1.安装环境
系统：Ubuntu 18.04.03
依赖软件：
gcc >= 4.8+ (with C++11 support)
fftw >= 3.2.2 (with single precision support)
Python >= 3.5 (3.6 preferred)
scons >= 2.0.1
curl - for automatic DEM downloads
GDAL and its Python bindings >= 2.2
2.ISCE安装
A.从github上下载ISCE源代码
https://github.com/isce-framework/isce2
在isce安装包下新建文本文件，命名为SConfigISCE
PRJ_SCONS_BUILD=/home/un/isce2/build
PRJ_SCONS_INSTALL=/home/un/isce2/install/isce
LIBPATH=/usr/lib/x86_64-linux-gnu /usr/lib /usr/lib/x86_64-linux-gnu/hdf5/serial
CPPPATH=/usr/include/x86_64-linux-gnu /usr/include /usr/include/python3.6m /usr/include/hdf5/serial /usr/include/gdal
FORTRANPATH=/usr/include /usr/lib/gcc/x86_64-linux-gnu/7/finclude
FORTRAN=/usr/bin/gfortran
CC=/usr/bin/gcc
CXX=/usr/bin/g++
MOTIFLIBPATH = /usr/lib/x86_64-linux-gnu
X11LIBPATH = /usr/lib/x86_64-linux-gnu
MOTIFINCPATH = /usr/include/Xm
X11INCPATH = /usr/include/X11
ENABLE_CUDA=False
B.依赖软件安装
打开终端，输入
sudo apt install -y gfortran libmotif-dev libhdf5-dev libfftw3-dev libgdal-dev scons python3 cython3 python3-scipy python3-matplotlib python3-h5py python3-gdal python3-pip gdal-bin
C.编译
终端下输入scons
编译成功！
D.环境设置
在.bashrc文件最后加入
export ISCE_ROOT=/home/un/isce2/install
export ISCE_HOME=$ISCE_ROOT/isce
export PATH=$ISCE_HOME/bin:$ISCE_HOME/applications:$PATH
export PYTHONPATH=$ISCE_ROOT:$ISCE_HOME/applications:$ISCE_HOME/component
终端下输入
source ~/.bashrc
验证安装是否成功
终端下输入topsApp.py --steps --help
