[Qgis-user] GRASS GIS Unable to load GDAL library

Hi everyone I installed the GRASS GIS and the QGIS at here [image: image.png] I use all default options and when I tried to use GRASS GIS,I got the following error. GRASS_INFO_ERROR(17904,1): Unable to load GDAL library GRASS_INFO_END(17904,1) Would you please let me know if you

Re: [Qgis-user] Write vector attribute table from pandas dataframe

ically, you need to figure out the right >> code and avoid “for loops“ when using dataframes. >> >> Hope this helps >> >> Nicolas Cadieux >> https://gitlab.com/njacadieux >> >> Le 22 avr. 2022 à 11:50, ming han via Qgis-user < >> qgis-user@li

[Qgis-user] Write vector attribute table from pandas dataframe

Hi everyone Is there an efficient way to copy data in a pandas dataframe to the vector attribute table? I am looping element by element, which is very slow. Thanks Ming ___ Qgis-user mailing list Qgis-user@lists.osgeo.org List info:

[Qgis-user] Union slow

Hi All Is there any way to speed up the union function? The processing time by QGIS is too slow compared with ArcGIS. Thanks Ming ___ Qgis-user mailing list Qgis-user@lists.osgeo.org List info:

Re: [Qgis-user] Read polygon attribute Table

thing > like this. > > Nicolas Cadieux > > > Le 23 sept. 2020 à 11:41, ming han a écrit : > > > >  > > Hi All > > > > Is there a way to read the polygon attribute table at one time with > python. I notice that there are seve

[Qgis-user] Read polygon attribute Table

Hi All Is there a way to read the polygon attribute table at one time with python. I notice that there are several ways to read it feature by feature. Thanks Ming ___ Qgis-user mailing list Qgis-user@lists.osgeo.org List info:

Re: [Qgis-user] Load Grass

Hi everyone Is GRASS76 in the QGIS compiled with python2? Because I got a new error which complains that "NameError:name 'file' is not defined". While the file is used in python2. Thanks Ming ming han 于2020年9月3日周四 下午4:38写道： > Hi all > Hope this email finds you we

[Qgis-user] Load Grass

Hi all Hope this email finds you well I tried to use GRASS inside the QGIS in a MacOS, but I got the following error when I tried to start GRASS. Would you please give me some suggestions? Thanks Ming [image: image.png] ___ Qgis-user mailing

[Qgis-user] Stream to feature problem

Hi all Is qgis has a function like "stream link" in Arcgis which can convert the stream raster to feature. I tried with raster to vector function in grass and qgis. it has following errors. Cheers Ming [image: image.png] ___ Qgis-user mailing

[Qgis-user] Vector to raster problem

Hi everyone How to fix the following problem. For some reason, part of the vector is missing, when transfer vector data to raster data. I know ArcGIS has a 'MAXIMUM_COMBINED_AREA' option, is there anything similar in Qgis or grass or GDAL? Many thanks Ming [image: image.png]

[Qgis-user] algorithm native:dissolve not found

Hi everyone I am using Qgis 3.10. I could run processing.run('gdal:cliprasterbymasklayer',..) but got an algorithm not found error when I try to run processing.run("native:dissolve",...) Is anyone know what happened to this script? Thanks Ming