| Paket | mx.charts |
| Klass | public class LogAxis |
| Arv | LogAxis  NumericAxis AxisBase EventDispatcher Object |
| Språkversion: | ActionScript 3.0 |
| Produktversion: | Flex 3 |
| Körningsmiljöversioner: | Flash Player 9, AIR 1.1 |
minimum, maximum,
and interval values from the charting data
to fit all of the chart elements on the screen.
You can also explicitly set specific values for these properties.
A LogAxis object cannot correctly render negative values,
as Log10() of a negative number is undefined.
MXML-syntax
Visa MXML-syntax
Dölj MXML-syntaxThe <mx:LogAxis> tag inherits all the properties
of its parent classes and adds the following properties:
<mx:LogAxis
Properties
interval="10"
maximum="null"
maximumLabelPrecision="null"
minimum="null"
/>
Fler exempel
Relaterade API-element
Publika egenskaper
| Egenskap | Definieras med | ||
|---|---|---|---|
 | autoAdjust : Boolean
Specifies whether Flex rounds values. | NumericAxis | |
| baseAtZero : Boolean
Specifies whether Flex tries to keep the minimum
and maximum values rooted at zero. | NumericAxis | |
| baseline : Number [skrivskyddad]
The computed minimum value for the axis
as long as this value is greater than 0. | NumericAxis | |
| chartDataProvider : Object [lässkyddad]
The data provider assigned to the enclosing chart. | AxisBase | |
| computedMaximum : Number
The computed maximum value represented by this axis. | NumericAxis | |
| computedMinimum : Number
The computed minimum value represented by this axis. | NumericAxis | |
| constructor : Object
En referens till klassobjektet eller konstruktorfunktionen för en given objektinstans. | Object | |
| direction : String
Determines the direction in which the axis is rendered. | NumericAxis | |
| displayName : String
The name of the axis. | AxisBase | |
| interval : Number
Specifies the multiplier label values along the axis. | LogAxis | ||
| labelFunction : Function
Called to format axis values for display as labels. | NumericAxis | |
| maximum : Number
Specifies the maximum value for an axis label. | LogAxis | ||
| maximumLabelPrecision : Number
Specifies the maximum number of decimal places for representing fractional
values on the labels generated by this axis. | LogAxis | ||
| minimum : Number
Specifies the minimum value for an axis label. | LogAxis | ||
| minorTicks : Array [skrivskyddad]
An Array of minor tick marks generated to represent this axis. | NumericAxis | |
| padding : Number
Specifies padding that Flex adds to the calculated minimum and maximum
values for the axis when rendering the values on the screen. | NumericAxis | |
| parseFunction : Function
Specify a parseFunction to customize how
the values rendered by your chart are converted into numeric values. | NumericAxis | |
| title : String
The text for the title displayed along the axis. | AxisBase | |
| unitSize : Number [skrivskyddad]
The size of one unit of data as represented by this axis. | AxisBase | |
Skyddade egenskaper
Publika metoder
| Metod | Definieras med | ||
|---|---|---|---|
LogAxis()
Constructor. | LogAxis | ||
| addEventListener(type:String, listener:Function, useCapture:Boolean = false, priority:int = 0, useWeakReference:Boolean = false):void
Registrerar ett händelseavlyssnarobjekt för ett EventDispatcher-objekt så att avlyssnaren får meddelanden om händelser. | EventDispatcher | |
|
Triggers events that inform the range object
when the chart data has changed. | AxisBase | |
|
Skickar en händelse till händelseflödet. | EventDispatcher | |
|
Filters a set of values of arbitrary type
to a set of numbers that can be mapped. | NumericAxis | |
|
Formats values for display in DataTips. | NumericAxis | |
|
Determines the range to estimate what the axis labels should be. | NumericAxis | |
|
Gets the labels text that is rendered. | NumericAxis | |
|
Kontrollerar om EventDispatcher-objektet har några avlyssnare registrerade för en viss typ av händelse. | EventDispatcher | |
|
Anger om det finns en egenskap angiven för ett objekt. | Object | |
|
Maps a position along the axis back to a numeric data value. | NumericAxis | |
|
Anger om en instans av klassen Object finns i prototypkedjan för objektet som anges som parameter. | Object | |
|
Converts a set of values of arbitrary type
to a set of numbers that can be transformed into screen coordinates. | NumericAxis | |
|
Determines how the axis handles overlapping labels. | NumericAxis | |
|
Anger om den angivna egenskapen finns och är uppräkningsbar. | Object | |
|
Invoked when an AxisRenderer is unable to cleanly render
the labels without overlap, and would like the Axis object
to reduce the set of labels. | NumericAxis | |
|
Each DataTransform that makes use of an axis
registers itself with that axis. | AxisBase | |
|
Tar bort en avlyssnare från EventDispatcher-objektet. | EventDispatcher | |
|
Anger tillgänglighet för en dynamisk egenskap för slingåtgärder. | Object | |
|
Returnerar det här objektets strängrepresentation, formaterad i enlighet med språkspecifika konventioner. | Object | |
|
Returnerar det angivna objektets strängbeteckning. | Object | |
|
Maps a set of values from data space to screen space. | NumericAxis | |
|
Each DataTransform that makes use of an axis
registers itself with that axis. | AxisBase | |
|
Updates the chart. | NumericAxis | |
|
Returnerar det angivna objektets primitiva värde. | Object | |
|
Kontrollerar om en händelseavlyssnare är registrerad för det här EventDispatcher-objektet eller något av dess överordnade objekt för den angivna händelsetypen. | EventDispatcher | |
Skyddade metoder
Egenskapsdetaljer
interval | egenskap |
interval:Number| Språkversion: | ActionScript 3.0 |
| Produktversion: | Flex 3 |
| Körningsmiljöversioner: | Flash Player 9, AIR 1.1 |
Specifies the multiplier label values along the axis.
A value of 10 generates labels at 1, 10, 100, 1000, etc.,
while a value of 100 generates labels at 1, 100, 10000, etc.
Flex calculates the interval if this property
is set to NaN.
Intervals must be even powers of 10, and must be greater than or equal to 10.
The LogAxis rounds the interval down to an even power of 10, if necessary.
Standardvärdet är 10.
Implementering
public function get interval():Number public function set interval(value:Number):voidmaximum | egenskap |
maximum:Number| Språkversion: | ActionScript 3.0 |
| Produktversion: | Flex 3 |
| Körningsmiljöversioner: | Flash Player 9, AIR 1.1 |
Specifies the maximum value for an axis label.
If NaN, Flex determines the maximum value
from the data in the chart.
The maximum value must be an even power of 10.
The LogAxis rounds an explicit maximum value
up to an even power of 10, if necessary.
Standardvärdet är NaN.
Implementering
public function get maximum():Number public function set maximum(value:Number):voidmaximumLabelPrecision | egenskap |
maximumLabelPrecision:Number| Språkversion: | ActionScript 3.0 |
| Produktversion: | Flex 3 |
| Körningsmiljöversioner: | Flash Player 9, AIR 1.1 |
Specifies the maximum number of decimal places for representing fractional values on the labels generated by this axis. By default, the Axis autogenerates this value from the labels themselves. A value of 0 round to the nearest integer value, while a value of 2 rounds to the nearest 1/100th of a value.
Implementering
public function get maximumLabelPrecision():Number public function set maximumLabelPrecision(value:Number):voidminimum | egenskap |
minimum:Number| Språkversion: | ActionScript 3.0 |
| Produktversion: | Flex 3 |
| Körningsmiljöversioner: | Flash Player 9, AIR 1.1 |
Specifies the minimum value for an axis label.
If NaN, Flex determines the minimum value
from the data in the chart.
The minimum value must be an even power of 10.
The LogAxis will round an explicit minimum value
downward to an even power of 10 if necessary.
Standardvärdet är NaN.
Implementering
public function get minimum():Number public function set minimum(value:Number):voidKonstruktordetaljer
LogAxis | () | Konstruktor |
public function LogAxis()| Språkversion: | ActionScript 3.0 |
| Produktversion: | Flex 3 |
| Körningsmiljöversioner: | Flash Player 9, AIR 1.1 |
Constructor.
Exempel Så här använder du exemplet
LogAxisExample.mxml
<?xml version="1.0"?>
<!-- Simple example to demonstrate the LogAxis class. -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:s="library://ns.adobe.com/flex/spark"
xmlns:mx="library://ns.adobe.com/flex/mx">
<fx:Script>
<![CDATA[
import mx.collections.ArrayCollection;
[Bindable]
private var expensesAC:ArrayCollection = new ArrayCollection( [
{ Month: "Jan", Profit: 20000, Expenses: 1500, Amount: 450 },
{ Month: "Feb", Profit: 1000, Expenses: 15000, Amount: 600 },
{ Month: "Mar", Profit: 15000, Expenses: 5000, Amount: 300 },
{ Month: "Apr", Profit: 1800, Expenses: 1200, Amount: 900 },
{ Month: "May", Profit: 2400, Expenses: 575, Amount: 500 } ]);
]]>
</fx:Script>
<mx:Panel title="LogAxis Example" height="100%" width="100%">
<mx:LineChart id="linechart" height="100%" width="100%"
paddingLeft="5" paddingRight="5"
showDataTips="true" dataProvider="{expensesAC}">
<mx:horizontalAxis>
<mx:CategoryAxis categoryField="Month"/>
</mx:horizontalAxis>
<mx:verticalAxis>
<mx:LogAxis interval="10"/>
</mx:verticalAxis>
<mx:series>
<mx:LineSeries yField="Profit" form="curve" displayName="Profit"/>
<mx:LineSeries yField="Expenses" form="curve" displayName="Expenses"/>
<mx:LineSeries yField="Amount" form="curve" displayName="Amount"/>
</mx:series>
</mx:LineChart>
<mx:Legend dataProvider="{linechart}"/>
</mx:Panel>
</s:Application>
Tue Jun 12 2018, 01:40 PM Z