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Dips

Dips

Dips is our popular stereographic projection program for the analysis and presentation of orientation based data. Determine joint sets, perform kinematic analysis of slope stability, and more in this multi-purpose tool. Dips works well with a suite of rock tools, including S Wedge and Un Wedge.

Dips

Applications

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Dips is designed for the interactive analysis of orientation based geological data. The program is capable of many applications and is designed for both the novice user and for the accomplished user of stereographic projection who wishes to utilize more advanced tools in the analysis of geological data.

Dips allows the user to analyze and visualize structural data following the same techniques used in manual stereonets. In addition, it has many computational features, such as statistical contouring of orientation clustering, mean orientation and confidence calculation, cluster variability, kinematic analysis, and qualitative and quantitative feature attribute analysis.

Dips is designed for the analysis of features related to the engineering analysis of rock structures, however, the free format of the Dips data file permits the analysis of any orientation-based data.

Software Screenshots

Dips Figure 1: Stereonet with poles displayed.
Dips Figure 1: Stereonet with poles displayed.
Dips Figure 1: Stereonet with poles displayed.
Dips Figure 2: Radial histogram of strike density or frequency using rosette plot.
Dips Figure 2: Radial histogram of strike density or frequency using rosette plot.
Dips Figure 2: Radial histogram of strike density or frequency using rosette plot.
Dips Figure 3: Kinematic analysis for preliminary rock slope stability analysis.
Dips Figure 3: Kinematic analysis for preliminary rock slope stability analysis.
Dips Figure 3: Kinematic analysis for preliminary rock slope stability analysis.
Dips Figure 4: Plot poles, planes and contours on a 3D hemisphere view.
Dips Figure 4: Plot poles, planes and contours on a 3D hemisphere view.
Dips Figure 4: Plot poles, planes and contours on a 3D hemisphere view.
Dips Figure 1: Stereonet with poles displayed. Dips Figure 1: Stereonet with poles displayed. Dips Figure 2: Radial histogram of strike density or frequency using rosette plot. Dips Figure 2: Radial histogram of strike density or frequency using rosette plot. Dips Figure 3: Kinematic analysis for preliminary rock slope stability analysis. Dips Figure 3: Kinematic analysis for preliminary rock slope stability analysis. Dips Figure 4: Plot poles, planes and contours on a 3D hemisphere view. Dips Figure 4: Plot poles, planes and contours on a 3D hemisphere view.

Product Highlights

  • What’s New in Dips v7.0
  • Stereonet Plots
  • Statistical Analysis
  • Kinematic Analysis
  • Curved Borehole Analysis
  • 3D Hemisphere View

What’s New in Dips v7.0

Dips v7.0 introduces a variety of new features to significantly enhance the functionality of the software:

  • Introducing the 3D Stereosphere, allowing you to plot poles, planes and contours on a 3D hemisphere view, which is the basis for generating a 2D stereonet.
  • New Curved Borehole Analysis eliminates the need for you to manually subdivide curved boreholes into linear segments.
  • Dips v7.0 allows you to calculate true Joint Spacing of joints in a joint set, calculated from distance measurements recorded along a linear or borehole traverse

  • The Kinematic Analysis option in Dips now offers an additional feature: Kinematic Sensitivity Analysis of slope parameters.
  • Contour Arbitrary Data on Stereonet: In addition to contouring pole densities, Dips v7.0 allows you to contour the magnitude of other quantitative directional variables on the stereonet (e.g. principal stress data)

  • A new addition to the stereonet toolkit is the Intersection Calculator. You can now easily find the exact intersection of two planes, or the plane that passes through two points.

Stereonet Plots

The main forms of data visualization in Dips are the various Plot options available in the View menu and View toolbar:

Pole Plots

A Pole Plot is the most basic representation of the orientation data. On a pole plot, points are plotted on a stereonet that correspond to the orientation of either (1) linear features or (2) poles representing planes.

Scatter Plots

A Scatter Plot permits visual analysis of pole distribution by plotting symbols representing the number of approximately coincident poles at a given orientation. Symbols on this plot correspond to actual grid locations, and the quantities represented are the numbers of poles within a half grid spacing of the grid point.

Contour Plots

A Contour Plot is the main tool in Dips for analyzing mean and/or maximum pole concentrations. It is used to visualize the clustering of orientation data not immediately evident from a Pole Plot or a Scatter Plot. The contours represent statistical pole concentrations, calculated using the distribution method (Fisher or Schmidt) specified in the Stereonet Options dialog. A Terzaghi Weighting can be applied to a Contour Plot to correct sampling bias from data collection and to generate a weighted contour plot if the Dips file contains Traverse information.

Major Planes Plot

The Major Planes Plot option in Dips allows the user to view planes only on a clean stereonet, without poles or contours. In addition, a listing of plane orientations is displayed in the legend, in the format governed by the current Convention.

Overlay Contours

A Contour Plot can be overlaid on Pole, Scatter, or Major Planes plots, with the Overlay Contours option.

Statistical Analysis

Statistical Contouring

A Contour Plot is the main tool in Dips for analyzing mean and/or maximum pole concentrations. It is used to visualize the clustering of orientation data not immediately evident from a Pole Plot or a Scatter Plot. The contours represent statistical pole concentrations, calculated using the distribution method (Fisher or Schmidt) specified in the Stereonet Options dialog.

User Defined Set Windows for Joint Sets

Add Set Window allows the user to draw windows around data clusters on the stereonet to obtain mean orientations of data (poles) within the windows. The mean orientations can be plotted as poles and/or planes on the stereonet, and set statistics (confidence and variability cones) can be plotted (Edit Sets option) or listed (Info Viewer option).

Kinematic Analysis

The Kinematic Analysis option for rock slope stability analysis, allows the user to quickly and easily evaluate the potential for planar sliding, wedge sliding, flexural toppling and direct toppling failure modes. Simply input the slope orientation and friction angle, choose the failure mode, and a template is overlaid on the stereonet, highlighting the critical zone. The number of poles or intersections in the critical zone is automatically calculated and displayed in the legend.

The analysis is highly interactive – you can change the input parameters and the stereonet view and analysis results are updated immediately on the screen. You can quickly perform a sensitivity analysis by varying input parameters and exporting results.

Kinematic Sensitivity Analysis

With the Kinematic Sensitivity option, you can enter a range of values for slope dip, slope dip direction, friction angle, and lateral limits, and plot the results for different failure modes (e.g. planar sliding, wedge sliding, toppling). The plots allow you to quickly see the effect of individual variables, while keeping others constant at their mean values.

Curved Borehole Analysis

One of the major features in Dips v7.0 will be the ability to input and analyze data from curved boreholes. You can import Survey and Collar files, and Dips will process the data automatically without the need for the user to manually sub-divide curved boreholes into linear segments

3D Hemisphere View

The 3D Stereosphere allows you to plot poles, planes and contours on a 3D hemisphere view, which is the basis for generating a 2D stereonet. The 3D hemisphere can be rotated for viewing at any angle. This allows you to see the raw orientation data before projection onto 2D. This is a valuable educational and analysis tool which provides an alternative to the traditional two-dimensional stereonet. 3D display options include poles, planes, contours, projection lines, and 2D stereonet using equal angle or equal area projection. The 3D stereosphere does not affect the analysis performed on the 2D stereonet as it is an independent viewing option

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