MODAPS PCR 22-013
| PCR Number | 22-013 |
|---|---|
| Date | 2022-09-21 |
| Initiator | Maki Jackson and Sudipta Sarkar |
| Abstract | PGE120 V6.1.14 -- Projection.c code updated to use a temporary array for string copying. Also updated to use calloc. |
| Problem Statement | When looking for the matching geolocation for any given input file, the Ubuntu version was crashing because of a memory overrun in the filename. |
| Description of Change | The C61 PGE120 V6.1.14 was updated to correctly generate the filename to prevent memory over run when using the filename. |
| Products Affected | All MODIS Terra and Aqua L2 GIBS images |
| Software Affected | PGE120 V6.1.14 |
| Processing String to Receive the Change | Terra and Aqua Forward Processing. Terra and Aqua Reprocessing. |
| Downstream Product Effects | None |
| Data Granules to be Used for Science Testing | The PGE120 V6.1.14 have been tested by running a science test in AS 1917 and reviewed by LDOPE. |
| Justification | This update to the PGE120 will fix the broken MOG09 L2 images that have been seen in the STD stream since July 20, 2022, when a switch was made from CentOS to Ubuntu, for these processes. |
| Effective Date for Implementation of Change | Has been in effect on Ops8 since September 17, 2022. |
| Status | Major algorithm development completed. Sadashiva Devadiga approved on 09/27/2022. Sudipta Sarkar approved on 09/21/2022. |