The height data server for GDEM

1. install Golang Environment
2. install requirement via go get ...
3. run program go run main.go

# apt-get install golang
# echo 'export GOPATH=$HOME/go' >> ~/.bashrc    #if you use bash
# source ~/.bashrc
# go get github.com/gorilla/mux
# cd /path/to/project
# editor main.go   #modify prefix, port and etc as you like
# go run main.go

You can downlaod the GDEM v2 Map Data(global data) which is converted to png format:

http://pan.baidu.com/s/1pJBT1qz

Or you can just downlaod the data you need.

Request http://url/x/y/zoom return Float32 Raw array