Envi 4.7下载：
http://dl.dbank.com/c0xlwdke94
安装Envi4.7时候如果提示需要license，那么按照如下步骤操作：
1. 在License wizard 中选择"Install a license you have received"，点击"Next"
2. 在Select a license type 中选择"Activated a license"，同时在面板中输入如下，之后点击"Next"，此时安装过程完毕，直接close退出License Wizard
PACKAGE idl71_tbe idl_lmgrd 7.199 A0A030603642102A9C74 \
COMPONENTS="arcnitf:7.199 devkit:7.199 envi:7.199 \
envi_bathymetry:7.199 envi_cartosat:7.199 \
envi_dem_extract:7.199 envi_flash:7.199 envi_flaash:7.199 \
envi_fx:7.199 envi_rt:7.199 envi_nitf:7.199 envi_ortho:7.199 \
envi_tfrd:7.199 idl:7.199 idl_analyst:7.199 \
idl_bridge_assist:7.199 idl_cdf:7.199 idl_dataminer:7.199 \
devkit_optfeat:7.199 idl_devkit:7.199 idl_dicom:7.199 \
idl_dicomex:7.199 idl_dicomex_net:7.199 \
idl_dicomex_net_rt:7.199 idl_dicomex_rw:7.199 \
idl_dicomex_rw_rt:7.199 idl_dicomex_scp:7.199 idl_dm:7.199 \
idl_dm_rt:7.199 idl_drawx:7.199 idl_dxf:7.199 idl_envi:7.199 \
idl_fftool:7.199 idl_gif:7.199 idl_gmem:7.199 idl_gz:7.199 \
idl_hdf5:7.199 idl_hdf:7.199 idl_idlbridge:7.199 idl_ion:7.199 \
idl_imsl:7.199 idl_iptool:7.199 idl_itool:7.199 \
idl_itools:7.199 idl_jpeg2000:7.199 idl_jpeg:7.199 \
idl_lapack:7.199 idl_livetools:7.199 idl_lvsn:7.199 \
idl_mjpeg2000:7.199 idl_mpeg:7.199 idl_mrsid:7.199 \
idl_netcdf:7.199 idl_odbc:7.199 idl_ogc:7.199 idl_png:7.199 \
idl_qhull:7.199 idl_rivertools:7.199 idl_rt:7.199 \
idl_sem:7.199 idl_shape:7.199 idl_student:7.199 \
idl_student70:7.199 idl_student71:7.199 idl_tiff:7.199 \
idl_tifflzw:7.199 idl_url:7.199 idl_wavelet:7.199 \
idl_xml:7.199 insight:7.199 ion_java:7.199 ion_script:7.199 \
itools:7.199 MPEG:7.199 noesys:7.199 noesysplus:7.199 \
vip:7.199" HOSTID=ANY ck=176 TS_OK
INCREMENT idl71_tbe idl_lmgrd 7.199 permanent uncounted \
30D0F06040C2FB57F154 VENDOR_STRING="20111111TEAM TBE" \
HOSTID=ANY ISSUER="TEAM TBE" ISSUED=2009-05-21 ck=174 TS_OK