GMS:Borehole Cross Sections
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A borehole cross section is a set of polylines and polygons that define the stratigraphy between two boreholes. A borehole cross section is created using the Create Cross Section tool. When a borehole cross section is first created, it is made up of a set of default lines. The figure below shows a default cross section. Notice that "arcs" (polylines) have been created defining the top and bottom of the cross section and an "arc" (polyline) has been created for each segment in the boreholes.
To edit a cross section, the user must use the Select Cross Section tool and select a cross section. The Cross Section Editor dialog can be then opened by selecting the Cross Section Editor command from the Borehole menu while the user has either a single or a series of cross sections selected. The user can also launch the Cross Section Editor dialog by double-clicking on a single cross section. The next figure shows a finished cross section.
Borehole Cross Section Editor
The Cross Section Editor can be used to manually construct and view cross sections between boreholes. The Cross Section Editor in GMS 6.5 has been updated to allow for the display and editing of multiple borehole cross sections. The Cross Section Editor has a set of tools and toggles used to create, edit, and view the cross sections. The tools used to create the nodes, polylines, and polygons are similar to the tools available in the Map module used to create feature objects (points, arcs, and polygons). The following tables describe the tools and display options available in the Cross Section Editor.
Tools
| Tool | Tool Name | Description |
|---|---|---|
 | Select Tool | Generic selection tool that selects nodes, vertices, arcs, and polygons |
 | Select Point/Node | Selection tool that will only select points or nodes |
 | Select Vertex | Selection tool that will only select vertices |
 | Select Arc | Selection tool that will only select arcs |
 | Select Polygon | Selection tool that will only select polygons |
 | Create Vertex | Creates new vertices along arcs within the cross section |
 | Create Arc | Creates arcs between two nodes or vertices within the cross section |
 | Pan | Pans in the viewing area of the Graphics Window |
 | Zoom | Magnifies or shrinks the current viewing area |
 | Frame All Cross Sections | Frames to the extents of all the cross sections |
 | Frame Current Cross Section | Frames to the extents of the current cross section |
 | Z-Magnification | Adjusts the Z-Magnification factor to increase or decrease the graphical display along the Y (real world Z) axis, making more or less room at the top and bottom of the screen while maintaining the boreholes and cross sections in the middle of the screen |
 | Plot Options | Adjusts the axes plot options, including: title, background color, font, font color, grid display, axes titles, and axes display |
 | Delete | Deletes the currently selected vertices, nodes, arcs, or polygons |
 | Left | Activates the cross section to the left of the current cross section as the current cross section |
 | Right | Activates the cross section to the right of the current cross section as the current cross section |
 | Prints the current Graphics Window | |
 | Auto-Match Cross Section | Creates a set of straight arcs connecting matching contacts on adjacent boreholes based on the user's selection to use Horizons or Materials |
 | Build Cross Section Polygons | Deletes all current polygons, builds new polygons using all of the arcs, and checks to see if every polygon built is valid. A polygon is valid only if it contains either one arc representing a borehole region or two arcs representing two matching borehole regions on two holes. Thus, every valid polygon can be assigned one and only one material type. If every polygon built is valid, the Color Fill toggle will be automatically turned on and all polygons built will be filled with the color representing the material they are assigned. Otherwise, a dialog saying "Invalid polygons present" will pop up and all polygons built will be deleted. |
 | Delete All | Deletes all of the vertices, nodes, arcs, and polygons in the current cross section |
Display Options
| Display Toggle | Description |
|---|---|
| Nodes | Controls the display of the nodes in the graphics window |
| Vertices | Controls the display of the vertices in the graphics window |
| Arcs | Controls the display of the arcs in the graphics window |
| Boreholes | Controls the display of the arcs in the graphics window |
| Poly fill | Controls the display of the polygons in the graphics window |
| Mirror view | Reverses the order in which the cross sections are displayed |
| Mark inactive | Dims the inactive cross sections |
| Display axes | Controls the display of the plot axes in the graphics window |
GMS - Groundwater Modeling System | |
|---|---|
| Modules: | 2D Grid · 2D Mesh · 2D Scatter Point · 3D Grid · 3D Mesh · 3D Scatter Point · Boreholes · GIS · Map · Solid · TINs |
| Models: | ADH · ART3D · FEMWATER · MODAEM · MODFLOW · MODPATH · MT3DMS · PEST · RT3D · SEAM3D · SEAWAT · SEEP2D · T-PROGS · UTCHEM · UTEXAS · ZONEBUDGET |
| Aquaveo | |
