Pioneering Hydrologic Computational Science https://hydrowiki.isnew.info/ 2026-10-28T08:50:58+00:00 https://hydrowiki.isnew.info/ https://hydrowiki.isnew.info/_media/wiki/logo.svg text/html 2026-10-23T01:38:08+00:00 hcho (hcho@undisclosed.example.com) https://hydrowiki.isnew.info/howtos/how_to_calculate_an_area-weighted_average_in_grass?rev=1792719488&do=diff How to calculate an area-weighted average in GRASS # set the computational region to the value raster g.region rast=rast_val -ap # convert the value raster to area vector r.to.vect rast_val out=vect_val type=area # calculate the areas of the area vector polygons v.to.db vect_val op=area col=area_m2 # overlay the value vector OR the area vector v.overlay ainput=vect_val binput=vect_area oper=or output=vect_val_area # add a new column for the area-weighted average v.db.addcolumn vect_area co… text/html 2026-10-18T02:31:13+00:00 hcho (hcho@undisclosed.example.com) https://hydrowiki.isnew.info/howtos/how_to_install_chatgpt?rev=1792290673&do=diff How to install ChatGPT rm -rf ~/opt/chatgpt mkdir ~/opt/chatgpt cd ~/opt/chatgpt deb=chatgpt_amd64.deb wget https://persistent.oaistatic.com/codex-app-prod/linux/deb/latest/$deb -O $deb ar -p $deb data.tar.xz | tar Jxv \ --strip-components=2 \ --exclude=./etc --exclude=./usr/share/doc rm -f $deb unset deb ln -sf ~/opt/chatgpt/bin/chatgpt ~/local/bin text/html 2026-10-18T00:43:04+00:00 hcho (hcho@undisclosed.example.com) https://hydrowiki.isnew.info/howtos/how_to_install_micromamba?rev=1792284184&do=diff How to install micromamba On UN*X # install micromamba curl -fsSL https://micro.mamba.pm/install.sh | env \ BIN_FOLDER="$HOME/local/bin" \ PREFIX_LOCATION="$HOME/opt/micromamba" \ sh # create an alias echo "alias mm=micromamba" >> ~/.bashrc # source micromamba . ~/.bashrc text/html 2026-10-18T00:39:37+00:00 hcho (hcho@undisclosed.example.com) https://hydrowiki.isnew.info/howtos/how_to_install_codex?rev=1792283977&do=diff How to install Codex curl -fsSL https://chatgpt.com/codex/install.sh | sh text/html 2026-10-17T22:35:56+00:00 hcho (hcho@undisclosed.example.com) https://hydrowiki.isnew.info/howtos/how_to_format_code?rev=1792276556&do=diff How to format code We use the following code formatters to maintain consistent coding styles across different programming languages. 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