Hi! Maybe I'll find some time to convert qchainage into a processing provider plugin - but unfortunately not in the next 2 month.
regards Werner On Tue, Mar 28, 2023 at 11:08 AM LI, Xin Stephen [MIT] via QGIS-User < [email protected]> wrote: > Dear Germán, > > > > Thanks for your detailed reply. It is helpful. > > > > The Processing was used well in the python file following your > instruction, especially by setting the sys path as > > sys.path.append('C:/OSGeo4W/apps/qgis/python/plugins') > > > > It is to try to use user-defined algorithms for the processing to realise > the function similar to QChainage, i.e., divide a path into a series of > nodes within it. > > > > Best regards, > > Stephen > > > > > > > > *From:* Germán Carrillo <[email protected]> > *Sent:* 2023年3月17日 9:45 PM > *To:* LI, Xin Stephen [MIT] <[email protected]> > *Cc:* [email protected] > *Subject:* Re: [Qgis-user] How to use QGIS plus-ins (QNEAT3, QChainage) > in the Python custom applications? > > > > CAUTION: External email. Do not click links or open attachments unless > you recognise the sender and know the content is safe. > 警告：外來電郵。 如不認識寄件者，或不確定內容是否安全，切勿按下任何連結或開啟任何附件。 > > Hi Stephen, > > > > > > if I understand your intention well, yes, I think it's possible, since > I've used QGIS plugins in a custom PyQGIS application back in the days > (namely, 2009!). > > > > I created a post to show off the results and to indicate the procedure > (it's in Spanish). You can find it at [1]. > > > > Perhaps you intend to use those plugins in a non-GUI application, which > should also be possible. > > > > Accessing the underlying plugin's API, if provided, would require an > analysis per plugin, which is feasible. > > > > For instance, QNEAT3 is a "Processing provider" plugin, which is handy for > multiple reasons. For instance, you can use it via custom PyQGIS standalone > scripts (see "Using QGIS Processing algorithms from PyQGIS standalone > scripts (outside of GUI)" at [2]) or the "qgis_process" utility [3]. > > > > On the contrary, QChainage doesn't seem to be a "Processing provider" > plugin, so further exploration would be required. > > > > I hope that helps you get started. > > > > > > Regards, > > > > Germán > > --------------------- > > [1] > https://geotux.tuxfamily.org/2009/08/31/cargando-plugins-de-qgis-en-el-visor-de-pyqgis/ > <https://protect2.fireeye.com/v1/url?k=31323334-501cfaeb-3130cb80-454455535732-267de21dafc248d6&q=1&e=7d337f9d-5681-4729-9548-b59bcd0a7842&u=https%3A%2F%2Fgeotux.tuxfamily.org%2F2009%2F08%2F31%2Fcargando-plugins-de-qgis-en-el-visor-de-pyqgis%2F> > > [2] > https://gis.stackexchange.com/questions/279874/using-qgis-processing-algorithms-from-pyqgis-standalone-scripts-outside-of-gui > > [3] > https://docs.qgis.org/3.28/en/docs/user_manual/processing/standalone.html?highlight=qgis_process#using-processing-from-the-command-line > > > > El vie, 17 mar 2023 a las 4:28, LI, Xin Stephen [MIT] via QGIS-User (< > [email protected]>) escribió: > > Hello all QGIS users, > > > > Is there some approaches to import the QGIS plus-ins (QNEAT3, QChainage) > as a library or package in the Python custom applications where PyQGIS > imported? > > > > The functions of QNEAT3 to find shortest paths are expended to be used. > Then, the shortest paths are expected to be marked/divided by points with > the same distances. > > > > Do you have some experience about this or any other approaches/packages > could achieve similar functions? > > > > Stephen > > > > _______________________________________________ > QGIS-User mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user > > > > -- > > ----------- > > |\__ > (:>__)( > |/ > Soluciones Geoinformáticas Libres > http://geotux.tuxfamily.org/ > <https://protect2.fireeye.com/v1/url?k=31323334-501cfaeb-3130cb80-454455535732-b82cd17fb2ead88b&q=1&e=7d337f9d-5681-4729-9548-b59bcd0a7842&u=http%3A%2F%2Fgeotux.tuxfamily.org%2F> > https://twitter.com/GeoTux2 <http://twitter.com/GeoTux2> > > > > [image: Image removed by sender.] > <http://gis.stackexchange.com/users/4972/germ%c3%a1n-carrillo> > _______________________________________________ > QGIS-User mailing list > [email protected] > List info: https://lists.osgeo.org/mailman/listinfo/qgis-user > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user >
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