地形圖標(biāo)準(zhǔn)分幅

1、public enum ScaleMark A, B, C, D, E, F, G, H ;/不同比例尺的號(hào)碼 private int m_1s1000000_row;/1:100萬(wàn)圖幅行 private int m_1s1000000_list;/1：100萬(wàn)圖幅列 private int m_assign_row;/指定比例尺圖幅行 private int m_assign_list;/指定比例尺圖幅列 private int m_scale;/指定比例尺; private FrmGeocodingExport pFGE; private esriUnits m_CurMapUnits;

2、#region 圖幅號(hào)計(jì)算函數(shù) private IEnvelope FromGeocodingDawn() /計(jì)算要素的值 int h = this.m_1s1000000_row ;/1:100萬(wàn)行號(hào) int l = this.m_1s1000000_list ;/1:100萬(wàn)列號(hào) ScaleMark ScaleMark_1s1000000 = new ScaleMark(); IPoint scaleDelta_1s1000000 = new PointClass(); ScaleMark_1s1000000 = 0; this.initialScaleMark(ScaleMark_1s1

3、000000, scaleDelta_1s1000000); double delta_x = scaleDelta_1s1000000.X;/1：100萬(wàn)經(jīng)差(度) double delta_y = scaleDelta_1s1000000.Y;/1：100萬(wàn)緯差(度) ScaleMark pScaleMark = new ScaleMark(); IPoint scaleDelta = new PointClass(); pScaleMark = (ScaleMark )m_scale ; this.initialScaleMark(pScaleMark , scaleDelta); do

4、uble delta_xp = scaleDelta.X;/1：10萬(wàn)經(jīng)差(度) double delta_yp = scaleDelta.Y;/1：10萬(wàn)緯差(度) int hp = m_assign_row; int lp = m_assign_list; IEnvelope pEnvelope = new EnvelopeClass(); if (m_assign_list != 0 && m_assign_row != 0) /進(jìn)行指定圖幅號(hào)左上角點(diǎn)經(jīng)緯度計(jì)算 double ymax = h * delta_y - (hp - 1) * delta_yp; /緯度 do

5、uble xmin = (l - 31) * delta_x + (lp - 1) * delta_xp;/經(jīng)度 /推算指定圖幅號(hào)右下角點(diǎn)坐標(biāo) double ymin = ymax - delta_yp; double xmax = xmin + delta_xp; /將點(diǎn)轉(zhuǎn)換成地圖存儲(chǔ)單位Map(Metres) convertUnits /esriUnits CurMapUnits = this.axMapControl1.Map.MapUnits; IUnitConverter UC_map = new UnitConverterClass(); double yMax = UC_map.

6、ConvertUnits(ymax, esriUnits.esriDecimalDegrees, m_CurMapUnits); double yMin = UC_map.ConvertUnits(ymin, esriUnits.esriDecimalDegrees, m_CurMapUnits); double xMax = UC_map.ConvertUnits(xmax, esriUnits.esriDecimalDegrees, m_CurMapUnits); double xMin = UC_map.ConvertUnits(xmin, esriUnits.esriDecimalDe

7、grees, m_CurMapUnits); pEnvelope.PutCoords(xMin, yMin, xMax, yMax); return pEnvelope; else return null; #endregion #region /各比例尺經(jīng)緯度差 private void initialScaleMark(ScaleMark pScaleMark, IPoint scaleDelta) /IPoint scaleArr = new IPoint8; /IPoint scaleDelta = new PointClass(); switch (pScaleMark) case

8、ScaleMark.A: scaleDelta.X = 6;/1：100萬(wàn)經(jīng)差(度) scaleDelta.Y = 4;/1：100萬(wàn)緯差(度) break; case ScaleMark.B: scaleDelta.X = 3;/1：50萬(wàn)經(jīng)差(度) scaleDelta.Y = 2;/1：50萬(wàn)緯差(度) break; case ScaleMark.C: scaleDelta.X = 1.5;/1：25萬(wàn)經(jīng)差(度) scaleDelta.Y = 1;/1：25萬(wàn)緯差(度) break; case ScaleMark.D: scaleDelta.X = 0.5;/1：10萬(wàn)經(jīng)差(度) sca

9、leDelta.Y = 0.33333;/1：10萬(wàn)緯差(度) break; case ScaleMark.E: scaleDelta.X = 0.25;/1：5萬(wàn)經(jīng)差(度) scaleDelta.Y = 0.16667;/1：5萬(wàn)緯差(度) break; case ScaleMark.F: scaleDelta.X = 0.125;/1：2.5萬(wàn)經(jīng)差(度) scaleDelta.Y = 0.08333;/1：2.5萬(wàn)緯差(度) break; case ScaleMark.G: scaleDelta.X = 0.0625;/1：1萬(wàn)經(jīng)差(度) scaleDelta.Y = 0.04167;/1

10、：1萬(wàn)緯差(度) break; case ScaleMark.H: scaleDelta.X = 0.03125;/1：5000經(jīng)差(度) scaleDelta.Y = 0.02083;/1：5000緯差(度) break; #endregion #region /調(diào)整elements里面的顯示框標(biāo)準(zhǔn)（因?yàn)槲矣昧薃E中pagelayout的模板，所以要把MapFrame調(diào)整到圖幅框的縮放比例） public void AdjustMapFrameInPageLayout(IMapFrame pMapFrame, IEnvelope pMapControlEnv) /調(diào)整elements里面的顯

11、示框標(biāo)準(zhǔn) /IMapFrame pMapFrame = (IActiveView)this.axPageLayoutControl1.PageLayout).GraphicsContainer.FindFrame(this.axPageLayoutControl1.ActiveView.FocusMap) as IMapFrame; IElement pElement = pMapFrame as IElement; /獲取當(dāng)前mapFrame的中心點(diǎn)坐標(biāo)； IEnvelope MainEnv = pElement.Geometry.Envelope; pElement.QueryBounds

12、(this.axPageLayoutControl1.ActiveView.ScreenDisplay, MainEnv); IPoint pCenterPoint = new PointClass();/MapFrame中心點(diǎn)坐標(biāo) pCenterPoint.X = MainEnv.XMax - MainEnv.Width / 2; pCenterPoint.Y = MainEnv.YMax - MainEnv.Height / 2; /根據(jù)當(dāng)前MapFrame的標(biāo)準(zhǔn)和pEnvelope的比例關(guān)系決定更改后的MapFrame長(zhǎng)寬度 double ratio = pMapControlEnv.H

13、eight / pMapControlEnv.Wi dth; double CurMapFrameRatio = MainEnv.Height / MainEnv.Width; /IEnvelope pageEnvelope = this.axPageLayoutControl1.PageLayout.Page.PrintableBounds; double dDataFrameWidth, dDataFrameHeight; double scale; if (ratio >= CurMapFrameRatio) dDataFrameHeight = MainEnv.Height; d

14、DataFrameWidth = dDataFrameHeight / ratio; else dDataFrameWidth = MainEnv.Width;/地圖MapFrame應(yīng)該的寬度 dDataFrameHeight = dDataFrameWidth * ratio;/地圖MapFrame應(yīng)該的高度 IElement tempElement = pMapFrame as IElement; tempElement.Geometry = pMapControlEnv; ITransform2D pTransform2d = (ITransform2D)tempElement; IPo

15、int pFrameCenter = new PointClass(); pFrameCenter.X = pMapControlEnv.XMax - pMapControlEnv.Width / 2; pFrameCenter.Y = pMapControlEnv.YMax - pMapControlEnv.Height / 2; scale = dDataFrameWidth / pMapControlEnv.Width;/縮放比例 double dx = pCenterPoint.X - pFrameCenter.X; double dy = pCenterPoint.Y - pFram

16、eCenter.Y; pTransform2d.Move(dx, dy);/移動(dòng)到指定位置 pTransform2d.Scale(pCenterPoint, scale, scale);/將MapFrame圖形縮放 #endregion /最后圖幅加載到pagelayout中顯示，是單擊按鈕事件哦 private void bt_contain_Click(object sender, EventArgs e) try this.splitCodeValue(); this.pFGE.axPageLayoutControl1.LoadMxFile(pFGE.filename, "&q

17、uot;); /生成指定圖幅號(hào)圖幅兩個(gè)對(duì)角點(diǎn)的坐標(biāo) IEnvelope FromGeocodingDawn(string geocoding) /double xMin = 555000; /double yMin = 2898000; /double xMax = 560000; /double yMax = 2904000; /確定一個(gè)矩形 IEnvelope pEnvelope = new EnvelopeClass(); pEnvelope = this.FromGeocodingDawn();/.PutCoords(xMin, yMin, xMax, yMax); /用此矩形切底圖，

18、并加載到pagelayoutcontrol中顯示 IActiveView pActiveView = pFGE.axMapControl1.ActiveView.FocusMap as IActiveView; pFGE.axMapControl1.ActiveView.Extent = pEnvelope; IActiveView activeView = pFGE.axPageLayoutControl1.ActiveView.FocusMap as IActiveView; IDisplayTransformation DT = new DisplayTransformationClass(); DT = activeView.ScreenDisplay.DisplayTransformation; DT.VisibleBounds = pEnvelope; activeView.Refresh(); /調(diào)整el