LightningChart 最新版 v.8.3全新发布，汉化资源等你来拿
本帖最后由 LightningChart 于 2018-4-6 17:32 编辑LightningChart最新版v.8.3全新发布，以下主要介绍新增的五个功能及如何实现。
1. 网格模型，三角鼠标追踪
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Tracing MeshModels with mouse. Traced result is shown in an Annotation.
使用MouseTriangleTraced 事件. 鼠标将会显示离相机最近的三角形
事件参数信息如下:· IntersectionPointAxisValues: intersection point of triangle face, in axes values· ModelSpaceTriangleCoordinates: array of 3 triangle corners (vertices) the mouse is hitting, in 3D model space coordinates· WorldSpaceTriangleCoordinates: array of 3 triangle corners (vertices) the mouse is hitting, in 3D world space coordinates.· NearestCoordinateIndex: Index of nearest coordinate index of traced triangle, value of 0…2. Use the index to extract the coordinate from ModelSpaceTriangleCoordinates or WorldSpaceTriangleCoordinates array.
2. SeriesEventMarkers新样式，Y轴投影
除了常用样式外，SeriesEventMarker支持两个特殊的Symbol.Shape样式设置，实现垂直线与Y轴刻度投影，如图中的HollowYAxis 和 HollowYAxisActive。它们具有1像素宽的垂直线，并且从Y轴 MajorTicks 和MinorTicks 中选取位置。如需调整刻度长度，请编辑YAxis.MajorDivTickStyle.LineLength 和 YAxis.MinorDivTickStyle.LineLength 属性。12.PNG (52.07 KB, 下载次数: 0)
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特殊事件标记样式HollowYAxis 和HollowYAxisActive，便于制作每个系列数据游标。
3.XY线图颜色和样式事件改进
在事件参数中添加数据点指数:· HasDataPointIndices: Only applicable in FreeformPointLineSeries.· DataPointIndices: Data point indices that were included in the coordinates and colors arrays. Note: chart will skip subsequent points in line construction, if their X and Y values or coordinates are equal. Using DataPointIndices info, you can e.g. pick a color for line point, from data point’s PointColor field or external color array.http://www.dxper.net/data/attachment/forum/201804/06/161606f6l0jjlf6guj81dj.png13.PNG (32.56 KB, 下载次数: 0)
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The new data point indices array is handy when picking a color by data point index (upper line),or duplicating coordinates to be make coloring with solid steps (lower line).
4. 极地视图PointLineSeries中新添线样式及颜色事件中设有坐标和颜色操作事件CustomLinePointColoringAndShaping。它包含与XY图相似的数据点指数 (请参考第3小节).http://www.dxper.net/data/attachment/forum/201804/06/161607kjshrmjekkdht03e.png14.PNG (162.47 KB, 下载次数: 0)
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CustomLinePointColoringAndShaping event used to manipulate colors and coordinates of line.5. 极坐标图轴增强· 轴可以通过幅度，角度或两者来反转。反转角度比例，设置AngularReversed = True.反转幅度比例，设置AmplitudeReversed = True.http://www.dxper.net/data/attachment/forum/201804/06/161612pokhxo9jgwj9z9om.png15.PNG (138.07 KB, 下载次数: 0)
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左边的比例没变，右边AngularReversed = True and AmplitudeReversed = True.
· 相比极地图一般方位，给与不同角度的幅度比例
AmplitudeAxisAngle转换幅度轴位置。幅度比例角度可以设置为精准的角度(AmpitudeAxisAngleType = Absolute), 或 (AmpitudeAxisAngleType = Relative).
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AngleOrigin= 30. AmplitudeAxisAngle = 90. On the left, AmplitudeAxisAngleType = Absolute.On the right, AmplitudeAxisAngleType = Relative:Overall the amplitude scale rotates 120degrees in this case.· 角度分区设置默认情况下，图表尽量包含可能多的角度分割。控制角度分区，请设置AngularAxisAutoDivSpacing to False. 图表将会计算AngularAxisMajorDivCount分割区域数。如果图表空间太小而无法渲染所有分区和标签，则会使用可以容纳的分区数量。
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