[#1953] fix for spatial coverage calculation
[#1953] fix for spatial coverage calculation

ResearchSoftwareInstitute/MyHPOM,hydroshare/hydroshare,ResearchSoftwareInstitute/MyHPOM,RENCI/xDCIShare,hydroshare/hydroshare,hydroshare/hydroshare,RENCI/xDCIShare,ResearchSoftwareInstitute/MyHPOM,ResearchSoftwareInstitute/MyHPOM,RENCI/xDCIShare,ResearchSoftwareInstitute/MyHPOM,RENCI/xDCIShare,hydroshare/hydroshare,hydroshare/hydroshare,RENCI/xDCIShare