On Tue, 4 Jun 2024 at 23:43, Jean Garcia via QGIS-Developer <qgis-developer@lists.osgeo.org> wrote: > > Good Morning! > > I had submitted a question about the usage of 3D functions through PYQGIS > (Conversation forwarded below*). > I attempted the usage of the recommended drape function through PYQGIS and > have not had much success. > (Mainly, how would I create the raster layer from a constant slope?) > I assume many of my issues has come from me not knowing much about PYQGIS as > I am relatively new to the environment. > This being the case how would I create a 3D layer in which the z values are > determined by a constant slope? > (How would I even determine the start/end of said slope?)
It's still not clear what you're trying to achieve. This is probably more appropriate for a gis.stackexchange post, along with sketches illustrating what you're after. Nyall > > Any feedback on my current progress is greatly appreciated! > > Many Thanks, > Jean Garcia > > -----Original Message----- > From: QGIS-Developer <qgis-developer-boun...@lists.osgeo.org> On Behalf Of > Jean Garcia via QGIS-Developer > Sent: Wednesday, May 29, 2024 9:49 AM > To: Nyall Dawson <nyall.daw...@gmail.com> > Cc: qgis-developer@lists.osgeo.org > Subject: Re: [QGIS-Developer] 3D Polygons in PYQGIS > > Sorry for the confusion my request might have created. > I am quite new to QGIS and have had to do a lot of online research with not > much success. (mostly vaguely searching through QGIS Documentation) > > The project I am working on is to generate a layer based on given parameters, > one of said parameters being the slope of each layer's Z Values. > (one said layer being stated as a slope of 20 to 1 for a horizontal > distance of 4,000 ft) With said slope I wish to make the 2D layers I have > already generated appear in a 3D view. > > I did some research into the drape tool, and while I do believe it could work > my issue is how would I create the raster layer with the Z values? > Since the Z values would depend entirely on the different parameters, it > would not be set Z values. > (What even is the function to create the raster layer?) > > My current thinking is to calculate the Z values based on the slope and > starting height of each layer. > How do you think I should go around doing so? > > Thanks, > Jean A. Garcia > > -----Original Message----- > From: Nyall Dawson <nyall.daw...@gmail.com> > Sent: Sunday, May 26, 2024 6:22 PM > To: Jean Garcia <jean.gar...@vcomm-eng.com> > Cc: qgis-developer@lists.osgeo.org > Subject: Re: [QGIS-Developer] 3D Polygons in PYQGIS > > On Fri, 24 May 2024 at 06:09, Jean Garcia via QGIS-Developer > <qgis-developer@lists.osgeo.org> wrote: > > > > Good Afternoon, > > > > > > > > I am currently working on a project that generates a 3D image of a layer. > > Is it still not possible to generate a 3D polygon through PYQGIS? > > What exactly are you trying to do? There's many ways this request could be > interpreted. > > (Maybe the "drape" tool from the processing toolbox does what you need?) > > Nyall > > > > > I have all the slope values, etc. I have also already made the polygon > > layers which I want to convert to 3D. > > > > Been looking around and haven't found any solutions that have been able to > > help me so this is my last resort before I give up. > > > > FYI. I am on version 3.28. This being the case if it is allowed in newer > > versions I would still wish to know. > > > > > > > > Many Thanks. > > > > > > > > _______________________________________________ > > QGIS-Developer mailing list > > QGIS-Developer@lists.osgeo.org > > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer > _______________________________________________ > QGIS-Developer mailing list > QGIS-Developer@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer > _______________________________________________ > QGIS-Developer mailing list > QGIS-Developer@lists.osgeo.org > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer _______________________________________________ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer
