Element Slopetriangle
JXG.GeometryElement
↳ JXG.Line
↳ Slopetriangle
Slope triangle to visualize the slope of a tangent to a curve, circle or line.
Defined in: slopetriangle.js.
Extends
JXG.Line.
| Constructor Attributes | Constructor Name and Description |
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| Field Attributes | Field Name and Description |
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Attributes for the base line.
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Attributes for the base point.
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Attributes for the gliding helper point.
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Attributes for the slope triangle label.
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Attributes for the tangent.
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Attributes for the top point.
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| Method Attributes | Method Name and Description |
|---|---|
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Returns the direction of the slope triangle, that is the direction of the tangent.
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Value()
Returns the value of the slope triangle, that is the slope of the tangent.
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- Methods borrowed from class JXG.Line:
- addTransform, getAngle, getRise, getSlope, hasPoint, isHorizontal, isVertical, L, maxX, minX, setFixedLength, setLabelRelativeCoords, setStraight, Slope, updateRenderer, updateSegmentFixedLength, updateStdform, X, Y, Z
- Methods borrowed from class JXG.GeometryElement:
- _set, addChild, addDescendants, addParents, addParentsFromJCFunctions, addRotation, addTicks, animate, bounds, clearTrace, cloneToBackground, countChildren, createGradient, createLabel, draggable, eval, evalVisProp, formatNumberLocale, fullUpdate, generatePolynomial, getAttribute, getAttributes, getLabelAnchor, getName, getParents, getProperty, getSnapSizes, getTextAnchor, getType, handleSnapToGrid, hide, hideElement, noHighlight, normalize, prepareUpdate, remove, removeAllTicks, removeChild, removeDescendants, removeTicks, resolveShortcuts, setArrow, setAttribute, setDash, setDisplayRendNode, setLabel, setLabelText, setName, setParents, setPosition, setPositionDirectly, setProperty, show, showElement, 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
Element Detail
Slopetriangle
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This element has no direct constructor. To create an instance of this element you have to call JXG.Board#create
with type "slopetriangle".
- Possible parent array combinations are:
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{JXG.Line} t
- A tangent based on a glider on some object, e.g. curve, circle, line or turtle.
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{JXG.Line} li
{JXG.Point}
- p A line and a point on that line. The user has to take care that the point is a member of the line.
- Throws:
- {Error}
- If the element cannot be constructed with the given parent objects an exception is thrown. Parameter options:
- Examples:
// Create a slopetriangle on a tangent
var f = board.create('plot', ['sin(x)']),
g = board.create('glider', [1, 2, f]),
t = board.create('tangent', [g]),
st = board.create('slopetriangle', [t]);
// Create a on a line and a point on that line
var p1 = board.create('point', [-2, 3]),
p2 = board.create('point', [2, -3]),
li = board.create('line', [p1, p2]),
p = board.create('glider', [0, 0, li]),
st = board.create('slopetriangle', [li, p]);
Attribute Detail
{Line}
baseline
Attributes for the base line.
Defined in: options.js.
Defined in: options.js.
{Point}
basepoint
Attributes for the base point.
Defined in: options.js.
Defined in: options.js.
{Point}
glider
Attributes for the gliding helper point.
Defined in: options.js.
Defined in: options.js.
{Label}
label
Attributes for the slope triangle label.
Defined in: options.js.
Defined in: options.js.
{Line}
tangent
Attributes for the tangent.
The tangent is constructed by slop triangle if the construction
is based on a glider, solely.
Defined in: options.js.
Defined in: options.js.
{Point}
toppoint
Attributes for the top point.
Defined in: options.js.
Defined in: options.js.
Method Detail
{Number}
Direction()
Returns the direction of the slope triangle, that is the direction of the tangent.
- Returns:
- {Number} slope of the tangent.
- See:
- Line#Direction
{Number}
Value()
Returns the value of the slope triangle, that is the slope of the tangent.
- Returns:
- {Number} slope of the tangent.
Attributes borrowed from other Elements
- Attributes borrowed from class JXG.GeometryElement:
- aria, cssClass, dash, dashScale, draft, dragToTopOfLayer, element3D, fillColor, fillOpacity, fixed, frozen, gradient, gradientAngle, gradientCX, gradientCY, gradientEndOffset, gradientFR, gradientFX, gradientFY, gradientR, gradientSecondColor, gradientSecondOpacity, gradientStartOffset, highlight, highlightCssClass, highlightFillColor, highlightFillOpacity, highlightStrokeColor, highlightStrokeOpacity, highlightStrokeWidth, ignoreForLabelAutoposition, isLabel, layer, lineCap, needsRegularUpdate, nonnegativeOnly, precision, priv, rotatable, scalable, shadow, snapToGrid, strokeColor, strokeOpacity, strokeWidth, tabindex, trace, traceAttributes, transitionDuration, transitionProperties, visible, withLabel
Fields borrowed from other Elements
- Fields borrowed from class JXG.Line:
- defaultTicks, parentPolygon, point1, point2, ticks
- Fields borrowed from class JXG.GeometryElement:
- _org_type, _pos, ancestors, baseElement, board, childElements, descendants, dump, elementClass, elType, hasLabel, highlighted, id, inherits, isDraggable, isReal, lastDragTime, methodMap, mouseover, name, needsUpdate, notExistingParents, numTraces, parents, quadraticform, rendNode, stdform, subs, symbolic, traces, transformations, type, visProp, visPropCalc
Methods borrowed from other Elements
- Methods borrowed from class JXG.Line:
- addTransform, getAngle, getRise, getSlope, hasPoint, isHorizontal, isVertical, L, maxX, minX, setFixedLength, setLabelRelativeCoords, setStraight, Slope, updateRenderer, updateSegmentFixedLength, updateStdform, X, Y, Z
- Methods borrowed from class JXG.GeometryElement:
- _set, addChild, addDescendants, addParents, addParentsFromJCFunctions, addRotation, addTicks, animate, bounds, clearTrace, cloneToBackground, countChildren, createGradient, createLabel, draggable, eval, evalVisProp, formatNumberLocale, fullUpdate, generatePolynomial, getAttribute, getAttributes, getLabelAnchor, getName, getParents, getProperty, getSnapSizes, getTextAnchor, getType, handleSnapToGrid, hide, hideElement, noHighlight, normalize, prepareUpdate, remove, removeAllTicks, removeChild, removeDescendants, removeTicks, resolveShortcuts, setArrow, setAttribute, setDash, setDisplayRendNode, setLabel, setLabelText, setName, setParents, setPosition, setPositionDirectly, setProperty, show, showElement, snapToPoints, update, updateVisibility, useLocale
Events borrowed from other Elements