User Manual for the JRC Land Cover/Use Change Validation Tool
Contents
1. Beuchle and Hugh D Eva Luxembourg Publications Office of the European Union 2011 21 pp 21 x 29 7 cm EUR Scientific and Technical Research series ISSN 1018 5593 ISBN 978 92 79 18986 9 doi 10 2788 18205 Abstract The JRC TREES 3 project aims at estimating forest cover changes at continental and regional levels for the tropical belt for the periods 1990 2000 and 2000 2005 2010 based on a systematic sample of forest cover change maps An operational system has been developed for the processing and change assessment of a large data set of multi temporal medium resolution imagery sample units of 20 km x 20 km size analysed from with Landsat imagery The main task is to assess as accurately as possible for each sample unit the forest cover and forest cover change between two dates The analysis includes a crucial final step of visual verification and final assignment of land cover labels which is carried out by forestry national officers or remote sensing experts from tropical countries The visual interpretation is conducted interdependently on two date imagery to verify and to adjust the labels pre assigned to each segment for the different dates A dedicated stand alone application has been developed for this purpose The application is a graphical user interface called the JRC Land Cover Change Validation Tool The aim of this tool is to provide a user friendly interface with an optimised set of commands to navigate throug2. summarized below The Land Cover legend for Africa differs for 3 classes a different code for Other Wooded Land class 22 instead of 20 and Other Land Cover class is divided into two sub classes Other Vegetation Cover and Bare amp Artificial LAND COVER CLASS CODE TREE COVER 10 TREE COVER MOSAIC 12 OTHER WOODED LAND 20 OTHER LAND COVER 30 BURNT 50 WATER 60 CLOUD amp SHADOW 80 NO DATA 90 UNCLASSIFIED 99 Land Use Legend LAND USE CLASS CODE FOREST 11 OTHER WOODED LAND 12 Wo Ul OTHER LAND USE 30 WATER 18 NO DATA 99 Specific classes for Africa LC legend Land Cover Legend OTHER WOODED LAND OTHER VEGETATION COVER sBARE amp ARTIFICIAL LAND USE CLASS OTHER TREE COVER NATURAL HERBACEOUS AGRICULTURE BUILT UP BARE WETLAND CODE 13 14 15 16 17 19 22 35 40 14 Building a new input template based on existing csv file The IDL binary file dateset_name template sav contains information for reading the input dataset_name csv file usually it is provided together with the csv file In case the dataset_name _template sav file gets corrupted or lost or the input csv file is different from what provided e g different name a wizard will ask to recreate the template Wizard step 1 shows the file structure and asks to specify the file structure select Delimited 4 ASCII Template INDIA_sample_boxes csv ASCII Templa
3. out by forestry national officers or remote sensing experts this step applies also for land use labels in a second validation process after automatic transformation from land cover to land use The visual interpretation is conducted interdependently on two date imagery to verify and to adjust the labels pre assigned to each segment for the different dates A dedicated stand alone application has been developed for this purpose The application is a graphical user interface called the JRC Land Cover Change Validation Tool The aim of this tool is to provide a user friendly interface with an optimised set of commands to navigate through and to assess a given dataset of satellite imagery and land cover or land use maps and to correct easily the land cover or land use labels as appropriate The present technical document describes the steps for the installation of the tool on a personal computer as well as the detailed features of this dedicated graphical user interface http ies jrc ec europa eu index php page action 42003 http www fao org forestry fra remotesensingsurvey en available at http globalmonitoring sdstate edu projects fao index htm 2 Terms and conditions of use of the Tool The data and products described in this document are subject to a disclaimer notice and a copyright notice Disclaimer Notice Information on the Joint Research Centre JRC products does not necessarily engage the responsibility of the Europe
4. see above including the establishment of at least one link to the JRC Institute for Environment and Sustainability web page in case of reproduction in a web site 3 Reproduction for commercial redistribution Whenever the digital database will be used for commercial purposes a commercial license must be requested to the Joint Research Centre http ies jrc ec europa eu 3 Overview of the Tool A dedicated stand alone application has been developed for visual verification and re assignment of land cover land use labels on sample units of 20 km x 20 km size The visual interpretation is conducted interdependently on two date imagery to verify and to adjust the labels pre assigned to each segment for the different dates The application is a graphical user interface called the JRC Land Cover Use Change Validation Tool The aim of this tool is to provide a dedicated user friendly interface with an optimised set of commands to navigate through and to assess a given dataset of satellite imagery and land cover or land use maps and to correct easily the land cover or land use labels which are recorded in a ESRI shapefile as appropriate The fully automatic and simple navigation through all user sample images makes this stand alone application a key tool in the validation process i e the visual verification and final assignment of land cover land use labels The present technical document describes the steps for the installati
5. the csv file related images are selected using the following criteria Shapefile name without extension 90 f tif same for 2000 and 2005 The operator will assign the desired filename at runtime The reference template is created automatically 4 Jre Validation Tool Tools Legend Help Generate data file csv From available dataset Select data File Close Format of Attribute Tables The data base file associated with the Shape file dbf file has the following structure ID AREA ORG REC 1990 2000 CH 90 00 ORG 05 2005 CH 00 05 1 123456 1020 1220 12 20 1220 10 30 2030 2 78910 1260 1260 20 60 2060 20 60 6060 Not used Not used Not used Not used Used Used Used Not used Used Used ID SHAPE system generated segment identifications AREA indicates the segment area in meter ORG original extended class codes 1990 and 2000 concatenated REC class final codes 1990 and 2000 concatenated 1990 class code 1990 changes if modified during validation 2000 class code 2000 changes if modified during validation CH_90 00 class code 1990 and 2000 concatenated changes if modified during validation ORG_05 original class codes 2005 2005 class code 2005 changes if modified during validation CH_00_05 class code 2000 and 2005 concatenated changes if modified during validation 13 Legend colours and codes The colours class names and associated codes of the legends Land Cover and Land Use are
6. 10 5 4 4 Overwrite all labels of a map classification 0nn0nnonnonnennennennenunnonnnnnrnronnnrrereerrerrerrene 10 94o Prodelined Selec HOM irion e E Eaa ESEE 11 5 4 6 Masking portion of images using classification 00nnaaneannaannnnnennnnnnnnnennnnnnnnnnennrnnrrenrenee 11 2 9 Changing Working Calas Ol erisacsesscereecaeseccsutcuenesvessastoadss ddan Aa Ta OENE EOE ENE ares 12 5 6 Save change to shapefile en en ie ee eee ene eee eee ee ieee ee 12 5 7 Export outlines of images as Google Earth compatible KML file cc cccceccceeeeeeeeeeeeeeeees 12 Annex l file structure and known OOS ct ect get screen cecneccanencenenciorcesaneasneuscosdaceoumcunanenpsaceseecheumisentzeoate 13 Annex ll selected references related to the JRC TREES 3 project ccccseccceeeeeeeeseeeseeeeseees 18 1 Background on the JRC TREES 3 project Research groups at the Joint Research Centre JRC are developing methods for monitoring forest cover resources in a global perspective In particular the JRC TREES 3 project aims at estimating forest cover changes at continental and regional levels for the Tropical belt for the periods 1990 2000 and 2000 2005 2010 based on a systematic sample of forest cover change maps The project is carried out in a collaborative partnership with the Remote Sensing Survey of the Global Forest Resources Assessment 2010 FRA 2010 carried out by the Food and Agriculture Organization of the United Nations FA
7. 16_E074_00_f tif H16_E07 4 H15_E075 N15_E079_90_f tif H18_E078_00_ tif H18_E075 H20_E081 H20_E081_90_f tif H20_E081_00_ f tif H20_E081 H21_E084 H21_E084_90_f tif N21_E084_00_f tif H21_E084 N22_E081 N22_E081_90_f tif N22_E081_ 00_f tit N22_E081 N23_E082 N23_E082 90_f t1if N23_E082 00 _ tif N23_E082 H25_E077 N25 EOP 90 tf tit H25_E077_00_f tif H25_E077 uu O 0D g o A e al 15 The field delimiter has to be set as Comma and it has to be ensured that all nine fields are being detected ASCII Template INDIA_sample_boxes csv ASCII Template Step 2 of 3 Define Delimiter Fields Humber al Fade Par Lire elmiter Between Data Elements White Space Colon Tab Semicolon C Other o Value to Assign to Missing Data i EEENaN a Selected Recordz HOSS EUs H09_E077_90_ He _E077_ O0 NO9_E07 7 shp 2502 H16_EO 4_ 90_f t1 N16_E074_ 00_f tif N16_E0 74 shp H18_E079_90_f tif H18_E078_00_f tif H18_E078 shp H20_E081_90_f tif H20_E081_00_f tif H20_E081 shp N21_E0604_90_f t1 N21_E0 4_ 00_f tif HW21_E064 shp H22_E081_90_f tif H22_E081_00_f tif H 22_E081 hp H23_E082_90_f tif H23_E082_00_f tif H23_E082 shp H25_E077_90_f tif H25_E077_00_f tif H25_E077 shp Cancel z Back Nest gt gt For any field select String as Type and click Finish 24 ASCII Template INDIA_sample_boxes csv ASCII Template Step 3 of 3 F
8. JRC Scientific and Technical Reports yw Wl ia a ana at S Zz Ss z Af P a User Manual for the JRC Land Cover Use Change Validation Tool Tool developed in the framework to the JRC TREES 3 project in support to the Remote Sensing Survey of the Global Forest Resources Assessment 2010 of the FAO Dario Simonetti Ren Beuchle and Hugh D Eva a Jrc Validation Tool Land Cover File Tools Legend Help f r y P 7 Bands s R 5 G 4 z B fa z Stdev 2x Stretch 5 T Select Unselect all iple selection fst 0_ W055_00_18062000_f tif dd mm yyyy d l i Sa E D ae aa 4 op AH 4 Ayt P y sA L a P tw ape mt I Display 2005 dataset a EUROPEAN COMMISSION EUR 24683 EN 2011 EUROPEAN COMMISSION The mission of the Institute for Environment and Sustainability is to provide scientific technical support to the European Union s Policies for the protection and sustainable development of the European and global environment European Commission Joint Research Centre Institute for Environment and Sustainability Contact information Address Via E Fermi 2749 21027 Ispra VA Italy E mail rene beuchle jrc ec europa eu Fax 39 0332 78 9073 http ies jrc ec europa eu global environment monitoring http www jrc ec europa eu Legal Notice Neither the European Commission nor any person acting on behalf of the Commission is responsible for the use which migh
9. O and with many regional or national partners An operational system has been developed by the JRC for the processing and change assessment of a large data set of multi temporal medium resolution imagery Time series of moderate resolution remote sensing data mainly Landsat imagery are attached to each sampling location through a quality controlled standardized and decentralized process For the FAO s FRA2010 RSS exercise the South Dakota State University SDSU produced a global database of multi temporal 20 km x 20 km sample tiles extracted from the USGS GLS archives For the portion of the sample tiles that are not available from the GLS database or have persistent cloud contamination other Landsat imagery or alternative remote sensing data have been used by JRC This global systematic sampling scheme has been developed jointly by FAO and the JRC to estimate rates of deforestation at global or continental levels at intervals of 5 to 10 years FAO is using the tool to work with countries to validate land use and land use change as part of the FRA work The tool s interface makes it easy to label land use changes that are often related to changes in land cover Where there is change from or to forest we are particularly interested in recording what the new land use is and thus collecting information on the drivers of forest loss and gain A methodology has been selected in view of the need to interpret a large set of multi temporal medium reso
10. ailable dataset Generate Google KML From available dataset 12 Annex I file structure and known bugs Input csv file structure The csv input file contains the list of sample units to be validated the corresponding shapefiles and related image filenames It is updated after each session and a backup is created name csv_bkup It is a comma delimited file containing 9 fields Lat_Lon Box90 Box00 Box 05 Classif Validator Date Processed Changed Notes File Naming Convention The results of segmentation and automated labelling are provided as shape files SHP and related files dbf shx prj together with the image files TIF The shape file name indicates the latitude and longitude of the sample unit centre e g e N30_E110 shp similar to the other associated files dbf shx prj The corresponding image files are labelled accordingly indicating in addition the reference year and the acquisition date of the imagery e g N30 E110 90 12121991 f tif reference year 1990 acquired on 12 Dec 1991 N30 E110 00 11112000 f tif reference year 2000 acquired on 11 Nov 2000 N30 E110 05 07012005 f tif reference year 2005 acquired on 07 Jan 2005 Building a new csv file based on existing datasets Using this function is possible to generate a new input csv file based on dataset available in a specified directory a first search based on shp files identifies available datasets to be insert into
11. an Institutions The European Commission accepts no responsibility or liability whatsoever with regard to the material described in this document This material is information of a general nature only which is not intended to address the specific circumstances of any particular individual or entity It is not necessarily comprehensive complete accurate or up to date It is sometimes linked to external products which the Commission services have no control and for which the Commission assumes no responsibility This disclaimer is not intended to contravene any requirements laid down in applicable national law nor to exclude liability for matters which may not be excluded under that law The JRC declines all responsibility for any product or software errors or deficiencies or for any damages arising from them It is our goal to minimise disruption caused by technical errors and we would strongly encourage you to take all possible steps to protect yourself against such disruption and to communicate any errors detected or problems encountered to the contact name provided for this material If errors are brought to our attention we will try to correct them Copyright Notice This document includes information which is made available by the European Commission the Commission The Information is made available in order to enhance public knowledge concerning the activities of the Commission The Information has been supplied by Commission staff and or b
12. atically distributed Landsat extracts Remote Sens Environ 112 5 1969 1981 2008 Eva H D Carboni S Achard F et al Monitoring forest areas from continental to territorial levels using a sample of medium spatial resolution satellite imagery SPRS J Photogramm Remote Sens 65 191 197 2010 FAO JRC SDSU UCL The 2010 global forest resources assessment remote sensing survey an outline of the objectives data methods and approach Food and Agriculture Organization of the UN Rome 2009 Mayaux P Holmgren P Achard F Eva H D Stibig HJ Branthomme A Tropical forest cover change in the 1990s and options for future monitoring Philos Trans R Soc B Biol Sci 360 373 384 2005 Potapov P Hansen M C Gerrand A M et al The global Landsat imagery database for the FAO FRA remote sensing survey nt J Digital Earth 1 1753 8955 2010 Ridder R M Options and recommendations for a global remote sensing survey of forests Food and Agriculture Organization of the UN Rome Italy Forest Resources Assessment Working Paper 141 2007 USGS Imagery for Everyone Timeline set to release entire USGS Landsat archive at no charge Technical Announcement 2010 Available from http landsat usgs gov documents 18 European Commission EUR 24683 EN Joint Research Centre Institute for Environment and Sustainability Title User Manual for the JRC Land Cover Use Change Validation Tool Author s Dario Simonetti Ren
13. e Calculate stretch stats on ADI derived lookup table to the whole image or even to the C Apple stretch 90 O0 image of the other date which is useful e g in cases of clouds or problematic full image statistics t Apply stretch 00 gt 30 5 3 2 Image flickering By clicking with the right mouse button over image 1990 or 2000 it is possible to overlay the two datasets This allows for a better identification of land cover use changes flickering 5 3 3 Image navigation tools The four main display windows the two images and the two classifications are always linked together By using the navigation section it is possible to Polygon coordinates 13 06799 48 92186 Class 30 gt OO OthervegetationCover gt Otherfeq bs a ee r s aA ery ale e zoom and pan trough the images by drawing a Area Of Interest left mouse button or by selecting a predefined square 1 16 1 9 1 4 in the pixel shift options e increase or decrease the current zoom scale and reset to the full extend e shift to any direction by a predefined number of pixels or image section 1 16 1 9 1 4 Pixels shift i a gt of By clicking with the right mouse button over the zoom window it is possible to visualize the localisation of the sample site 5 4 Classification Interaction 5 4 1 Classification overlay In order to facilitate the validation process it is possible to disp
14. f more than one has been selected the reference class is taken from the object at top of the list In the example below the class Tree Cover has been chosen for visualization all other classes have been masked in the image windows of both periods 4 Jrc Validation Tool Land Cover File Tools Legend Help s1 3 E049 90 21061994 _F tif E TREE COVER BURNT COVER er JRC 29 GH TREE COVER MOSAIC EE vVATER EUROPEN COVNIESIOH GS SHRUB COVER GSH CLOUD amp SHADOW OTHER LAND COVER EE NODATA C BARE amp ATRIFICIAL EE UNCLASSIFIED ObLID Class_ID Description ID 198 10 Tree Cover Tree Cover a Undo Recode HREDEFINED SELECTION Validator name z 40 nog All classes ay Class 90 gt OO estore Teva C Change to Tree Cover Mosaic a fae A re C Change from Tree Cover Mosaic C Trees to Trees Mosaic Trees Mosaic to Trees C Unclassified C All changes g R 5 G 4 B 3 Linear 2 x Stretch or Cover l Select t Unselect al Pe a 513 _E049_00 1 7092000_f tif Multiple selection ee te i at FT is PESA e Overlay Selection Pagi hi APE ee sy oi M Overlay Seqments Color White Black Pixels shift Reset iF P A gt E Calculate stretch stats on AOI xi C Apply stretch 90 gt 00 ObLID Class_ID Description C Apply stretch 00 gt 90 10 Tree Cover Tree Cover l Undo Recode Mask unselected class only first class is kept gt Jump to Display 2005 dataset Notes 6 R 5
15. face called the JRC Land Cover Change Validation Tool The aim of this tool is to provide a user friendly interface with an optimised set of commands to navigate through and assess a given dataset of satellite imagery and land cover maps and to correct easily the land cover labels as appropriate FAO is collaborating with JRC in this work under the Global Forest Resource Assessment FRA Remote Sensing Survey JRC has added functionality to the tool to enable labelling of land use classes that are part of the FRA classification The present technical document entitled User Manual for the JRC Land Cover Use Change Validation Tool describes the steps for the installation of the tool on a personal computer as well as the detailed features of this dedicated graphical user interface The authors welcome feedback from potential users of the tool in particular reporting of any potential software issue or providing suggestions for improvements of future versions of the tool 1 D Simonetti worked at JRC under the Specific Contract No 371 implementing Framework Contract No DI 05712 contract signed between the European Commission and the ONE4EU Consortium which includes REGGIANI Spa as contractor Table of Contents 1 Background on the JRC TREES 3 project cc ccccccccccececeeeceeeeceeeeeeeeseeeseeeeseeesseeeseesegeesaeeseeeeaaeess 3 2 Terms and conditions of use Of the TOOL cecceccccecccseeeceeeeeececeeeeeeeeeeeecsaee
16. h and assess a given dataset of satellite imagery and land cover maps and to correct easily the land cover labels as appropriate FAO is collaborating with JRC in this work under the Global Forest Resource Assessment FRA Remote Sensing Survey JRC has added functionality to the tool to enable labelling of land use classes that are part of the FRA classification The present technical document entitled User Manual for the JRC Land Cover Use Change Validation Tool describes the steps for the installation of the tool on a personal computer as well as the detailed features of this dedicated graphical user interface The authors welcome feedback from potential users of the tool in particular reporting of any potential software issue or providing suggestions for improvements of future versions of the tool 19 How to obtain EU publications Our priced publications are available from EU Bookshop http bookshop europa eu where you can place an order with the sales agent of your choice The Publications Office has a worldwide network of sales agents You can obtain their contact details by sending a fax to 352 29 29 42758 20 The mission of the JRC is to provide customer driven scientific and technical support for the conception development implementation and monitoring of EU policies As a service of the European Commission the JRC functions as a reference centre of science and technology for the Union Close to the policy ma
17. ield Specification ame Data Type Name FIELDS A L E FIELDS String String Em Group Group All UnGroup Ungroup All Sample Record FIELD4 FIELDS FIELDE FIELD FIELDS FIELD 1 093 E077 sh 25021990 26102000 1 Cancel E Back Known Bugs On rare occasions it is possible to find black triangles on the classification as seen on the right window in the following image This is due to a simplification of self intersecting polygons into simple and smaller triangles Jrc Validation Tool Fie Tools Legend Help 501_E037_90_25021987_f tif dd mm yyy a R G 4 8B 43 None Stetch T elect al I Muliple selection ree Cover Select Unselect al si 01_E037_00_21022000_F tit dd mm yyyy 17 Annex Il selected references related to the JRC TREES 3 project Achard F Stibig H J Eva H D et al Estimating tropical deforestation Carbon Management 2 2010 Beuchle R Eva H D Stibig H J et al A satellite data set for tropical forest change assessment nt J Remote Sens Review phase Bodart C Eva H D Beuchle R et a Pre processing of a sample of multi scene and multi date Landsat imagery used to monitor forest cover changes over the tropics SPRS u Photogramm Remote Sens In press Duveiller G Defourny P Descl e B Mayaux P Deforestation in Central Africa estimates at regional national and landscape levels by advanced processing of system
18. inear 2 e FF Mutigle selection Tree Cover Select Unselect alll g OS 513 049 00 17082000 fif dd mm yyyy 5 4 4 Overwrite all labels of a map classification If no change or few changes occurred between two dates it is possible to copy all the labels of one date to the other date through the menu Tools gt Overwrite This function can be applied for the whole image or for a specified AOI The skip selected function will overwrite all the labels of one date to the other one whole image except the polygons that are selected Overwrite 2000 classification with 1990 Overwrite 1990 classification with 2000 Overwrite 2000 classification with 1990 AOI only Overwrite 1990 classification with 2000 401 only Shes ules 2000 Flessliesyion en 1990 p selected UNDO is not possible Overwrite 1990 classification with 2000 Skip selected Save shape as 10 5 4 5 Predefined selection PREDEFINED SELECTION f All classes Change to Tree Cover Mosaic In order to make the validation process as efficient and C Change from Tree Cover Mosaic rapid as possible there are different options to display E the classification results C Trees Mosaic to Trees f All changes C Unelassified 5 4 6 Masking portion of images using classification By checking the Mask unselected class option it is possible to hide all portions of the image that do not match with the class specified by the selected polygon i
19. king process it serves the common interest of the Member States while being independent of special interests whether private or national JRG EUROPEAN COMMISSION 9 NdJ 89pZ YN 1 ISBN 978 92 79 18986 9 189279 18986 m Publications Office 21
20. lay the classified polygon outlines over the images by selecting Overlay Segments and to choose among three colour options Color legend colour Overlay Segments Color Black White 5 4 2 Selection of Polygon s It is possible to select polygons in the image or the classification window by using the left mouse button with two options a One polygon at a time or b Multiple polygon selection when the Multiple selection option is checked By checking the Multiple selection option it is also possible to select all polygons in the visible image portion corresponding to a predefined class from drop down list The two options methods can be used in sequence VALID Class_ID Description Bands 5 R 5 G 4 B 3 Linear2 Stretch i gE Pee eye Cover Select Unselect all 51 3_E049_00_17092000_F tif dd mm yyyy Notes 1 by clicking a polygon a second time it will be un selected and displayed in black and removed from the selection list area to the right of the classification window _ l Tree Cover xd Select Unselect all water z r ec Unselect all 2 By flagging the Multiple selection option only polygons entirely contained in the visible image portion are selected 3 all selected polygons will be un selected if any zoom or panning is done 5 4 3 Assigning a new class to a polygon To assign a new land cover use class to selected polygons two step
21. lution satellite imagery The main task is to assess as accurately as possible for each sample unit the forest cover and forest cover change between three dates or along two periods 1990 2000 then 2000 2005 2010 The following steps have been developed for the processing amp analysis of the sample units 1 A5 ha Minimum Mapping Unit MMU has been selected as appropriate for the specific purpose of the global assessment 2 Multi date image segmentation is applied on calibrated and normalised satellite image pairs groups of adjacent pixels that show similar land cover change trajectories between two dates are delineated into objects with a 5 ha MMU 3 Selection of training areas for land cover labelling and production of representative spectral signatures for each land cover class 4 Automatic classification of segments with pre assignment of land cover labels the segments are automatically labelled separately for each assessment date by supervised digital clustering and classification procedures using the set of representative spectral signatures leading to preliminary forest cover maps 5 Visual verification and final assignment of land cover labels visual interpretation will be conducted interdependently on multi date imagery to verify and to adjust the labels pre assigned to each segment for the different dates The analysis includes a crucial final step of visual verification and final assignment of land cover labels which is carried
22. n for more information regarding the csv file structure Jrc Validation Tool Tools Legend Help Select data File Generate data file csv From available dataset Clase 5 2 Interface structure The interface is divided in 3 sections the images on the left the classifications in the centre and the navigation re labelling tools on the right the two windows on top are showing image and according classification from 1990 while the two windows below refer to 2000 The legend is on top right 4 Jrc Validation Tool File Tools Legend Help 513_ 049_90_21061994_f tif dd mm yyyy k D mu a Be Legend GS tree cover 0 TREE cover mosaic E sxrus cover _ OTHER VEGETATION COVER _ BARE amp ARTIFICIAL ObLID Class_ID Description Mask unselected class only first class is kept Polygon coordinates 73 06799 48 92186 et eqetati Bands 6 R fs G fs y 8 fs 513_E049 0 17082000_ bi a mm 999 linear 2 gt ar 2 v lma le etch Te 7 Multiple selection ae shift zj Selection color Cyan Violet a 4At a Re ObLID Class_ID Description 7 Mask unselected class only first class is kept I Display 2005 dataset Previous Next z EE not yet validated Jump to Tree Cover x Select will appear then on top while the 2005 data will be shown below naming terms will be replaced by 2000 2005 or 2000 2010 naming terms 5 3 Options for Display
23. of Satellite Imagery 5 3 1 Image info 13_E049 d E E surr E water E cLouo s sHavow E No oar E oncLassirieo PREDEFINED SELECTION All classes C Change to Tree Cover C Change from Tree Cover Trees to Trees Mosaic Trees Mosaic to Trees All changes Unclassified I Overlay Segments Color C Black C White I Calculate stretch stats on selection Add notes Erase Tree Cover x Undo Recode Validator name Ba JRC When available the image for year 2005 or 2010 and corresponding land cover map classification can be displayed by checking the Display 2005 dataset option The 2000 image and classification In this case all 1990 2000 The user can find the name of the image composed of geographical location reference period and acquisition date on top of the image window The number of bands and the band combination currently used to display the colour composite default is Mid IR Near IR Red corresponding to Landsat TM or ETM bands 5 4 3 are shown at the bottom of the display S13 E049_90_21061994_f tif dd mm ypy For a better image visualisation it is possible at any time to change the RGB band combination by selecting the according bands from a drop down list to choose from the drop down list to the right one of the predefined stretch options to calculate the spectral statistics of a restricted area of one image only AOI select a stretch option and apply th
24. on of the tool on a personal computer as well as the detailed features of this dedicated graphical user interface 4 Installation 4 1 Minimum System Requirements For the best visualization of the tool the screen resolution has to be set up at 1600 x 1200 pixels or finer resolutions In the case of the Laptop version aimed at Laptop computers with smaller screens the screen resolution should be set up at 1024 x 768 4 2 Operating System Windows OS NT 2000 XP Vista 7 32 64 bit UNIX OS the IDL Virtual Machine or IDL software license has to be installed as the version provided with the tool is valid for Windows Operating System only In this case of UNIX OS the software JRC GEM L2 RUN_ Validation Tool sav has to be launched It has not been fully tested by JRC which declines all responsibility for any software errors or deficiencies 4 3 Installation Procedure The LCC_Validation_Tool comes as a stand alone IDL executable package sav running on a distributable version of the IDL Virtual Machine IDL see http www ittvis com There is no need for software installation or configuration 4 4 First execution In order to run the LCC Validation Tool double click the RUN_Validation_Tool exe file located in the main directory click Continue when the IDL Virtual Machine Splash Screen pops up select the appropriate resolution between full medium or laptop resolution F
25. rom the menu option File and Select data file select the provided csv file A test file is located in Test Data Set directory http www esri com library whitepapers pdfs shapefile pdf or http en wikipedia org wiki Shapefile See ITT Visual Information http www ittvis com ProductServices IDL aspx 5 Software overview and features 5 1 Start up By double clicking the LCC_Validation_ Tool exe file you will first have to select 1 the execution mode validation of land cover or land use 2 the resolution that best fits on the available computer screen S Validation Tool 1 Select execution mode LandCover C Land Use 2 Select the appropriate resolution Full resolution 160071 200 Medium resolution 1280 900 Reduced resolution 1024768 Ls a a fm iH ae gem Global Environment Monitoring rs European Commission The graphical user interface will then appear as top screen application Note for JRC sample Units over Africa the legend need to be changed before opening the data file using the more detailed land cover legend used for Africa units Jre Validation Tool Fie Tools iperen Help Visualize detailed legend AFR only Visualize simple legend default dd Through the menu File gt Select data file is possible to load the csv file containing all information regarding the sample datasets the validator has to work with see Annex1 sectio
26. s are necessary 1 First select the destination class from the drop list menu 2 Then click on Recode button below The recoding has to be done independently for the 1990 and 2000 datasets After pressing Recode Class colours and legend are updated accordingly The selected polygons are kept in the display windows and lists In case of errors the Undo button can restore the last recode actions The example below shows the 1990 dataset before and after a few re labelling steps Strub Cover Mask unselected class ony first class is kept PREDEFINED Polygon coordinates 7294475 48 95338 i Class 30 gt 00 Othe eqetationCover gt Water AlI classes T e wh oe C Change to Tree Cover C Change from Tree Cover Trees to Trees Mosaic C Trees Mosaic to Trees All changes Unelassiied Bands e R js z G j4 zl B 3 zi Lines 2 Stretch 5 Tree Cover M Select W Mutiele selection s13_ 043_00_1 7092000_ tf dd mm yyy Tree Cover X Undo PREDEFINED SELECTION ID 190 10 Tree Cover v Mask unselected class only first dass is kept Polygon coordinates 72 94853 48 95289 Class 90 gt OO TreeCoverMosaic gt TreeCoverMo AlI classes yf E ders C Change to Tree Cover ip ete Melati 3b RN S a 8 f A Change from Tree Cover C Trees to Trees Mosaic Trees Mosaic to Trees All changes Bans 6 R G d B bd ji A Stretch k e 5 zl 4 3 zl L
27. saeeeseeeseueesaeeseessueesaees 4 Be OVEN VIEW ON Wine TOO eE seats siontecscanusnaowiee A E E 5 A ANNOY ee E E E E A E E E E E E 5 4 1 Minimum System Requirements ccc ccsccctnotecceseccs otdaledadtedaesdcuaenadarestuvsltatabencsdedaueelensbavdedwecctncatnatell A2 Operaung Sy SION sissies nEn Eee EE e EE r EE EAEE EEST EERE a Nen EEEn 5 4 3 Installation Procedure sscsescinscttsspeiyedseverepier snl nnn aai A EA AE E EE NEANS 5 AA FS EXE CUIO sessir REEERE A AEE ERA a KE OENE nEn 5 5 Software overview and featUreS seiiiccercocncuacsadecewnnwancaat dunautaineialaeedsntedsasunsvenassnndoosienilniedsnvedsetadeursuaddoaniet 6 TNA EE UD sarc N E EEA S EEEE A ET EE AE EE E AE E EEN A E 6 Fs IRS SS T See eater cereale dee dee EE EE EE S 7 5 3 Options for Display of Satellite Imagery ec ceccc cece eeeeeeeeceeeeceeeeeeeeeeeeseeeeeeeeseeeeseeeseeeeaeeess 7 Sere Wal lam gfe 19 ghee ee ene ee ere eee ee ee een ee eee T a AME KO rer e E O E eee ee 8 Odo mage MaVIG ANION 1001S serere rinner EE E oases o lt neewereseeeesendoee 8 5 4 Classification UNE FAC MOI es cssucaaenicaincsencicnnteanseinitrecoy nuceenace mite sane ead S Aaaa 9 541 Classificat Overlay sorire E EEEE e ETEEN 9 5 4 2 Selection of Polygon S sercvenicvcenrenewsenevsiausntaicedienvundvndbacieadsis ddivectadeeseentverkenenddceedsnedserbeveeeccecncues 9 5 4 3 Assigning a new class to a polygon ccc ceccceecc eee eeeeaeeeaeeeeeeeeeeeeeeeeeeseeeseeesseeseeeseeeseeeaeees
28. t Andreas Brink Silvia Carboni Fran ois Donnay Ouns Kissiyar Andrea Lupi Philippe Mayaux Rastislav Ra i Hans Jurgen Stibig Michael Vollmar JRC Global Environment Monitoring unit Pieter Kempeneers Fernando Sedano Lucia Seebach Peter Strobl Peter Vogt JRC Land Management unit Adam Gerrand Erik Lindquist and Remi D Annunzio FAO Global Forest Resources Assessment 2010 Abstract The JRC TREES 3 project aims at estimating forest cover changes at continental and regional levels for the tropical belt for the periods 1990 2000 and 2000 2005 2010 based on a systematic sample of forest cover change maps An operational system has been developed for the processing and change assessment of a large data set of multi temporal medium resolution imagery Sample units of 20 km x 20 km size analysed from with Landsat imagery The main task is to assess as accurately as possible for each sample unit the forest cover and forest cover change between two dates The analysis includes a crucial final step of visual verification and final assignment of land cover labels which is carried out by forestry national officers or remote sensing experts from tropical countries The visual interpretation is conducted interdependently on two date imagery to verify and to adjust the labels pre assigned to each segment for the different dates A dedicated stand alone application has been developed for this purpose The application is a graphical user inter
29. t be made of this publication Europe Direct is a service to help you find answers to your questions about the European Union Freephone number 00 800 6 7 8 9 10 11 Certain mobile telephone operators do not allow access to 00 800 numbers or these calls may be billed A great deal of additional information on the European Union is available on the Internet It can be accessed through the Europa server http europa eu JRC62603 EUR 24683 EN ISBN 978 92 79 18986 9 ISSN 1018 5593 doi 10 2788 18205 Luxembourg Publications Office of the European Union European Union 2011 Reproduction is authorised provided the source is acknowledged Printed in Italy Acknowledgments The JRC Land Cover Use Change Validation Tool has been developed at the JRC by the team working on the TREES 3 project The software code has been prepared by Dario Simonetti when the requirements design and tests of the tool were mainly provided by Ren Beuchle and Hugh Douglas Eva The user Manual was prepared by Dario Simonetti and Fr d ric Achard and reviewed by Rene Beuchle and Hugh D Eva The authors would like to thank all other colleagues from JRC members of the Remote Sensing Survey team of the FAO FRA 2010 project and many National Correspondents and country experts for providing constructive feedbacks and useful information in the development of the tool In particular we would like acknowledge the contributions of Catherine Bodar
30. te Step 1 of 3 Define Data Type Range First choose the field type which best describes your data C Fixed Width fields are aligned in columns f Delimited fields are separated by commas whitespace etc Comment String to Ignore Data Starts at Line i Selected Test File vet nent OU lines Lat_Lon Box90 Boxi Classif Dates30 Datell Processed Changed Ho H09_E077_90_f tif N09_E077_00_f tif H09_E0 7 shp 4502 N16_E074_90_f tif N16_E074_00_f ti1 N16_E074 shp 2510 N18_E078_90_f tif N18_E078_00_f ti N18_E078 shp 2111 N20_E081_90_ tit N20_E081_00_f ti1 N20_E081 shp 1711 N21_E0864_90_f tift N21_E084_00_f tif N21_E064 shp 3110 N2 2_E081_90_f tift N22_E081_00_f ti N22_E061 shp 1711 N23_E082_90_f tit N23_E082 00_f tif N23_E082 shp 1011 Oo Oo in ee e ht t Cancel lt lt Bac Next gt gt The first line is the header containing fields description that is necessary to skip setting Data Starts at Line at 2 ASCII Template INDIA_sample_boxes csv ASCII Template Step 1 of 3 Define Data Type Range First choose the field type which best describes your data Fixed Width fields are aligned in columns f Delimited fields are separated by commas whitespace etc Comment String to lgnore Data Starts at Line 2 Selected Text File Get nert oll lines ORS ae N09_E077_90_f tif H09_E077_00_f tif H09_E077 shp 2502 N16_E074 H16_E074_90_f tif H
31. y organisations in this specific case the partners of the JRC TREES 3 project involved in research and development activities and or in the Commission s programmes the Information Suppliers All title and intellectual property rights including but not limited to trademarks copyrights in and to the information and any copies thereof in whatever form are owned by the Information Suppliers and or by the Commission and or by other parties and are protected by the applicable laws Any trademarks or names being used are for editorial purposes only and to the benefit of the trademark owner with no intention of infringing upon that trademark Except where otherwise noted all document contents are European Communities All rights reserved Product Access and Redistribution 1 Use for scientific use Parts or all of the dataset can be freely used for further use in scientific applications under the condition that the source will be properly quoted in published papers journals or reports By way of an example the Land Cover Use Change Validation Tool should be quoted in the form TREES 3 project European Commission Joint Research Centre 2011 2 Reproduction for non commercial redistribution Reproduction of part or the totality of the products for non commercial distribution e g via the Internet is authorised provided that the user obtains written permission from the TREES 3 project and ensures proper referencing of the source
32. zl G fazl Bi3 Linear 2 Stretch Fa Cover Select Unselect all Previous Next 11 5 5 Changing working dataset To change the working dataset i e the sample unit it is enough to click on the Next or Previous buttons The display in the visualization windows appears in the order following the structure of the csv file In case some datasets have already been validated the Only not yet processed option can be checked to skip them As such only not yet processed datasets will be displayed To go directly to a specified site the Jump to option can be used Previous Ment Jump to Only not pet validated 513 E049 5 6 Save change to shapefile Any re coded object is automatically saved into shapefile when a The Nex or Previous button is click or b Before exporting the active shapefile using the Tool gt Save shape as utility 5 7 Export outlines of images as Google Earth compatible KML file Using the Generate Google KML from available dataset function in the File menu it is possible to generate a Google Earth compatible KML file containing the outlines of the available set of images in the selected folder For better orientation grid lines have been added with a cell size of 5x5km dividing the image extent in 16 equally sized grid cells 28 Jre Validation Tool Land Cover wie Tools Legend Help Select data File Generate data File csv From av
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