Sampling of one variable. <p> Samplings are often used to represent independent variables for sampled functions. They describe the values at which a f

A plot panel is a panel that contains a mosaic of 2-D graphical views. A plot panel may also contain a color bar and/or title. The plot panel's mosaic

A simple plot is easy to construct and especially useful for quick diagnostic plots of arrays of floats or doubles. Specifically, a simple plot is a p

A plot frame is a window containing one or two plot panels. A plot frame (like any JFrame) has a content pane with a border layout, and it adds a pane

A simple frame for 3D graphics. @author Chris Engelsma and Dave Hale, Colorado School of Mines. @version 2010.12.09

Local smoothing of images with tensor filter coefficients. Smoothing is performed by solving a sparse symmetric positive-definite (SPD) system of equa

Local estimates of orientations of features in images. Methods of this class can compute for each image sample numerous parameters related to orientat

An input stream that implements {@link ArrayInput}. @author Dave Hale, Colorado School of Mines @version 2006.08.05

A group of unstructured points. @author Dave Hale, Colorado School of Mines @version 2009.01.13

A multi-dimensional band-pass filter. Filtering is performed using fast Fourier transforms. The result is equivalent to convolution with an ideal symm

A color map converts a range of double values to colors. For any double value, a color map (1) transforms the value to an integer pixel in the range [

An array of eigen-decompositions of tensors for 2D image processing. Each tensor is a symmetric positive-semidefinite 2-by-2 matrix: <pre><code> A = |

An easy to use fast Fourier transform. This class is less flexible than {@link FftComplex} and {@link FftReal}. For example, the user has less control

Recursive implementation of a Gaussian filter and derivatives. Filters include the 0th, 1st, and 2nd derivatives. The impulse response of the 0th-deri

A group of triangles that represents a triangulated surface. <p> Triangles may be specified by providing an array of packed vertex (x,y,z) coordinates

Piecewise bicubic polynomial interpolation of a function y(x1,x2). The interpolated function has continuous first derivatives dy/d1, dy/d2 and cross-d

Tensor-guided blended neighbor gridding in 2D. Gridding is interpolation of a set of known sample values on a uniformly sampled grid. Here the interpo

Tensor-guided blended neighbor gridding in 3D. Gridding is interpolation of a set of known sample values on a uniformly sampled grid. Here the interpo

Dynamic warping of sequences and images. <p> For sequences f and g, dynamic warping finds a sequence of shifts u such that f[i1] ~ g[i1+u[i1]], subjec

An array of eigen-decompositions of tensors for 3D image processing. Each tensor is a symmetric positive-semidefinite 3-by-3 matrix: <pre><code> |

A local diffusion kernel for use in anisotropic diffusion filtering. <p> This kernel is a filter that computes y += G'DGx where G is a gradient operat

Gridding by interpolation with radial basis functions. This class exists only to implement the interface {@link Gridder2}. It otherwise adds no signif

Recursive symmetric exponential smoothing filter. Except perhaps near the edges of input and output arrays, the impulse response of this two-sided fil

Simple griding of scattered samples of 2D functions f(x1,x2). Each gridded value is simply the average of the values of all known samples that lie wit

A timer that works like a stopwatch. A stopwatch can be started and stopped. A stopwatch is either running or not running. Stopwatch time can be read

Piecewise tricubic polynomial interpolation of a function y(x1,x2,x3). The interpolated function has continuous first derivatives dy/d1, dy/d2, dy/d3

A world is a root node in the scene graph. A world is a group that cannot be a child of any other group. To be viewed, a node must be part of a world.

Piecewise bilinear polynomial interpolation of a function y(x1,x2). <p> The function y(x1,x2) is specified by samples on a regular grid, which need no

OpenGL color state. @author Dave Hale, Colorado School of Mines @version 2005.05.31

A discrete approximation of Sibson's natural neighbor interpolation. Given a set of known samples of a function f(x1,x2,x3) for scattered points (x1,x

Computes local semblance images using local smoothing filters. Local semblance (Hale, 2009) is defined to be a squared smoothed-image divided by a smo

OpenGL point state. @author Dave Hale, Colorado School of Mines @version 2005.05.31

Recursive implementation of a rectangle filter. The rectangle filter is a moving average defined by the following sum: <pre><code> m y

Gridding by Sibson interpolation of scattered samples of f(x1,x2). This class exists only to implement the interface {@link Gridder2}. It otherwise ad

Simple griding of scattered samples of 3D functions f(x1,x2,x3). Each gridded value is simply the average of the values of all known samples that lie

Tensor-guided 2D gridding with bi-harmonic and harmonic splines. At locations where gridded values are not constrained by specified (known) sample val

A set of OpenGL states. State sets can be associated with nodes in a scene graph. During the draw process for a node, these states are applied in the

Steerable pyramid for 2D and 3D images. Includes creation of the steerable pyramid, estimation of local orientation and dimensionality attributes, app

A view of a 2D metric tensor field. A metric tensor corresponds to a symmetric positive-definite 2x2 matrix, and is displayed as an ellipse. Ellipses

Piecewise trilinear polynomial interpolation of a function y(x1,x2,x3). <p> The function y(x1,x2,x3) is specified by samples on a regular grid, which

Interface for filter coefficients indexed in 1 dimension. Filter coefficients may vary with sample index, and will be got through this interface for e

Interface for filter coefficients indexed in 2 dimensions. Filter coefficients may vary with sample indices, and will be got through this interface fo

Interface for filter coefficients indexed in 3 dimensions. Filter coefficients may vary with sample indices, and will be got through this interface fo

An implementation of interface CharStream, where the stream is assumed to contain only ASCII characters (without unicode processing).

The bar alignment relative to the tick. The default alignment is centered.

The alignment of this annotation relative to a point in space (anchor). The default alignment is to the EAST (right) of the anchor.

This class allows safe comparisons of floating point numbers with limited precision. The Comparator interface should be used for instances of java.lan

Wrap another class Almost for junit testing. (junit.jar must be in CLASSPATH)

An annotation. An annotation is fixed-scale text that anchors to a point in space and always faces the camera regardless of the scene's rotation. @au

Demos {@link edu.mines.jtk.sgl.Annotation}. @author Chris Engelsma @version 2017.03.15

Tests {@link edu.mines.jtk.sgl.Annotation}. @author Chris Engelsma @version 2017.03.15

Parses command-line arguments for options and values, using conventions like those used by the UNIX function getopt; e.g., "-a". Also supports GNU-sty

Tests {@link edu.mines.jtk.util.ArgsParser}. @author Dave Hale, Colorado School of Mines @version 2001.02.05, 2006.07.12

An array file expands the capabilities of {@link java.io.RandomAccessFile}. Specifically, an array file has methods for efficiently reading and writin

Benchmark for {@link edu.mines.jtk.io.ArrayFile}. @author Dave Hale, Colorado School of Mines @version 2006.01.17

Tests {@link edu.mines.jtk.io.ArrayFile}. @author Dave Hale, Colorado School of Mines @version 2006.01.14

An interface for reading arrays of primitive values from a binary stream. This interfaces extends the standard interface {@link java.io.DataInput}. It

Implements {@link ArrayInput} by wrapping {@link java.io.DataInput}. This adapter wraps a specified data input to provide methods for reading values a

Benchmark ArrayList of primitives. @author Dave Hale, Colorado School of Mines @version 2005.02.17

Utilities for arrays plus math methods for floats and doubles. <p> The math methods mirror those in the standard {@link java.lang.Math}, but include o

Tests {@link edu.mines.jtk.util.ArrayMath}. @author Dave Hale, Colorado School of Mines @version 2009.06.23

An interface for writing arrays of primitive values to a binary stream. This interfaces extends the standard interface {@link java.io.DataOutput}. It

Implements {@link ArrayOutput} by wrapping {@link java.io.DataOutput}. This adapter wraps a specified data output to provide methods for writing value

An output stream that implements {@link ArrayOutput}. @author Dave Hale, Colorado School of Mines @version 2006.08.05

A first-in-first-out (FIFO) queue implemented with an array. <p> This array-based implementation is optimized for performance. Entries can be added/re

Tests {@link edu.mines.jtk.util.ArrayQueue}. @author Dave Hale, Colorado School of Mines @version 07/16/2008.

An array-based stack. For internal use only. @author Dave Hale, Colorado School of Mines @version 2005.05.23

Implements a Vect by wrapping an array of doubles. The embedded data are exposed by a getData method. For all practical purposes this member is publi

Wrap edu.mines.jtk.opt.ArrayVect1 for junit testing. (junit.jar must be in CLASSPATH)

Implements a Vect by wrapping an array of floats. The embedded data are exposed by a getData method. For all practical purposes this member is public

Unit tests for edu.mines.jtk.opt.ArrayVect1f.

Implements a Vect as a collection of ArrayVect1f's of fixed size. @author W.S. Harlan

Unit tests for edu.mines.jtk.opt.ArrayVect1fs.

Implement a Vect as a two dimensional array of doubles. The embedded data are exposed by a getData method. For all practical purposes this member is

Unit tests for edu.mines.jtk.opt.ArrayVect2.

Implement a Vect as a two dimensional array of floats. The second dimension can be of variable lengths. The embedded data are exposed by a get

Unit tests for edu.mines.jtk.opt.ArrayVect2f.

Implement a Vect as a three-dimensional array of floats. The embedded data are exposed by a getData method. For all practical purposes this member is

Unit tests for edu.mines.jtk.opt.ArrayVect3f.