PSI using SNAP-STaMPS workflow in Windows Subsystem for Linux (WSL)

Sarto28 · July 13, 2020, 7:41am

Thank you very much.
I will try to install gcc-4.5 version on Ubuntu 20.4.
I will tell you if it works.

Thanks

mdelgado · July 13, 2020, 7:49am

Let me know. I am curious about the installation of older gcc version in ubuntu 20.04
I know that if you use ubuntu 18.04 this problem that not happens.

gcc-4.8 should be ok as well. Newer not.
Best

Sarto28 · July 14, 2020, 1:47pm

Thank you very much. It totally works.
I installed gcc-7 version.

Thank you again

Sarto28 · July 14, 2020, 1:48pm

For people with this problem:
install an older version of gcc (if you have installed ubuntu 20.04).

mdelgado · July 14, 2020, 2:12pm

Good to see that I was right and you got your problem solved.

now the question would be:
can you explain how you install it?
just : sudo apt-get install gcc-7 ??

or something else?

Sarto28 · July 14, 2020, 2:22pm

You have to do:

gcc -v --> to check which version of gcc
sudo apt -y install gcc-7 g+±7
sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-7 7
sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g+±7 7
–> to change the version

(check to have installed also build-essential)

ledi_04 · July 23, 2020, 9:44am

Hi. I tried to follow every step you told, but I seem to have a problem when I try to run StaMPS. This is what I get after the command: mt_prep_snap…

ABraun · July 23, 2020, 9:48am

why is there a ~

I think this should be an empty space.

ledi_04 · July 23, 2020, 9:51am

this ~ was in the tutorial too. i think i missed the space… so i tried it again with the space in it, but is responds in the same way as before

ABraun · July 23, 2020, 9:51am

which tutorial?

ledi_04 · July 23, 2020, 9:52am

the tutorial of @amirolinxa, that stands in this page

ledi_04 · July 23, 2020, 10:12am

my bad, i can see now where is the mistake. the file path wasn’t the right one. @ABraun thank you for helping me

ABraun · July 23, 2020, 1:05pm

Very good! These things can be confusing indeed

ledi_04 · July 23, 2020, 3:30pm

everytime I try to go further with the example, I find something wrong… I already did the mt_prep_snap and it seems to go well. but I had to leave the work and turned off the pc without going do matlab. Now I am to the directory of INSAR_master_data and i run matlab. but when i write "stamps(1,8) in the matlab commands it says: Undefined function or variable ‘stamps’. maybe because i have to re-run the mt_prep_snap and go to matlab right after that, without any interruption?

amirolinxa · July 23, 2020, 3:37pm

you should not close the linux terminal and if you close it you have to redo the sourcing of stamps config file again.

ledi_04 · July 23, 2020, 3:45pm

ok, of course there is another problem… I think i have to add any plug ins for matlab because this error is occuring:

amirolinxa · July 23, 2020, 4:00pm

reinstall matlab and be sure that you checked the following toolbars

Parallel Computing Toolbox (DM)
Image Processing Toolbox (IP)
Signal Processing Toolbox (SG)
Statistics and Machine Learning Toolbox (ST)

ledi_04 · July 24, 2020, 3:06pm

Hello again, i’m facing a new problem , this time when ploting for the results.

PS. I did some research for other people having the same problem, it seems I had to Take a bigger Radius for the TS selection

amirolinxa · July 24, 2020, 4:09pm

To be honest, I havent faced with such a problem so far. have you tried with smaller radious.

ledi_04 · July 24, 2020, 4:12pm

actually, it worked with a bigger radius. I think it needed more points to work