Project Documentation GFZ Department 1

04/21/2023

05:15 AM GAMMA Questions IPTA / SBAS: 2-D phase regression plot

Hi Gamma Users,
I want to plot 2D phase regression which is carried out in multi_def_pt/def_mod_pt. I checked that... Tapas Dey

09/22/2021

09:39 PM GAMMA Questions SAR Data Preprocessing: RE: ERROR: calloc_1d: number of elements <= 0: 0

Dear Charles,
Thanks for your response.
As you suggested, I ran _ScanSAR_deramp_2nd.py_ for one slave data (2018011... Tapas Dey

08:59 AM GAMMA Questions SAR Data Preprocessing: ERROR: calloc_1d: number of elements <= 0: 0

Hi Gamma users,
I am getting an weird error (_ERROR: calloc_1d: number of elements <= 0: 0_) while I am trying to ... Tapas Dey

04/27/2021

11:26 AM GAMMA Questions Data Import/Export: RE: Polygon description file from kml file

Dear Charles and Naeem,
Thanks for your response.
In "polyras", user needs to draw the polygon by clicking on a... Tapas Dey

08:49 AM GAMMA Questions Data Import/Export: Polygon description file from kml file

Dear Gamma users,
In order to obtain statistical quantities of a particular output file for a polygonal area I wan... Tapas Dey

11/06/2020

05:20 PM GAMMA Questions Postprocessing: How to overlay time series deformation rate in google earth

Dear Gamma users,
I want to overlay *pdisp_ts_A* on google earth and find out deformation rate at some points with... Tapas Dey

11/04/2020

03:55 PM GAMMA Questions Sentinel-1: RE: How to create TOPS_PAR file for a S1A Mosaicked SLC

Hi Charles,
Thanks for your insightful response. However, I have a follow-up question regarding the same topic.
I... Tapas Dey

08:15 AM GAMMA Questions Sentinel-1: How to create TOPS_PAR file for a S1A Mosaicked SLC

Hi Gamma users,
Recently I want to process the whole area covered by S1A data, i.e., all 3 sub-swaths and all the ... Tapas Dey

08/11/2020

11:55 AM GAMMA Questions IPTA / SBAS: Regression analysis with multi reference stack

Dear Gamma users,
After selecting the reference point from the region where PS points are densely populated, while... Tapas Dey

07/28/2020

10:19 PM GAMMA Questions IPTA / SBAS: RE: Preprocessing script before IPTA processing

Hi Charles,
Thanks for your helpful response.
According to your suggestion, I ran *ScanSAR_coreg.py*_ script wit... Tapas Dey