GIS and Remote Sensing Tools, Tips and more ..

Draft to compute zonal statistics on area of interest polygon or shape draw on leaflet using PostgreSql and Java - Geometry extracted from leaflet as GeoJson. Polygon- {"type":"Feature","properties":{"desc":null,"image":null},"geometry":{"type":"Polygon","coordinates":[[[-117.103271484375,34.264026473152875],[-117.1142578125,34.14818102254435],[-117.03186035156251,34.10498222546687],[-116.91925048828124,34.14363482031264],[-116.94946289062499,34.25494631082515],[-117.0867919921875,34.252676117101515],[-117.103271484375,34.264026473152875]]]}} {"type":"Feature","properties":{"desc":null,"image":null},"geometry":{"type":"Polygon","coordinates":[[[-116.86981201171875,34.11407854333859],[-116.86981201171875,34.24132422972854],[-116.71874999999999,34.24132422972854],[-116.71874999999999,34.11407854333859],...

Used vagrant for setting up the VM, so set private network and port forward in vagrant file as below -                                  migration.vm.network "private_network", ip: "192.168.33.10"                  migration.vm.network "forwarded_port" ,guest:5432 , host:15432  1. Use telnet localhost 15432 to see if the port is open (Host) Still can not connect to PostgresSql running in VM  :( Then 2. Edit postgresql.conf (Guest) #------------------------------------------------------------------------------ # CONNECTIONS AND AUTHENTICATION #------------------------------------------------------------------------------ # - Connection Settings -            listen_addresses = '*' 3.  Add following in pg_hba.conf # IPv4 local connections: host    all         ...