arcGIS raster 1

create a new file Geodatabase

right click on geoDB -> new -> mosaic dataset

right click on mosaic DB -> add raster

raster data is added to the mosaic dataset

right click on mosaic dataset -> modify properties

right click on image layer -> status -> observe size

select part of the mosaics with select feature tool

right click on footprint layer -> selection -> reselect only primary

right click on footprint layer -> selection -> add selected raster to map

individual tiles can be viewed

reference:

https://desktop.arcgis.com/en/arcmap/latest/manage-data/raster-and-images/ex-1-creating-a-mosaic-dataset.htm

Alistair Overeem

arcGIS netCDF

fill netCDF raster layer tool

right click on minimum temperature layer -> properties

netCDF tab -> select year 1940

fill netCDF table view

right click on table -> open

catalog tab -> right click default.gbd -> toolbox -> rename to NetCDF

right click on NetCDF toolbox -> new -> model

model -> properties

fill NetCDF raster layer table in model -> select year 1935

add another NetCDF -> select year 1940

fill in minus tool table in modal

temperature difference between 1935 and 1940

reference:

https://desktop.arcgis.com/en/arcmap/latest/manage-data/netcdf/exercise-3-finding-temperature-difference-between-two-time-steps.htm

VM VirtualBox convert fixed disk to dynamic

C:\Program Files\Oracle\VirtualBox>VBoxManage.exe clonemedium disk "C:\Users\zchen\VirtualBox VMs\EnviMachine\EnviMachine.vdi" "C:\Users\zchen\VirtualBox VMs\EnviMachine\Envi-ARCGIS-Machine.vdi" --variant Standard

0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%

Clone medium created in format 'VDI'. UUID: 802a3626-cb39-4b76-a3dc-d320dab59353

reference:

https://www.howtogeek.com/312456/how-to-convert-between-fixed-and-dynamic-disks-in-virtualbox/

Fedor Emelianenko

arcGIS model builder 2

right click on buffer -> make variable -> from parameter -> distance

right click on clip -> make variable -> from parameter -> xy tolerance

right click on variable -> model parameter

right click on parameter -> rename

catalog -> open created model

model -> parameter -> reorder 

select feature type

right click output clipped -> properties -> layer symbology

run the model

catalog -> right click on model -> item description -> edit

add a summary to model

right click on affected vegetation table to open

reference:

https://desktop.arcgis.com/en/arcmap/latest/analyze/creating-tools/creating-tool-with-modelbuilder-tutorial.htm

Stomach Flu treatment