Modify Symbology

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Modify Symbology

Summary

The Modify tab of the Drillhole Symbology pane allows you to create custom symbology styles or appearances that may be difficult or impossible to create using the Esri symbology tools.

Usage

Use the Modify tab of the Drillhole Symbology to create new custom symbology styles to use with drillhole feature classes or attributes. Examples of symbologies that can be created with this tool are:

Points colored by values or categories
Points as oriented discs in 3D (for structural datasets)
2D or 3D lines colored by values or categories
2D or 3D lines sized by values
2D or 3D lines colored and sized by values

Parameters

Parameter	Explanation
Custom Symbology	Select a style to be used to create the new symbology. The options available are based on the selected layer drillhole data type: Point (single location) Data - Custom Symboloy Options: available when the layer selected is a Point Data Feature Class, e.g. Collars, Depth Ticks, Dip/Azimuth Survey, etc.: Single Symbol - simple points; basic symbol properties (e.g., color, size). Color by Categories - points colored based on selected field string values; symbol size can be adjusted. Color by Values - points colored based on selected field numeric values; symbol size can be adjusted. Oriented Discs - points as oriented discs in 3D, either as simple points or points colored by values or categories. Depth Ticks - depth marks; symbology for the Depth Ticks feature class layer. Line Data - Custom Symbology Options: available when the selected layer is a Line type Feature Class, e.g., From-To Data , Traces, etc.: Color by Categories - 2D or 3D lines colored based on selected field string values; symbol size and offset can be adjusted. Color by Values - 2D or 3D lines colored based on selected field numeric values; symbol size and offset can be adjusted. Size by Values - 2D or 3D lines sized by selected field numeric values; minimum/maximum symbol size and offset can be adjusted. Color and Size by Values - 2D or 3D lines colored and sized by selected fields numeric values; minimum/maximum symbol size and offset can be adjusted. Traces - simple lines; basic symbol properties (e.g., color, width). Traces Colored by Categories - traces colored based on selected string field values; symbol size and offset can be adjusted. Traces Colored by Values - 2D or 3D lines colored based on selected field numeric values; symbol size and offset can be adjusted
Color Field/ Size Field	Select the field to be used to determine the symbology color (or size). Depending on the symboloy type selected, the list will be populated with either the unique numeric fields or the unique string fields of the currently selected layer feature class.
Size/ Min Size/ Max Size	Enter the symbol size or use the arrow buttons to incrementally adjust the value. You can also use the arrow keys on your keyboard to adjust the value. The up/down keys will increase/decrease the value by 1; the right/left keys will increase/decrease the value by 10.
Offset	The offset option can be used to shift or move individual data layers so that they are adjacent, not overlapping. Use the offset control to move the selected data layer 'away' from the drillhole trace, to be beside the trace, thus allowing for more data layers to be visualized together. You can also use the arrow keys on your keyboard to adjust the value. The up/down keys will increase /decrease the value by 1; the right/left keys will increase/decrease the value by 10.
Align	Choose the "Left" or "Right" option. This will display the data aligned on one side of the hole trace, which creates a 'bar plot' style appearance so that another data set could also be shown. Available on 2D maps only, for line type Feature Classes with custom symboloy sized by values or colored and sized by values.
Structural Data
Color By	There are three color options that can be used with the Oriented Discs custom symbology: Single Color - the oriented structural discs are displayed as simple point symbols. Categories - the oriented structural discs are colored by categories. Values - the oriented structural discs are colored by values.
Dip Field	Select a field to be used in orienting the tilt of the disc. Defaults to "Dip" if the field exists.
Dip Direction Field	Select a field to be used in orienting the direction of the disc.
Disc Size	Enter a disc size or use the arrow buttons to incrementally adjust the value. You can also use the arrow keys on your keyboard to adjust the value. The up/down keys will increase/decrease the value by 1; the right/left keys will increase/decrease the value by 10.
Thickness	Specify a point depth value or use the arrow buttons to incrementally adjust the value. The maximum value is 25. You can also use the arrow keys on your keyboard to adjust the value. The up/down keys will increase /decrease the value by 1; the right/left keys will increase/decrease the value by 10.
[Apply]	Click the button to apply the custom symbology to the selected drillhole layer: the layer symboloy will be redrawn based on the applied changes.

Technical Notes

By default, 2D symbols are measured in points and 3D symbols in meters. See the ArcGIS Pro Help page for more information on the difference between the units and symbol size being used in maps and scenes.

Once you have created or modified a custom symbology using this tool, you can save it by right clicking Drillhole Symbology > Save and Set as Default on the drillhole layer in the Contents pane. This will save the symbology to the current drillhole dataset for future use.