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.