GeoCell User Manual - OSGeo Server
Contents
1. 04 18 14 29 4 4 Mensuration TBD 04 18 14 302. Figure 29 Auto Measurement Dialog Box 04 18 14 22 The Configuration tab Figure 29 includes two frames containing parameter controls described as follows e Collection Configuration v Max Matches Patch Allows specification of the maximum number of tie points collected per patch v Use Grid Adapted Detection If checked use OpenCV s GridAdaptedFeatureDetector adaptor Y Grid Layout default 1X1 Disabled if Use Grid Adapted Detection is not checked Allows adaptation of the detector via GridAdaptedFeatureDetector to partition the source image into a grid and detect points in each cell e OpenCV Configuration v Detector Allows selection of the feature detector including the following ORB Oriented FAST and Rotated BRIEF BRISK Binary Robust Invariant Scalable Keypoints FAST Features from Accelerated Segment Test s STAR GETT Good Features to Track MSER Maximally Stable Extremal Region v Extractor or Descriptor Extractor Allows selection of the feature descriptor extractor binary CV_ descriptors only including the following FREAK Fast Retina Keypoint ORB Oriented FAST and Rotated BRIEF BRIEF Binary Robust Independent Elementary Features BRISK Binary Robust Invariant Scalable Keypoints v Matcher Allows selection of the feature matcher including the following BruteForce Hamming BruteForceHammingLUT FlannBased Fast Library for Approximate Nearest Neighbors The
3. 0 00663 0 00015 0 00003 5 15030 0 00510 5 38992 0 00121 6 67994 0 01318 4 61720 0 00769 0 00367 0 00000 total_corr last_corr 3 92032 0 00047 2 71938 0 00052 0 17089 0 00038 3 47040 0 00019 2 52389 0 00057 2 04298 0 00026 3 31785 0 00020 2 38592 0 00085 1 41519 0 00066 00000 00000 00000 00000 10000 00000 00000 00000 00000 10000 00000 00000 00000 00000 10000 initial_std 50 49 50 50 49 50 50 49 50 00000 99998 00000 00000 99999 00000 00000 99999 00000 prop_std 22 22 28 22 22 28 22 22 61567 91156 04424 56157 85947 06490 66972 90460 28 05215 prop_std 25 28 49 42 09838 89526 17639 27970 63471 09394 65931 78122 39727 33730 09936 12279 15264 55560 25599 prop_std 22a 22 22 22 28 22 22 28 61620 90708 28 04453 56179 85459 06496 66964 89936 05243 Observation Corrections n observation a_priori 1 1 28 59735 80 68278 Ground 26 83644 coordinate ere correction geo 28 33215 3 3 28 59890 80 68181 29 76113 Measurement Residuals observation image samp line 1 1 0 1 0 0 1 2 0 0 0 1 Image 1 3 0 0 0 3 d id la 2 A 8 1 ong A 2 2 0 0 0 0 2 3 0 2 0 1 3 1 0 2 0 0 3 2 0 0 0 1 3 3 0 2 0 2 Mean 0 0 0 0 Iteration 2 Parameter Corrections n im parameter a_priori 1 1 intrack_offset 0 0
4. 18 14 21 208 Metric Exploitation Image Summary Point Editor Point Position Mensuration OSSimAdjustmentExecutive Report Thu 02 14 13 15 14 59 Register Images i data Space Coast Test MIBS tif Accept 23 fdata Space_Coast Test po_1756062_pan_0000000 ntf TTA 3 data Space Coast Test 3V050726P0000820271A0100007003410 00574200 ntf i Clear Observations en 1 0 00 nan nan nan WGE 1 4438 9 4367 6 2 2688 0 6996 1 3 1396 8 14513 88 2 0 00 nan nan nan WGE 1 4430 1 4352 6 2 2665 3 6956 9 i Ei 2 DEA il 14470 aA 4 Reset Mode Dismiss Figure 28 Registration Tab 4 3 1 4 Auto Measurement Dialog Box The Auto Measurement dialog box is illustrated in Figure 29 This function utilizes the OpenCV library http opencv org to perform tie point key point in OpenCV terminology matching for overlapping image pairs This tabbed window is composed of two tabs Configuration which allows limited interaction with OpenCV parameters and Collection which provides execution and review of the matching process 3 0 8 Auto Measurement Collection Left button drag to select bounding box for collection Collection Configuration OpenCV Configuration ls IE Max Matches Patch ORB Detector ORB Use Grid Adapted Detection FREAK Extractor FREAK f 1 Grid Layout BruteForce Hamming Matcher BruteForce Hamming Reset
5. point collection ROI can be defined in either image by left button mouse drag action When the mouse drag is complete the image is automatically zoomed to full resolution and the ROI is delineated with an overlay rectangle 04 18 14 23 One the desired ROI is delineated press the Execute button on the Collection tab illustrated in Figure 30 to run the auto measurement process Auto Measurement Configuration a Accept E Run auto measurement process Reset Dismiss Figure 30 Auto Measurement Collection Tab Upon completion of the process the OpenCV Correlation Patch window appears to show the matched point pairs as illustrated in Figure 31 along with ossimTieMeasurementGenerator report in the text window as shown in Figure 32 and Figure 33 0 6 0 Correlation Patch Figure 31 OpenCV Correlation Patch Window 04 18 14 24 OOO Auto Measurement Configuration Collection ossimTieMeasurementGenerator Report Fri 03 14 14 122193 Execute Match resulted in 156 points Distance filter 3 min resulted in 76 points Accept Max dist 162 Min dist 24 Selected top 5 n Gamm ic trainIdx imgidx distance A i 4 12 0 28 0 138 207 183 2 116 92 0 28 0 151 193 200 3 75 16 0 24 0 171 198 219 0 15 0 29 0 105 202 152 5 102 136 0 32 0 128 173 177 Configuration Reset Dismiss Figure 32 Accepted Col
6. 0000 2 1 crtrack_offset 0 00000 3 1 intrack_scale 0 00000 4 1 crtrack_scale 0 00000 5 1 map_rotation 0 00000 6 2 intrack_offset 0 00000 7 2 crtrack_offset 0 00000 8 2 intrack_scale 0 00000 9 2 crtrack_scale 0 00000 10 2 map_rotation 0 00000 11 3 intrack_offset 0 00000 12 3 crtrack_offset 0 00000 13 3 intrack_scale 0 00000 14 3 crtrack_scale 0 00000 15 3 map_rotation 0 00000 Observation Corrections n observation a_priori 1 1 28 59735 80 68278 26 83644 2 2 28 59700 80 68255 28 33215 3 3 28 59890 80 68181 29 76113 Measurement Residuals observation image samp line 1 1 0 1 0 0 1 2 0 0 0 1 1 3 0 0 0 3 04 18 14 initial_meas 2664 9 6957 3 1353 9 14498 8 4429 7 4352 8 27 Post solution summary 2 1 0 1 0 0 2687 2 6996 5 2 2 0 0 0 0 1396 7 14513 9 2 3 0 2 0 1 4438 6 4367 7 3 1 0 2 0 0 2759 6 6786 7 3 2 0 0 0 1 1309 9 14306 7 3 3 0 2 0 2 4466 0 4283 5 Mean 0 0 0 0 RMS 0 1 0 1 ossimAdjustmentExecutive Summary Valid Exec true Nbr Ground Pts 3 Observation Nbr Image Points 9 etrics Nbr Images 3 Nbr Parameters 15 Solution Converged true lteration Solution Diverged false convergence Max Iter Exceeded false formation Max Iterations 7 Convergence Crit 5 0 SEUW Trace Iter 0 1 2 Standard error of unit OPI iteration ER o Additionally the following terminology is used in the summary report provisional estimate of parameter gr
7. 4 Image Summary Point Editor 1mage Lat Image 2 dingle ray Image a A Single ray intersections for each image point data Space_Coast T s Ve A Drop Point 28 597436535473484 80 682915183885 ay 28 069 WGE Kammer 28 597437709576667 80 682819729069180 27 757 WGE 28 597467594193390 80 682986933759864 28 080 WGE Clear Current MSL fulti ray Position HAE ECEF 28 597437761945191 80 682824415205204 DD 27 594 m 2 252 m 907335 4 5530371 1 3034789 5 m Status ERROR_PROP_UNAVAILABLE Reset Mode Multi ray intersection NOT CERTIFIED FOR TARGETING for all image points Dismiss Figure 24 Point Position Tab After measuring the corresponding point in each image press the Drop Point button to execute the intersection point drop The results are written to the summary window These results include individual single ray intersections with the elevation surface and one multi ray spatial intersection using all image rays The display uses the following abbreviations a ES DD longitude latitude in decimal degrees HAE also WGE height above ellipsoid WGS84 MSL height above mean sea level ECEF earth centered earth fixed Cartesian frame 04 18 14 18 4 3 Image Registration The objective of registration is to adjust camera
8. 8 2 intrack_scale 0 00000 3 20288 3 20288 9 2 crtrack_scale 0 00000 3 58490 3 58490 10 2 map_rotation 0 00000 0 00018 0 00018 11 3 intrack_offset 0 00000 5 15540 5 15540 12 3 crtrack_offset 0 00000 5 39114 5 39114 13 3 intrack_scale 0 00000 6 69311 6 69311 14 3 crtrack_scale 0 00000 4 60951 4 60951 15 3 map_rotation 0 00000 0 00367 0 00367 04 18 14 last_corr initial_std each iteration prop_std 00000 25 13001 00000 28 72990 00000 49 55460 00000 42 26942 10000 0 09838 00000 25 89186 00000 31 14816 00000 48 28139 00000 40 63788 10000 0 09395 00000 11 65369 00000 15 80003 00000 38 37173 00000 45 34128 10000 0 09936 26 total corr 3 ave 92079 71886 17051 47060 D2333 04273 31765 38507 41584 last_corr initial_std 3 avr 92079 71886 0 17051 3 47060 2 52333 2 04273 3 31765 2 38507 1 41584 initial_meas 2664 1353 4429 2687 1396 4438 2759 1309 4466 RMS total_corr 9 6957 3 14498 8 4352 8 6996 5 14513 9 4367 7 6786 7 14306 7 4283 5 1 0 1 50 50 50 50 50 50 50 50 50 00000 00000 00000 00000 00000 00000 00000 00000 00000 last_corr initial_std 4 42816 0 00124 6 06469 0 00824 2 06194 0 00092 8 97259 0 00687 0 00599 0 00000 3 45382 0 00379 2 44302 0 00006 3 20447 0 00158 3 57827
9. GeoCell User Manual Version 1 8 18 May 2014 ABSTRACT GeoCell is a stand alone executable program offering a cross platform GUI that exposes OSSIM library functionality This document provides guidelines for operations amp Rodiont Blue TECHNOLOGIES Table of Contents T OV rvie EE 3 Z Basic EEGENEN 4 3 Visual EXPplort ti Miscias naaa 11 A Metric EX DIOILACION MET 16 04 18 14 1 Overview GeoCell is a stand alone executable program offering a cross platform GUI that exposes OSSIM library functionality This document provides guidelines for its operation To verify the software version select ossim geocell gt About ossim geocell and the window shown in Figure 1 is displayed 04 18 14 28209 About GeoCell eoLe Version 1 8 18 Date 20140418 d Support Rodiont BILE TECHNOLOGIES Figure 1 About GeoCell Window 2 Basic Operations This section describes the basic procedures required for general GeoCell operations 2 1 Load Images Images can be loaded either individually or as members of a project file A project file defines file paths and other parameters associated with a group of related images OMAR has the capability to select images and export download a project file along with associated image files including geometry overview and histogram for use in GeoCell 2 1 1 GUI To load an image or project via the GUI select File gt Open Image or File gt Open Project an
10. SG gdal_SATMHGT gda Leveler L milal_Tarragan gdal_ISI 2 gdal_ERS ed PT 4 Export in Background Export Close qdal_AMF gdal_ WMS gdal_GSBG gdal_GS7BG 1A gdal PNM gdal_ENVI medal FHirir Figure 4 Image Export Window 2 3 2 Export Keywordlist Select this menu item to export a standard OSSIM keyword list for the image 2 3 3 Band Selection Select this menu item to choose the desired bands for a multi band image as shown in Figure 5 04 18 14 2082 Dialog Output Bands ei 1 Band a 3 Band a N Band Bands 1 Clear Input Band Selection E N Enable Reset Ok Cancel Figure 5 Band Selector 2 3 4 Brightness Contrast Select this menu item to perform brightness contrast alterations to the image as shown in Figure 6 208 Dialog Brightness Contrast M Enabled Ok Cancel Figure 6 Brightness Contrast Window 2 3 5 Geometry Adjustment Select this menu item to perform manual geometric adjustments to the image using its adjustable parameters as shown in Figure 7 See paragraph 4 3 3 for additional information on saving parameters and the relationship of the window and the topic of image registration 04 18 14 209 Parameter Adjustments Adjustment Selection 0 Adjustment description Initial adjustment Image Source idata Space_Coast Test po_176062_pan_0000000 ntf Name intrack_offset crirack_offset intrack_scale
11. after the first image has been measured clicking on the point header will preposition all images to the corresponding position 4 Any individual image point measurement can be toggled to inactive indicated by red by clicking on the cell The point s symbol will also turn red and it will not be included in the solution 5 Clicking on its column header revisits any tie point As an alternative or supplement to manual tie point measurement press the Auto button to activate the Auto Measurement dialog box f the opencv plugin and associated OpenCV library is not available will be grayed out indicating that it is not available 04 18 14 20 Refer to paragraph 4 3 1 4 for a detailed description of the auto measurement function 08080 Metric Exploitation Image Summary ag Activate Auto New Point Measurement Dialog 3 Optional N Deactivated Point Reset Mode Dismiss Figure 27 Point Editor Tab 4 3 1 3 Registration Tab The Registration tab is illustrated in Figure 28 Upon completion of tie point measurement press the Register button to execute the registration solution A detailed solution report is written to the summary window See paragraph 4 3 2 for a description of the report content Ifthe results are satisfactory press the Accept button to save the parameter adjustments Press Clear to remove the report ignore the solution and perform additional tie point editing 04
12. d choose the desired file using the Open dialog box aS shown in Figure 2 OO Open arr om wll amp 0 data r Q FAVORITES Shared Folder Applications Name Date Modified p e a tosh HD AH Sep 17 2012 iti AM gt APPLANIX Apr 30 2012 7 03 AM Save Project ents gt E DEM Aug 30 2012 8 48 AM Save Project As filoads gt CI elevation Apr 17 2012 12 49 PM Open Project 4 gt 7 elevTEMP Aug 29 2012 8 42 AM gt 7 NGA Anaglyphs Sep 5 2011 6 34 PM Open Image ources ne e gt omar Today 8 08 AM Open JPIP gt O pearl Dec 17 2012 2 36 PM kel data gt QB Sep 7 2012 1 25 PM Temp regTestO2 geocell Sep 19 2012 3 53 PM E B regTest03 geocell Oct 2 2012 9 16 AM 3 er gt _ sanfrancisco Mar 5 2012 9 42 AM LJ ossim_dependencies gt space Coast Jan 3 2013 12 35 PM C7 opt gt spawar Jan 17 2013 8 28 AM Ea Projects gt H test Sep 10 2012 7 53 PM Ec gt E video Mar 14 2012 8 39 PM Zeche gt 0 world states boundaries Mar 10 2012 7 31 PM L SkyDrive gt 0 worldView Sep 19 2012 1 17 PM 7 Google Drive Figure 2 Image Project File Selection 2 1 2 Command Line Project files may be opened via command line in the following manner geocell project path to project file or geocell path to project file gcl with gcl extension Using the example from paragraph 2 1 1 geocell project data regTest03 geocell Or geocell data regTest03 gcl 04 18 14 2 2 Open D
13. ertrack_scale map_rotation Figure 7 Parameter Adjustments Window 2 3 6 Histogram Remapper Select this menu item to perform custom histogram alterations to the image as shown in Figure 8 8 0 8 Dialog law clip percent high clip percent low clip value high clip value mid point output min value output max value histogram file st Test po_176062_pan_0000000 his set histogram file m Enable Reset Cancel Figure 8 Histogram Remapper 04 18 14 2 3 7 Polygon Remapper Select this menu item to draw a polygon overlay on the image Polygon Remapper Add Polygon Mj Enable Disable Polycutter 7 Null Inside Polygon Fill Value Set Fill Figure 9 Polygon Remapper 2 3 8 HSI Adjustments Select this menu item to perform custom hue saturation intensity alterations to the image as shown in Figure 10 808 HSI Remapper Property Editor red yellow green oan blue magenta Gei all hue offset d 0 hue low range hue high range hue blend range saturation offset intensity offset TM D low intensity clip high intensity clip A white object clip 1 Mj enable resetgroup reset all Ok Cancel Figure 10 HSI Remapper Property Editor 2 3 9 Position Information Select this menu item to display a window showing continuous dynamic cursor position information as shown in Figure 11 04 18 14 2 3 10 04 18 14 Figure 11 P
14. isplay Windows After loading image chains must be selected to create the corresponding image display windows With reference to Figure 3 follow these steps to create displays 1 Expand the source entry list by clicking on the small triangle next to Source 2 Select desired sources and right click to reveal pop up menu 3 Select Chains then Affine for raw images or Default or Map Projection for orthorectified images Data Manager Ci Entry 0 data Space amp Ent Ent Chains Default Chains Displays stage e Affine Writers Export Map Projection Jobs swipe mage Normals Delete CT Planetary View Figure 3 Chain Selection 04 18 14 2 3 Image Menu The Image menu includes actions that apply to the current active display 2 3 1 Export Select this menu item to export an image The format of the exported image is chosen from the lt select write type gt dropdown menu as Shown in Figure 4 0080 Export Image General Export Info Width 3164 Scalar Type ossim_uint Height 3784 Bands 1 Approximate Uncompressed Size 11 42 MB lt select writer type gt a File f chelect wriler types K E gasim Tier a cssimJpagWriter Writer Properties cssimzereralFlastariritar cssimMitiW riber G zambbdtMmWrker G sambidfVWrter G samkakachuhltfbdr er G s mbakacdulezwnter tasimPngWiriar gdal_VAT ois GTif gdal_NITF glal_PC Raster gdal_ILWIS gia
15. isplayed as shown in Figure 14 000 Image Combiner Selection Image Combiner ossimBlendMosaic ossimMaxMosaic ossimColorNormalizedFusion ossimLocalCorrelationFusion ossimSFIMFusion l ossimlmageMosaic ossimClosestToCenterCombiner ossimBandMergeSource ossimFeatherMosaic ossimBumpShadeT ileSource assimOrtholmageMosaic assimEquationCombiner assimTopographicCorrectionFilter ossimLandsatTopoCorrectionFilter ossimTwoColorView Figure 14 Combine Selection Window 4 Select desired filter for example an ossimTwoColorvView is created in Chains see Figure 15 04 18 14 12 Figure 15 Two Color Multiview 3 2 Digital Terrain Model Usage 3 2 1 Hill Shade The hill shade procedure allows creation of a pseudo 3D view It is described as follows 1 Load an overlay image and DTM reformatted to raster e g srtm_xx ras 2 Select srtm_xx ras in Sources right click and choose Chains gt Image Normals a A Normals Chain is created in Chains b Expansion of the entry allows manipulation of its filter properties for example the gain of the ossimImagePlaneNormalFilter has been changed in Figure 16 04 18 14 13 v Chains gt M Reprojection Chain Entry 0 data tutorial data gt M Reprojection Chain Entry 0 data tutorial data gt M Reprojection Chain Entry 0 data tutorial data v M Normals Chain Entry 0 data tutorial data elev gt Properties gt Inputs v Filters ossimimageToPla
16. kstation s graphics adapter does not adequately support OpenGL 04 18 14 15 4 Metric Exploitation This section describes the functions related to GeoCell s photogrammetric exploitation capabilities 4 1 Selecting Images The metric exploitation processes are controlled by the tabbed Metric Exploitation window which is initiated from the Exploitation Mode right click menu as shown in Figure 19 Data Manager A A A v Image Folder E Sources b 4 Entry 0 data Space_Coast Test po_17 gt Entry 0 data Space Coast Test 3V050 gt Mf Entry 0 data Space_Coast Test M1BS tif Chains Displays idata Space_Coast Test DC Di sp ay oast Test 3V050726P00 I b parte re Xploitation Mode gt egistration a aaa iai All to Selected 220 Positioning UW Mensuration SES Delete Planetary View Figure 19 Registration Window Selection Prior to selecting the desired operation the applicable images must be selected after first expanding the displays list by clicking on the small triangle next to Displays If no images or too few are selected an error pop up is displayed as shown in Figure 20 200 Minimum number of images required Geopositioning 1 image Registration 2 images Mensuration 1 image Figure 20 Error Pop up for Too Few Images Also the selected image displays must be visible If one or more are not
17. lay its Parameter Adjustments summary window 04 18 14 19 O O Metric Exploitation Point Editor Registration Point Position Mensuration Image Source Type 1 data Space_Coast Test po_176062_pan 00002 0 9 Parameter Adjustments ace_Coast Test M1B amp tif Adjustment Selection 0 Adjustment description initial adjustment Go data Space_Coast Test 3V0S 26P00008202 Image Source data Space_Coast Test 3V050726P000082027 1A0100007003410_00574200 ntf Toggle control image Name Sigma Param Param adjust Value View adjustable parameters Ce intrack_offset 50 0 Kell 0 2 crtrack_offset 50 A 50 3 intrack_scale 50 0 Pen Fe 4 crtrack_scale 50 0 Ss D Reset Mode 5 map_rotation 0 1 0 Pe es D Keep Copy Delete Reset Save Close Figure 26 Image Context Menu An image that does not have a sensor model and or associated adjustable parameter set will be automatically designated as a control image Control status toggling is not available in this case This functionality allows the use of a map or controlled image base in the registration process 4 3 1 2 Point Editor Tab The Point Editor tab is illustrated in Figure 27 Follow these steps to manually add tie points 1 Press the New Point button to create a new table column and increment the current point indicator below the New Point button 2 Measure the current tie point in each image The corresponding table cell will turn yellow 3 For any point
18. lection Report Part 1 OO Auto Measurement Configuration fke y ICI FIU CLOINN Lyla ae 1 47 12 0 28 0 138 Execute 2 116 92 0 28 0 151 3 75 16 0 24 0 171 4 0 15 0 29 0 105 5 102 136 0 32 0 128 Configuration Detector ORB Descriptor FREAK Matcher BruteForce Hamming Patch size 427 367 Grid size 1 1 Fri 03 14 14 12 20 EK Accept suits measurement results Reset Dismiss Figure 33 Accepted Collection Report Part 2 The report includes selected performance measures extracted from the OpenCV process plus a configuration summary The metrics include the following e Total number of points found before filtering e Distance filter particulars e Total number of points found after filtering e OpenCV queryldx and trainldx as well as distance for each selected tie point pair limited by the Max Matches parameter If the correlation result is satisfactory press the Accept button and control returns to the Point Editor tab paragraph 4 3 1 2 where additional point editing can occur if necessary 04 18 14 25 Tie point summary list Adjustable parameter correction 4 3 2 Review Registration Report The summary window shown previously in Figure 28 contains a detailed solution report The report content is described in the annotated example below Number of justabl ossimAdjustmentExecutive Report Tue 02 19 13 10 18 55 SES parameters Images 1 data Space_Coas
19. model error parameters to minimize projection error residuals for tie points appearing in all the images This is notjust a cosmetic bias removal the sensor model is being used and the adjusted error model parameters can be saved for downstream uses Image registration requires the measurement of tie points common to the image overlap areas Based on the differences between the measured and projected point positions selected image parameters are adjusted through a mathematical process known as a bundle adjustment 4 3 1 Register Images The Metric Exploitation Registration tabbed window is composed of three tabs that are described in the following paragraphs 4 3 1 1 Image Summary Tab The Image Summary tab is illustrated in Figure 25 80 8 Metric Exploitation Point Editor Registration Point Position Mensuration Image Source Type 1 data Space Coast Test po_176062 pan_O000000 ntf assimNitfRpcMadel 2 data Space Coast Test M1BS tif ossimQuickbirdRocModel 3 data Space Coast Test 3V050726P0000820271A010000700 ossimNitfRocModel Reset Mode Dismiss Figure 25 Image Summary Tab This tab which is primarily informational provides a convenient view of the images and their associated types A right click context menu is available off the row header for each image as shown in Figure 26 The context menu can be used to toggle the control status of the image indicated by appending a C to the image number and to disp
20. neNormalFilter Y Properties Name Value O class_name ossimlmageToPla Description enabled true 1 0 010791847107 yscale 0 010791847107 autoTrackScaleFlag true gt E Reprojection Chain Entry 0 data tutorial data gt E Reprojection Chain Entry 0 data tutorial data gt E Reprojection Chain Entry 0 data tutorial data v A Normals Chain Entry 0 data tutorial data elev gt Properties gt ossimCacheTileSource gt ossimlmageRenderer gt ossimCacheTileSource gt Inputs v Filters ossimimageToPlaneNormalFilter v Properties Name Value class_name ossimlmageToPla Description enabled true gain 20 xscale 0 010791847107 yscale 0 010791847107 autoTrackScaleFlag true gt ossimCacheTileSource gt ossimlmageRenderer gt ossimCacheTileSource Figure 16 ossimlmagePlaneNormalFi lter Properties 3 Select the map Normals Chain in Chains right click and choose Combine gt Hill Shade c AossimBumpShadeTileSource is created in Chains d Expansion of the entry allows manipulation of its filter properties for example the hill shade light source azimuth and elevation angles are shown in Figure 17 v Chains gt M Reprojection Chain Entry 0 data tutoria gt 4 Reprojection Chain Entry 0 data tutoria e v Reprojection Chain Entry 0 data tutoria H E Normals Chain Entry 0 data tu
21. osition Information Window View scene 56 00 113 00 image 5992 97 6265 16 Lat 28 36 12 9860 N Lon 080 39 17 9770 W Lat 28 603607225001117 Lon 80 654993634510873 UTM zone 17 Easting 533731 109 Northing 3164118 605 MGRS 17ANM3373164119 Height MSL 2 986 Height above ellipsoid 26 883 Geoid offset 29 869 10 3 Visual Exploitation This section describes the functions related to GeoCell s visual image manipulation capabilities 3 1 Image Combiners GeoCell has access to OSSIM s collections image combiners This section provides examples of several of those functions using a raster map and image for clarity 3 1 1 Blend The blend procedure is described as follows 1 Load two images 2 Select both Reprojection Chains in Chains right click and choose Combine gt Blend 3 An ossimBlendMosaic is created in Chains see Figure 12 Figure 12 Image Blend 3 1 2 Feather The feather procedure is described as follows 1 Load two images 2 Select both Reprojection Chains in Chains right click and choose Combine gt Feather 3 An ossimFeatherMosaic is created in Chains see Figure 13 04 18 14 11 Figure 13 Image Feather 3 1 3 Combiner From Factory Use of a combiner not explicitly available in the Combine menu is described as follows 1 Load two images 2 Select both Reprojection Chains in Chains right click and choose Combine gt Select from Factory 3 A selection window is d
22. ound coordinate a_priori prop_std SEUW E i e total_corr total correction for all iterations last_corr correction computed from last iteration initial_std standard deviation of provisional estimate propagated standard deviation Standard error of unit weight At a top level the following factors generally indicate an acceptable solution 1 Solution converged as illustrated in the example above 2 Decreasing stabilized SEUW 3 Reasonable corrections to adjustable parameters and ground points 4 3 3 Save Adjusted Parameters The adjusted parameters may be saved in the standard OSSIM geometry file format geom by using the Parameter Adjustments 04 18 14 28 window referenced in paragraph 4 3 1 1 This action is selective that is each image parameter set must be saved independently using the Save button as shown in Figure 34 The adjustment is also labeled with the date and time 08086 Parameter Adjustments Automatic Adjustment Selection 0 adjustment label Adjustment description GeoCell_SMar13_13 02 55 Image Source data Space_Coast Test 3V050726P0000820271A0 100007003410 00574200 ntf Name Sigma Param Param adjust Value 1 intrack_offset 50 0 n en 3 23524 2 crtrack_offset 50 1 Ft 23 1546 3 intrack_scale 50 0 st Fe 0 811727 4 crtrack_scale 50 0 Fe 14 7484 5 map_rotation 0 1 0 0 000490582 Save OSSIM geometry geom file
23. t Test po_176062_pan_0000000 ntf 2 data Space_Coast Test 3V050726P0000820271A0100007003410_00574200 ntf 3 data Space_Coast Test M1BS tif Observations 1 0 00 nan nan nan WGE lt Fi ot Tie point ground coordinates S SECH EE Sine nan indicates uninitialized pa a actual coordinates indicate 3 4429 7 4352 8 ted f SC 2 0 00 nan nan nan WGE generated from Control image 1 2687 2 6996 5 2 1396 7 14513 9 3 4438 6 4367 7 3 0 00 nan nan nan WGE 1 2759 6 6786 7 2 1309 9 14306 7 3 4466 0 4283 5 Iteration 0 Measurement Residuals observation image samp line initial_meas etd ae pack 1 1 13 6 8 9 2664 9 6957 3 Initial iteration 0 image 1 2 9 4 4 7 1353 9 14498 8 ace discrepancies 1 3 7 8 cb 4429 7 4352 8 residuals 2 e 43 7 9 3 2687 2 6996 5 2 2 9 1 4 1 1396 7 14513 9 2 3 7 7 5 4 4438 6 4367 7 3 L 13 1 8 7 2759 6 6786 7 3 2 9 0 4 1 1309 9 14306 7 3 3 7 9 2540 4466 0 4283 5 Data summary subgroups repeat for Mean J p p Iteration 1 lt Parameter Corrections n im parameter a_priori total_corr 1 1 intrack_offset 0 00000 4 42692 4 42692 2 1 crtrack_offset 0 00000 6 07293 6 07293 3 1 intrack_scale 0 00000 2 06101 2 06101 4 1 crtrack_scale 0 00000 8 96572 8 96572 5 1 map_rotation 0 00000 0 00600 0 00600 6 2 intrack_offset 0 00000 3 45761 3 45761 7 2 crtrack_offset 0 00000 2 44296 2 44296
24. torial d vM ossimBumpShadeTileSource gt Properties gt Inputs v Filters Y ossimBumpShadeTileSource v Properties Name See Value class_name ossiml Description enabled true lightSourceElevationAngle 45 lightSourceAzimuthAngle 45 gt ossimBandSelector L b assimHistoaramRemanner E Figure 17 Hill Shaded Map 3 3 Planetary View Planetary view provides the capability for advanced 3D viewing Activation of this view is described as follows 1 Load image s of choice 2 Select all in Chains right click and choose Planetary View from context menu 3 Press lt Select Syncing gt and select Full 04 18 14 4 Image Viewer map or image display and control Left click roam induces synchronized motion in all displays including the Planetary Viewer Wheel moves image up down Shift wheel turn Zooms in out 1 Planetary Viewer display and control Note that both images appear mosaicked Left click roam moves image within display window Right click roam zooms image within display window Middle click roam not wheel turn induces eye point motion v up down raises lowers look angle v right left rotates azimuth Hot keys reset v lower case u rotates back to north up v upper case U resets eye view to nadir At higher look angles relief should be visible in background 28 9 Planetary Viewer roy Figure 18 Planetary Viewer Note that the Planetary Viewer may fail if the wor
25. visible an error pop up is displayed as shown in Figure 21 If this occurs the right click context menu provides the required Show selection as shown in Figure 22 04 18 14 16 First select Show on all selected displays OK Figure 21 Error Pop up for Show Images Displays data Space_Coast Test po 5t 3V050726P00008202 data Space_Coz Display b ESS ASE Sync All to Selected Writers Jobs Delete Planetary View Figure 22 Show Displays Selection All metric exploitation components are controlled via the Metric Exploitation window as shown in Figure 23 Its tabs are active based on the selected mode with the Image Summary tab always active The Dismiss button hides the window but maintains the mode The window can be revealed again by reselecting the mode or by clicking in the Data Manager area and pressing the s key The Reset Mode button resets to the no mode state and removes all measured points DCH Metric Exploitation Tabs selectively activated based on alal TY VON NG TATIC 1TIUVU ossimNitfRpcModel oassimQuicl LA Tab always WII active 1p Reset Mode Dismiss Figure 23 Metric Exploitation Window 04 18 14 17 4 2 Geopositioning This section describes geopositioning component of metric exploitation The point positioning function is NOT CERTIFIED FOR TARGETING The Point Position tab is illustrated in Figure 2
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