Surveykshak 3.0 Standard Operating Procedure PDF

Page 1 SURVEYKSHAK 3.0 by MIL SVY S A Standard Operating Process M of Surveykshak 3.0 customised under CAMS, Mil Svy CA Supervised by Maj Gen Girish Kumar...

Page 1 SURVEYKSHAK 3.0 by MIL SVY S A Standard Operating Process M of Surveykshak 3.0 customised under CAMS, Mil Svy CA Supervised by Maj Gen Girish Kumar February 8, 2018  Page 2 SURVEYKSHAK 3.0 Author: Sub DC Sharma and Sachin Kumar Supervisor: Lt Col Suman Kumar Sarkar S M CA  Page 3 Abstract The abstract of your thesis goes from here. Key Words: S M CA  Page 4 S M CA  Page 5 Acknowledgements I’d like to extend my special thanks to. S M CA  Page 4 Contents INTRODUCTION.................................................................................................................. 1 CAPABILITIES....................................................................................................................... 1 INPUT DATA........................................................................................................................ 1 INSTALLATION OF SURVEYKSHAK........................................................................................ 6 OPENING OF SURVEYKSHAK.............................................................................................. 47 S M CA  1 SURVEYKSHAK 3.0 Introduction 1. An open source GIS software has been customized as ‘SURVEYKSHAK’ GIS Software, Desktop version 3.0, to meet the requirement of Defence forces on the pattern of newly designed Defence Spatial Data Model Structure (SDMS) for Defence Series Maps. S M CA  2 Capabilities 2. The s/w has fwg major capabilities:- a) To open digital topographical data and display as per Mil Coordinate system along with DSM sheet numbering, datum (WGS-84) Projection System (LCC), Grid (LCC) and file format (.shp). b) Display of digital data in appropriate cartographic symbol of the features as depicted on hard copy map (NOT AVAILABLE IN ANY OF COTS S/W). c) Pan, Zoom, Identified, Refresh digital data. d) Vertical tiling of the digital data (Raster & Vector) as per zoom scale. e) To handle geo-referenced digital satellite imagery/ scanned topo maps. S f) Capturing/ readout of co-ordinates in the terms of Lat/Long or 10 fig GR. g) Adding/ placing pt feature with the help of list of coordinates in the database/file. h) Editing/updation of spatial data/features, if reqd. i) Digitization of overlays as reqd by Engr Regt. j) Creating of new features class i.e point, line & polygon along with attribute tables. k) Grouping of feature classes. M l) Addition/ alteration/ updation of attribute data. m) Creating of new attribute table. n) Hyper-linking of photographs with features in attributes table. o) Simple Query. Finding a feature with known attribute eg :- i. Show the loc of bridge with cl. ii. Display the rd from Tawang to Tsona Dzong iii. Show the bottle necks on the rd with width less than 3m. iv. Highlight the Headworks with min disch rate of 100 cusec. v. Show all the hospitals with surgical facility. CA p) Distance measurement. q) Route/network analysis. r) 3D capabilities in Surveykshak 3D. s) Spatial Queries. Finding a feature at given distance with respect to another feature:- i. Show all the helipads along the rd within 5 Km. ii. Show all the bridges of cl-24 along the given rd. iii. How many stream crossing the rd with more than 5 mtrs.  3 t) Buffer Zone Analysis.Buffer Zone analysis around a feature i.e searching a feature with respect to another feature by creating a zone around a feature of a give distance and analysis another feature inside the zone by filtering attributes:- i. How many helipads/hospitals. ii. How many bridges width < 3mtrs. iii. How many convoy grnd inside the zone. u) H/ W Requirement. Can run on any desktop PC/wkstn (for best performance : recommended Window 10 x64 Operating System, i3processor with 4GB RAM and 2GB Graphic Card). S M CA  4 INPUT DATA 3. Fwg are the input data for SURVEYKSHAK GIS: a) Digital map data in shape files (*.shp). b) *.qml files for Symbology definition. c) Projection parameters *.prj file of the respective zone. d) Satellite imageries/ Topo scanned map (Geotiff). S e) GPS data (points) coordinates.txt/.csv file. f) DEM for 3D anaylysis.. M CA  5 INSTALLATION OF SURVEYKSHAK 3.0 4. Copy Surveykshak 3.0 folder in your PC. S 5. Now open the Prerequisite folder to install additional software. M CA 6. First install NetFrame as required by your Operating System. 7. Open Terra Explorer folder and click Terra Explorer.exe  6 8. Click Next then click Yes to accept terms and conditions and Fill user name and company name and click Next > Next > Install. 9. Once the installation complete click Finish. 10. Copy Terra Explorer license file and paste into C:\Program Files (x86)\Skyline\TerraExplorer Pro folder. If ask for overwrite click Yes. 11. Open License Manager folder and click License Manager.exe to generate SID file of your system. S M CA 12. SID field will be generated automatically. Fill your organisation name and address and click Generate SID. Browse the folder where you want to save the SID file. 13. Send the generated SID file to CAMS to get license file for your PC. License will be generated b y CAMS named SAAS 2D.lic. 14. Open 64-bit folder and double click on Surveykshak.exe to install. 15. Check box of Create a desktop shortcut as above and click Next and click Install.... 5 16. Once the installation complete click Finish. 17. Now copy the license file to C:\Program Files\Surveykshak3.0,overwrite if asked for. S M CA  6 OPENING OF SURVEYKSHAK 3.0 18. Click on Surveykshak 3.0 on desktop, a window will be opened. S 19. Click on Surveykshak 2D to open the application. Application will open like this. M CA  7 ADD VECTOR LAYER 20. Click on Layer > Add Layer > Add Vector Layer. A dialogue will open. S M 21. Click on browse to select the file to open and click Ok. Display of file will be shown as below. CA  8 S DSM ZONE, GR LETTER, LONGITUDE AND EASTING, NORTHING & M LATITUDE SHEET NUMBER 22. Above you see a new UI showing DSM Zone, GR and DSM sheet number along with Longitude and Latitude. CA  9 ADD RASTER LAYER 23. Click on Layer > Add Layer > Add Raster Layer. A dialogue will open. S M 24. Browse the raster file and click Ok. Display of raster will be displayed. CA  10 CREATE NEW VECTOR LAYER (POINT, LINE AND POLYGON) 25. Click on Layer > Create Layer > New Shapefile Layer. A dialogue box will open. S Select coordinate system of AOR Add attribute field of feature M CA 26. Select the type of layer want to create then select coordinate system and create attribute fields. Click Ok , a dialogue box open to Save the layer. Enter name of layer and Click Save. 27. Similarly Line and Polygon layer can be created.  11 EDITING ATTRIBUTE TABLE 28. To edit a attribute table in terms of adding or deleting column right click on layer and select Open Attribute Table, a window will open. 29. Click on Toggle editing. S TOGGLE EDIT CREATE NEW FIELD M DELETE EXISTING FIELD IDENTIFY AND EDIT EXISTING DATE IN ATTRIBUTE TABLE CA 30. To identify the feature attribute Click View > Identify Features and click on a layer in canvas. A window will be opened showing attributes of layer. View Feature Form 31. Click on View Feature Form to open attribute table in tabular form. A dialogue box will open as shown below.  12 S M 32. Click on Toggle Edit button to edit attribute table data. Click Ok to save changes. CA  13 FEATURE DIGITISATION 33. To digitized a existing feature, select the layer in Layer panel and activate the toggle editing button. S Add Feature M 34. Click Add Feature and start digitizing the feature. To end the feature digitization right click the mouse button, a attribute table form appear, fill the desired values and click Ok. To save the feature click Toggle edit button and select Save. CA  14 GROUPING OF FEATURE CLASS 35. Features can be organised as per SDMS categories of user requirement. Select the layers in layer panel and right click mouse button. Select Group selected, a group will be created with name Group1. Right click on Group name and select rename to give desired name. S M CA  15 VERTICAL TILING 36. Layer can be seen at defined zoom level by setting viewing scale. It helps to see the layer as per importance of zoom scale to avoid crowding of feature at all zoom scales. a) In layer panel right click on layer select Set Layer Scale Visibility, a new window will open. b) Check Scale visibility box. S Layer will be visible only between 1:250,000 to 1:2,500 scale. Mc) Set Minimum and maximum visibility and click Ok. CA  16 SETTING OF COORDINATE REFERENCE SYSTEM (CRS) : LAMBERT CONFORMAL CONIC (LCC) 37. Military Survey provides *.prj files for map coordinate system along with the shape files. In case there is a need to generate a new projection parameters then procedure has been explained in following steps. S 38. Go to Settings > Custom Projections. A window will be opened. M CA 39. Copy existing coordinate system.  17 40. Now fill the values from prj file in Parameter shown below and give name in Name field. The detailed parameter defined below. S M    +proj=lcc +lat_1=30* +lat_2=62* +lat_0= 0 : Projection : Standard Parallel 1 : Standard Parallel 2 : Latitude  +lon_0= 105* : Longitude CA  +x_0=0 : False Easting  +y_0=0 : False Northing  + Datum = WGS84 : Ellipsoid Datum  +unit=meter : Measuring unit  +no_defs * For security purpose parameters mentioned above are fictitious and do not belong to any grid zone but the user should enter correct parameters as per map sheet zone.  18 SELECT COORDINATE REFERENCE SYSTEM FOR PROJECT 41. Project Project Properties 42. Click on CRS. Select LCC Zone Name and click Ok. S M HYPERLINK PHOTOGRAPH WITH FEATURE. CA 43. Select layer in Layers panel and right click to get into properties. A window will open. 44. (a) Select Attributes Form and select field for hyperlink like photograph under Available widget  19 (b) Select widget type - Attachment and Default path for photo/image to hyperlink 45. Now select Actions click on sign + Select Open in front of Type, Enter Description - Open, select all Action Scope, Select Field Photograph and click on insert. S M (d) Click on OK. and OK. CA 47. Now open the feature attribute form and see the changes in front of photograph. A browser link appears. Browse the photo you want to attach with the feature by activating toggle editing. After that get the feature information you will see the photo under attribute table. Simple Query: 47(a) (i) Right click on the feature in Layer panel and select open attribute table (ii) Attribute panel will open  20 S 47(b) (i) Click on Show All Features-->Field Filter-->fieldname(Vill_Name) M (ii) Enter required first one or two latter in front of vill_Name = ka and press enter in key board. CA (iii) Select required row and click on Zoom to selected row icon Buffer Zone creation: 47(c) Got to Processing-->ToolBox, Toolbox will open Enter key letters in key board buffer  21 47(d) Double click on Buffer a window will open, Enter Distance like 500 (mtrs) and define buffered layer name and path. S M Note : (i) To create buffer on selected feature. Go to Layer panel select Layer e.g. Roads, click and select that feature Select Layer like Roads, check on box - Selected features only. select tool (ii) Filter query and save a required feature the select it in input layer. 47(e) Buffer will be created and we can set transparancy CA  22 SHORTEST PATH:ROUTE ANALYSIS S 48. To find the shortest path. Click on Processing > Toolbox. In search bar type “shortest”. Three options are available under Network Analysis. a) Shortest path (layer to point) Mb) c) Shortest path (point to layer) Shortest path (point to point) 49. Here we use shortest path (point to point) to get shortest path between two points. Double click on (c) option. A window will open. CA 50. Under Vector layer representation network select network layer. Click on... to mark the start point on map canvas, as you click over map canvas x and y values are filled. Similarly choose end point.  23 51. Select Path type to calculate. User can fill the optional advance parameter and click Run. You will get new layer in layer panel with name shortest path. Change the style of layer shortest path. GPS LIVE TRACKING 52. GPS software should be installed on your system to use this. Click on View > Panel > GPS Information panel. A window will open. 53. With a plugged-in-GPS receiver (has to be supported by your operating system), a simple click on [Connect] connects the GPS to Surveykshak. Second click to [Disconnect] disconnect the GPS receiver S from your computer. You first have to configure gpsd properly to connect Surveykshak to it. M CA 54. Click Connect.  24 PLUGINS 1. Some additional functionality of Surveykshak are added as plugin. Following plugins are used: a) Auto saver b) Density slicing c) GR Converter d) SAAS 3D S e) Zoom to Coordinate M CA  25 AUTOSAVER 2. Enabling Auto saver, it save current project and layers in edit mode in defined time interval. S M CA  26 DENSITY SLICING 3. Density Slicing is a digital data interpretation method used in analysis of remotely sensed imagery to enhance the information gathered. Density slicing is done by dividing the range of height values in a single band into intervals, then assigning each interval to a color. S M CA  27 GR Converter 4. It is very useful tool to convert GR of Poly Everest into GR of Defence Series Map. 5. To open GR Converter, go to Plugin > GR Converter > GRConverter, a window will be open. Go to Utilities  DSM GT To ESM GR and vice versa. S 6. Enter parameters as below and click on OK. M CA 7. Similarly DSM to ESM conversion can be done  28 Surveykshak Advance Analysis System 3D 8. To open Surveykshak Advance Analysis System (SAAS) 3D from Surveykshak 2D platform directly. Zoom To Coordinates S 9. This plugin is used to Zoom to desired GR by entering value. 10. To open this go to Plugin > ZoomToCoordinates > ZoomToMGRS. A window will be opened. Click here to zoom to M place. CA 11. First enter Topo sheet number, Zone will be selected automatically, then enter grid letter, after that enter Easting and Northing. Click convert. Value in Longitude and Latitude appear in respective columns. Click on Pan to Icon to zoom to that place.  29 Video UAV Tracker 12. This plugin is used to Replay a video in sync with a GPS track displayed on the map and extract georeferenced frames for rapid photogrammetry use. 13. To use this Syncing : Create new project > Select video and.gpx track (1 trkpt per second). Identify first couple Frame/GpsTime and select it. Push Synchronize > Push Start Replay > Move on map > Create associated DB shape file > Add POI with associated video frame saved > Extract frames with associated coordinates for rapid photogrammetry use. S M CA  30 Update Attribute 14. This tool is used to update attributes of feature without selecting. No need to search manually. 15. Go to Vector > UpdateAttribute > UpdateAttribute. A window will open. S M CA a) Click on Layer to select feature layer want to update. Select Field which you want to update. b) Identify the feature by Old Attribute value. Click on Select Feature. c) Now select the field in which you want to fill the data in ‘Field to write the new value’. d) Enter New Attribute value and click Write value to chosen field, then click Save Changes. To exit Click Exit.  31 SURVEYKSHAK 3D OPENING SURVEYKSHAK 3D 1. Surveykshak 3D can be invoked from the plugin provided in Surveykshak 2D. To open Surveykshak 3D from Surveykshak 2D, go to Plugin > Surveykshak 3D > Open Surveykshak 3D. S 2. A new Surveykshak 3D window will open showing Earth globe. M CA 3. To load an existing Project, Click the Project button, and then click Open. The open dialogue box is displayed. 4. Enter the file name, browse to an existing.fly file in your system. At any point while loading a Project, you can hit the ESC key to abort. 5. Click Project > Save to save an project.  32 Navigation controls 6. The navigation controls enables you to rotate, tilt or zoom in or out of the terrain, free fly in the 3D world and change the camera tilt and plane direction. S Navigation Control Description M 1 Tilt Slider Move the tilt slider to change the plane tilt. 2 Joystick The virtual joystick enable to free fly in the 3D world in an Intuitive manner, similar to real life flying. With the virtual joystick you can fly backward, forward and sideway. 3 Compass ring Click and turn the compass ring to change the plane direction. 4 North Indicator Click the N indicator in the compass ring to turn CA the plane to face North. 5 Zoom Slider Click and drag the elevation slider to zoom in and out. You can also click the globe, country, state, city and street level. Status Bar display 7. The status bar display the information of DSM MGRS(Military Grid Reference System) Longitude, Latitude, Elevation and Altitude on mouse move.  33 Center Sign 8. Center sign shows the center of the selecting location on the 3D map. S Scale Bar 9. Scale is the scale represents the relationship of the distance on the map data to the actual distance M on the ground. Map detail is determined by the source scale of the data Date and time slider CA 10. The date and time slider enables you to modify the current date and time so you can view area of terrain in the date and time range. Date and time slider view at top left corner of the 3D window.  34 Graphic HUD 11. A head-up display also known as a HUD—is any transparent display that presents data without requiring users to look away from their usual viewpoints. Although they were initially developed for military aviation, HUDs are now used in commercial aircraft, automobiles and other, mostly professional applications. 12. Graphic Head up Display S M 13. The graphic Head up Display features the following elements: Element Description CA Leftmost Number Display the speed of the plane in the selected units. Rightmost Number Display the altitude of the plane in the selected units Center Sign Indicates the center of the view Top Bar Display the direction of the plane The triangle points in the plan’s direction Mian Bar The columns on both sides display the tilt level and the roll level, for the camera.  35 Measure Tab Horizontal Distance Tool. 14. The Horizontal Distance tool allows you to measure the horizontal distance, elevation difference and slope between two or more points. Note that the horizontal distance does not account for the elevation difference between the points of measurement. S a. To use the horizontal distance tool, On the Measure tab, click Horizontal. b. In the 3D Window, click any point on the terrain or on an object to define the start point. c. Drag the cursor to the next point and click again. d. Repeat step 3 to add as many segments as required. e. Right-click to finish the measurement. M f. If you want to obtain measurements between any two or more points in the terrain, with the Horizontal Distance tool selected, repeat steps 2-5 above. Surface Distance Tool 15. It is quite probable that for some of our analysis we will need to include the distance between two CA given points, measured in a straight line. We will need to value if we need to take into account the topography of the study area to calculate this data. 16. This consideration is necessary as, depending on the terrain that we are working on, the difference between the measured distance without taking into account the relief and 3D distance can be pretty large. In the chosen area to reproduce this example, this difference is 150 meters approximately in a straight line distance that is around 10.5 km. 17. To use the surface distance tool, On the Measure tab, click Surface distance. 18. In the 3D Window, click any point on the terrain or on an object to define the start point Drag the cursor to the next point and click again. Repeat step 3 to add as many segments as required. Right- click to finish the measurement. Aerial Distance Tool  36 19. The Aerial Distance tool allows you to measure the aerial distance, elevation difference and slope between two or more points. The aerial distance is the actual distance between the points. 20. To use the Aerial Distance tool, On the Measure tab, click Aerial. In the 3D Window, click any point in the terrain or on an object to define the start point of the measurement. A yello w line extends from the start point. Drag the cursor to the next point and click again. Repeat above step to add as many segments as required. Right-click to finish the measurement. 21. If you want to obtain measurements between any two or more points in the terrain, with the Aerial Distance tool selected, repeat steps above. S Vertical Difference Tool 22. The Vertical Difference tool allows you to measure the vertical difference between two points by selecting the first point and dragging the ruler up to the desired position. 23. To use the Vertical Difference tool, On the Measure tab, click Vertical. In 3D Window, click any point M on terrain or on an object to define the start point of the measurement. A yellow line extends from the start point. Drag the cursor to the next point and click again. 24. If you want to obtain measurements between any two or more points in the terrain, with the Vertical Distance tool selected, repeat steps above. If you want to close this tool, on the Measure tab, click Vertical. Terrain Area Tool CA 25. Using the Terrain Area tool, you can measure the following for a defined area on the terrain: a. Area of the horizontal Projection (2D measurement) - The area measured is the horizontal Projection of the area you have outlined, even if some or all of your selected area encompasses mountainous terrain. b. Surface area (3D measurement) - The area measured takes into account terrain contours. 26. To use the Terrain Area tool, On the Measure tab, click Vertical. In the 3D Window, click any point on the terrain to define the start point of the measurement. A Red line extends from the start point. The line turns white after the third click if a valid selection Area was drawn, indicating that you can then right-click and obtains the required measurement. Drag the cursor to the next point in the required area and click again. 27. Repeat step above as many times as necessary to set the required area for measurement. A minimum of three points must be selected. 28. Note: If the boundary line of the measured area crosses itself, it turns  37 S 29. If you want to calculate the surface area of the selected region taking into account terrain contours, do the following: M a. Select Terrain surface. In the Sample interval field, type the desired distance between terrain sample points. Click Calculate. The area and perimeter of the selected region taking into account terrain contours Area calculated and then displayed in the open dialog box. 30. Note: Calculation time depends on the size of the selected region and the sample interval. CA  38 Altitude type 31. You can change the Altitude type used throughout Surveykshak 3D. Changing the Altitude type settings substantially changes the display of your Project. 32. To change Altitude type, On the Measure tab, click the Altitude Type group. Parameters Description S Altitude Unit Above Ground Level (AGL) Display altitude value as meters above the ground level in the selected coordinates Absolute values Display altitude value as meter above the terrain database vertical datum base M ellipsoid. Loading Layers Loading Feature Layer 33. Surveykshak 3D handles differently layers that are loaded from.SHP and KML files, and is therefore to perform layer level and spatial operations on their features. CA 34. Click on Layers Tab, and select Load Feature Layer. The Browse for Feature layer dialog box opens. Layers can be loaded from the following feature files: a. Shape:.shp b. Microstation DGN c. Comma separated values : CSV d. Surveykshak 3D Project:.fly e. Google Earth:.kml.kmz 35. Note: If you want to restrict your Browse list to files of a specific format, in the Files of type field, select the required format. 36. Browse to the required file and select it. Click Open.  39 S Loading Imagery Layer 37. Imagery layer is a geo-referenced, satellite or aerial image that overlays the terrain imagery. The Imagery Layer feature enables the user to add unlimited size, geo-referenced, satellite and aerial images directly to a SAAS project. M 38. Click on Layers Tab, and select Load Imagery Layer. The Browse for imagery layer dialog box opens. Layers can be loaded from the following feature files a. MrSid (.sid) b. ERDAS Imagine (.img) c. Image files (Tif, Tiff,.gif,.Jpg) d. Gridded data files(.GRD) e. Action Script files (.ASC) CA f..PIX file g. Windows Bitmap h. Image MPU i. Mip Terrain (.mpt) 39. Browse to the required file and select it. Click on Load button Loading Elevation Layer 40. Elevation layer is a geo-referenced elevation raster that replaces the elevation data of the terrain  40 database. The Elevation Layer feature enables the user to add unlimited size, geo-referenced elevation data directly to a Surveykshak 3D project. The file can be of better resolution than the area on which it is placed. Automatic morphing between the terrain imagery and the Imagery Layer is performed. A source file that has multiple resolution levels is visible from higher al titudes. 41. Surveykshak 3D user is always provided with a default terrain for visualization and the respective administrator shall provide a detailed terrain pertaining to the respective users Area of Responsibility (AOR). 42. Following are the different formats supported. a. MrSid (.sid) S b. Window Bitmap c. Gdal Gif d. Gdal jpeg,jpeg2000 e. Mip Terrain f. Image MPU M g. ERDAS Imagine (.img) h. Tiff format, i. j. Gdal Tiff format DTED k. Digital elevation model (DEM) 43. Browse to the required file and select it. Click on Load button. CA  41 Other Analysis Functions 44. Slope Map a. The Slope Map creates a slope map on the terrain that can show degree (steepness) and/or aspect (direction). The terrain is colored according to degree of slope, and arrows display the direction of the slope. The color map and arrows can be applied to a specified rectangular S area or to the entire terrain. You can use one of SAAS's slope palettes or create your own. After the slope map has been created, a slope map object is added to the Project Tree. 45. Using the Slope Map Tool a. To use the Slope Map tool, On the Analysis tab, in the Terrain Analyze group, click Slope Map, and select one of the following options: M i. Slopes Color Map - Apply palette colors to the terrain according to degree of slope. ii. Slope Directions - Display on terrain arrows indicating the direction of the slope. iii. Slope Color Map with Directions - Display both slope colors and arrows indicating slope direction. b. In the Slope Analysis Property sheet, in the Appearance section, in the Coverage Area field, select the coverage of the contour map: CA i. Rectangle - A designated rectangular area. ii. Entire Terrain - The entire terrain. c. If you set the Coverage Area field to Entire Terrain, skip to step (g). d. If you set the Coverage Area field to Rectangle, do the following: e. Place the cursor in the 3D Window, and click use to add the first corner. f. Click a second time to add the opposite corner and complete the rectangle. g. Continue to edit the slope map's parameters, or close the Property sheet to finish the operation. h. If you want to display the map's legend indicating which color represents each slope range, right-click the slope map, and select Show Legend from the shortcut menu. i. Note: After the slope map object has been created and set to display the contour lines, automatic tool tips are added to the slope lines. When the cursor is placed, in the 3D Window, above a slope line, a tool tip appears displaying the slope of the specific line. In addition, the tooltip entered in the Slope Analysis Property sheet is displayed when the cursor is placed over areas of colorized terrain.  42 Slope Analysis Property Sheet Parameters Object Parameter Activity Appearance Name Type the description or name of the slope map. The text appear in the project tree as the name of the S object. Activation action Select the action to perform when selecting the object from Display Style Sets the style to display the slope map: Select slope arrow to display arrow direction indicating M where the slope increase and where it decrease. Select slope colour to apply colour palate based on steepness of the slope. Select slope arrow and colour to display both slope color and direction. Coverage area Determine the coverage of the CA object. Select rectangle to apply a rectangular area or entire terrain to apply to entire terrain. Slope palate Set the pallete style of the slope map. Select one of the available palate. This option is enable only when “display style” is set to slope color map or slope direction and color map. Arrow color Select the fill color for the arrows. This option is enabled only when “display style” is set to Slope direction or Slope direcions and color map. Click the Edit button to open the clor dialog box, or type the color code in hexadecimal format. Timespan Start Time Click Edit and select the date and time when the map should first become visible. End Time Click Edit and select the date and  33 time when the map should stop being visible Position X Enter the X coordinate for the rectangle’s pivot point. The pivot is located at the center of the rectangle. Change this value to move the entire polyline. This field is enabled only when S “Coverage Area” is set to Rectangle. Geometry Length Determines the length of the rectangle. This field is enable only when “Coverage Area” is set to Rectangle. Width Determine the width of the M General Show in Basic rectangle. The field is enabled only when “Coverage Area” is set to rectangle. Determines if the slope map appears in the Project Tree when the file is viewed with the Surveykshak 3D view. Message Show the number of the message CA associated with this object. To create a new message, or update an existing message, open the Create Message dialog box by clicking in this field and selecting Edit. Tooltip Type a tooltip text to appear when the mouse cursor is placed over the slope map colorized terrain are ain the 3D Window. An automatic tool tip displaying the contour line height is created for the contour lines. Default Viewing Distance Determines the viewing distance of the camera from the slope map. This distance is used as a stop mark of any “Fly-to” or “View object” operation. It is also used when editing the object from the project tree. When this value is set to the default  34 of -1, Surveykshak 3D calculated and set the ideal viewing distance for the map based on its size. Max Visibility distance Set the maximum distance from the camera above which the slope map disappears. Min Visibility distance Set the minimal distance from the camera below which the slope map disappears. S Order Set the draw order of the slope map. Objects with higher order values are drawn on top of objects with lower values. Contour M 46. The Contour Map tool creates a topographic map that portrays differences in terrain elevation by connecting points of equal elevation with contour lines or by coloring terrain according to varying altitudes. The contour palettes and/or contour lines can be applied to a specified rectangular area, or to the entire terrain. You can use one of Surveykshak 2D contour palettes or create your own. After the contour map has been created, a contour map object is added to the Project Tree. 47. To use the Contour Map tool, On the Analysis tab, click Contours, and select one of the following CA options to indicate differences in terrain elevation: a. Contour Colors - Apply different colors from a contour palette to each elevation level. b. Contour Lines - Connect points of equal elevation with contour lines. c. Contour Colors and Lines - Display both contour lines and contour colors. The Contour Map property sheet opens. 48. In the Appearance sections, in the Colorized Terrain Palette field, select a contour palette from the drop-down list. 49. In the Appearance section, in the Contour Lines Color field, click Edit and select a contour line color. 50. In the Appearance section, in the Coverage Area field, select the coverage of the contour map: a. Rectangle - A designated rectangular area. b. Entire Terrain - The entire terrain. 51. If you set the Coverage Area field to Rectangle, do the following: a. Place the cursor in the 3D Window, and click to add the first corner. b. Click a second time to add the opposite corner and complete the rectangle. 52. Continue to edit the contour map’s parameters, or close the property sheet to finish the operation.  35 53. If you want to display a map legend that indicates which color represents each elevation value, right- click the contour map, and select Show Legend from the shortcut menu. 54. Note: After the contour map object has been created and set to display the contour lines, automatic tool tips are added to the contour lines. When the cursor is placed, in the 3D Window, above a contour line, a tool tip appears displaying the height value of the specific line. In addition, the tooltip entered in the Contour Map property sheet, is displayed when the cursor is placed over areas of colorized terrain. S Best Path 55. The Best Path calculates the best path between two locations on the terrain without exceeding definable climb and descent slope limits. 56. The tool creates a line object marked on the ground representing the calculated path. The calculation M takes into account the elevation values of the terrain, and implements a heuristic algorithm. The parameters available for the search determine the time and Probability of finding the best path 57. To use the Best Path tool, On the Analysis tab, click Best Path. 58. Set the required Best Path parameters. With the cursor in the 3D Window, click to define the start point for the path. Click again to define the end point of the path. 59. Once the Best Path has been calculated, it displays in the 3D Window. 60. If you want to edit its parameters and recalculate it, make the required modifications in the property CA sheet and in the Recalculate Path click Apply. 61. If you want to move the path, click the Edit Nodes icon, on the top bar of the property sheet, and move the node point to the required location. 62. Close the property sheet to end the operation. 63. Once completed, a single line, marked on the terrain appears between the start and end locations. This line represents the best path between the two points under the constraints set by the slope parameters. At any time, you can change the start and end points, and the various parameters, and recalculate the path. Terrain Profile 64. The Terrain Profile tool displays the terrain elevation profile along a path, and related information on this profile such as maximum and minimum elevation values and slopes.  36 S Using the Terrain Profile Tool M 65. To use the Terrain Profile tool, On the Analysis tab, in the Terrain Analyze group, click Terrain Profile. 66. Click points on the terrain to mark the path to be analyzed. Right-click to indicate the last point in the point series. 67. A Terrain Profile dialog box opens, displaying the terrain elevation profile between the selected points. In this graph, key points appear as white vertical lines and sample points appear as blue vertical lines. CA 68. There are five operation modes for the mouse within the profile graph Zoom in Zoom on a specific part of the graph by left clicking on it Zoom out Zoom out of the graph by left clicking on it Pan Result Scroll the graph in desired direction. Jump to Sample Point Click on the graph to jump the camera in the 3D window to view the selected sample. Point information Click on specific sample in the graph to get more information. The information (display in light blue color) show the sample elevation, coordinate and slope value. Value Description X The X coordinate of the point Elevation The elevation value of the point above the terrain database vertical datum base ellipsoid. Y The Y coordinate of the point Key Frame A value of 1 for a key point, or 0 for sample point.  37 Ground object A value of 1 for a ground object located at the sample point, or 0 for terrain Point. Line of Sight S 69. The Line of Sight provides a visual indication of whether specific locations in the 3D World can be seen from a selected position. The tool displays a visual marker for the existence of a line of sight from a single observer position to multiple positions in the world. 70. This feature takes into account the observer's viewpoint, direction of sight and distance of sight, to portray which locations can be viewed from the viewpoint, and which locations cannot be viewed. The observer and target positions can be set at any altitude above the terrain. M CA Using the Line of Sight Analysis Tool 71. To use the Line of Sight Analysis tool, On the Analysis tab, in the Line of Sight group, click Line of Sight. 72. In the Line of Sight Analysis Property sheet, enter the following parameters: a. In the Analysis section, in the Sampling Interval field, enter the desired value for the sample resolution of your measurement. This value represents the distance between terrain samples for the measurement along each line. A smaller sample size is more accurate but slower to calculate. b. In the Observer section, in the Height field, enter the desired value for the altitude of the observer. Note: The X and Y observer position fields in the Observer section are derived from the point you select in the 3D Window. They only become enabled after you place the Observer point, so you can modify the values as required in the Property sheet. c. In the Targets section, in the Height field, enter the desired value for the altitude of the target point or points.  38 73. Once you have set the necessary parameters, click the cursor to define your viewpoint for the observer. 74. Place the target points in the 3D Window by clicking the left mouse button. You must place at least one point in the 3D Window. 75. Right-click to finish the operation. At this point, SAAS Pro begins to calculate the line of sight. This process can take a few seconds. 76. Once the Line of Sight Analysis has been completed, you can edit the parameters and recalculate, or close the Property sheet to finish the operation. S 77. Once completed, a single line, or group of lines, marked on the terrain appear between the viewpoint and the end point. Target points that are visible from the observer viewpoint are colored green, whereas points that are not visible from the observer viewpoint are colored red. Note: To perform another line of sight measurement, you must first close the Property sheet either by clicking on the Property sheet Close icon, or by clicking again the Line of Sight command on the M Analysis tab. View shed Tool 78. The View shed tool provides you with a graphical representation of the view on the terrain from either of the following: CA a. A defined single point b. A series of points (route) 79. This tool takes into account the viewpoint, direction of sight and distance of sight, when calculating which areas of the terrain are visible from the viewpoint, and which areas cannot be viewed. The viewpoint can be set at any altitude above the terrain.  39 Creating a View shed (from a Single Viewpoint) 80. To create a view shed, On the Analysis tab, in the Line of Sight group, click View shed, and select View shed. 81. In the View shed Analysis Property sheet, set the required parameters. S M 82. In the 3D Window, click to define your viewpoint for the measurement, and then click again to define your desired end point (defining the distance of sight). The created group is locked, and appears as a View shed icon in the Project Tree. 83. Once completed, the view shed appears on the terrain as a sector of a circle, where the center point is the viewpoint and the arc is the end point (marking the end of the distance of sight). Within the CA sector, areas that are visible from the viewpoint are colored green, whereas areas that are not visible from the viewpoint are colored red. 3D View shed Tool 84. The 3D View shed Analysis tool provides you with a graphical representation of the area on the terrain and on 3D models and objects that is visible from either a defined single stationary point (3D View shed). 85. This enables results to be analyzed and displayed not only on the bare terrain as in the View shed tool, but also on buildings and models. The tool takes into account the location, direction, and angle of the viewer. 86. To create a 3D viewshed, On the Analysis tab, select 3D Viewshed. The 3D Viewshed Analysis property sheet is displayed. 87. In the 3D Window, click to define your viewpoint for the 3D viewshed, and then click again to define your desired end point (defining the distance of sight). In the 3D Viewshed Analysis property sheet, set the required parameters. 88. Once completed, the viewshed appears on the terrain as a sector of a circle, where the center point is the viewpoint and the arc is the end point (marking the end of the distance of sight analysis).  40 Within the sector, areas that are visible from the viewpoint are colored green (default color), whereas areas that are not visible from the viewpoint are colored red (default color). Volume Analysis Tool 89. The Volume Analysis tool analyzes the amount of terrain removed or added by selected Modify Terrain objects. Volume Analysis tool in SAAS-3D is aimed at providing volume (above and below) a given terrain cutting plane – which is at fixed elevation. S 90. On the Analysis tab, click Volume. M 91. Volume calculation window will appear click on Draw AOI and draw a polygon area on a terrain. 92. Click on calculate. The Volume dialog box is displayed. CA 93. Creating a New Text Label 94. You can create text or image labels that you then place in the 3D World. 95. We can insert text label on the terrain location where you want to show the text. 96. To create a new text label, On the Objects tab, in the Label group, click Text. The Enter La bel Text dialog box is displayed. Type the text in the Enter Label Text dialog box. You must enter a text and click OK before you can place the object in the 3D World.  41 97. Place the label in the 3D Window by clicking in the desired location. S 98. Creating a New Image Label M 99. We can insert image label on the terrain location where you want to show the image. 100. To create a new image label, On the Objects tab, in the Label group, click Image. The Browse for Image dialog box is displayed. 101. Type or browse a path to a BMP, JPEG, GIF, PNG or ICO file to load as an image. You must set an image file before you can place the object in the 3D World. Note: Only standard 32 x 32 pixels, 256 colors, and ICO files are supported. 102. Set the object's other parameters.Place the label in the 3D World by clicking in the desired location. CA Polyline is a shape defined by one or more paths, in which a path is a series of connected segments. If a polyline has more than one path (a multipart polyline), the paths may either branch or be discontinuous. 103. To create a new polyline, On the Objects tab, in the 2D Objects group, click Polyline. The Polyline Property sheet opens. 104. Place the polyline points in the 3D Window by clicking in the desired locations. You must place a t least two points. 105. Finish the polyline insertion by right-clicking. On a map, a closed shape defined by a connected sequence of x,y coordinate pairs, where the first and last coordinate pair is the same and all other pairs are unique. 106. To create a new polygon, On the Objects tab, in the 2D Objects group, click Polygon. The Polygon  42 Property sheet opens. 107. Place the polygon points in the 3D Window by clicking in the desired locations. You must place at least three points. 108. Note: When creating a filled polygon, the lines of the polygon should not overlap each other. This may result in an irregular fill pattern. 109. Finish the polygon creation by right-clicking. S Loading a 3D Model 110. The 3D model feature allows you to place a pre-prepared 3D object at any point in the 3D terrain. These models can be created using external design tools. Models in collada format can be loaded. 111. To use the Object tool, Click Import 3D models dialog box is displayed. M CA 112. Browse file and enter the longitude ,latitude, X, Y, Z, pitch and Roll values. 113. Formats Supported : “Collada” About Presentations 114. Surveykshak 3D enables you to record a presentation in which you navigate through the 3D World, showing or hiding objects on the terrain, following dynamic objects, displaying messages and performing different operations. For each step in the presentation, you display the map in the state you want: a. Current camera position and extent. b. Visibility of raster layers.  43 c. Visibility of feature layers. d. Visibility of map items (objects, groups). e. Popup messages and captions. f. Set environment variables such as underground mode and system time. You can also convert a presentation to a movie. 115. The Presentation tab displays on the Ribbon when you select a presentation from the Project Tree or when you click Presentation on the Home tab. This tab includes all of the controls necessary to create, edit, and play a presentation. S Creating and Editing a Presentation 116. Surveykshak 3D's presentation tools enable you to create a presentation, in which you communicate a specific view of the 3D World, by combining a customized flight route with a particular display of the Project. M 117. The presentation you determine what displays on the 3D world, as well as its timing and the transition to the next step. The presentation advances from step to step based on the continue trigger setting. 118. Note: When you record a step, you do not capture screen overlay, field of view, sky color, or clouds coverage. These depend on the settings that are set before the presentation is played, and will vary each time the presentation is played based on the settings at the time. CA Setting Presentation Options 119. Presentation options are controlled from the Presentation tab, in the Play group. 120. To set presentation options, Set up the presentation to either play automatically or manually. On the Presentation tab, in the Play group, from the Play Mode drop-down list, select Auto-Play or Standard. “Auto-Play” mode replaces Click Button triggers with Wait 3 seconds. 121. Set up flight speed, In the Play Speed drop-down list, select the required speed. You can select Normal to play the presentation according to the timings recorded and set in the Presentation Editor or one of the speed factors. Select Slow to slow down the flight speed by a factor of 2 and Very Slow to slow it down by a factor of 4. Select Fast and Very Fast to accelerate the speed by the factors of 2 and 4, respectively. 122. Note: You can also accelerate or decelerate the flight speed by adding a Flight Speed operation. 123. Note: The Flight Speed accelerates or decelerates the speed on top of the Play Speed factor. 124. Set the flight algorithm, On the Presentation tab, in the Play group, from the Play Algorithm drop- down list, select FlyTo to use the 3D fly to location algorithm. Select Spline to move the camera in a curve based path between the waypoints. 125. Note: If a presentation does not include any recorded flight, the presentation is by default set to  44 FlyTo algorithm. If the presentation includes recorded flight, the default Play Algorithm changes to Spline. 126. 4. Set flight loop, if you want to connect the last location to the first location to create a closed flight route, on the Presentation tab, in the Play group, select Loop Presentation. Playing this route repeats the flight continuously, until you stop playing the route. 127. Set Prev/Next functionality, if you want the Prev/Next buttons to jump to presentation key steps, on the Presentation tab, in the Play group, from the Prev/Next drop down list, select Key step. Creating Movies S 128. You can create a movie in AVI format, using any presentation in your Project. You can play the recorded movie using standard AVI Viewer or any Product that supports AVI format. You can even display your movies on a TV screen. M Creating a Movie from a Presentation 129. To create a movie from a presentation: 130. Create a presentation. On the Presentation tab, in the Movie group, set the following settings: Parameter Activity Frames Select the number of movie frame per second. CA Frame Size Select the size of each frame or file in the movie. Select current size to use the current width and height of the 3D window dimensions of the frame or choose from one of the other standards (Including the industry standards for PAL and NTSC). Best quality Select the best quality check box to create a “sharper” movie. When this option is selected, 3D Visualization forces the download of the full MPT. Database resolution for every area in the route. This guarantees that each frame in the movie is of the best quality. Although movie creation can take longer depending on the streaming rate. 131. On the Presentation tab, in the Movie group, click Create Movie. The Save As dialog box is displayed. 132. Browse to where you want to save the movie, type a File Name, and click Save. 133. The Video Compression dialog box is displayed.... 134. If you want to configure the compressor, click Configure, adjust the Temporal Quality Ratio as required, and click OK. S 135. The Creating Movie dialog box is displayed. 136. Note: A Progress bar is shown in a Status box. This box includes a Stop button. If you stop the Process be completed, the movie is created up to the moment you pressed the Stop button. 137. The creation of the flight movie can take a few minutes. M (the first author) or the editor or by the name of the corporate author or periodical if there is no individual author or editor.Several works by an identical author (or group of authors) are ordered by year of publication, with the earliest listed first. CA