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The ADD_MEASURE_ATTRS command allows you to add/update feature measure attributes to all of the
line and area features in a loaded vector layer.
The following parameters are supported by the command:
• FILENAME - filename of the layer to update. If an empty value is passed in, all layers that were
created by the script, such as those from a GENERATE_CONTOURS command, will be updated.
You can also pass in the value 'USER CREATED FEATURES' when running a script in the context
of the main map view or loading a workspace to have the 'User Created Features' layer updated.
COMBINE_LINES
The COMBINE_LINES command allows you to combine connected lines features based on one or more
attribute or label values. You can choose to combines in just a single loaded layer or in all loaded vector
laeyrs. The newly created lines will be placed in a new layer and have the current projection. Any lines that
are connected to another line will be marked as deleted. You can also supply multiple COMPARE_STR
parameters to apply multiple criteria, all of which must be true, in order for the lines to be considering for
combining.
The following parameters are supported by the command:
• FILENAME - filename of the layer to assign types to. If an empty value is passed in, all loaded vector
layers will be updated. You can also pass in the value 'USER CREATED FEATURES' when running
a script in the context of the main map view or loading a workspace to have the 'User Created
Features' layer updated.
• COMPARE_STR - specifies a comparison operation to perform to see if a line feature is one that
needs to be considered. The format is attr_name=attr_value. For example if you have an attribute
named CFCC and you want to match when the value of that attribute starts with an 'A', you can use
COMPARE_STR="CFCC=A*" as your parameter. You can add multiple COMPARE_STR
parameters to a single command to combine multiple criteria for your search. If you would like to
compare against a feature label rather than an attribute, use for your attribute name.
To compare against a feature type name rather than an attribute, use for your attribute
name. To compare against the feature description, use for your attribute name.
• CASE_SENSITIVE - specifies whether or not text comparisons are case sensitive or not. Use
CASE_SENSITIVE=YES to enable, by default comparisons are not case sensitive.
• LAYER_DESC - specifies the name to assign to the newly generated layer containing the connected
line features. If no layer description is provided, the default name of "Combined Lines" will be used.
• COMPATIBLE_ONLY - specifies whether or not any connecting lines should be combined (the
default) or just those which have compatible types and attributes. Use COMPATIBLE_ONLY=YES
to enable combining only compatible lines.
COMBINE_TERRAIN
Global Mapper User's Manual
The COMBINE_TERRAIN command generates a new terrain (gridded elevation) layer by combining two
loaded terrain layers through some operation, like addition, subtraction (difference), average, min/max, etc.
The new terrain layer can then be operated on just like any other terrain layer.
The following parameters are used by the COMBINE_TERRAIN command:
Map GPS Coordinates - GPS Map Coordinates - GPSCoordinates Map 208