ArcEngine IPageLayout 添加经纬网和公里网

转载于：http://www.gisall.com/html/52/25952-2932.html

向AxPageLayoutControl的PageLayout中添加格网分为两种情况：添加经纬网和添加公里网。

两种情况的很多代码都是相同的，不过区别的地方也是很关键的。

创建经纬网时，是将IMapGrid的对象赋值给IMeasuredGrid对象。

创建公里网时，是将IMeasuredGrid对象的对象赋值给IMapGrid的对象，同时还要为IMeasuredGrid的对象设置投影属性（IProjectedGrid）。

具体代码：

1、创建经纬网。

///

/// 为PageLayout对象添加经纬网格

///

public void CreateGraticuleMapGrid(IPageLayout pPageLayout)

{

//获取MapFrame对象

IActiveView pActiveView = pPageLayout as IActiveView;

IMap pMap = pActiveView.FocusMap;

IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;

IMapFrame. pMapFrame. = pGraphicsContainer.FindFrame(pMap) as IMapFrame;

IMapGrids pMapGrids = pMapFrame. as IMapGrids;

//创建网格对象

IMapGrid pMapGrid = new GraticuleClass();// (IGraticule)pServerContext.CreateObject("esriCarto.Graticule");

pMapGrid.Name = "Map Grid";

//设置网格线的符号样式

ICartographicLineSymbol pLineSymbol;

pLineSymbol = new CartographicLineSymbolClass();

pLineSymbol.Cap = esriLineCapStyle.esriLCSButt;

pLineSymbol.Width = 1;

IRgbColor rgbColor = new RgbColor();

rgbColor.Red = 166;

rgbColor.Green = 187;

rgbColor.Blue = 208;

IColor color = rgbColor as IColor;

pLineSymbol.Color = color;

pMapGrid.LineSymbol = pLineSymbol;

//设置网格的边框样式，为简单边框样式

ISimpleMapGridBorder simpleMapGridBorder = new SimpleMapGridBorderClass();

ISimpleLineSymbol simpleLineSymbol = new SimpleLineSymbolClass();

simpleLineSymbol.Style. = esriSimpleLineStyle.esriSLSSolid;

simpleLineSymbol.Color = BuildRGB(0, 0, 0);

simpleLineSymbol.Width = 2;

simpleMapGridBorder.LineSymbol = simpleLineSymbol as ILineSymbol;

pMapGrid.Border = simpleMapGridBorder as IMapGridBorder ;

pMapGrid.SetTickVisibility(true, true, true, true);

//设置网格的主刻度的样式和可见性

pMapGrid.TickLength = 15;

pLineSymbol = new CartographicLineSymbolClass();

pLineSymbol.Cap = esriLineCapStyle.esriLCSButt;

pLineSymbol.Width = 1;

pLineSymbol.Color = color;

pMapGrid.TickMarkSymbol = null;

pMapGrid.TickLineSymbol = pLineSymbol;

pMapGrid.SetTickVisibility(true, true, true, true);

//设置网格的次一级刻度的样式和可见性

pMapGrid.SubTickCount = 5;

pMapGrid.SubTickLength = 10;

pLineSymbol = new CartographicLineSymbolClass();

pLineSymbol.Cap = esriLineCapStyle.esriLCSButt;

pLineSymbol.Width = 0.1;

pLineSymbol.Color = color;

pMapGrid.SubTickLineSymbol = pLineSymbol;

pMapGrid.SetSubTickVisibility(true, true, true, true);

//设置网格的标签的样式和可见性

IGridLabel pGridLabel;

pGridLabel = pMapGrid.LabelFormat;

pGridLabel.LabelOffset = 15;

stdole.StdFont pFont = new stdole.StdFont();

pFont.Name = "Arial";

pFont.Size = 16;

pMapGrid.LabelFormat.Font = pFont as stdole.IFontDisp;

//设置网格的可见性

pMapGrid.Visible = true;

//创建IMeasuredGrid对象

IMeasuredGrid pMeasuredGrid;

pMeasuredGrid = pMapGrid as IMeasuredGrid;

pMeasuredGrid.FixedOrigin = true;

pMeasuredGrid.XIntervalSize = 0.5; //meridian interval

pMeasuredGrid.XOrigin = 109; //shift grid 5

pMeasuredGrid.YIntervalSize = 0.5; //parallel interval

pMeasuredGrid.YOrigin = 40; //shift grid 5

//将网格对象添加到地图控件中

pMapGrids.AddMapGrid(pMapGrid);

//刷新地图

pActiveView.PartialRefresh(esriViewDrawPhase.esriViewBackground, null, null);

}

2、创建公里网。

public void CreateMeasuredGrid(IPageLayout pPageLayout)

{

try

{

//获取MapFrame对象

IActiveView pActiveView = pPageLayout as IActiveView;

IMap pMap = pActiveView.FocusMap;

IGraphicsContainer pGraphicsContainer = pActiveView as IGraphicsContainer;

IMapFrame. pMapFrame. = pGraphicsContainer.FindFrame(pMap) as IMapFrame;

IMapGrids pMapGrids = pMapFrame. as IMapGrids;

//创建MeasuredGrid对象

IMeasuredGrid pMeasuredGrid = new MeasuredGrid() as IMeasuredGrid;

//设置pMeasuredGrid的投影属性

IProjectedGrid pProjectedGrid = (IProjectedGrid)pMeasuredGrid;

pProjectedGrid.SpatialReference = Map.SpatialReference;

double MaxX,MaxY,MinX,MinY;//动态获取坐标系中的坐标范围，以便设置网格的起始点和间隔

pProjectedGrid.SpatialReference.GetDomain(out MinX, out MaxX , out MinY , out MaxY );

pMeasuredGrid.FixedOrigin = true;

pMeasuredGrid.Units = Map.MapUnits;

pMeasuredGrid.XIntervalSize = (MaxX-MinX)/20;

pMeasuredGrid.XOrigin = MinX;

pMeasuredGrid.YIntervalSize = (MaxY - MinY)/20 ;

pMeasuredGrid.YOrigin = MinY;

//将pMeasuredGrid赋值个IMapGrid对象

IMapGrid pMapGrid = (IMapGrid)pMeasuredGrid;

pMapGrid.Name = "Measureed Grid";

//设置网格线的符号样式

ICartographicLineSymbol pLineSymbol;

pLineSymbol = new CartographicLineSymbolClass();

pLineSymbol.Cap = esriLineCapStyle.esriLCSButt;

pLineSymbol.Width = 1;

IRgbColor rgbColor = new RgbColor();

rgbColor.Red = 166;

rgbColor.Green = 187;

rgbColor.Blue = 208;

IColor color = rgbColor as IColor;

pLineSymbol.Color = color;

pMapGrid.LineSymbol = pLineSymbol;

//设置ICalibratedMapGridBorder的属性

ICalibratedMapGridBorder pCalibratedBorder = (ICalibratedMapGridBorder)new CalibratedMapGridBorder();

IRgbColor gCol = new RgbColor();

gCol.Red = 255;

gCol.Blue = 255;

gCol.Green = 255;

pCalibratedBorder.BackgroundColor = gCol;

IRgbColor ForeColor = new RgbColor();

ForeColor.Red = 0;

ForeColor.Blue = 0;

ForeColor.Green = 0;

pCalibratedBorder.ForegroundColor = ForeColor;

pCalibratedBorder.BorderWidth = 2;

pCalibratedBorder.Interval = 50;

pCalibratedBorder.Alternating = true;

pMapGrid.Border = (IMapGridBorder)pCalibratedBorder;

//设置网格的主刻度的样式和可见性

pMapGrid.TickLength = 15;

pLineSymbol = new CartographicLineSymbolClass();

pLineSymbol.Cap = esriLineCapStyle.esriLCSButt;

pLineSymbol.Width = 1;

pLineSymbol.Color = color;

pMapGrid.TickMarkSymbol = null;

pMapGrid.TickLineSymbol = pLineSymbol;

pMapGrid.SetTickVisibility(true, true, true, true);

//设置网格的次一级刻度的样式和可见性

pMapGrid.SubTickCount = 5;

pMapGrid.SubTickLength = 10;

pLineSymbol = new CartographicLineSymbolClass();

pLineSymbol.Cap = esriLineCapStyle.esriLCSButt;

pLineSymbol.Width = 0.1;

pLineSymbol.Color = color;

pMapGrid.SubTickLineSymbol = pLineSymbol;

pMapGrid.SetSubTickVisibility(true, true, true, true);

//标签格式设置IGridLabel

IGridLabel pGridLabel;

pGridLabel = pMapGrid.LabelFormat;

pGridLabel.LabelOffset = 15;

stdole.StdFont pFont = new stdole.StdFont();

pFont.Name = "Arial";

pFont.Size = 16;

pMapGrid.LabelFormat.Font = pFont as stdole.IFontDisp;

//设置网格的可见性

pMapGrid.Visible = true;

//添加网格对象到地图控件中

pMapGrids.AddMapGrid(pMapGrid);

//刷新地图

pActiveView.PartialRefresh(esriViewDrawPhase.esriViewBackground, null, null);

}

catch (Exception EX)

{

throw EX;

}

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