GM_Utility Class

Adds a area feature to a loaded vector layer

Adds a new custom area classification.

Adds a new custom brush style that can be used when drawing area features (see the GM_SetAreaFeatureDrawStyle function)

Adds a new custom datum with the given parameters

Adds a new custom ellipsoid with the given parameters

Adds a new custom Line classification.

Adds a new custom point classification.

Adds a new custom shader for possible use for elevation layer display

Adds a new custom symbol that can be used when drawing point features (see the GM_SetPointFeatureDrawStyle function)

Compares equality of colors not including the A value

Checks to see if the 2 projections are equivalent

Calculate the elevation statistics within a given area

Calculates the bearing in radians between two points. The points can either be specified as lat/lon values or in the current projection.

Calculates the great-circle distance in meters between two points. The points can either be specified as lat/lon values or in the current projection.

Calculates the enclosed area of a region in square meters.

Calculates the location of a new point projected from a start point along a given bearing.

Calculate the rectangle in global coordinates required to draw at the provided scale to the given device of the given size.

Performs a view-shed analysis on loaded elevation data (not implemented on WinCE)

Calculates the cut-and-fill volumes along a given line (not implemented on WinCE)

Calculates the cut-and-fill volumes within a given area (not implemented on WinCE)

Calculates the width and height of a rectangle in the current projection. The rectangle can either be specified or the last drawn rectangle can be used.

Combines the list of areas and adds them to the specified layer (not implemented on WinCE)

Convert a coordinate between the current projection and a pixel coordinate. The conversion space can be either the last drawn coordinate space or the caller can provide the coordinate space to work in.

Convert a coordinate between the current projection and a pixel coordinate. The conversion space can be either the last drawn coordinate space or the caller can provide the coordinate space to work in.

Convert a coordinate between the current projection and a pixel coordinate. The conversion space can be either the last drawn coordinate space or the caller can provide the coordinate space to work in.

Convert a coordinate between the current projection and a pixel coordinate. The conversion space can be either the last drawn coordinate space or the caller can provide the coordinate space to work in.

Convert a coordinate between layer pixel space and the current projection.

Convert a coordinate between layer pixel space and the current projection.

Convert a coordinate between pixel space and the current projection. The conversion space can be either the last drawn coordinate space or the caller can provide the coordinate space to work in.

Convert a coordinate between pixel space and the current projection. The conversion space can be either the last drawn coordinate space or the caller can provide the coordinate space to work in.

Convert a coordinate between pixel space and the current projection. The conversion space can be either the last drawn coordinate space or the caller can provide the coordinate space to work in.

Convert a coordinate between pixel space and the current projection. The conversion space can be either the last drawn coordinate space or the caller can provide the coordinate space to work in.

Create a buffer area some distance around the specified feature (not implemented on WinCE)

Create a S-63 user permit file for use by clients to request encrypted S-63 chart files from data providers for loading with Global Mapper or your Global Mapper SDK-based application.

Decodes a MGRS (military grid reference system) coordinate into a X/Y or lat/lon location

Draws grid lines (either lat/lon or in the view projection) for the specified location.

Draws grid lines (either lat/lon or in the view projection) for the specified location.

Draws the specified portion of the specified packages to the device context. If no packages are explicitly specified, all loaded packages will be drawn.

Frees the native resources used by the given area feature

Frees the native resources used by the given line feature

Frees the native resources used by the given point feature

Performs a Create Areas From Equal Values process (not implemented on WinCE)

Generates contours for the given layer(s) (not implemented on WinCE)

Generates contours for the given layer(s) (not implemented on WinCE)

Generate a density (heat) grid for points from the given layer (not implemented on WinCE)

Generates an elevation grid by triangulating and gridding 3D vector layers (not implemented on WinCE)

Generates an elevation grid by triangulating and gridding 3D vector layers (not implemented on WinCE)

Generates a roughness grid from the given land cover layer (not implemented on WinCE)

Performs a watershed/drainage/stream calculation based on the provided elevation layer(s) (not implemented on WinCE)

Sets the default drawing style to use for a given area feature classification

Gets a Area Feature in this layer at the specified index with optional flags.

Retrieves a list of all available online sources

Retrieves a list of all available projections and their available parameters, datums, units, etc. Returns GM_ProjectionInfo_t* (array of GM_ProjectionInfo_t structures)

Returns the list of available symbol names (returns char**)

Gets the color used for background pixels when drawing and exporting

Retrieves the underlying base projection that forms the basis for a given projection.

Gets the parameters for a particular datum

Retrieves the elevation adjusment options to use for a given elevation layer

Returns a list of the available elevation shaders in type GM_CustomShader_t*

Retrieves information about a given feature class

Returns a string containing the filter to use in a Windows file open dialog box for all of the types supported for loading from this DLL.

Return the scale value (i.e. 24000.0 for 1:24K) that data was last rendered at

Sets the default drawing style to use for a given Line feature classification

Retrieves the color at a given location from a provided layer or from the list of currently loaded raster and elevation layers (topmost layer first).

Retrieves the elevation at a given location from a provided layer or from the list of currently loaded elevation layers (topmost elevation layer first).

Retrieves the elevation at a given location from a provided layer(s) or from the list of currently loaded elevation layers (topmost elevation layer first).

Returns a string containing the MAC address of the current machine. May need to provide this to get a license file generated.

Gets the MGRS (military grid reference system) coordinates for a location

Gets the current value of an advanced/miscellaneous option. For most types return is GM_MiscOptVal_t8

Determine the zoom scale that will be used to draw/export from a provided tiled online layer for a given bounds.

Returns a list of the layers that are in a given package. The pointer returned is temporary and will become invalid with the next call to this function.

Retrieves a list of elevations along a path in the provided layer or from the list of currently loaded elevation layers (topmost elevation layer first).

Retrieves a list of elevations along a path in the provided layer or from the list of currently loaded elevation layers (topmost elevation layer first). Can also perform a line-of-sight calculation and return additional information about a 3D path (not implemented on WinCE).

Retrieves a list of elevations along a path in the provided layer list or from the list of currently loaded elevation layers (topmost elevation layer first). Can also perform a line-of-sight calculation and return additional information about a 3D path.

Sets the default drawing style to use for a given point feature classification

Gets the current view/export projection

Retrieves the options to use when displaying the given raster layer

Returns the date that this SDK was built. Use this to provide more resolution for beta releases than GM_GetSDKVersion provides.

Returns the version of this SDK. The version is obtained by taking the major version number times 100 and adding the minor version number. For example, version 1.04 would be returned as 104.

Retrieves the options to use for the elevation shaders [returns const GM_ShaderOptions_t*]

Retrieves the options to use when displaying gridded elevation data. [returns const GM_VerticalDisplayOptions_t*]

Returns TRUE if the current user is registered or currently using a demo license.

Loads a map layout from a .gm_layout file to setup elevation legend, scale, feature legend, and north arrow

Loads a new Global Mapper package (.gmp) file. You can also load package files with the GM_LoadLayerList command if you don't need to operate on the package as a whole. If

Initializes a GM_Projection_t structure from a projection (PRJ, Ozi .map, etc.) file.

Initializes a GM_Projection_t structure from an EPSG code

Initializes a GM_Projection_t structure from a WKT projection string

Adds a new map to the map catalog from a file on disk

Adds a new map to the map catalog from a loaded layer

Moves a map from one index (0-based) in the map list to another

Creates a new map catalog layer for adding map layers to

Disables/enables a map in a catalog (use GM_GetMapCatalogInfo to get the map count)

Retrieves information and statistics about the catalog (use GM_GetLayerInfo for generic information)

Retrieves information about a map in a catalog (use GM_GetMapCatalogInfo to get the map count)

Removes the map at the given index from the catalog

Saves a map catalog layer to a file on disk

Sets when the layers in a map catalog should be displayed

Sets an option for a map in a map catalog, like the native projection. The data passed in depends on the option type.

Projects a point from one projection to another

Projects a point from one projection to another at a fixed elevation above the ellipsoid.

Projects a point from ECEF (earth-centered earth-fixed) to a projection

Projects a list of points from one projection to another

Projects a point from a projection to ECEF (earth-centered earth-fixed)

Projects a rectangle from one projection to another

Removes a custom brush style

Removes a custom shader

Removes a custom symbol

Runs a Global Mapper script (.gms) or workspace (.gmw), either from a file or from script text

Saves a GM_Projection_m structure to a projection (PRJ) file.

Saves a GM_Projection_t structure to a WKT projection string.

Saves a list of loaded layers and display options to a workspace (GMW) file

Saves a list of loaded layers and display options to a workspace (GMW) file

Displays a dialog allowing the user to graphically select an area style (not available on WinCE)

Displays a file dialog that allows the user to select a file to load.

Select a font. Displays a dialog allowing the user to graphically select a font.

Displays a dialog allowing the user to graphically select a line style (not available on WinCE)

Displays the projection selection dialog to allow the user to select a projection

Displays the projection selection dialog to allow the user to select a projection

Sets the default drawing style to use for a given area feature classification

Sets the color to be used for background pixels when drawing and exporting

Sets the callback function to call whenever a child layer is loaded or closed

Sets the elevation adjustment options to use for a given elevation layer

Enables or disables the display of the given feature class.

Use to provide the distribution license XML key that you were provided when purchasing a distribution license. Will return GM_Error_NotRegistered if the key could not be validated.

Sets the default drawing style to use for a given line feature classification

Sets the amount of available memory below which loads should fail and return (GM_Error_LowMemory). Set to zero to reset to no memory limit checking. [WinCE only]

Sets the function to call to display error and warning messages generated during SDK operations. If a message callback is provided, a message dialog will not be shown, instead the callback function will be called with the error or warning message that would have been displayed.

Sets the function to call to display error and warning messages generated during SDK operations. If a message callback is provided, a message dialog will not be shown, instead the callback function will be called with the error or warning message that would have been displayed.

Sets an advanced/miscellaneous option to use during operation. Returns the previous value.

Sets an advanced/miscellaneous option to use during operation. Returns the previous value.

Allows for drawing data with a direction other than north to the top of the screen for most projections. A value of 0.0 is the default and implies no rotation. Technically, the orientation value is the number of degrees to rotate the rendered data counter-clockwise.

Sets the default drawing style to use for a given point feature classification

Returns the current progress callback function.

Set the new projection. This is the projection that all draws and exports will be done in. It is also the projection that all world bound rectangles will be in. This version allows providing a lat/lon bounding rectangle for automatic selection of the best zone for zoned projections.

Sets the function to call to select a projection for a layer when being loaded if the projection for that layer cannot be automatically determined. If a callback is provided, it will be called rather than the projection selection dialog being displayed.

Sets the QuickPDF library (http://www.quickpdflibrary.com/) unlock code (required for PDF/GeoPDF support)

Sets the options to use when displaying the given raster layer

Sets the base registry key from which settings should be stored/read. Settings will be stored in and read from "HKEY_CURRENT_USER\Software\*aKeyName*\Global Mapper".

Sets the path where to store settings files, like custom_datums.txt, etc.

Sets the options to use for the elevation shaders (call GM_GetShaderDisplayOptions to initialize)

Specifies the extra scaling factor to apply to line widths, point symbols, and fonts when drawing. This is useful when printing to try and keep vector features the same size as displayed.

Sets the options to use when displaying gridded elevation data. If you're not going to change everything, it's suggested that you first call GM_GetVerticalDisplayOptions to initialize the structure to the current settings.

Number of Vector features of a given type you can access when not registered