About the files here. The file MYD09.A2019003_hacked.h5 is a smaller version of a data file originally named MYD09.A2019003.2040.006.2019005020913.h5. The 'hacked' file covers Lat 32.30 to 32.27 and Lon -98.90 to -98.83 The Target_overlap_nw.h5 file is a file with made up data (the 'values' array) that covers Lat 32.315 to 32.288 and Lon -98.93 to -98.867. Thues two datasets overlap and thus should have some intersection with the STARE subset functions