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Class PolygonalChain

JXG.GeometryElement
   ↳ JXG.Polygon
         ↳ PolygonalChain

A polygonal chain is a connected series of line segments determined by

Each two consecutive points of the list define a line. In JSXGraph, a polygonal chain is simply realized as polygon without the last - closing - point. This may lead to unexpected results. Polygonal chains can be distinguished from polygons by the attribute 'elType' which is 'polygonalchain' for the first and 'polygon' for the latter.

Defined in: polygon.js.
Extends JXG.Polygon.

Class Summary
Constructor Attributes Constructor Name and Description
 
PolygonalChain(vertices)
Fields borrowed from class JXG.Polygon:
borders, vertices
Fields borrowed from class JXG.GeometryElement:
_org_type, _pos, ancestors, baseElement, board, childElements, dash, dashScale, descendants, draft, dragToTopOfLayer, dump, elementClass, elType, fillColor, fillOpacity, fixed, frozen, gradient, gradientAngle, gradientCX, gradientCY, gradientEndOffset, gradientFR, gradientFX, gradientFY, gradientR, gradientSecondColor, gradientSecondOpacity, gradientStartOffset, hasLabel, highlight, highlighted, highlightFillColor, highlightFillOpacity, highlightStrokeColor, highlightStrokeOpacity, highlightStrokeWidth, id, inherits, isDraggable, isLabel, isReal, lastDragTime, layer, lineCap, methodMap, mouseover, name, needsRegularUpdate, needsUpdate, notExistingParents, numTraces, parents, precision, priv, quadraticform, rendNode, rotatable, scalable, shadow, snapToGrid, stdform, strokeColor, strokeOpacity, strokeWidth, subs, symbolic, tabindex, trace, traceAttributes, traces, transformations, transitionDuration, transitionProperties, type, visible, visProp, visPropCalc, withLabel
Fields borrowed from class JXG.Polygon:
borders, vertices
Fields borrowed from class JXG.GeometryElement:
_org_type, _pos, ancestors, baseElement, board, childElements, dash, dashScale, descendants, draft, dragToTopOfLayer, dump, elementClass, elType, fillColor, fillOpacity, fixed, frozen, gradient, gradientAngle, gradientCX, gradientCY, gradientEndOffset, gradientFR, gradientFX, gradientFY, gradientR, gradientSecondColor, gradientSecondOpacity, gradientStartOffset, hasLabel, highlight, highlighted, highlightFillColor, highlightFillOpacity, highlightStrokeColor, highlightStrokeOpacity, highlightStrokeWidth, id, inherits, isDraggable, isLabel, isReal, lastDragTime, layer, lineCap, methodMap, mouseover, name, needsRegularUpdate, needsUpdate, notExistingParents, numTraces, parents, precision, priv, quadraticform, rendNode, rotatable, scalable, shadow, snapToGrid, stdform, strokeColor, strokeOpacity, strokeWidth, subs, symbolic, tabindex, trace, traceAttributes, traces, transformations, transitionDuration, transitionProperties, type, visible, visProp, visPropCalc, withLabel
Methods borrowed from class JXG.Polygon:
addPoints, Area, boundingBox, findPoint, getTextAnchor, hasPoint, hideElement, insertPoints, intersect, L, Perimeter, pnpoly, remove, removePoints, setPositionDirectly, showElement, sutherlandHodgman, updateRenderer
Methods borrowed from class JXG.GeometryElement:
_set, addChild, addDescendants, addParents, addParentsFromJCFunctions, addRotation, addTicks, addTransform, animate, bounds, clearTrace, cloneToBackground, countChildren, createGradient, createLabel, draggable, formatNumberLocale, fullUpdate, generatePolynomial, getAttribute, getAttributes, getLabelAnchor, getName, getParents, getProperty, getSnapSizes, getType, handleSnapToGrid, hide, labelColor, noHighlight, normalize, prepareUpdate, removeAllTicks, removeChild, removeDescendants, removeTicks, resolveShortcuts, setArrow, setAttribute, setDash, setDisplayRendNode, setLabel, setLabelText, setName, setParents, setPosition, setProperty, show, snapToPoints, update, updateVisibility, useLocale
Events borrowed from class JXG.GeometryElement:
attribute, attribute:key, down, drag, keydrag, mousedown, mousedrag, mousemove, mouseout, mouseover, mouseup, move, out, over, pendown, pendrag, penup, touchdown, touchdrag, touchup, up
Class Detail
PolygonalChain(vertices)
Parameters:
{Array} vertices
The polygon's vertices. Additionally, a polygonal chain can be created by providing a polygonal chain and a transformation (or an array of transformations). The result is a polygonal chain which is the transformation of the supplied polygonal chain.


Throws:
{Exception}
If the element cannot be constructed with the given parent objects an exception is thrown.
Examples:
    var attr = {
            snapToGrid: true
        },
        p = [];

	p.push(board.create('point', [-4, 0], attr));
	p.push(board.create('point', [-1, -3], attr));
	p.push(board.create('point', [0, 2], attr));
	p.push(board.create('point', [2, 1], attr));
	p.push(board.create('point', [4, -2], attr));

 var chain = board.create('polygonalchain', p, {borders: {strokeWidth: 3}});


				
                

Documentation generated by JsDoc Toolkit 2.4.0 on Thu Oct 26 2023 19:40:52 GMT-0000 (UTC)