Hi Michael. your right: cadplan could be an alternative. Unfortunately I need to return my GIS datas to a CAD project and save the simbology as objects. This is not possible to do with Geoff's plugin. That means that the answer to your question is "yes". The problem to store the informations as geometries is connected to the quantity of data that I or other users could manage. The sample I wrote might give an idea. I have a large point layer with almost 500 point, devided for classes (wells, springs, etc) with their own attributes. I want to use this info into a CAD project (save to DXF), substituting each point with a real simbol. Note that some symbols have also a rotation attribute (ex. directions of flows) but this is another question.
**************************************** Where is the origin of this problem? In Italy (an I suspect in many country) unfortunatelly DWG is a standard for any private or public projects of cartography. GIS helped me to solve the majority of analysis and cartographic problems but the restitution to CAD remains a gap, I want to solve into a basic open (GPL) framework. ************************************ Note that there is a simple way to export almost whatever to CAD: print to PS, convert PS to DXF with Pstoedit and reopen into OJ. But I like to think a more elegant and user-frindly way to work. Meanwhile I am going to explore Martin's idea to use JEQL which seems to me quite interesting regards Peppe PS: AFAIR there was a project to have a JEQL shell for OJ. --- Mer 10/2/10, Michaël Michaud <michael.mich...@free.fr> ha scritto: > Da: Michaël Michaud <michael.mich...@free.fr> > Oggetto: Re: [JPP-Devel] Find/Substitute geometries > A: "OpenJump develop and use" <jump-pilot-devel@lists.sourceforge.net> > Data: Mercoledì 10 febbraio 2010, 22:34 > Hi Giuseppe, > > Hi all, > > this would sound strange, but it would be useful if > people have to add "blocks" (geometries) on a workbench. > > To explain what I mean I give a sample: > > > > a) I have a layer of points with their own attributes. > These points represents, for instance, wells and the > attributes are the owners, the quantity of water user per > year, the year of opening etc.. > > b) I have a layer with a single wkt polygon geometry. > This geometry is, for instance, a simple circle which > represent a well in cartography (but it could be even more > complicated multigeometry). This layer represent my "block" > > c) I want to create a new layer where the points are > substituded by circles, in this case, with the same original > attributes (owners, year etc) of the layer a). > > > Have you tried the Cadplan VertexSymbols plugin. You can > define a symbol > as any wkt shape. Great idea in my opinion. Of course, this > is not the > same approach. > And there are currently several limitations : as far as I > can see, there > is no way to scale the symbol when the view is scaled, and > this is not > possible to display different symbols for different > attribute values. > But if this way is not as flexible as what you're > suggesting, this is a > much more light solution. > > I'd like to ask : is the geometry you want to display the > actual > geometry of your feature > yes ==> why don't you store it as your feature geometry > (point, > linestring, polygon or even complex multipolygon) so that > it scales with > your map scale > no ==> why don't you display it as a symbol (OpenJUMP or > Cadplan vertex > symbol) ? > > Sorry if my questions seem naive : I've more a gis / > database culture > than a cad one. > > Michaël > > > I am conscious that this is more a CAD question than a > GIS one, but it would be sometimes useful in a CAD-GIS > exchange projects. > > > > Right now I use the "copy"/"past to the point" > tools with some good resaults exporting a GIS project into > an autocad map one, but this procedure requires a long job. > > > I wonder if this could be automatized. > > > > Regards > > > > Peppe > > > > > > NB - since I am around another useful cad > project (Dante's plugins) I wonder if this request (if > realize) could be integrated into a more large project, a > new CAD toolbar for OJ, where to add all new editing/cad > requests. > > > > > > > > > > > ------------------------------------------------------------------------------ > > SOLARIS 10 is the OS for Data Centers - provides > features such as DTrace, > > Predictive Self Healing and Award Winning ZFS. Get > Solaris 10 NOW > > http://p.sf.net/sfu/solaris-dev2dev > > _______________________________________________ > > Jump-pilot-devel mailing list > > Jump-pilot-devel@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > > > > > > > > > ------------------------------------------------------------------------------ > SOLARIS 10 is the OS for Data Centers - provides features > such as DTrace, > Predictive Self Healing and Award Winning ZFS. Get Solaris > 10 NOW > http://p.sf.net/sfu/solaris-dev2dev > _______________________________________________ > Jump-pilot-devel mailing list > Jump-pilot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel > ------------------------------------------------------------------------------ SOLARIS 10 is the OS for Data Centers - provides features such as DTrace, Predictive Self Healing and Award Winning ZFS. Get Solaris 10 NOW http://p.sf.net/sfu/solaris-dev2dev _______________________________________________ Jump-pilot-devel mailing list Jump-pilot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/jump-pilot-devel
