在Mapx中,用BindLayer对象绑出来的范围专题,为什么不能显示范围图例? AFields := CoFields.Create;
AFields.Add(1,'Lon',miAggregationAuto,miTypeFloat);
AFields.Add(2,'Lat',miAggregationAuto,miTypeFloat);
AFields.Add(3,'Value',miAggregationAuto,miTypeFloat);
ABindLayer := CoBindLayer.Create;
ABindLayer.LayerType := miBindLayerTypeXY;
ABindLayer.LayerName := 'Value_Layer';
ABindLayer.RefColumn1 := 'Lon';
ABindLayer.RefColumn2 := 'Lat'; ADataSet := Map.DataSets.Add(miDataSetSafeArray,ATheData,
'Value_DataSet','Lon','Lat',ABindLayer,AFields,False); //创建CI_Value专题
ATheme :=ADataSet.Themes.Add(miThemeRanged,'Value','CI_ValueTheme',False);.......
为什么呢
AFields.Add(1,'Lon',miAggregationAuto,miTypeFloat);
AFields.Add(2,'Lat',miAggregationAuto,miTypeFloat);
AFields.Add(3,'Value',miAggregationAuto,miTypeFloat);
ABindLayer := CoBindLayer.Create;
ABindLayer.LayerType := miBindLayerTypeXY;
ABindLayer.LayerName := 'Value_Layer';
ABindLayer.RefColumn1 := 'Lon';
ABindLayer.RefColumn2 := 'Lat'; ADataSet := Map.DataSets.Add(miDataSetSafeArray,ATheData,
'Value_DataSet','Lon','Lat',ABindLayer,AFields,False); //创建CI_Value专题
ATheme :=ADataSet.Themes.Add(miThemeRanged,'Value','CI_ValueTheme',False);.......
为什么呢
解决方案 »
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