeded classes
> > > > (Surface) may be removed.
> > > >
> > > >  - Layer.Vector : it's a generic vector layer. This type of layer as a
> > > > renderer for property as it is built and some methods to add, or
> > > > remove features.
> > > >
> > > >  - Renderer : depending on the browser a VML or SVG renderer is in
> > > > charge to draw the geometries.
> > > >
> > > >  - Parser.GML : allows to build geometries and features by reading gml
> > > > files. Is called by the WFS layer to read the server response.
> > > >
> > > >  - Editing Tools : this was probably the trickiest part, and it
> > > > probably the most incomplete. First Bertil started with the Controls
> > > > to handle the editing tools but we thought that it might be better to
> > > > separate the controls and the mouse events handlers on the map. The
> > > > MouseListener class was created in that goal. All the editingListeners
> > > > classes inherits from it.
> > > > One more important thing to look at in particular are the different
> > > > snapping modes. Some are used for simple editing action to help user,
> > > > or sometimes required by tools (addPathPoint and segmentSnapping).
> > > >
> > > >  - Layer.WFS : this last point was the icing on the cake and probably
> > > > most impressive usage of the vector functionnalities. I also think
> > > > that this would have to be detailed in a separate topic. A not so
> > > > simple tile and feature management is used, and a important code
> > > > review is probably needed.
> > > >
> > > > What should be done (by the camptocamp guys) before the code is
> reviewed :
> > > >
> > > >  - redraw the events handling design schema,
> > > >  - commit the incomplete but started to be written documentation,
> > > >  - remove the unused classes,
> > > >  - help other developper understand the code and answer most of the
> > > > questions they want ask.
> > > >
> > > > So don't hesitate to inquire us.
> > > >
> > > > To be noticed : I started to write unit tests at the very begining of
> > > > our work, but they are obviously incomplete.
> > > >
> > > > As a conclusion, I would say that we would be proud to continue
> > > > contributing actively on this code as much as we can and we would be
> > > > interested to cooperate.
> > > >
> > > > Regards
> > > >
> > > > Pierre
> > > >
> > > > On 2/14/07, Cameron Shorter <cameron.shorter at gmail.com> wrote:
> > > > > Erik Uzureau wrote:
> > > > > > Thanks a bunch for this summary, Cameron. This is a great start
> > > > > > towards the integration.
> > > > > >
> > > > > > For the moment at least, the breakdown of stage 1 / stage 2 seems
> > > > > > reasonable, and I think most of what we are immediately concerned
> with
> > > > > > (for the 5 day coding spree) is stage 1.
> > > > > >
> > > > > > I think we should tackle the following in this order:
> > > > > >
> > > > > >> * I'm not sure what the state of our UML design at the moment,
> but I
> > > > > >> suspect it should be updated.
> > > > > >
> > > > > > I did not know there was a UML diagram for this code. That would
> be a
> > > > > > huge help to see if you have it and it is accurate. Keeping in
> mind
> > > > > > that I know next to nothing about what has been done or how it
> works,
> > > > > > this is a great starting point for me at least to get the big
> picture
> > > > > > of how the code works. Could someone find that doc for us?
> > > > >
> > > > > This document is a bit out of date, but the general concepts have
> not
> > > > > changed much.
> > > > >
> http://wiki.osgeo.org/index.php/AJAX_WebMapping_Vector_Rendering_Design
> > > > >
> > > > > In particular, the source UML diagram is referenced from:
> > > > >
> http://wiki.osgeo.org/index.php/AJAX_WebMapping_Vector_Rendering_Design#Sour
> ce_UML
> > > > >
> > > > > Pierre and Bertil had their own UML diagram. I'm not sure how up to
> date
> > > > > it is now, or where it is.
> > > > >
> > > > > >
> > > > > >> * It could do with a solid code review and a few changes in
> certain
> > > > > >> places. (I remember noticing a few things like functions being in
> the
> > > > > >> wrong package), but generally is was pretty good.
> > > > > >> * JSDocs were patchy in areas
> > > > > > Once the main design has been reviewed and approved, the next
> logical
> > > > > > step is to go over the code carefully, making sure it flows well
> with
> > > > > > the rest of the OL codebase. As we do this we can go along
> updating
> > > > > > the JSDOC tags.
> > > > > >
> > > > > >> * There was no wiki documentation
> > > > > > This shouldnt be too terribly difficult. The important thing to do
> > > > > > here is to write out a few basic tutorial style docs and make some
> > > > > > example html files that demonstrate the functionality. The idea
> that
> > > > > > we've been shooting for in OL is to make most of the API-ish
> > > > > > documentation automatically generated from the JSDOC tags.
> Assuming we
> > > > > > get those in place and uptodate, we shouldnt have to worry *too*
> much
> > > > > > about this.
> > > > >
> > > > > What is the current situation with regards to converting jsdoc tags
> to
> > > > > documentation?
> > > > > Do we have a tool that will convert these yet?
> > > > > Or is someone working to get such a tool to work for OpenLayers?
> > > > >
> > > > > >
> > > > > >> * There were no unit tests
> > > > > > This is a _must_do_ if we want to insure the integrity of the code
> for
> > > > > > future OL releases and development.
> > > > > Agreed.
> > > > > > My hope is that we will have time
> > > > > > to get some of the basic framework for the testing set up and
> > > > > > underway. Test writing is something that can easily be done in
> > > > > > parallel and without too much coordination effort, so we should
> > > > > > concentrate on getting the framework in place and then dividing up
> the
> > > > > > task for people to work on individually.
> > > > > >
> > > > > > I'll reiterate here that we are open to help with this from anyone
> out
> > > > > > there in the community who knows this code or who is interested in
> > > > > > getting to know it a little better. At this point, the major
> design
> > > > > > decisions have been made and implemented, so the idea is not so
> much
> > > > > > setting up a forum for ideas but rather more of a collective push
> to
> > > > > > put the final touches and polishing on this code and get it fully
> > > > > > integrated into the main branch.
> > > > > >
> > > > > > Thanks again to anyone interested,
> > > > > > Erik
> > > > > >
> > > > > >> Erik Uzureau wrote:
> > > > > >> > Dear Vector OLers,
> > > > > >> >
> > > > > >> > Hello there, my name is Erik and I'm one of the developers of
> > > > > >> > OpenLayers. My colleague chris schmidt passed me your three
> names as
> > > > > >> > the main people in charge of the Vector branch.
> > > > > >> >
> > > > > >> > I sent out an email a few weeks ago stating our intentions to
> try to
> > > > > >> > merge the Vector branch into the trunk (as a build option, of
> course)
> > > > > >> > and didn't get any feedback at the time. I thought maybe I
> would be
> > > > > >> > better off addressing the three of you personally.
> > > > > >> >
> > > > > >> > The reason I'm writing is that I am travelling to Boston for
> the first
> > > > > >> > week of March with specific instructions to pow-wow with chris
> and
> > > > > >> > schuyler (two other original OL developers) and do the
> integration.
> > > > > >> >
> > > > > >> > Lamentably, due to time constraints, I have not been able to
> follow
> > > > > >> > along the vector branch development as you guys have been
> working on
> > > > > >> > it, so I'm very out of the loop.
> > > > > >> >
> > > > > >> > Chris has been somewhat monitoring the list, but I know that it
> would
> > > > > >> > be enormously helpful for all of us if maybe one of the three
> of you
> > > > > >> > could send us a quick summary email of the status of the
> branch.
> > > > > >> >
> > > > > >> > How far along is the development? What remains to be done? Are
> there
> > > > > >> > any design decisions that remain to be taken? Unresolvable
> bugs?
> > > > > >> >
> > > > > >> > Part of the integration, of course, will be going through the
> code to
> > > > > >> > match coding standards, as well as producing at least some
> basic
> > > > > >> > documentation on how to use the new tools. Any help in this
> department
> > > > > >> > would of course be well received.
> > > > > >> >
> > > > > >> > I hope this email finds you well. We are excited to finally
> have the
> > > > > >> > resources (time) to dedicate to bringing this body of your work
> into
> > > > > >> > the main trunk and making it easier for more people to use it.
> Thanks
> > > > > >> > for all your hard work on this and hope to hear from you.
> > > > > >> >
> > > > > >> > Cheers,
> > > > > >> > Erik
> > > > > >> >
> > > > > >>
> > > > > >>
> > > > > >> --
> > > > > >> Cameron Shorter
> > > > > >> Systems Architect, http://lisasoft.com.au
> > > > > >> Tel: +61 (0)2 8570 5011
> > > > > >> Mob: +61 (0)419 142 254
> > > > > >>
> > > > > >>
> > > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Cameron Shorter
> > > > > Systems Architect, http://lisasoft.com.au
> > > > > Tel: +61 (0)2 8570 5011
> > > > > Mob: +61 (0)419 142 254
> > > > >
> > > > >
> > > >
> >
> >
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