Yes. I was about to suggest that. On the layer properties, in the transparency tab, check what you have in the no data option.
Also, make sure that in the clip tool, the advanced options, for the no data value, you don't use a value that is a valid value on the image. Alexandre Neto www.qcooperative.net A Dom, 4/08/2019, 10:05, Luigi Pirelli <lui...@gmail.com> escreveu: > Check no data value? > > On Saturday, 3 August 2019, Carolina Rey <carr...@hotmail.com> wrote: > >> Dear all, >> >> I have tried to work with masks with: *Raster > Extraction > Clip raster >> by mask layer* but QGIS deteriorate >> <https://de.pons.com/%C3%BCbersetzung/englisch-deutsch/deteriorate>s the >> quality of the clipped raster to a high extend. Is it possible that the >> algorithm has mistakes? Or is there something to change before applying >> this function? >> >> Thank you very much >> Carolina >> >> >> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> >> Libre >> de virus. www.avg.com >> <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> >> <#m_-6134504061243602720_m_-4920135347430193923_m_-4805349840324663639_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> >> > > > -- > > Luigi Pirelli > > > ************************************************************************************************** > * LinkedIn: https://www.linkedin.com/in/luigipirelli > * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli > * GitHub: https://github.com/luipir > * Book: Mastering QGIS3 - 3rd Edition > <https://www.packtpub.com/eu/application-development/mastering-geospatial-development-qgis-3x-third-edition> > * Hire a team: http://www.qcooperative.net > > ************************************************************************************************** > > _______________________________________________ > 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
_______________________________________________ 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