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1. _ a Code EOCFI DMS SRN 004 d o W Y pea gt a Pa Date 29 October 2015 el m y S Y i t hat Version 4 10 Issue 0 a _ Page 1 EARTH OBSERVATION MISSION CFI SOFTWARE Release Notes Version 4 10 1 INTRODUCTION This document describes the changes introduced in this release of the Earth Observation Mission CFI Software 2 USER SUPPORT For any question related to the usage of the EOCFI or to report a problem please contact EOCFI Software Support Team e mail cfi eopp esa int 3 RELEASE DESCRIPTION 3 1 Software The following table lists the released libraries their version and issue date File Handling 4 10 29 October 2015 Data Handling 4 10 29 October 2015 Lib 4 10 29 October 2015 410 29 October 201 Visibility 4 10 29 October 2015 EECommon 4 10 29 October 2015 only C and JAVA APIs The core API of the above libraries 1s written in C and provides an API for C C and JAVA The libraries installation packages are available for download at the following URL registration required http eop cfi esa int index php mission cfi software eocfi software branch 4 x eocfi v4x download Earth Observation Mission CFI Software Release Notes 4 10 Code EOCFI DMS SRN 004 d AY m e Date 29 October 2015 eT m y S N S Version 4 10 Issue 0 SPAC EJ E Page 2 3 2 Documentation The following documents are available The documentation is available for download and o2. ate 29 October 2015 N d el m 9S ZX lt Version 4 10 Issue 0 om Sa a i Page 4 3 4 Installation Packages The CFI libraries are provided as zip packages Dynamic libraries DLLs Static libraries Information on how to get and use the supported DEM datasets can be found at the following URL http eop cfi esa int index php mission cfi software eocfi software support files 3 5 Installation Hints The CFI libraries can be installed by expanding the installation package in any directory For specific hints related to the usage of the libraries please consult e Section 6 CFI LIBRARIES INSTALLATION of the General SUM e Section 6 LIBRARY USAGE of each Library User Manual The xerces library and SAX2Count application are no longer required by the XML validation function and tool in the Data Handling library The EOCFI libraries make use of the following third party libraries e pthreads POSIX threads this library is normally pre installed in Linux and Mac OS X systems For Windows the library is provided in the cfi tools directory within the distribution package Earth Observation Mission CFI Software Release Notes 4 10 Code EOCFI DMS SRN 004 d W m e Date 29 October 2015 e l m gt S N l N Version 4 10 Issue 0 SPACE Fi Page 5 Pthreads is covered by the GNU Lesser General Public License see https www sourceware org pthreads win32 copying html e libxm
3. ed by using new functions xf verbose xf silent File Handling Library e Support for new DEM type ACE2 30 arcsec o Data Handling Library New DEM Configuration File format the new value ACE2_ 30SEC is allowed within the lt Dataset_ Model gt tag o Pointing Library Pointing functions have been adapted to support ACE2 30 arcsec DEM see http tethys eaprs cse dmu ac uk ACE2 shared overview e Improvement in functions to read SP3 and OEM files o Data Handling Library xd read sp3 and xd read oem have been improved It is now possible to extend the selection of OSVs by providing either the number of additional OSVs or a time interval NOTE the function interfaces have been changed therefore user applications using these functions need to be re compiled 5 SOLVED PROBLEMS The following Anomalies have been solved 54g SDF schemas count attribute of List_of_Harmonics_Type should be allowed to be zero set xp_change_frame error calling xl_change_cart_cs when satellite attitude initialised with file Problem in xo_orbit_to_ time when sec msec 0 the correct ANX time is not returned xo_orbit_info SMX not computed correctly in some specific cases xv_orbit_ extra error returned when calculating Sun Zenith Angle 582 xd_read_doris wrong error messages e g could not find keyword SENSING _START xv_zone_vis_time error with wide swath and zone covering latitudes near the poles xo_orbit_id_init double free in e
4. is enabled the target functions keep into account the time spent by a generic signal travelling at the speed of light to inthe TRANSMITTER mode go from the satellite to the target inthe RECEIVER mode go from the target to the satellite O see section 4 1 2 3 of the Pointing Software User Manual NOTE due to the additional computations the execution run time is longer when the model is activated e Improved error handling and diagnostics for Doris and Orbit files o Data Handling Library Additional checks in xd_read_ doris see section 7 7 of the Data Handling Software User Manual e packet is discarded and a warning is raised if at least one of the following conditions is detected CRC error quality field OxFFFFFFFF packet not valid OSV time going back or repeated e A warning is raised and the packet is not discarded if at least one of the following conditions 1s detected sequence counter not increasing except for counter wrapping gap between two consecutive OSVs Additional checks in xd_read_ orbit file see section 7 5 of the Data Handling Software User Manual e A warning is raised if at least one of the following conditions is detected OSV with time going back or duplicated gap found New function xd orbit file diagnostics see section 7 61 of the Data Handling Software User Manual it computes diagnostics data related to an orbit file Such data can be analysed to detect problems in the file or iden
5. is required Functions will operate in single threading mode The XML validation function and tool in the Data Handling library use the libxml2 library For WINDOWS platform it is required to link the user application against the ws2_32 lib 4 NEW FEATURES The following sections describe the new features introduced in this release The description refers to the C API Equivalent features and methods are available in the C and JAVA APIs For further details on the presented features the user may want to refer to the User Manual of the related library e Run time improvements in target functions o Pointing Library target functions have been improved so that now the run time is faster w r t previous versions as shown by the following table test executed on three target methods from the C API Target Run time Run time Speed up x Method with v4 9 1 ms with v4 10 ms 0 010593 0 002236 0 007277 0 001429 0 017279 0 008033 the speed up is the ratio between execution with v4 9 1 and v4 10 Earth Observation Mission CFI Software Release Notes 4 10 m Code EOCFI DMS SRN 004 d e Date 29 October 2015 e l m y S Version 4 10 Issue 0 S Sam 3 a i Page 6 e Light Propagation Model o Lib Library a new model type XL MODEL TYPE LIGHT PROPAGATION is available This model type is disabled by default see section 7 49 of Lib Software User Manual Pointing Library When the light propagation model
6. l see http xmlsoft org for reading and writing XML files e libgeotiff see http trac osgeo org geotiff libtiff see http www libtiff org libproj see http trac osgeo org proj for reading ASTER GDEM files Please refer to Section 6 of the User Manual of each Library for specific usage instructions Terms and conditions for usage of such libraries is detailed in the text file included in the distribution package TERMS AND CONDITIONS TXT libxml2 libgeotiff libtiff and libproj are provided e inthe C API distribution packages as separated static libraries see Section 6 of each User Manual for instruction on how to link them to the application program e inthe C Java APIs distribution packages as separated dynamic libraries see Section 6 of each User Manual for instruction on how to link them to the application program In the Java API for MAC OS X platform due to incompatibilities with system libraries they are instead embedded in the EOCFI libraries User applications using the Pointing library need to be built with OpenMP support adding fopenmp switch in gcc or fopenmp in Visual Studio see Section 6 of the Pointing User Manual In Mac OS X platforms OpenMP is not supported in clang therefore no additional switch is required Functions will operate in single threading mode In WINDOWS platforms OpenMP is not supported in Visual Studio 2010 Express therefore no additional switch
7. ler Visual Studio 2010 Express or Professional edition e MACIN64 e MACOSX on Intel 64 bits e Platform Requirements x86 64 based Mac Computer Mac OS X version 10 10 x Yosemite e Software Requirements Xcode 5 1 with clang compiler front end gcc is an alias for clang NOTE for MACIN64 platform Xcode 5 x users As of version 5 of Xcode the default compiler is clang see http clang Ilvm org clang is a compiler front end for C and C and can build an application linking against the EOCFI C C libraries The gcc anf g program provided within Xcode are aliases for clang OpenMP is not supported in clang Therefore the fopenmp switch shall not be used Functions using parallelized computations e g xp target list functions will operate in single threading mode The following are additional requirements for the C API a C compiler is required e g compiler version 4 2 x for LINUX32_LEGACY LINUX64_LEGACY in MACIN64 g is an alias for clang and g compiler version 4 5 x for LINUX64 e Microsoft Visual C Compiler Visual Studio 2010 Express or Professional edition for WINDOWS The following are additional requirements for the JAVA API a JAVA SDK is required e Java Standard Edition SE version 6 for all platforms According to gcc documentation forward compatibility is ensured up to gcc g version 4 9 x Earth Observation Mission CFI Software Release Notes 4 10 Code EOCFI DMS SRN 004 D
8. n line browsing for C and JAVA APIs at the following URL http eop cfi esa int index php mission cfi software eocfi software branch 4 x eocfi v4x documentation More information on the Earth Observation CFI Software can be found at the following URL http eop cfi esa int index php mission cfi software eocfi software 3 3 Supported platforms The following platforms are supported by this release of the CFI the following are requirements for the C API e LINUX32 LEGACY e LINUX 32 bits Legacy e Platform Requirements x86 based PC Linux Operating System Kernel version 2 6 x Software Requirements gcc compiler version 4 2 x glibc C Library version 2 7 Earth Observation Mission CFI Software Release Notes 4 10 Code EOCFI DMS SRN 004 Date 29 October 2015 d el m 9S N wwe Q Version 4 10 Issue 0 SPAC EJ B Page 3 e LINUX64 LEGACY e LINUX 64 bits Legacy e Platform Requirements x86 64 based PC Linux Operating System Kernel version 2 6 x e Software Requirements gcc compiler version 4 2 x glibc C Library version 2 7 e LINUX64 e LINUX 64 bits e Platform Requirements x86 64 based PC Linux Operating System Kernel version 2 6 x e Software Requirements gcc compiler version 4 5 x glibc C Library version 2 12 e WINDOWS e Microsoft WINDOWS PC 32 bits e Platform Requirements x86 based PC Microsoft Windows 7 Operating Systems e Software Requirements Microsoft Visual C Compi
9. rror handling causes crash on this issue has been reported by the Sentinel 1A IPF Team xv_zonevistime_coverage problem when last zone point is equal to first this issue has been reported by the Sentinel 2A Mission Planning Team eines this issue has been reported by the Sentinel 3A IPF Team 637 Absolute Orbit 0 in OSVs shall be accepted by XML validation these ANRs have been resolved by issuing a new version of the relevant schemas 048 561 573 580 581 582 617 635 637 Earth Observation Mission CFI Software Release Notes 4 10 Code EOCFI DMS SRN 004 Date 29 October 2015 Version 4 10 Issue 0 ae Se E Fi Page 8 6 PROBLEMS The updated list of known issues that will be resolved in a future release can be found at the following URL http eop cfi esa int index php mission cfi software eocfi software branch 4 x known issues branch 4 Earth Observation Mission CFI Software Release Notes 4 10
10. tify fragments of the file to be discarded o Orbit Library orbit intialisation using files with list of OSVs xo_orbit_init_file xo_orbit_id_init see sections 7 5 and 7 7 of the Orbit Software User Manual OSVs with time going back or duplicated are discarded warning is raised at 1 occurence When a gap that does not allow interpolation is detected the function stops loading OSVs and a warning is raised Inconsistent orbit numbers are adjusted warning is raised at 1 occurrence e Improved initialisation of Time Id Orbit Id with data structures o Lib Library in xl time _id_init see section 7 3 of the Lib Software User Manual it is now possible to set orbit file mode to XO TIMEMOD AUTO it is no longer required to specify the type of data o Orbit Library in xo_orbit_id_init see section 7 7 of the Orbit Software User Manual it is now possible to set orbit file mode to XO ORBIT INIT AUTO tt is no longer required to specify the type of data Earth Observation Mission CFI Software Release Notes 4 10 m Code EOCFI DMS SRN 004 d Date 29 October 2015 eC m X S Version 4 10 Issue 0 a a So Pi Page 7 Improved logging of errors messages raised by libxml2 functions o All Libraries in previous versions errors messages raised by libxml2 functions were logged on standard output error From this version by default the logging on standard output error is deactivated It can be activated deactivat
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