GIS Surface Analysis

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A)  Downloading  (ASTER and SRTM)  NASA Geo DEM Height Files

Open your Internet browser and go to the following URL to Download ASTER Geo DEM
http://www.gdem.aster.ersdac.or.jp/search.jsp
Open your Internet browser and go to the following URL to Download SRTM height files
http://dds.cr.usgs.gov/srtm/version2_1/SRTM3/

B)  Convert (ASTER and SRTM) NASA Geo DEM Height Files to Tin Shape File

Convert (ASTER & SRTM) DEM to Tin Shape file
Menu → Tools → Convert (ASTER & SRTM) DEM to Tin Shape file

C)  Convert ASTER NASA Geo DEM to Color value bmp File

Convert ASTER Geo DEM to Color Value bmp file
Menu → Layers → Add Layer → Files of Type → TIFF → Open
Menu → Layers → Save Layer as → Change the File extension to → BMP  → Save
  • Open Aster Geo DEM Tiff file
  • Save Layer as bmp file
  • Press Identify at any point in image to get Elevation value

D)  Building Contours from ASTER NASA Geo DEM

Menu → Surface → Building Contours Surface(s) Analysis

E)  Building Tin Surface Analysis

Menu → Surface → Building Tin Surface(s) Analysis
  • Select Height Layer Name
  • Select Height Criteria (All Feature or  Inside Selected Features or Outside Selected Features)
  • Select Height Field
  • Select Output Tin Surface Shape file name
  • Select Build Surface by Delaunay, if elevation points have unequal distances among them.
  • Select Build Surface by Matrix, if elevation points have equal distances among them.
  • Press Build

F)  Building Contours Surface(s) Analysis

Building Contours Surface(s) Analysis
Menu → Surface → Building Contours Surface(s) Analysis
  • Check Use Height Layer as Tin Surface or Not
  • Select Height Layer Name
  • Select Height Criteria (All Feature or  Inside Selected Features or Outside Selected Features)
  • Select Height Field
  • Select Contour Interval
  • Select Base Contour
  • Select Output Contour Shape file name
  • Select Build Surface by Delaunay, if elevation points have unequal distances among them.
  • Select Build Surface by Matrix, if elevation points have equal distances among them.
  • Select Do not build Surface, if Height layer is a Tin Surface
  • Press Build



G)  Converting 2D to 3D Surface Analysis

Converting 2D to 3D Surface Analysis
Menu → Surface → Converting 2D to 3D Surface Analysis
  • Check Use Height Layer as Tin Surface or Not
  • Select Height Layer Name
  • Select Height Criteria (All Feature or  Inside Selected Features or Outside Selected Features)
  • Select Height Field
  • Select Destination 2D GIS Shape File
  • Select Criteria of the Destination 2D GIS Shape File
  • Select Output 3D Shape file name
  • Select Build Surface by Delaunay, if elevation points have unequal distances among them.
  • Select Build Surface by Matrix, if elevation points have equal distances among them.
  • Select Do not build Surface, if Height layer is a Tin Surface
  • Press Convert

H)  Calculating Area and Volume of Surface(s)

Calculate Area and Volume of Surface(s)
Menu → Surface → Calculate Area and Volume of Surface(s)
  • Check Use Height Layer as Tin Surface or Not
  • Select Height Layer Name
  • Select Height Criteria (All Feature or  Inside Selected Features or Outside Selected Features)
  • Select Height Field
  • Select Height of the Calculating Plane
  • Select above Plane or Below Plane
  • Select Build Surface by Delaunay, if elevation points have unequal distances among them.
  • Select Build Surface by Matrix, if elevation points have equal distances among them.
  • Select Do not build Surface, if Height layer is a Tin Surface
  • Press Calculate
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GIS Analysis and Selection

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A)  Spatial Location Analysis and Selection

Selection Find and Data Transfer By Location  (Query Builder)
Menu → Selection → Find and Data Transfer By Location (Query Builder)
  • Select Layer Name
  • Select Criteria (All Feature or  Inside Selected Features or Outside Selected Features)
  • Select Method (New Selection or Add to Selection or Clear from Selection)
  • Select Relation
  • Select Relation  to Layer
  • Select Apply Tolerance or not
  • Select Tolerance value
  • Select Apply Data Transfer for Similar Fields Name or not
  • Select Data Transfer Fields Names
  • Press Find to Start Searching

B)  Attribute Data Base Analysis and Selection

Selection Find By Data (Query Builder)
Menu → Selection → Find By Data (Query Builder)
  • Select Layer Name
  • Select Criteria (All Feature or  Inside Selected Features or Outside Selected Features)
  • Select Method (New Selection or Add to Selection or Clear from Selection)
  • Select Field from the Fields List
  • Select Relation from the Relation List
  • Press Update Unique Value to get all available values
  • Select Value from the List or write it
  • Select Match Case or not
  • Select Map Scale for viewing result
  • Press Find to Start Searching the selected value  

C)  Nested Attribute Data Base Analysis and Selection

Nested Selection Find By Data (Query Builder)
Menu → Selection → Nested Find By Data (Query Builder)
  • Select Layer Name
  • Select Criteria (All Feature or  Inside Selected Features or Outside Selected Features)
  • Select Method (New Selection or Add to Selection or Clear from Selection)
  • Select Fields from the Fields Lists
  • Select Values
  • Select Map Scale for viewing result
  • Press Find to Start Searching the selected values

D)  Spatial Features Snapping and Dividing

Network Snap Vertexes to
Menu → Network → Snap Vertexes to
Menu → Network → Divide Polylines or Polygon on
  • Select Layer Name
  • Select Criteria (All Feature or  Inside Selected Features or Outside Selected Features)
  • Select Vertexes (All , OR (Begin & End) )
  • Select Relation
  • Select Relation  to Layer
  • Select Apply Tolerance or not
  • Select Tolerance value

E)  Shortest Path Analysis

Building Shortest Path Network
Menu → Network → Build Shortest Path Network
Shortest Path Network
Menu → Network → Shortest Path Network
  • Select Layer Name
  • Select Field Name
  • Press From Button
  • Select on the map where to start
  • Press To Button
  • Select on the Map where to Go
  • Press Run
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GIS Shortest Path Analysis

فيديوهات شرح منظومة سمارت جى اى اس Smart GIS Tutorials Videos
Shortest Path Analysis
Building Shortest Path Network
Menu → Network → Build Shortest Path Network
Shortest Path Network
Menu → Network → Shortest Path Network
  • Select Layer Name
  • Select Field Name
  • Press From Button
  • Select on the map where to start
  • Press To Button
  • Select on the Map where to Go
  • Press Run
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Building Contours from GPS Points

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Building Contours from GPS Field Survey Points by Smart GIS Map Editor and GPS Tracking 2017



How to Build Contours from GPS Field Survey Points?
  1. Download your GPS Field Survey Points to excel
  2. Open Elshayal Smart GIS Map Editor  
  3. Add a new Layer of points
  4. Open Attribute Data Tble
  5. Add an empty records with the same number of your GPS points
  6. Modify Structure to have fields for Lon_X and Lat_Y and Height_Z 
  7. Copy Data from Excel to Smart GIS Table  
  8. In Edit VB Script write the following script and run it
    MoveToMaxX Lon_X
    MoveToMaxY Lat_Y 
  9. In Surface Menu Produce your TIN Surface(s)
  10. In Surface Menu Produce your Contors

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Making Google Earth as Background



فيديوهات شرح منظومة سمارت جى اى اس Smart GIS Tutorials Videos
Making Google Earth as Background of Smart GIS Map Editor and GPS Tracking 2017



How to Make Google Earth as Background?
1 - Open Google Earth
      Do the followning Google settings on the first time only
  • Tools-> Options Turn off Terrain    
  • Be sure that North arrow is combletely very up  
  •    1 - View-> Show Navigation -> Always
  •    2 - Press Double click in North
  • Be sure that the map is very flat by     
  •    1 - Pressing keyboard Shift and keyboard up Arrow     
  •    2 - Pressing Keyboard Ctrl and keyboard down Arrow
  • Be sure Google Earth is not maximized and is not Full Screen
  • Keep Google Earth Opened 
2 - Open Elshayal Smart GIS Map Editor
  • Open Your Geographic Lon-Lat Map project
  • Menu -> Tools -> Synchronize Google Earth with Geographic Lon-Lat Map
  • View -> Refresh Map
3 - Start drawing and digitizing in your Shape files over the Google Earth back ground Map


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شهادات منظومة سمارت جى اى اس Smart GIS Certificates
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Download Rectified Google Earth Images



فيديوهات شرح منظومة سمارت جى اى اس Smart GIS Tutorials Videos
Downloading mosaic Google Earth maps and rectify them automatically in their correct coordinates to Produce a big area Satellite images with high resolution by Smart GIS Map Editor and GPS Tracking 2017





How to Download Rectified Google Earth Images?
1 -  Open Google Earth 4.3 or Newer Versions ( It must be installed in your Computer )
2 -  Inside Google Earth, do the following Settings
  • Tools -> Options : Turn Off Terrain
  • Be Sure that North Arrow is completely very up by
  • View -> Show Navigation -> Always
  • Press Double Click on North
  • Be Sure that Google Earth is very Flat by:
    • Pressing keyboard Shift and keyboard Up Arrow.
    • Pressing Keyboard Ctrl and keyboard down arrow
    • View -> Reset ->  Tilt and Compass
3 - Close Google Earth and then reOpen Google Earth
4 -  In Smart GIS Map Editor Menu - > Tools - > Download Form Google Earth
5 -  Press Login Google Earth 4.3 or Newer Versions
6 -  Press Refresh Cords Button in Smart GIS Software to get Google Earth Position
7 -  Enter Your Lon & Lat Cords' and Scale Zoom
8 -  Press Go to
9 -  Press Import Rectified Image (Will Capture B&W Google Earth Map)
10 -  In Google Earth Software Press Save Image to overwrite the B&W Image File
12 -  In Smart GIS Map Editor
13 -  Reload Layer from Layers Menu to get colored rectified Image Menu - > Layers- > Reload Layer
14 -  Use Up, Down, Right, Left Buttons to navigate
15 -  Press "Go to Layer in Google" in Layers Menu (to find layer area in Google)
16 - Press "Go to Feature in Google" in Edit Manu (to find your area in Google)
17 - Check Shift Maps, If your Google version is 5 or later


تسجيل منظومة سمارت جى اى اس  ايتيدا  Smart GIS Registeration in ITIDA
https://login.itida.gov.eg/ViewProfileFull.aspx?ID=2814

شهادات منظومة سمارت جى اى اس Smart GIS Certificates
https://drive.google.com/folderview?id=0B2qR4wxKKE_VflFBZk5mcTRneWRoTVhMLUlPTXZ6SXJuOUdfdFp6amMyQURHSlYxZUoyR0U&usp=sharing











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