Powerful Data Interpolation 
Have complete confidence in the accuracy of your model. Surfer provides numerous interpolation methods to grid regularly or irregularly spaced data onto a grid or raster, and each interpolation method provides complete control over gridding parameters. Plus, no time is wasted with multithreaded gridding!

Grid 2D XYZ data with 13 powerful algorithms 
• Kriging
• Co-Kriging 
• Inverse Distance to a Power 
• Minimum Curvature 
• Natural Neighbor
• Nearest Neighbor 
• Polynomail Regression 
• Radial Basis Function 
• Modified Shepard's Method 
• Triangulation with Linear Interpolation 
• Moving Average 
• Data Metrics 
• Local Polynomial
Grid 3D XYZC data with 3 dynamic algorithms 
• Inverse Distance to a Power 
• Local Polynomial 
• Data Metrics
Calculate the TVD of deviated drillholes with 5 calculation methods 
• Tangential 
• Balanced Tangential 
• Minimum Curvature 
• Radius of Curvature 
• Average Tangential

Computational Analysis Tools 
Once your data is interpolated stakeholders are relying on you to understand the project and provide insights that will save them time and money. Surfer empowers you with a robust set of analysis features to extract the most from your data and identify trends, anomalies, or areas of interest.

Grid Convert - convert grid file formats 
Grid Math - apply math function to z values and perform functions between grid files      
Grid Calculus      
• Directional Derivatives 
• Terrain Modeling 
• Differential and Integral Operators 
• Fourier and Spectral Analysis 
Grid Transform - modify XY map coordinates 
Grid Function - apply user defined Z = f(X,Y) functions 
Grid Slice - generate a cross section from a grid 
Grid Residuals - compute vertical difference 
Point Sample - compute Z values of given XY locations 
Contour Volume/Area - compute volume and area above,below, or between contour lines 
Calculate Isopach - calculate thickness between surfaces
Grid Mosaic - combine multiple grids into one 
Grid Extract - create a subset of an existing grid
Grid Editor - directly edit your grid 
• Smooth contours 
• Erase areas 
• Change nodes to a specific value 
• Increase or decrease Z values in an area

Versatile, Publication-Quality Mapping Options 
The right figure can solidify the contract. Surfer offers an extensive list of map types for you to visualize and model all types of data. Each map type contains unique, highly customizable properties that give you full control of your final output. 

• Base 
• Base From Online Server 
• Contour 
• Post
•Classed Post 3D Surface 
• 3D Wireframe 
• Color Relief 
• Grid Values  
• Watershed 
• Grid Vector 
• Point Cloud 
• Viewshed 
• Peaks and Depressions 
• Drillhole 
• Profile
• Graticule

Immersive 3D Modeling 
Gain deeper insights into your data by viewing it in three-dimensional space. Surfer’s 3D view makes it easy to model, analyze, and understand all aspects of your data. Switching between Surfer’s 2D and 3D perspectives ensures you discover all of your data’s patterns and provide a memorable presentation.

• Visualize a 3D grid as a volume render or isosurface 
• Drape aerial or site plan imagery onto a surface 
• Clip 3D grids at custom angles based on XYZ values 
• Create a slice through a 3D grid 
• Display 3D points, 3D base layers, and grids in a comprehensive model 
• Create, edit, and record a fly-through 
• Digitize 3D coordinates 
• Create 3D Drillhole models 
• Export models to 3D PDF and VRMLfiles

Extensive Output Options 
Seamlessly visualize and analyze data from multiple sources for multiple industries. Surfer natively reads numerous file formats and supports all popular export formats. Quickly share your work with colleagues, stakeholders, and clients in geology, hydrology, construction and beyond.

• Universally accepted 2D & 3D PDF 
• Common drafting & GIS file formats such as SHP, TIF, XLSX, JPG, CSV, KML GRD, DXF, VTK and more
• Comprehensive raster and data file formats

Automate Workflows 
Research requires repetition to confirm your findings. Surfer ships with native automation and is compatible with popular third-party applications that wi l help you automate your gridding and mapping workflows. 

Surfer is a Windows based, desktop software.

For Mac, Linux, or Unix users, Surfer can be run using your preferred Windows emulator. We recommend testing the functionality with our trial version before purchasing.

Minimum requirements

• Windows 10, 11, or higher
• 64-bit operation system
• 1024x768 or higher monitor resolution with minimum 16-bit color depth
• 500 MB free hard disk space
• 512 MB RAM
• 3D View: Graphics supporting OpenGL v3.2 or later

System recommendations for best performance

• Windows 10, 11, or higher
• 64-bit operating system
• 500 GB or larger hard-drive with at least 25% disk space available, or higher
• 16 GB RAM, or higher
• 3D View: Graphics card (e.g. NVIDIA, AMD, etc)

Optional settings

• Gridding, contouring, and color relief operations, all of which are heavily computational, are processor reliant and are multi-threaded.  In Surfer, you will find a setting at File | Options | General | Max number of processors to use.  It should be set to use all cores.
• For gridding and contouring operations, CPU performance is important.  The more cores the better. 
• When working consistently with very large data files, more RAM is important.
• ​Turning off auto recovery can help performance in some cases.  It is OFF by default, but it can be enabled at File | Options | General | Save auto recovery information.

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