this is a temporary licensing problem. We have noticed that this may happen if the computer is particularly overloaded and as a consequence almost stuck.
However, it’s not affecting the processing.
Also, notice that the log file you sent is empty and the lasterror.mat file has a different date. In other words, no errors occurred.
After executing again Sparse Points Multi-Image Processing, I saved all outputs included “APS” in final Fine APS,
and the laptoo was out of memory. Then, I had a message in matlab to execute the command HELP MEMORY, and now again I have space in disk, what does it mean?
I don’t understand, but now “sparse points processing is green”. Does it mean that I must execute fine APS processing? thanks in advance.
Generally speaking, colored buttons (including red and green) means those steps that are essential for generating interferograms and doing multi-temporal analysis. Green means you’ve executed the step and an output is saved locally. Red means the step isn’t executed/completed yet.
It is worth mentioning that, in sparse point processing, if you do not calculate the FINE APS, the button will not turn green. However, FINE APS estimation is not necessary. You can simply calculate the velocity and height for all your points using the previous estimated APS and save the outcome.
APS estimation and Sparse Points Processing will be the two steps for the multi-temporal analysis after you finished flattening (phase to flat) and DEM (phase to height) removal.
If you continue encountering ‘out of memory’ problem, you can go to select dataset -> advanced parameters -> Max Matrix Size and decrease that number. This will generally decrease memory usage but taking more processing time as a trade off.