Class SpringDrawing

java.lang.Object

java.awt.Component

java.awt.Container

java.awt.Panel

java.applet.Applet

processing.core.PApplet

SpringDrawing

All Implemented Interfaces:

FocusListener, KeyListener, MouseListener, MouseMotionListener, ImageObserver, MenuContainer, Serializable, Runnable, EventListener, Accessible, processing.core.PConstants

public class SpringDrawing
extends processing.core.PApplet

A program for computing network layouts with the "spring embedder" paradigm examples of input parameters: data/ash85.mtx

Author:

Luca Castelli Aleardi (Ecole Polytechnique, 2021)

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class processing.core.PApplet

processing.core.PApplet.RegisteredMethods, processing.core.PApplet.RendererChangeException

Nested classes/interfaces inherited from class java.applet.Applet

Applet.AccessibleApplet

Nested classes/interfaces inherited from class java.awt.Panel

Panel.AccessibleAWTPanel

Nested classes/interfaces inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field	Description
(package private) Jcg.geometry.Point_2	a
(package private) Jcg.geometry.Point_2	b
private int	backgroundColor
(package private) double	boundaryThickness
Jcg.geometry.Point_2	current
private int	edgeColor
private int	edgeOpacity
static AdjacencyListGraph	inputGraph	input graph to draw
FR91Layout	layout	Layout algorithm
boolean	runAllIterations
Node	selectedNode	node selected with mouse click (to show)
static int	sizeX
static int	sizeY
protected double	xmax
protected double	xmin
protected double	ymax
protected double	ymin

Fields inherited from class processing.core.PApplet

args, ARGS_BGCOLOR, ARGS_DISPLAY, ARGS_EDITOR_LOCATION, ARGS_EXCLUSIVE, ARGS_EXTERNAL, ARGS_HIDE_STOP, ARGS_LOCATION, ARGS_PRESENT, ARGS_SKETCH_FOLDER, ARGS_STOP_COLOR, DEFAULT_HEIGHT, DEFAULT_WIDTH, defaultSize, disposeMethods, dmouseX, dmouseY, drawMethods, emouseX, emouseY, exitCalled, EXTERNAL_MOVE, EXTERNAL_STOP, finished, firstMouse, focused, frame, frameCount, frameRate, frameRateLastNanos, frameRatePeriod, frameRateTarget, g, height, ICON_IMAGE, javaVersion, javaVersionName, key, keyCode, keyEvent, keyEventMethods, keyPressed, loadImageFormats, loadShapeFormats, looping, matchPatterns, MENU_SHORTCUT, MIN_WINDOW_HEIGHT, MIN_WINDOW_WIDTH, mouseButton, mouseEvent, mouseEventMethods, mousePressed, mouseX, mouseY, online, parentFrame, paused, pixels, platform, pmouseX, pmouseY, postMethods, preMethods, recorder, redraw, requestImageMax, screen, screenHeight, screenWidth, selectedFile, sizeMethods, sketchPath, useQuartz, width

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Fields inherited from interface processing.core.PConstants

A, AB, ADD, AG, ALPHA, ALPHA_MASK, ALT, AMBIENT, AR, ARC, ARGB, ARROW, B, BACKSPACE, BASELINE, BEEN_LIT, BEVEL, BILINEAR, BLEND, BLUE_MASK, BLUR, BOTTOM, BOX, BURN, CENTER, CENTER_DIAMETER, CENTER_RADIUS, CHATTER, CLAMP, CLOSE, CMYK, CODED, COMPLAINT, CONTROL, CORNER, CORNERS, CROSS, CUSTOM, DA, DARKEST, DB, DEG_TO_RAD, DELETE, DG, DIAMETER, DIFFERENCE, DILATE, DIRECTIONAL, DISABLE_ACCURATE_TEXTURES, DISABLE_DEPTH_MASK, DISABLE_DEPTH_SORT, DISABLE_DEPTH_TEST, DISABLE_NATIVE_FONTS, DISABLE_OPENGL_2X_SMOOTH, DISABLE_OPENGL_ERROR_REPORT, DODGE, DOWN, DR, DXF, DYNAMIC, EB, EDGE, EG, ELLIPSE, ENABLE_ACCURATE_TEXTURES, ENABLE_DEPTH_MASK, ENABLE_DEPTH_SORT, ENABLE_DEPTH_TEST, ENABLE_NATIVE_FONTS, ENABLE_OPENGL_2X_SMOOTH, ENABLE_OPENGL_4X_SMOOTH, ENABLE_OPENGL_ERROR_REPORT, ENTER, EPSILON, ER, ERODE, ERROR_BACKGROUND_IMAGE_FORMAT, ERROR_BACKGROUND_IMAGE_SIZE, ERROR_PUSHMATRIX_OVERFLOW, ERROR_PUSHMATRIX_UNDERFLOW, ERROR_TEXTFONT_NULL_PFONT, ESC, EXCLUSION, FIXED, G, GIF, GRAY, GREEN_MASK, HALF_PI, HAND, HARD_LIGHT, HAS_NORMAL, HINT_COUNT, HSB, IMAGE, INVERT, JAVA2D, JPEG, LEFT, LIGHTEST, LINE, LINE_LOOP, LINE_STRIP, LINEAR, LINES, LINUX, MACOSX, MAX_FLOAT, MAX_INT, MIN_FLOAT, MIN_INT, MITER, MODEL, MODELVIEW, MOVE, MULTIPLY, NORMAL, NORMALIZED, NX, NY, NZ, OPAQUE, OPEN, OPENGL, OPENGL2, ORTHOGRAPHIC, OTHER, OVERLAY, P2D, P3D, PATH, PDF, PERSPECTIVE, PI, platformNames, POINT, POINT_SPRITES, POINTS, POLYGON, POSTERIZE, PROBLEM, PROG_GL2, PROG_GL3, PROG_GL4, PROJECT, PROJECTION, QUAD, QUAD_STRIP, QUADRATIC, QUADS, QUARTER_PI, R, RAD_TO_DEG, RADIUS, RECT, RED_MASK, REPEAT, REPLACE, RETURN, RGB, RIGHT, ROUND, SA, SB, SCREEN, SG, SHAPE, SHIFT, SHINE, SOFT_LIGHT, SPB, SPG, SPHERE, SPOT, SPR, SQUARE, SR, STATIC, STREAM, SUBTRACT, SW, TAB, TARGA, TEXT, TEXTURE2D, THIRD_PI, THRESHOLD, TIFF, TOP, TRIANGLE, TRIANGLE_FAN, TRIANGLE_STRIP, TRIANGLES, TRILINEAR, TWO_PI, TX, TY, TZ, U, UP, V, VERTEX_FIELD_COUNT, VW, VX, VY, VZ, WAIT, WHITESPACE, WINDOWS, X, Y, Z

Constructor Summary

Constructors

Constructor	Description
SpringDrawing()

Method Summary

Modifier and Type	Method	Description
double[]	boundingBox()	Return the current coordinates of the bounding box
void	display2D()	Draw the skeleton of a graph in 2D using a Processing frame
void	draw()	Main method for drawing the applet
void	drawColoredSegment(Jcg.geometry.Point_2 u, Jcg.geometry.Point_2 v, int r, int g, int b)	Draw a colored edge (u, v)
void	drawOptions()
void	drawSegment(Jcg.geometry.Point_2 u, Jcg.geometry.Point_2 v)	Draw a gray edge (u, v)
void	drawVertex(Node u, double distortion, double maxDistortion)	Draw a vertex u on the canvas
void	drawVertexLabel(Node u)	Draw a vertex label on the canvas (close to the node location)
int[]	getPoint(Jcg.geometry.Point_2 v)	Return the integer coordinates of a pixel corresponding to a given point Warning: we must take care of the following parameters: -) the size of the canvas -) the size of bottom and left panels -) the negative direction of y-coordinates (in java drawing)
String	getVertexLabel(Node u)	Compute the label of a vertex, from its index, spectral distortion and vertex age
void	keyPressed()	Deal with keyboard events
static void	main(String[] args)	For running the PApplet as Java application
void	mouseClicked()
void	mouseDragged()
void	mousePressed()
void	mouseReleased()
void	performOneIteration()
Node	selectNode(int i, int j)	Select the vertex whose 2d projection is the closest to pixel (i, j)
void	setup()	Initialize the frame
protected void	update(double x, double y)	Update of the bounding box
void	updateBoundingBox()	Update the range of the drawing region (defined by corners points 'a' and 'b')
void	zoom(double factor)

Methods inherited from class processing.core.PApplet

abs, abs, acos, addListeners, alpha, ambient, ambient, ambient, ambientLight, ambientLight, append, append, append, append, append, append, applyMatrix, applyMatrix, applyMatrix, applyMatrix, applyMatrix, arc, arraycopy, arraycopy, arraycopy, arrayCopy, arrayCopy, arrayCopy, asin, atan, atan2, autoNormal, background, background, background, background, background, background, background, beginCamera, beginRaw, beginRaw, beginRecord, beginRecord, beginRecord, beginShape, beginShape, beginText, bezier, bezier, bezierDetail, bezierPoint, bezierTangent, bezierVertex, bezierVertex, binary, binary, binary, binary, blend, blend, blendColor, blue, box, box, breakShape, brightness, camera, camera, ceil, checkKeyEvent, checkMouseEvent, checkParentFrame, color, color, color, color, color, color, color, color, colorMode, colorMode, colorMode, colorMode, concat, concat, concat, concat, concat, concat, concat, constrain, constrain, copy, copy, cos, createDefaultFont, createFont, createFont, createFont, createGraphics, createGraphics, createImage, createImage, createInput, createInput, createInputRaw, createOutput, createOutput, createPath, createPath, createReader, createReader, createReader, createShape, createWriter, createWriter, createWriter, cursor, cursor, cursor, cursor, curve, curve, curveDetail, curvePoint, curveTangent, curveTightness, curveVertex, curveVertex, dataFile, dataPath, day, degrees, delay, delete, dequeueKeyEvents, dequeueMouseEvents, destroy, die, die, directionalLight, displayable, dispose, dist, dist, edge, ellipse, ellipseMode, emissive, emissive, emissive, endCamera, endRaw, endRecord, endShape, endShape, endText, enqueueKeyEvent, enqueueMouseEvent, exec, exit, exp, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, expand, fill, fill, fill, fill, fill, fill, filter, filter, floor, flush, focusGained, focusGained, focusLost, focusLost, frameRate, frustum, get, get, get, getCache, getMatrix, getMatrix, getMatrix, getParams, green, handleDraw, handleKeyEvent, handleMouseEvent, hex, hex, hex, hex, hint, hintEnabled, hour, hue, image, image, image, imageMode, init, insertFrame, isRecording, join, join, keyPressed, keyReleased, keyReleased, keyTyped, keyTyped, lerp, lerpColor, lerpColor, lightFalloff, lights, lightSpecular, line, line, link, link, loadBytes, loadBytes, loadBytes, loadFont, loadImage, loadImage, loadImage, loadImage, loadImageIO, loadImageMT, loadImageTGA, loadPixels, loadShape, loadShape, loadStrings, loadStrings, loadStrings, log, loop, mag, mag, makeGraphics, map, mask, mask, match, matchAll, matrixMode, max, max, max, max, max, max, mergeShapes, method, millis, min, min, min, min, min, min, minute, modelX, modelY, modelZ, month, mouseClicked, mouseDragged, mouseEntered, mouseExited, mouseMoved, mouseMoved, mousePressed, mouseReleased, nf, nf, nf, nf, nfc, nfc, nfc, nfc, nfp, nfp, nfp, nfp, nfs, nfs, nfs, nfs, noCursor, noFill, noise, noise, noise, noiseDetail, noiseDetail, noiseSeed, noLights, noLoop, norm, normal, noSmooth, noStroke, noTexture, noTint, open, open, openStream, ortho, ortho, ortho, paint, param, parseBoolean, parseBoolean, parseBoolean, parseBoolean, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseByte, parseChar, parseChar, parseChar, parseChar, parseFloat, parseFloat, parseFloat, parseFloat, parseFloat, parseFloat, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, parseInt, perspective, perspective, point, point, pointLight, popMatrix, popStyle, pow, print, print, print, print, print, print, print, printCamera, println, println, println, println, println, println, println, println, printMatrix, printProjection, pushMatrix, pushStyle, quad, quadVertex, quadVertex, radians, random, random, randomSeed, rect, rect, rect, rectMode, red, redraw, registerDispose, registerDraw, registerKeyEvent, registerMouseEvent, registerNoArgs, registerPost, registerPre, registerSize, registerWithArgs, removeCache, removeParams, requestImage, requestImage, requestImage, resetMatrix, resizeRenderer, reverse, reverse, reverse, reverse, reverse, reverse, reverse, rotate, rotate, rotateX, rotateY, rotateZ, round, run, runSketch, runSketch, runSketch, saturation, save, saveBytes, saveBytes, saveBytes, saveFile, saveFrame, saveFrame, savePath, saveStream, saveStream, saveStream, saveStream, saveStrings, saveStrings, saveStrings, scale, scale, scale, screenBlend, screenX, screenX, screenY, screenY, screenZ, second, selectFileImpl, selectFolder, selectFolder, selectInput, selectInput, selectOutput, selectOutput, set, set, setCache, setMatrix, setMatrix, setMatrix, setParams, setupExternalMessages, setupFrameResizeListener, shape, shape, shape, shapeMode, shapeName, shearX, shearY, shininess, shorten, shorten, shorten, shorten, shorten, shorten, shorten, showDepthWarning, showDepthWarningXYZ, showMethodWarning, showMissingWarning, showVariationWarning, sin, size, size, size, sketchFile, sketchHeight, sketchPath, sketchRenderer, sketchWidth, smooth, sort, sort, sort, sort, sort, sort, sort, sort, sort, sort, specular, specular, specular, sphere, sphereDetail, sphereDetail, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, splice, split, split, splitTokens, splitTokens, spotLight, sq, sqrt, start, status, stop, str, str, str, str, str, str, str, str, str, str, stroke, stroke, stroke, stroke, stroke, stroke, strokeCap, strokeJoin, strokeWeight, style, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, subset, tan, text, text, text, text, text, text, text, text, text, text, text, text, text, text, textAlign, textAlign, textAscent, textDescent, textFont, textFont, textLeading, textMode, textSize, texture, texture, textureBlend, textureMode, textWidth, textWidth, textWidth, thread, tint, tint, tint, tint, tint, tint, translate, translate, triangle, trim, trim, unbinary, unhex, unregisterDispose, unregisterDraw, unregisterKeyEvent, unregisterMouseEvent, unregisterNoArgs, unregisterPost, unregisterPre, unregisterSize, unregisterWithArgs, update, updatePixels, updatePixels, vertex, vertex, vertex, vertex, vertex, vertexFields, year

Methods inherited from class java.applet.Applet

getAccessibleContext, getAppletContext, getAppletInfo, getAudioClip, getAudioClip, getCodeBase, getDocumentBase, getImage, getImage, getLocale, getParameter, getParameterInfo, isActive, isValidateRoot, newAudioClip, play, play, resize, resize, setStub, showStatus

Methods inherited from class java.awt.Panel

addNotify

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getMousePosition, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, paramString, preferredSize, print, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, removeNotify, setComponentZOrder, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, setLayout, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, requestFocusInWindow, reshape, revalidate, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setMixingCutoutShape, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

xmin

protected double xmin

xmax

protected double xmax

ymin

protected double ymin

ymax

protected double ymax

boundaryThickness

double boundaryThickness

backgroundColor

private int backgroundColor

edgeColor

private int edgeColor

edgeOpacity

private int edgeOpacity

runAllIterations

public boolean runAllIterations

selectedNode

public Node selectedNode

node selected with mouse click (to show)

current

public Jcg.geometry.Point_2 current

layout

public FR91Layout layout

Layout algorithm

inputGraph

public static AdjacencyListGraph inputGraph

input graph to draw

sizeX

public static int sizeX

sizeY

public static int sizeY

a

Jcg.geometry.Point_2 a

b

Jcg.geometry.Point_2 b

Constructor Details

SpringDrawing

public SpringDrawing()

Method Details

setup

public void setup()

Initialize the frame

Overrides:

setup in class processing.core.PApplet

draw

public void draw()

Main method for drawing the applet

Overrides:

draw in class processing.core.PApplet

keyPressed

public void keyPressed()

Deal with keyboard events

Overrides:

keyPressed in class processing.core.PApplet

drawOptions

public void drawOptions()

performOneIteration

public void performOneIteration()

zoom

public void zoom(double factor)

mouseClicked

public void mouseClicked()

Overrides:

mouseClicked in class processing.core.PApplet

mousePressed

public void mousePressed()

Overrides:

mousePressed in class processing.core.PApplet

mouseReleased

public void mouseReleased()

Overrides:

mouseReleased in class processing.core.PApplet

mouseDragged

public void mouseDragged()

Overrides:

mouseDragged in class processing.core.PApplet

update

protected void update(double x,
 double y)

Update of the bounding box

updateBoundingBox

public void updateBoundingBox()

Update the range of the drawing region (defined by corners points 'a' and 'b')

boundingBox

public double[] boundingBox()

Return the current coordinates of the bounding box

getPoint

public int[] getPoint(Jcg.geometry.Point_2 v)

Return the integer coordinates of a pixel corresponding to a given point Warning: we must take care of the following parameters: -) the size of the canvas -) the size of bottom and left panels -) the negative direction of y-coordinates (in java drawing)

drawSegment

public void drawSegment(Jcg.geometry.Point_2 u,
 Jcg.geometry.Point_2 v)

Draw a gray edge (u, v)

drawColoredSegment

public void drawColoredSegment(Jcg.geometry.Point_2 u,
 Jcg.geometry.Point_2 v,
 int r,
 int g,
 int b)

Draw a colored edge (u, v)

drawVertex

public void drawVertex(Node u,
 double distortion,
 double maxDistortion)

Draw a vertex u on the canvas

drawVertexLabel

public void drawVertexLabel(Node u)

Draw a vertex label on the canvas (close to the node location)

selectNode

public Node selectNode(int i,
 int j)

Select the vertex whose 2d projection is the closest to pixel (i, j)

display2D

public void display2D()

Draw the skeleton of a graph in 2D using a Processing frame

getVertexLabel

public String getVertexLabel(Node u)

Compute the label of a vertex, from its index, spectral distortion and vertex age

main

public static void main(String[] args)

For running the PApplet as Java application