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ArcMap is where you create maps and access most of the ArcGIS functionality. Remote sensing is an instrument based of observing an object at a far distance without direct contact.
This document help you to prepare Triangulation Network (TIN), Hillshade Map, Slope map, interpolation and Digital Elevation Model (DEM) in a area and how to interpret them.
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There are a number of multi-criteria methods
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Global mapper tutorial Jimma University Ethiopia
1. Global Mapper And Peak Discharge
Determination
Jimma University Ethiopia.
2. Introduction
Basic Steps to Develop Project at specific study site
Description of the study area
Topography
Land use and cover
Land use and cover
Soils
Stream analysis
Climate
3. Hydrological analysis
The following methods are commonly used for the
estimation of the maximum flood
Unit hydrograph method
Past flood marks method,
Empirical formula,
Envelope curves method,
Concentration time method
Rational method
Flood frequency method ,
4. Peak flood analysis by SCS unit hydrograph method
Design flood is calculated SCS (The United States Soil
Conservation Service).
This method is widely adopted and more reliable
method for flood estimation.
The approach considers, watershed parameters, like
Area, Curve number, and time of concentration.
5. Watershed Delineation
and Peak runoff calculation
• Steps
1. Open global mapper by
Double clicking on short cut on Desktop.
Click start then Global mapper 18.
Ok
21. Display Options
• The Display Options folder in the Configuration Dialog
contains settings for map elements that may be
displayed on the main map window. These settings are
also accessible from the View Menu under Workspace
Layout Options.
• To add elements to a printed or PDF map, see the Map
Layout Editor.
• Grid
• Distance Scale
• Elevation Legend
• Map Legend
• North Arrow
22. Tools Menu
• The Tools Menu Contains
the following options.
• Zoom (Alt+Z)
• Pan (Alt+G)
• Measure (Alt+M)
• Feature Info (Alt+P)
• Path Profile/ LOS (Alt+L)
• View Shed (Alt+V)
• Digitizer (Alt+D)
• Image Swipe
• Coordinate Convertor...
• Control Center (Alt+C)
• Connection Manager...
• Configure...
• Map Layout Editor
24. Layer Menu
• The Layer Menu contains options for data creation or editing using the
selected layers in the Overlay Control Center. Many of these options were
previous found in the Overlay Control Center right click context menu.
• These functions will apply to selected layers, so it is necessary to select
the appropriate layers in the Overlay Control Center first.
• Create Workspace File from Selected Layer(s)
• Export Layer(s) to New File
• Add Selected Layer(s) to Map Catalog
• Calculate/ Copy Attribute Values
• Join Attribute Table/ File to Layer
• Split Into Separate Layers Based on Attribute Value
• Create Layer Coverage Box/ Polygon Area Features
• Create Area Features from Equal Values
• Create Point Features at Elevation Grid Cell Centers
• Find Extreme (Min/Max) Elevation Values
26. Exporting Data
• Global Mapper
supports the export
of many different
file types. To access
the Export Data
submenu go to
• File > Export.
• The following menu
will appear:
27. Export Elevation Data
• The commands on the Export Elevation Data submenu allow the user to
export elevation data to various elevation formats including:
Elevation Spatial Database
Arc ASCII Grid
BIL/BIP/BSQ/ERS/Raw
BT (Binary Terrain)
CADRG/CIB/RPF
DEM
DTED
DXF
Erdas Imagine
ERS (ERMapper) Grid
Float/Grid
Geosoft Grid
GeoTIFF
Global Mapper Grid
Global Mapper Package
Gravsoft Grid
HF2/HFZ
Idrisi
INM 3TX Grid
JPEG2000
Leveller Heightfield
Lidar LAS
Leveller Heightfield
Lidar LAS
MapMaker Terrain File
NGC Geoid ASCII Grid
NITF
Optimi Terrain
PGM
PLS-CADD XYZ
RAW
RockWorks Grid
SRTM
STL
Surfer Grid
Terragen Terrain
Unity RAW Terrain/Texture
USGS DEM
Vertical Mapper (MapInfo) Grid
Vulcan3D Triangulation
WindSim GWS Roughness/Elevation File
XYZ Grid
Zmap Plus Grid
28. Export Raster/Image Data
• The commands on the Export Raster Data submenu allow the user to export
loaded raster data to various formats including:
Raster/Image Spatial
Database
RMaps SQLite Database
ASRP/ADRG
BIL/BIP/BSQ/ERS/Raw
BMP
BSB Marine Chart
CADRG/CIB/RPF
ECW
Erdas Imagine
Garmin Raster Maps
(KMZ/JNX)
GeoTIFF
Global Mapper Package
JPG
JPG2000
KML/KMZ
MrSID (Requires
GeoExpress)
NITF
Optimi Terrain
PCX
PDF
3D PDF
PNG
RAW
XY Color
29. Export Vector Data
• The commands on the Export Vector Data submenu allow the user to export
loaded vector data to various formats.
Vector Spatial Database
AnuDEM
Arc Ungenerate
CDF
cGPSMapper (Polish MP)
File
CSV
Delft 3D (LDB)
DeLorme Text File
DGN
Distance/Z (Elev) File
DLG-O
DWG
DXF
Esri File or Personal
Geodatabase Table
Garmin TRK (PCX5)
Garmin WPT (PCX5)
GeoJSON (Javascript
Object Notation)
Global Mapper
Package
GOG (Generalized
Overlay Graphics)
GPX (GPS eXchange
Format)
InRoads ASCII
Hypack Linefile
Kingdom Planimetric
Polygon
KML/KMZ
Landmark Graphics
Lidar/LAS
LMN (Spectra Line
Management Node)
Lowrance LCM
Lowrance USR
MapGen
MapInfo MIF/MID
MapInfo TAB/MAP
MatLab
Moss
NIMA ASC
Orca XML
OSM (OpenStreetMap.org)
XML
PDF
Platte
River/WhiteStar/Geographix
PLS-CADD XYZ
Polish MP (cGPSMapper)
SEGP1
Shapefile
ASCII Text
SOSI
Surfer BLN
SVG
Tom Tom OV2
Tsunami OVR
UKOOA P/190
Vulcan3D Triangulation
WAsP MAP
XYZ Text File
ZMap + IsoMap Line
ZMap + XYSegId
Kongsberg SIS Plan File
Lowrance Sonar SLG Log File
30. Export Web Format
• The commands on the Export Web Format submenu
allow the user to export loaded data to various web
formats.
Bing Maps (Virtual Earth) Tiles
Google Maps Tiles
KML/KMZ
MapBox MB Tiles Tileset
OSM/TMS/Mapbox/RMaps
RMaps SQLite Database
SVG
TMS (Tile Map Service) Tiles
VRML
World Wind Tiles
Zoomify
KML/KMZ (Vector_Only)
32. General Options
• The General Folder of the Configuration dialog
contains the following sections:
• General
• Export
• Measure/Units
• Vector Formats
• Raster Formats
• Advanced
33. Vector Display Configuration
• The Vector Display Folder controls options for the display of
vector data (areas, lines, and points).
• Rendering
• Labels
• Advanced
