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增加折线图对数轴Log的支持

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This commit is contained in:
monitor1394
2020-01-15 19:41:21 +08:00
parent 4e709ab253
commit f5037dafb1
9 changed files with 198 additions and 34 deletions
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65
Runtime/Component/Main/Axis.cs
View File

@@ -27,14 +27,19 @@ namespace XCharts
{
/// <summary>
/// Numerical axis, suitable for continuous data.
/// 数值轴，适用于连续数据。
/// 数值轴。适用于连续数据。
/// </summary>
Value,
/// <summary>
/// Category axis, suitable for discrete category data. Data should only be set via data for this type.
/// 类目轴，适用于离散的类目数据，为该类型时必须通过 data 设置类目数据。
/// 类目轴。适用于离散的类目数据，为该类型时必须通过 data 设置类目数据。
/// </summary>
Category
Category,
/// <summary>
/// Log axis, suitable for log data.
/// 对数轴。适用于对数数据。
/// </summary>
Log
}
/// <summary>
@@ -103,6 +108,8 @@ namespace XCharts
[SerializeField] protected SplitLineType m_SplitLineType = SplitLineType.Dashed;
[SerializeField] protected bool m_BoundaryGap = true;
[SerializeField] protected int m_MaxCache = 0;
[SerializeField] protected float m_LogBase = 10;
[SerializeField] protected bool m_LogBaseE = false;
[SerializeField] protected List<string> m_Data = new List<string>();
[SerializeField] protected AxisLine m_AxisLine = AxisLine.defaultAxisLine;
[SerializeField] protected AxisName m_AxisName = AxisName.defaultAxisName;
@@ -164,6 +171,15 @@ namespace XCharts
/// </summary>
public bool boundaryGap { get { return m_BoundaryGap; } set { m_BoundaryGap = value; } }
/// <summary>
/// Base of logarithm, which is valid only for numeric axes with type: 'Log'.
/// 对数轴的底数，只在对数轴（type:'Log'）中有效。
/// </summary>
public float logBase { get { return m_LogBase; } set { m_LogBase = value; } }
/// <summary>
/// 对数轴是否以自然数 e 为底数，为 true 时 logBase 失效。
/// </summary>
public bool logBaseE { get { return m_LogBaseE; } set { m_LogBaseE = value; } }
/// <summary>
/// The max number of axis data cache.
/// The first data will be remove when the size of axis data is larger then maxCache.
/// 可缓存的最大数据量。默认为0没有限制，大于0时超过指定值会移除旧数据再插入新数据。
@@ -264,6 +280,8 @@ namespace XCharts
/// 坐标轴原点在Y轴的偏移。
/// </summary>
public float runtimeZeroYOffset { get; internal set; }
public int runtimeMinLogIndex { get { return logBaseE ? (int)Mathf.Log(runtimeMinValue) : (int)Mathf.Log(runtimeMinValue, logBase); } }
public int runtimeMaxLogIndex { get { return logBaseE ? (int)Mathf.Log(runtimeMaxValue) : (int)Mathf.Log(runtimeMaxValue, logBase); } }
private int filterStart;
private int filterEnd;
@@ -312,7 +330,7 @@ namespace XCharts
}
/// <summary>
/// 当前坐标轴是否时类目轴
/// 是否为类目轴。
/// </summary>
/// <returns></returns>
public bool IsCategory()
@@ -321,7 +339,7 @@ namespace XCharts
}
/// <summary>
/// 当前坐标轴是否时数值轴
/// 是否为数值轴。
/// </summary>
/// <returns></returns>
public bool IsValue()
@@ -329,6 +347,15 @@ namespace XCharts
return type == AxisType.Value;
}
/// <summary>
/// 是否为对数轴。
/// </summary>
/// <returns></returns>
public bool IsLog()
{
return type == AxisType.Log;
}
/// <summary>
/// 添加一个类目到类目数据列表
/// </summary>
@@ -447,6 +474,10 @@ namespace XCharts
}
else return m_SplitNumber;
}
else if (type == AxisType.Log)
{
return m_SplitNumber;
}
int dataCount = GetDataList(dataZoom).Count;
if (m_SplitNumber <= 0) return dataCount;
if (dataCount > 2 * m_SplitNumber || dataCount <= 0)
@@ -506,6 +537,7 @@ namespace XCharts
DataZoom dataZoom, bool forcePercent)
{
int split = GetSplitNumber(coordinateWidth, dataZoom);
if (m_Type == AxisType.Value)
{
if (minValue == 0 && maxValue == 0) return string.Empty;
@@ -523,6 +555,12 @@ namespace XCharts
if (forcePercent) return string.Format("{0}%", (int)value);
else return m_AxisLabel.GetFormatterContent(value, minValue, maxValue);
}
else if (m_Type == AxisType.Log)
{
float value = m_LogBaseE ? Mathf.Exp(runtimeMinLogIndex + index) :
Mathf.Pow(m_LogBase, runtimeMinLogIndex + index);
return m_AxisLabel.GetFormatterContent(value, minValue, maxValue, true);
}
var showData = GetDataList(dataZoom);
int dataCount = showData.Count;
if (dataCount <= 0) return "";
@@ -549,7 +587,7 @@ namespace XCharts
/// <returns></returns>
internal int GetScaleNumber(float coordinateWidth, DataZoom dataZoom)
{
if (type == AxisType.Value)
if (type == AxisType.Value || type == AxisType.Log)
{
int splitNum = GetSplitNumber(coordinateWidth, dataZoom);
return m_BoundaryGap ? splitNum + 1 : splitNum;
@@ -660,6 +698,15 @@ namespace XCharts
/// <param name="maxValue"></param>
internal void AdjustMinMaxValue(ref float minValue, ref float maxValue, bool needFormat)
{
if (m_Type == AxisType.Log)
{
int minSplit = 0;
int maxSplit = 0;
maxValue = ChartHelper.GetMaxLogValue(maxValue, m_LogBase, m_LogBaseE, out maxSplit);
minValue = ChartHelper.GetMinLogValue(minValue, m_LogBase, m_LogBaseE, out minSplit);
splitNumber = (minSplit > 0 && maxSplit > 0) ? (maxSplit + minSplit - 1) : (maxSplit + minSplit);
return;
}
if (minMaxType == Axis.AxisMinMaxType.Custom)
{
if (min != 0 || max != 0)
@@ -749,6 +796,12 @@ namespace XCharts
}
}
public float GetLogValue(float value)
{
if (value <= 0) return 0;
return logBaseE ? Mathf.Log(value) : Mathf.Log(value, logBase);
}
public override bool Equals(object obj)
{
if (ReferenceEquals(null, obj))

18
Runtime/Component/Main/Series.cs
View File

@@ -452,7 +452,8 @@ namespace XCharts
return false;
}
public bool UpdateData(string serieName,int dataIndex,List<float> values){
public bool UpdateData(string serieName, int dataIndex, List<float> values)
{
var serie = GetSerie(serieName);
if (serie != null)
{
@@ -460,7 +461,8 @@ namespace XCharts
}
return false;
}
public bool UpdateData(int serieIndex,int dataIndex,List<float> values){
public bool UpdateData(int serieIndex, int dataIndex, List<float> values)
{
var serie = GetSerie(serieIndex);
if (serie != null)
{
@@ -746,16 +748,8 @@ namespace XCharts
}
else
{
if (max > 1)
{
minVaule = Mathf.FloorToInt(min);
maxValue = Mathf.CeilToInt(max);
}
else
{
minVaule = min;
maxValue = max;
}
minVaule = min > 1 ? Mathf.FloorToInt(min) : min;
maxValue = max > 1 ? Mathf.CeilToInt(max) : max;
}
}

9
Runtime/Component/Sub/AxisLabel.cs
View File

@@ -146,10 +146,17 @@ namespace XCharts
}
}
public string GetFormatterContent(float value, float minValue, float maxValue)
public string GetFormatterContent(float value, float minValue, float maxValue, bool isLog = false)
{
if (string.IsNullOrEmpty(m_Formatter))
{
if (isLog)
{
if (value - (int)value == 0)
return ChartCached.IntToStr((int)value);
else
return ChartCached.FloatToStr(value);
}
if (minValue >= -1 && minValue <= 1 && maxValue >= -1 && maxValue <= 1)
{
int minAcc = ChartHelper.GetFloatAccuracy(minValue);