My mum always said I had an overactive imagination :P -----Original Message----- From: Nyall Dawson [mailto:nyall.daw...@gmail.com] Sent: Thursday, 1 June 2017 9:38 AM To: Martin Bain <martin.b...@lismore.nsw.gov.au> Cc: Neumann, Andreas <a.neum...@carto.net>; qgis-user <qgis-user@lists.osgeo.org> Subject: Re: [Qgis-user] Selecting displaced symbols
On 1 June 2017 at 09:26, Martin Bain <martin.b...@lismore.nsw.gov.au> wrote: > Cool! Maybe I didn't imagine it after all. No - you did ;) That commit isn't merged into master, it's sitting orphaned and alone and rotting away along with a bunch of other abandoned experiments... Nyall > > -----Original Message----- > From: Nyall Dawson [mailto:nyall.daw...@gmail.com] > Sent: Thursday, 1 June 2017 9:21 AM > To: Neumann, Andreas <a.neum...@carto.net> > Cc: Martin Bain <martin.b...@lismore.nsw.gov.au>; qgis-user > <qgis-user@lists.osgeo.org> > Subject: Re: [Qgis-user] Selecting displaced symbols > > On 30 May 2017 at 19:11, Neumann, Andreas <a.neum...@carto.net> wrote: >> Hi Martin, >> >> As far as I know, picking is totally independent of the rendering. So >> the "Info tool" doesn't know about the displacement renderer. I know >> it is not ideal, but it is a technical limitation and there are no known >> workarounds. > > Well - there's this half finished commit I wrote but never merged: > https://github.com/nyalldawson/QGIS/commit/2405c9cc2c9d07bd0975d60ce36 > db5c5e8d8b612 > > I can't remember exactly why I didn't complete this. I think it was written > during feature freeze once and I never got around to verifying that it didn't > cause regressions in the rendering speed after freeze was lifted. From memory > it worked well for info tool and rotate point symbol tool. > > From the commit message: > > "Register rendered point features into a spatial index so that we can later > retrieve features by their actual rendered location. > (The rendered location may be different in numerous circumstances, eg when > using the displacement renderer, or when marker symbols have an offset set) > This index could then be used to later retrieve the features for a specific > canvas coordinate, for use eg in identify tool, rotate point symbols, etc." > > Theoretically this could be cleaned up, finished off and tested, and then > later extended to apply to selections also. > > Nyall > > This email is intended for the named recipient only. The information it > contains may be confidential. If you are not the intended recipient you must > not reproduce or distribute any part of this email, disclose its contents to > any other party or take any action in reliance on it. If you have received > this email in error, please contact the sender immediately and delete the > message. This email is intended for the named recipient only. The information it contains may be confidential. If you are not the intended recipient you must not reproduce or distribute any part of this email, disclose its contents to any other party or take any action in reliance on it. If you have received this email in error, please contact the sender immediately and delete the message. _______________________________________________ Qgis-user mailing list Qgis-user@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-user Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user
