VT-P092-SUM-001-E-02..
Contents
1. Delete files denoted by pathname Useful for temporary files or directories Command line Ca Java Jjar VTDelete Jar help tor VW MIDIS Ie es i f argi larg2 absolute paths of input files Optional no This document discloses subject matterin which VisioTerra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 lie hae date 12 12 2011 Visio Terra User s Manual page 18 of 23 A 2 Existing processing sequences A 2 1 ENVISAT_ASAR STA A 2 1 1 Scope The goal of this processing sequence is to maximize the image contrast while keeping the original radiometry distribution fig 15 ENVISAT_ASAR_STA processed image example A 2 1 2 Input products The products allowed to use this processing sequence obey the following MIM format e Envisat ASAR WSM e Envisat ASAR IMM A 2 1 3 Output data The output files are named e imp sta tif a full resolution processed data e imp sta kmz the same as the previous but in multiscale Google Earth format e imp sta quicklook kmz a coarse resolution quick look of the image A 2 1 4 Processing sequence VT Import e Reproject from native to geographic projection e Clip to bounding box of intersection betw2. EO products Landsat ETM SLC m 201003 100s SONOS oor LANDSAT STA Ric 3B G12 Mo Londeal CIM Sloan SOOT ana Onn hs 1s LANDSAT STA RGA es Wil Laredeat ETM SUC en 2001015 10S 200105 Ae ioe LANDSAT STA RGB 336 bio Landeat ETML SL on 200015 iiaii 15 2010115 10132 LANGDSAT STAL AGB 335 Mo amdgat ETM SLC on HDi m 1410 20010126 11a LANDSAT STA Roa 175 Mioi andsat ETM SUCon FOODS 104416 20010129 0 LANDS AT SA AGE B16 Moh andsal 7 ETM SLUC on_ Oo 14 104323 SO 1Oa350 LANDSAT STA Ace fea hao Landsat 7_ETM SLC on 20010214 104411 2001021 104438 LANDSAT SIA RGB i a1 Moy andeat _ETM_SLC on 20000016 103237 20010216_103304_LANOSAT STA AGS G72 Mo Landgat Eth SLC on Briere O02 Beene 100755 LANDSAT S14 Rise G10 bio Landsat ETM SLC 20010815 100392 20010915 101359 LANDSAT ST AIS a0 hin Landeal ETM SLC on 20010315_ 101355 AHG 101423 LANOSAD SIA Aoa 135 M Lardsat 7 ETM SLC oe_ 0 101313 ae TIESNE LANDSAT STAL Roa GTI Moj Landsat ETM SLC on cera iT Wina A5 LANOSAT STA RGB 62 hioi andsat 7 ETM SLC on 20010403 104389 20010400 104416 LANDSAT STA RGE RAT Mo flandsal ETM SUC on_ 20010405 103214 00 aA LANDSAT STA ACE ars Mo Landsat ETM _ SLL on 2001S TA 01st TUJ LAND SAI T STA AS a2 Mo ardeat 7 ETM SLC on 20010414 102608 20000418 102635 _LANOSAT STA RGS G25 Mo amdgal ETM SLO on Oa Set 20030421 G44 LANDSAT STA AGA 205 Mii andsab _ ET Mi SLE on S003 103625 20010428 105656 LANDSAT STA AGA ae Mo abdsal
3. Cs gt Java Jars YVrStretlocal jar This document discloses subject matterin which VisioTerra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him reference T P092 SUM 002 E Ps AOI Watcher issue 1 revision 0 x F VISI ija date 12 12 2011 Visio Terra User s Manual page 17 of23 help ftor VIN Se een lice iE iene anc larg2 absolute pathes of input files Oprrena le ne 0f argil larg2 absolute pathes of output files Optional me mea arg The desired mean in output enables the control of the brighness of each band in output Default value is 128 Optional yes t arg The desired standard deviation in output enables the control of the Contrast Of each banci in oucput Default value is 50 Optional yes sws arg The sws parameter specifies the size of the slicing window in wich local statistics have to be computed This parameter is a strictly positive integer with generally a large value for exemple 601 To avoid bioses the sws value should be always odd Default value is 301l Optimal yes 000 _ arg output data depth in bits Will be 8 or 16 Default value is same as input Optional s yes A 1 6 VTCompose Merging VTCompose merges two images in one setting non background pixels of first image in the o
4. ETM SLC on_20010425_10sn2 _au010425 103364 LAOSAN STA Ais 146 ioj Lardeal ETM Lt i 20010505 101502 2001050 101925 LANDSAT SIA Reg 366 Mio rs fig 8 List of EO products for a particular Monitored area 2 3 3 Navigating across a EO product display Each EO product may be viewed in VT Globe panel by selecting it User can pan and zoom EO product up to native resolution Wankar aa ete Op epon 13 BOE 160 bhraise verte Darsga mbiai Hi Ete i T Go G0 NE Amazonia 169 EOF 10 00 C o8scom Aor Tz cao aor resse Mo C OBS COM paper Demag4 BOP 14330 C rengi 12414 BOP STIS No DED ea e honors arnas mece AN ft ME G hhuraiie verte Saripah 00 Ee Ser Go BE Amazonia 169 EOP 110 0o U cascon aor Tz cao Bor reses Mo CI OESCOM hkpir Deba 34 FORV 1872M O Pangi 19 3 14 EOP Y 710 hi fig 9 Full resolution visualization Landsat 7 ETM image This document discloses subject matterin which VisioT erra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 ie ws date eae 12 12 2011 Visio Terra User s Manual page 12 o0f23 2 3 4 Managing EO products Other options are available for EO products e D
5. the user has to choose the Edit button in the control panel It opens the monitored area edition panel which is very similar to the monitored area creation panel ENVISAT_ASAR_IMM_1P ENVISAT_ASAR STA 3 fig 11 Monitored area edition panel All parameters set in the creation process are accessible and editable the same way they were set at the creation Area of interest can be downloaded by using the Get current AOI as KML button fig 12 Get Current AOI as KML button Once the edition of the monitored area is finished pressing the Save monitored area button saves all changes 2 5 Deleting data A monitored area and all its EO products can be deleted with Delete button A pop up asks for confirmation and reminds eventual sub folders will be deleted as well This document discloses subject matterin which VisioT erra has proprietary rights Recipient of this document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 ae date 12 12 2011 Visio Terra User s Manual page 14 0f23 ANNEX A PROCESSING SEQUENCES A 1 Existing VI process In order to process images VI AOIWatcher uses a set of tools acting as processing unit called VTProcess A 1 1 VTim port Reprojecti
6. to fulfil the purpose for which the document was ddivered to him AOI Watcher issue 1 revision 0 hae date 12 12 2011 Visio Terra User s Manual page 21 of 23 e Use native ground sampling distance VT Mask Separate land and sea VTStretLocal land e 16bits pixels to 8bits pixel conversion e Apply local stretching with mean 128 standard deviation 60 statistical windows size 901 VTStretLocal sea e 16bits pixels to 8bits pixel conversion e Apply local stretching with mean 160 standard deviation 60 statistical windows size 301 VTCompose merge land and sea images VTExportKMZ Create a KMZ from full resolution image VTExportKMZ Create a KMZ from quicklook VT Delete delete temporary files Script java Xmx1 024M jar BIN_ DIR VIImMpoOrt Jar irf SHOPS Ob imp CLIPS java Xmx1024M jar BIN_DIR VTMask jar if imp msk SBIN_DIRS LandSeaMask LandSeaMask vtCollection of0 imp sea ofl imp land java Xmz1 024M Jar BIN_ DIR VIStrertLocal jar if imp sea ot imp sea stl odd 3 mea 160 sto 60 swS 301 java X mx 1 024M Jar BIN_DIR VTStrerLocal jar if ime leno of imp lanch stl ode amp Sede 128 st 60 sws 901 java Xmxz1 024M Jar Seine DIR YVICoOmpose jer if imp land stl imp sea stl 0f imo STl COM CL java ix 024M Jar BIN_DIR VEXPOrCKMA Jar if imp STl COM CLE Om 1mp STL COM kmz java X mx1 024M Jar BIN_DIR YVIixporctKMA Jar l 2 if iio os Wacom Tit 0f imo ST
7. 2011 Visio Terra User s Manual page 4of 23 LIST OF FIGURES fig 1 Global view of VT AOIW atcher mechanism 2 20 csse2ssasesndewssaccsesanscedava lesen Sec doen deed sveciatevevalacadvdeniecs 5 fig 2 Panels constituting the VT AOTWatcher main interface cc cc ece cece cence eect eee eneeeeee ene eaeneeeenaenees 6 nS 3 Momtored arca creation pane lw toe nwatass sence toed reena ses me dauetaadensanseldmbotseenaicucedavatondinsus ca lntetueniecs J fig 4 Setting the start and stop dates ovcco cseonnsennmeugomasacnchoernemnncieseuasaanievaameeeeohueanendansuehenaswndaonaessoieos 8 MO CUCL OM Ok A VIVE eee seacaosnecsce EE E A E E A cued E E O E T EE 8 fig 6 Choice of the processing sequence for the two MIM classes cccccececeece eee eeeeeeeeseeeeeeeeeeeneeeees 9 ne 7 Listand selection ofa Momtored area o ccccexsdesecuesdeon ovnedusadexesedeareednneanddiedias waders extoniceuveeeeaesens 10 fig 8 List of EO products for a particular Monitored area 2 0 0 0 cece cece eee eec ec eee ee eeeeeeeeeeeeaenseeeeaeneeas 11 fig 9 Full resolution visualization Landsat 7 ETM image cccccecceceeeec ences ence ees eeeeeeneeaeeseeeaeneeas 11 fig 10 KML visualization with Google Earth Wide shot and Close up VICWS cececeeceeeceeeseeeeaeeees 12 no Jd Montord ara edion Panel errenneren i ra E EE EENE 13 fie 12 Ge Curent AOI as KML DUTON errrircsiisseirii i sronriiude
8. G Mazabraud S Riazano ff G Mazabraud This document discloses subject matterin which VisioT erra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him gt Visio Terra User s Manual aa e page 3of 23 TABLE OF CONTENTS t PURPOSE vsasscsescecensacasiccusecesnesesecssicacsesenesdsusveusucewennsasacaesecbsncecdcustcnssdbseeessacdecusueesectatessvecacdeseassese 5 2 MANAGING MONITORED AREA Sssssssnsesuesccesssacecucecacacacsesveeecseesad esasabndacusavacdaseotensnsnenccanasesusuneseenaiests 6 ZA CREATING A MONITOREDAREA visite ciuwis sacontat inerexeianduauninedunae legal ieaiai adia 6 ee CVI TIVE ca E E in a bata E eR ee eae EE ij 2 1 2 Selection of the monitored Period 0 cccccccc cece cence eee eee EEE EEE EEE EEE EES 8 2 1 35 Choice of the Mission Instrument MOde S 00 00 c cc ccc cence nce ence eee e ene tees 5 L104 AUFIDULIONOS a PIOCESSING SCQUCHCE siaz ecucacapscagarbrtew i acbedodinuteevelactiessianuzteuiiciasseiastieeds 9 2 1 5 Specification of a minimum overlay threshold 0 0 0 ccc ccc cece ccc eee ence eect eee es 9 2k60 Choosing d NAME sobern Ba eoe seen tos nce tsb dedd ian soana tu bonsawndee nocd cantante ee ie oubon ended adi eoes 9 Dota a FTO OC Sp hare asta octe caiseauie vast a eclene EE E NAE wean sewn E EEE E ESES
9. in optical orland and sea in radar Then bands are stretched individually following instructions either in local or in automatic stretching and merged into a TIFF image available among EO products Predefined processing sequenes are detailed in appendix A 2 2 3 Viewing results 2 3 1 Viewing the AOI of the monitored area User may access to a specific monitored area by selecting it in the monitored areas panel Area of interest of this monitored area will be displayed in VT Globe panel which embed a Web mapping tool VTGlobe panel fig 7 List and selection of a Monitored area This document discloses subject matterin which VisioT erra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosedhere on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 ee date 12 12 2011 Visio Terra User s Manual page 11o0f23 2 3 2 Viewing the list of EO products of amonitored area The list of processed EO products of a monitored area appears by clicking the Properties button The name of a EO Product follows the pattern MIM_Ts_Te_IPS with MIM the Mission Instrument Mode selected Ts imaging start time and Te imaging end time written aa YYYYMMDD_HHmmSS IPS the image processing sequence s name
10. using a mask image For example this allows to separate sea and land or cloud and not cloud with an appropriate mask Command line C gt java jar VTMask Jar help ftor YVTITMask f argili larg2 absolute pathes of input files Optional ne msk arg absolute path of mask file Optional no 0f0 argi larg2 absolute paths of output files in which only are kept the pixels having a zero value in the mask image Optional yes 0f1 argi arg2 absolute paths of output files in which only are kept the pixeles having a non zero value in the mask image Optional yes A 1 4 VTStretAuto Automatic stretching VT StretAuto applies a stretching depending on a saturation threshold and histogram of the image Command line Ce Java Jjear YTStretAuTo jar help for VTSretAuTo 1f argi larg2 absolutes paths of input files Optional z no 0f largi larg2 absolute pathes of output files Optional 3 ne J Sara arg This ratio gives the relative number of pixels that will be set to 0 on the left of histogram This ratio will also be used to set to the maximum 255 for amp b1it pixel on the right Of the histogram Default yalue is 0 005 Optional s yes odd arg output data depth in bits Will be 8 or 16 Default value is same as input Optional s yes A 1 5 VTStretLocal Local Stretching VT StretLocal applies a stretching on each pixel depending on the statistics of neighbouring pixels Command line
11. 1P gt a ENVISAT ASAR_WSM_1P Landsat 5 TM Landsat _ETM_SLC off gt d pi Lit 1 U fig 5 Selection of a MIM This document discloses subject matterin which VisioTerra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was dedivered to him reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 a date 12 12 2011 Visio Terra User s Manual page 9of 23 2 1 4 Attribution of a processing sequence Once the Mission Instrument Mode s MIM is selected user has to choose how the raw data will be automatically processed This is done by picking his choice among the items available in the scrolling menu Landsat 7 ETM SLC on NONE NONE NONE NONE NONE ENVISAT_ASAR_STA LANDSAT STA RGB ENVISAT ASAR STL fig 6 Choice of the processing sequence for the two MIM classes See A 2 for more details on the processing sequences 2 1 5 Specification of aminimum overlay threshold The overlay between an image and the AOI is defined as the fraction ofthe surface the AOI inters ected by this image and the whole AOI surface This ratio 1s expressed in percent To narrow the query result to the most pertinent images a minimum overlay threshold must be speci fied in the Minimum overlay textfield Any non zero value will sort out i
12. 9 ZilsO DGVING he MONT O1CO ONC eissis punta sastesd casa Reniamnhrnndaw TNA EEEE 9 PAR AUTOMATIC UPDATE OF THE QUERY RESULTS ccc cc eceecc cece cece eeeeesssceeeeeeeeeeceessseeeeeeeeeeeeeeees 10 2 2 1 Automatic acquisition and UDGQIE oasis cn curieckaseisgs cuss Deaseusienrdayaetiouhesssnsescsateeueesdaredana 10 Doll F TOCCSSI E SCQUCIIC Css xcncar xe manvendoonctesentadansnagas susencssecaseneianoeredsanceesssoneserssscesenetnenses 10 2 VEN UNG RE SU ats saint ER EENE E E E E 10 2 3 1 Viewing the AOI of the monitored AVEO 00 ccc ccc ccc cee ee een EEE EEE EEE EEE 10 2 3 2 Viewing the list of EO products Of a monitored ALCO 6 ccc cece cece ccc nent nee teat e es Il 2 3 3 Navigating across A EO product AispLAay ccc ccc ccc cece ence nce e eee e eee eee ene EEE EEE EEE Il Ded WIGHT EO OC yas aes spe ot eee TE E 12 Ze JO NTING Ay MONITOR GD AREA gccccenserceacencengeies ENE rei 13 2S DEI DA e etree pies E oa cena cnt piecic ae ties eugene esos ye cee axtaeece vane O 13 ANNEXA PROCESSING SEQUENCES isiszecsessscesrensccussnssiecancnconsasdeneesaesedueneaeaceswansseonsanienaseseseeaseaeenes 14 AA NECIS TING YT PROCESS caecqeactcnseeooso nent nengut reco tantana args venta nate norm amnonenieunengieeeeneadeeteaaaenusnance 14 A l 1 VT Import Reprojection Clipping ccc ccccc cence ence eee eee nen EEE EEE EEE EES 14 Ad2 Vi CloudMaskLandsat Cloud GCC ON said sicccuisicaixeraaccsaielsddimanaecteaseasanctandeccsaasiied
13. L Com cuicklook kmz java Jar BIN_DIR V Delete jar if imo Amp sea imp land impo sesa st imo land stl This document discloses subject matterin which VisioTerra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him reference T P092 SUM 002 E reference T P092 SUM 002 E y AOI Watcher issue 1 revision 0 x MSI date 12 12 2011 Visio Terra User s Manual page 22 of23 A 2 3 LANDSAT STA RGB A 2 3 1 Scope The goal of this processing sequence is to provide images close to true colour but as contrasted as possible on each of the three bands bs 4 BaheyDar ie T fig 17 LANDSAT_STA_RGB processed image example A 2 3 2 Input products The products allowed to use this processing sequence obey the following MIM format e Landsat 5 TM e Landsat 7 ETM SLC on e Landsat 7 ETM SLC off A 2 3 3 Output data The output files are named e imp sta com tf a full resolution processed data e imp sta com kmz the same as the previous but in multiscale format and virtual globe compatible e imp sta com quicklook kmz a coarse resolution quicklook of the previous A 2 3 4 Processing sequence VT Import e Reproject band 1 2 3 blue green red from native to geographic projection e Clip to bounding box o
14. M 002 E AOI Watcher issue 1 revision 0 date 12 12 2011 page 200f23 Visio Terra User s Manual A 2 2 ENVISAT_ASAR STL A 2 2 1 Scope The goal of this processing sequence is to provide homogeneous data on the land and on the sea parts of the image so that each part respects locally A given statistical distribution model with an uniform mean and standard deviation No matter the imaging conditions and the elements pictured on the image all output files will look homogeneous with regard to the other EO products that have been processed in the same way fig 16 ENVISAT_ASAR_STL processed image example A 2 2 2 Input products The products allowed to use this processing sequence obey the following MIM format e Envisat ASAR WSM e Envisat ASAR IMM A 2 2 3 Output data The output files are named e imp stl com tif a full resolution processed data e imp stl com kmz the same as the previous but in multiscale format and virtual globe compatible e imp stl com quicklook kmz a coarse resolution quicklook of the previous A 2 2 4 Processing sequence VT Import e Reproject from native to geographic projection e Clip to bounding box of intersection between AOI and image footprint This document discloses subject matterin which VisioT erra has proprietary rights Recipient of this document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra
15. e value ofa pixel for the same band e d Sun Earth distance in astronomical units e ESUN mean solar irradiance for this band top of atmosphere e 0 Sun zenital angle This document discloses subject matterin which VisioTerra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosedhere on except for or on behalf of Visiol erra to fulfil the purpose for which the document was dedivered to him reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 i Visio Terra date 12 12 2011 User s Manual page 16 0f23 dand ESUN values can be found in the Landsat Handbook respectively in table 11 4 and 11 3 at the http landsathandbook gsic nasa gov handbook handbook_htmls chapterl 1 chapterl1 html K Temperature T K ln 1 L e T given pixel temperature e KI and K2 constants given in Landsat Handbook in table 11 5 e L previously calculated radiance value ofa pixel for the thermic band A 1 2 2 Filters description Complete algorithm for cloud detection is described in this paper Irish R R Barker J L Goward S N and Arvidson T 2006 Characterization of the Lands at 7 ETM Automated Cloud Cover Assessment ACCA Algorithm Photogrammetric Engineering and Remote Sensing vol 72 10 1179 1188 http landsathandbook gsic nasa gov pd f8 ACCA_Special_Issue_Final pdf A 1 3 VTMask VTMask marks pixels as background in an input image by
16. ection of the monitored period Both start and stop dates of the watching period can be set To select a starting or an ending date one can either fill the text field using a YYYY MM DD date format or press the calendar button and select a particular date 2011 01 01 Se Baii ia fig 4 Setting the start and stop dates 2 1 3 Choice of the Mission Instrument Mode s User has also to define what type of data he she wants to monitor by selecting a Mission Instrument Mode s MIM The available MIMs for this current version are all free data e Landsat 5 TM that is an optic 7 bands instrument at 30 m GSD ground samping distance e Landsat 7 ETM SLC on that is an optic 8 bands instrument 30 m and 15 m GSD e lLandsat 7 ETM SLC off that is the previous one after the damage of the Scan Line Corrector occurred on the 31 May 2003 e Envisat ASAR WSM being a 150 m GSD radar instrument with 400 km wide swath e Envisat ASAR IMM being a150 m GSD radar instrument with 100 km wide swath To set a MIM for the monitored area one has to click on the link Add Mission Instrument mode It adds new Mission Instrument Mode line where one can specify MIM and its associated processing sequence Each time a new MIM is added a new Add Mission Instrument mode is added below so that several MIMs can be added this way on asame monitored area Landsat ETM SLC on ENVISAT ASAR IMM
17. een AOI and image footprint This document discloses subject matterin which VisioT erra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was dedivered to him reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 hae date 12 12 2011 Visio Terra User s Manual page 19 of 23 e Use native ground sampling distance VTStretAuto e 16bits pixels to 8bits pixel conversion e Automatic stretching with value of 2 VTExportKMZ Create a KMZ from full resolution image VTExportKMZ Create a KMZ from quick look VT Delete delete temporary files Script java uO Oe i Jar BIN_DIR VTImport Jar if SIO Sone imp CLIPS java Xmz1 024M Jar BIN_DIR YVTStretAuto jar if imo Sole imo sta cit od amp sart 0 02 java Xmxz1 024M Jjar BIN_DIR VTEpPOrCTKMZA Jar if imp Sta TLE Ode imp Sta kmz java x 020M Jar BIN_DIR VTIEXPOTrCKMA Jar l 2 if imo shay tif 0f imo Sta quicklook kmz java a ene SION ODIs be INS MS ay sie if ime This document discloses subject matterin which VisioT erra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was dedivered to him reference T P092 SU
18. eleting by pressing Delete button e Exporting to KML small file with dynamic links by pressing Download as KML e Exporting to KMZ heavy standalone file by pressing Download as KMZ e Exporting to GeoTIFF by pressing Download as GeoTIFP KML KMZ and GeoT IFF files are in full resolution hk Google Earth S Fichier Edition Affichage Outils Ajouter Aide Recherche 7 Lieux ar Mies liem pr f r s Ja M Lieux temporaires 0 eS France 2001 Landsat T_ETM_SLC o Image 2007 IGH Franca ie b tl i6 Data SiO NOAA WS Navy NGA GERCO H Donn es qeoqgray Galerie Google Earth Fichier Edition Affichage Outils Ajouter e Recherche Lieux a Mies lieux pr f r s ie wi Lieue temporaires iNES France 2001 Landsat 7_ETM_SLC o H Donn es qe ogray Galerie Google Earth 9 fig 10 KML visualization with Google Earth Wide shot and Close up views This document discloses subject matterin which VisioT erra has proprietary rights Recipient of this document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was dedivered to him reference T P092 SUM 002 E i AOI Watcher issue 1 revision 0 a a revision SS a date 12 12 2011 Visio Terra User s Manual page 13 0f23 2 4 Editing a monitored area To edit a monitored area
19. es 15 AL FE EE N S E webavaanee 16 ALA VISHCIAUIO AULOMGUC SITCLCIAN E eir a aE TERE EEE EES EE EERE 16 A 1 5 VTStretLocal Local Stretching siccsicassncaneasoindaaianiaecasatidsuewnedanndn bedertanidiecamaeiavanena 16 ALO VIC OTD O56 Mero NE iere EEE EEEE E EE NE ENE 17 A 1 7 VTComposeRGB RGB Mer ging ccccccccc cece cence eee ee eee nnn EEE EEE EEE EE EEE EES 17 A 1 8 VTExportKMZ Super overlay KMZ exporting cccccccc ccc nce ne ence ence ee eee ene e eset en eenees 17 PT VDC srosectpes r E wt aaron tenet eee bctea esas 02 wale ta E E E sen ee ee pisses 17 A 2 EXISTING PROCESSING SEQUENCES cccccccccccceccccccsssecceeeeceeeesecesssseeeeeeeeeeseeesssseeeeeeeeeeeeeeees 18 Pic ENVDAT ASAR Orrin sss cep ceryp wa opts rt Bg toe a eee E rsp Oe slots SG ws Sane ee vera e see Oeste 18 Aaa MAIN VISA ASAR SI Dossi nens A E EEN NEEC NEEN ENE ERON EERENS ESENES EEAS 20 A 2 3 DLANDSAT STAARGB cwsicssisnsotinciesieentseuiddatectitiadeaotindpctatunsenndddatnesstandsesotadsanceuncens 22 reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 This document discloses subject matterin which VisioT erra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 lie ija date 12 12
20. f intersection between AOI and image footprint e Use native ground sampling distance This document discloses subject matterin which VisioT erra has proprietary rights Recipient of this document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of VisioT erra to fulfil the purpose for which the document was ddivered to him reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 hae date 12 12 2011 Visio Terra User s Manual page 23 0f23 VT StretAuto Automatic stretching with value of 2 on each band VTComposeRGB merge three band into RGB images VTExportKMZ Create a KMZ from full resolution image VTExportKMZ Create a KMZ from quicklook VT Delete delete temporary files Script java Xmxl 024M Jar BIN_DIR VIImport jar i EOP Oe Slory ll imp 2 imp 3 CLIPS cha 1 BS java Xmxl 024M Jar BIN_DIR VIStCretAuto Jar if imp eames 2 Imp s o imp staal Limo Sta 2 imo sta ode S sat 0 02 java Xmz1 024M jan BIN_DIR YVICOoOmposeRGB Jar if imp sta 3 imo sta 2 imp sta l of imp Sta Com Cif java Xxmx1 024M Jjar BIN_DIR VTEXPOTrCKMA Jar if 1mp StTa COM CLE Of 1m STE COM kmz java X mx1 024M istic STEIN DME S W ora MWA a Jar l 2 if 1mp STtTa Com Cif of Imo Sta Com cquLcklook kmz java Jjar BIN _DIR V Delete jar if imp l imp 2 imp 3 java Jar B BIN_DIR YV Delete jac if imo sta l imo sta 2 amp stas This d
21. id iriri iiaee e rE erain a ei 13 ie p SO AN MINAS eei E E S 14 fe l CSO COINS SCHCING ereas R En aee eaae e 15 ne 15 ENVISAT _ASAR_STA processed image example iiscicccscacicaveiccivesuses inssin anrr T EErEE E EE 18 fig 16 ENVISAT_ASAR_STL processed image example ooenssosnessseessesresssressssresssressssressereesssreeseo 20 fig 17 LANDSAT_STA_RGB processed image example ccccececeec eee ec ence eene eases eeeeaeneeaeeseeeaenneas 22 This document discloses subject matterin which VisioT erra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him reference T P092 SUM 002 E J AOI Watcher issue 1 revision 0 a rewsion hae date 12 12 2011 Visio Terra User s Manual page 5of 23 1 PURPOSE VT AOIWatcher enables users an easy access to a list of automatically updated and processed images acquired over monitored areas User has to specify the attributes of each monitored area by setting the area of interest AOD the desired acquisition period what type of images would be useful defining the mission instrument mode s MIM how the images should be processed through a processing sequence and e the expected minimum overlay between the candidate images and the AOI Once the a
22. l regularly check ifnew images fit in the criteria Every image found this way is then processed according to the user s requirements prepared for efficient visualisation and its products added to the monitored area existing EO products in the local archive 2 2 1 Automatic acquisition and update Once the user has saved an active monitored area VT AOITWatcher will look for archive data on the servers associated with the selected MIMs Data that fits the query will be downloaded and then be processed along with selected processing sequence in the monitoread area This process is no instantaneous the user should not expect positive results in minutes Then without any need of user s intervention VT AOTWatcher will keep watching the different servers to check if new images match its monitored areas attributes Hence new EO products will progressively be added to the existing ones This download only happens once and is asynchrone with the user s need so as to allow access to EO products at local download speed even when data is temporarly or definitly unavailable on the original remote server 2 2 2 Processing sequence After the download EO products are processed and converted to standard file format like TIFF and or KMZ For example the downloaded images are first geocoded in geographic coordinates on a WG484 ellipsoid to allow easy visualisation on a virtual globe then the channels are separated in differents masks for clouds
23. mages that do not intersect the AOL 2 1 6 Choosing a name A name must be given to the monitored area in the Name textfield 2 1 7 Selecting the status Ifa monitored area status is inactive VT AOIWatcher watching process is left pending Processed EO products can still be accessed but new updates won t be fired until the status hasn t changed to active In this case process resumes where it was stopped A Status is active if the checkbox Status is checked 2 1 8 Saving the monitored area The monitored area and its parameters can be saved when all fields are filled at least by the possible default value User presses the Save monitored area button which opens a pop up showing the save is success ful Message de la page Web x A Monitored area name successfully created Save monitored area This document discloses subject matterin which VisioTerra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was dedivered to him reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 lie a date 12 12 2011 Visio Terra User s Manual page 10 0f23 2 2 Automatic update of the query results Once a monitored area has been saved VT AOTWatcher will look for existing data fulfilling the request and wil
24. ocument discloses subject matterin which VisioTerra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was dedivered to him
25. on Clipping VTImport imports images from their native projection to geographic projection Horizontal vertical ground sampling distance and Upper left Lower right coordinates of output image can be set Command line Cs gt jJjava jer Pimp ores Jar help tor YVTIMPOrT lt i f Pence I larg2 absolute paths of input files Opticnal no Or argil larg2 absolute paths of output files Optional sno love argi larg2 icd of the bandis String values Optional s yes Sellen lon lat longitude and latitude of upper left corner Optional yes Sle lona lat longitude and latitude of lower right corner Optional yes gsx double value horizontal ground sampling distance in degrees Optional yes 0 6y double value vertical ground sampling distance in degrees Optional yes A 1 1 1 Clipping The data processor provides UL and LR clipping parameters to limit reprojection to the intersection between the image and the AOI fig 13 Clipping of an image A 1 1 2 Reprojection The image is then reprojected from its native format to the geographic coordinates reference system To this intent for each output image picture we look for the inverse image in the input image Ifit doesn t belong to the input image then it is a background pixel This document discloses subject matterin which VisioT erra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in
26. part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him reference T P092 SUM 002 E y AOI Watcher issue 1 revision 0 lie a date 12 12 2011 Visio Terra User s Manual page 150f23 latitude p P MLI Source image Omi M1 reference system f l l I A Amin max longitu de I MLI A l D MLIp A Geodesic reference system fig 14 Geocoding scheme A 1 2 VTCloudMaskLandsat Cloud detection Clouds tend to show the brightest pixels of most images Hence they prevent an efficient stretching by saturating the bright part of the histogram while providing no interesting information to the user Thus the stretching process has to be preceded by a cloud removal step A 1 2 1 Radiance reflectance and temperature calculation Each pixel radiance reflectance and temperature are calculated by the following formulas LMAX LMIN ee a OCALMIN x QCAL QCALMIN LMIN e L radiance value ofa band b pixel e LMAX maximum value of radiance for band b e LMIN minimum value of radiance for band b e QCALMAX pixel maximum value offten 255 e QCALMIN pixel minimum value often 1 e QCAL value of a band b pixel LMAX et LMIN are found in the Landsat metadata file Reflectance p nies Sa ois d P ESUN xcos e Py reflectance value ofa band p pixel e L previously calculated radianc
27. reference T P092 SUM 002 E issue 1 revision 0 Visio Terra date 12 12 2011 page lof 23 AOI Watcher User s Manual name function date company Signature prepar ed by Guillaume AUREL Engineer VisioTerra Guillaume Aurel visioterra fr checked by Gr gory MAZABRAUD Engineer VisioTerra Gregory Mazabraud vsioterra fr approv ed by Serge RIAZANOFF Project Manager VisioTerra Serge Riazanoff visioterra fr This document discloses subject matterin which VisioT erra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was dedivered to him Visio Terra reference AOI Watcher User s Manual DOCUMENT STATUS SHEET Issue Date 1 0 08 06 2011 1 0 29 06 2011 1 0 30 06 2011 1 0 18 07 2011 1 0 27 07 2011 1 0 28 07 2011 1 0 01 08 2011 2 0 08 12 2011 2 0 12 12 2011 2 0 12 12 2011 Comments Draft 1 First draft Dratt 2 Review Draft 3 Corrections before release Dratt 4 Review Draft 5 Addition of an appendix section Draft 6 Review Final release 1 0 Draft 1 Update to AOTWatcher version 2 1 Draft 2 Document review Final release 2 0 issue date page VT P092 SUM 002 E 1 revision 0 12 12 2011 2 of 23 Author G Aurel S Riazano ff G Aurel S Riazano ff G Aurel G Mazabraud S Riazano ff
28. s interface available using a recent Web browser like Internet Explorer Mozilla Firefox at the address http hostname VT AOIW atcher where hostname is the name of the machine hosting the VI AOIWatcher software VTGlobe panel Monitored areas panel Crain Edt _ Popesier Dele Eandsat 7 ETM Stt on 20utatia 104325 S00 101fs i363 NOSAT STA RGD GE Ma p mmr EO products panel fig 2 Panels constituting the VTAOIWatcher main interface 2 1 Creating a monitored area VT AOIWatcher has to find images matching the user s requirements To this intent attributes of any monitored area have to be specified They define the different parameters that have to be taken into account to narrow the query when VT AOTWatcher questions a data provider database A monitored area is similar to a search query on all available data servers Its results match the AOI where question the monitoring period when question the Mission Instrument Mode what question and the processing sequence how question The monitored area is also given a minimum overlay threshold matching a pertinence threshold on results a name query s name and a status query s update status Clicking the Create button in the monitored area panel opens the monitored area creation panel This document discloses subject matterin which VisioT erra has proprietary rights Recipient of this document shall not duplica
29. te use or disclosein whde or in part information disclosedhere on except for or on behalf of Visiol erra to fulfil the purpose for which the document was dedivered to him ee Visio Terra reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 date 12 12 2011 page 7of 23 User s Manual 2011 01 01 012 12 31 fig 3 Monitored area creation panel 2 1 1 Setting the AOI The first parameter to be set is the definition of the area of interest on which acquisitions have to be looked for This parameter is mandatory Activating the Browse button displays an Open file chooser Areas of interest are closed polygons without holes stored in graphic files according to a specific format VT AOIWatcher recognizes only the KML format in input KML stands for Keyhole Markup Language it is a format originally managed by Google Earth AOI may match complex patterns with an undefined number of vertices with undefined extents on the Earth This document discloses subject matterin which VisioT erra has proprietary rights Recipient of this document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him reference VT P092 SUM 002 E AOI Watcher issue 1 revision 0 date 12 12 2011 page 8of 23 i je lie Visio Terra User s Manual 2 1 2 Sel
30. ttributes of a monitored area have been set VT AOIWatcher will look for existing data defined by the monitored area acting as a request and will regularly check ifnew images fit in the criteria see fig 1 Every image found is then imported in the local archive processed according to the user s requirements prepared for efficient visualisation and the output products are stored in dedicated directories When VTAOIWatcher s users wish to access the processed data on a monitored area it is ready and available for download using local network hence it is independant of the data provider s server state and bandwidth Monitored Area t X Os ee ey eee ee ee c ie f Archive atcher 1 a x amp EOProduct EOProdtct _ 5 Local archive Processed EOP fig 1 Global view of VTAOIWatcher mechanism This document discloses subject matterin which VisioTerra has proprietary rights Recipient ofthis document shall not duplicate use or disclosein whde or in part information disclosed here on except for or on behalf of Visiol erra to fulfil the purpose for which the document was ddivered to him reference T P092 SUM 002 E AOI Watcher issue 1 revision 0 i date 12 12 2011 Visio Terra User s Manual page 6of 23 2 MANAGING MONITORED AREAS VT AOIWatcher is installed on a machine used as a server All the functionnalities described in this user guide are accessible from thi
31. utput image and pixels of second image for background pixels of the first image Command line Gi gt java jar Vicompose jar help tor YTCOmMmEOSE f largi larg2 absolute paths of input files Optional me 0f argl larg2 absolute pathes of output files Optional 3 ne A 1 7 VTCompose RGB RGB Merging VTComposeRGB merges three mono channel images into one RGB image Command line C gt java jar VTComposeRGB jar help tor YVITCOMPOSERGB if red green blue absolute paths of red green blue input raster Optional no 0f largi larg2 absolute paths of output files Optional ne A 1 8 VTExportKMZ Super overlay KMZ exporting Exports input image to Google Earth file format using the super overlay repres entation Input image is subsampled several times depending on image dimension and each map is cut into small tiles for example 256 x 256 pixels Tiles are encoded to the non destructive PNG image format which supports alpha channel This structure allows Google Earth to display only the tiles adapted to current view Command line C gt java jar VTExportKMZ jar help ftor VTEXPOPTTKMZ 1f argi larg2 absolute paths of input files Optional 3 no 0f largi larg2 absolute paths of output files Optional 3 ne 5iz max size Lf specified max size of output file in bytes Optional yes 1 level number if specified max level count in KMZ archive Optional yes A 1 9 VTDelete
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