VCI Period:

Surveyor-General Layers

Demarcation Layers

Resource Layers

Custom Layers

Click in the map for location information.

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Surveyor-General
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Demarcation
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Resource Layers
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Nagivation Toolbar
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Coordinate Format
Bookmarks

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    Current View
    User Location
    Drawing Tools

    Click a button to activate the drawing tool.
    Hold down the CTRL key to enable snapping.



    Graphics Properties
    Label Properties
    Label Fields:
    (hold CTRL to select multiple fields)
    Font Colour:
    Font Size:
    Hor Alignment:
    Ver Alignment:
    Map Export

    Use the options below to define the output map extent and layout.

    Page Layout


    Page Size


    Page Rotation (-180° - 180°)

    Export Format


    Extent





    Export Features to File
    Select Feature Set



    Import Features from File

    Import a GPX, KML, KMZ or Shapefile (zipped) as graphic features.

    Local Storage
    Local Storage Items

    Enter title for new Local Storage item:



    Tools
    Buffering
    Generate a buffer zone for a selected graphic.
    • Draw a graphic in the map
    • Specify the buffer distance and units
    • Activate the Buffer Select button
    • Click on a graphic to select the feature to buffer
    • Wait for the buffer zone graphic to be added to the map as a graphic
    Distance Units

    Coordinate Conversion

    Convert a coordinate between different coordinate systems. The available options are relevant to South Africa.


    Input Coordinates

    X:
    Y:
    Type:
    Datum:
    Central Meridian: (17-33)

    Output Coordinate System

    Type:
    Datum:
    Central Meridian: (17-33)
    Result X:
    Result Y:


    Note: The Transverse Mercator (LO) projection uses a scale factor of +1.0, which is a south-oriented format of the standard surveying projection format with negated values for the X and Y coordinates.
    Elevation Profile
    Generate an elevation profile from a line graphic.
    • Draw a line graphic in the map
    • Activate the Profile Line Select button
    • Click on a line graphic to select the profile intersect
    • Wait for the interactive elevation profile graph to be generated in the container below the map
    Line Segments
    Create distance markers for a selected line graphic.
    • Draw a line graphic in the map
    • Specify the segment distance and units
    • Activate the Segment Select button
    • Click on a graphic to select the feature
    • Segment marker points will be added to the map as graphics
    Distance Units

    NDVI Time Series Graph
    Generate a temporal NDVI graph for a selected area. The NDVI statistics are calculated from Sentinel-2 data.
    • Create a polygon by drawing or converting a feature graphic
    • Select the NDVI Period for the graph
    • Activate the NDVI Zone Select button
    • Click on a polygon graphic to use as statistics zone
    • The NDVI graph will be displayed in the dialog box.
    NDVI Period
    Zonal Statistics
    Generate zonal statistics for a selected data layer. A selected polygon will be used to clip ("cookie cut") the features of the selected data layer for which the statistics will be summarized.
    • Create a polygon by drawing or converting a feature graphic
    • Select a statistics dataset layer
    • Activate the Statistics Zone Select button
    • Click on a polygon graphic to select the area for statistics.
    • Results will be displayed in the dialog box and added to the list of results below the button.

    Data Layers

    Layers:

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