> parametricLine classes : http://www.qgis.it/api/classBezier3D.html
This class is used only for interpolation with curved triangles. It is not related to the code that draws line/polygon features. Regards, Marco Am Montag, 18. Juli 2011, 10.18:22 schrieb reyman: > Hi, > After research, it seems QGIS can draw parametric line with Bezier3D and > parametricLine classes : http://www.qgis.it/api/classBezier3D.html > In your plugin CADTOOL do you use these objects ? > Other question for developer, do you think this bezier3d curve need a > transformation into linearstring for correct rendering ? > > Best regards, > SR. > > On Sun, Jul 17, 2011 at 4:26 PM, Ziegler Stefan <[email protected]>wrote: > > ** > > Hi > > > > I think that curved line support is not that important to most of the > > users. I really would like to see this feature in QGIS. But this is > > something that needs some funding and as far as I know some changes deep > > in the core. Something for QGIS 2.x I guess. > > > > regards > > Stefan > > > > -----Ursprüngliche Nachricht----- > > *Von:* reyman [mailto:[email protected]] > > *Gesendet am:* Sonntag, 17. Juli 2011 01:30 > > *An:* [email protected] > > *Betreff:* [Qgis-developer] Re: Curved line in QGIS, how i can anticipate > > CIRCULARSTRING SQL-MM3 specification in QGIS? > > > > Hello community, > > No answer or idea to help me on this problem ? > > Best regards, > > SR > > > > On Wed, Jul 13, 2011 at 5:00 PM, reyman <[email protected]> wrote: > >> Hello devs, > >> > >> I'm working on a project to draw simple arc/curves lines to represent (a > >> lot of ) flow between two points. > >> I think it's a good idea to use the new geometry type "CIRCULARSTRING" > >> implemented in Postgis to store/edit the arc/curve, one problem ... > >> QGIS can't actually draw curved lines... > >> > >> Actually here my few and poor idea to resolve this problem : > >> > I use Stefan Ziegler QGIS plugin CADTOOLS to compute and draw any WKT > >> > >> using the CIRCULARSTRING geometry type, with few point to limit the > >> complexity of polylines generated > >> > >> > I'm waiting for the next QGIS dev version, because it seems developper > >> > >> want to implement this function ( cf QGIS Developer Meeting in Zurich > >> 2011 > >> <http://www.qgis.org/wiki/6._QGIS_Developer_Meeting_in_Zurich_2011>or > >> http://www.qgis.org/wiki/KCube-developer ) > >> > >> > I'm trying to develop (in python or it's only possible in C++ ?) a new > >> > >> drawing extension which implement one function to draw pure bezier or > >> simple arc with CIRCULARSTRING geometry in input ? > >> > >> So QGIS dev, what's your opinion about that, or your next plan if you > >> have a roadmap to implement these functionnality ? > >> If you want to develop this functionnality in this summer, i'm ok to > >> help and debug the code with you ... > >> > >> Ps: i have post a question in gis stackexchange, but no answer actually > >> ... > >> > >> http://gis.stackexchange.com/questions/12007/how-i-can-draw-or-edit-curv > >> ed-lines-in-free-gis > >> > >> *Thanks a lot GIS community* > >> SR. > >> > >> -- > >> > >> <http://stackoverflow.com/users/385881/reyman64> > > > > -- > > > > <http://stackoverflow.com/users/385881/reyman64> -- Dr. Marco Hugentobler Sourcepole - Linux & Open Source Solutions Churerstrasse 22, CH-8808 Pfäffikon SZ, Switzerland [email protected] http://www.sourcepole.ch Technical Advisor QGIS Project Steering Committee _______________________________________________ Qgis-developer mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-developer
