public static IRasterRenderer ClassifyRenderer(IRasterLayer raslyr,IRgbColor start_clr,IRgbColor end_clr,int count)
{
IRasterClassifyColorRampRenderer pRClassRend = new RasterClassifyColorRampRendererClass();
IRasterRenderer rasterRenderer = pRClassRend as IRasterRenderer;
IRaster pRaster = raslyr.Raster;
IRasterBandCollection pRBandCol = pRaster as IRasterBandCollection;
IRasterBand pRBand = pRBandCol.Item(0);
if (pRBand.Histogram == null)
{
pRBand.ComputeStatsAndHist();
}
rasterRenderer.Raster = pRaster;
pRClassRend.ClassCount = count;
rasterRenderer.Update();
IAlgorithmicColorRamp colorRamp = new AlgorithmicColorRampClass();
colorRamp.Size = count;
colorRamp.FromColor = start_clr;
colorRamp.ToColor = end_clr;
bool createColorRamp;
colorRamp.CreateRamp(out createColorRamp);
IFillSymbol fillSymbol = new SimpleFillSymbolClass();
for (int i = 0; i < pRClassRend.ClassCount; i++)
{
fillSymbol.Color = colorRamp.get_Color(i);
pRClassRend.set_Symbol(i, fillSymbol as ISymbol);
pRClassRend.set_Label(i, pRClassRend.get_Break(i).ToString("0.00"));
}
return rasterRenderer;
}
public frmRaterSym1(IRasterLayer rasLayer, AxMapControl mapcontrol, AxTOCControl toccontrol)
{
InitializeComponent();
this.rasterlayer = rasLayer;
axmapcontrol = mapcontrol;
axtoccontrol = toccontrol;
}
//Lenber 2009-5-21
public List<string> getALLCounts(IRasterLayer raserLayer,ref int counts)
{
List<string> lstValues = new List<string>();
IRaster2 raster = raserLayer.Raster as IRaster2;
ITable rasterTable = raster.AttributeTable;
IFields pFields = rasterTable.Fields;
int pFieldIndex = pFields.FindField("Count");
if (pFieldIndex < 0)
{
return null;
}
ICursor pc = rasterTable.Search(null, false);
IRow prow = pc.NextRow();
while(prow!=null)
{
string val= prow.get_Value(pFieldIndex).ToString();
lstValues.Add(val);
prow = pc.NextRow();
}
counts = rasterTable.RowCount(null);
return lstValues;
}
/// <summary>
/// Gets the render color of the specific value in the input raster layer.
/// </summary>
/// <param name="value"></param>
/// <param name="rasterLayer"></param>
/// <returns></returns>
public static IColor GetRenderColor(IRasterLayer rasterLayer, double value)
{
RenderType renderType = GetRenderType(rasterLayer);
IColor renderColor = null;
switch (renderType)
{
case RenderType.Classified:
renderColor = GetRenderColor_Classified(rasterLayer, value);
break;
case RenderType.DiscreteColor:
renderColor = GetRenderColor_DiscreteColor(rasterLayer, value);
break;
case RenderType.Stretched:
renderColor = GetRenderColor_Stretched(rasterLayer, value);
break;
case RenderType.UniqueValues:
renderColor = GetRenderColor_UniqueValues(rasterLayer, value);
break;
default:
break;
}
return renderColor;
}
private void btn_OkStretch_Click(object sender, EventArgs e)
{
try
{
string RasterName = cbb_RasterLayersStretch.SelectedItem.ToString();
rasterlayer = GetRasterLayer(RasterName);
IRasterStretchColorRampRenderer rasStreRen = new RasterStretchColorRampRendererClass();
IRasterRenderer rasRen = rasStreRen as IRasterRenderer;
rasRen.Raster = rasterlayer.Raster;
rasRen.Update();
rasStreRen.BandIndex = cbb_BandStretch.SelectedIndex;
pListRamp = style.pListRamp;
rasStreRen.ColorRamp = (IColorRamp)pListRamp[cbbs_ColorStretch.SelectedIndex];
rasRen.Update();
rasterlayer.Renderer = rasStreRen as IRasterRenderer;
IRasterStretch2 stretch = rasStreRen as IRasterStretch2;
stretch.BackgroundValue = 0;
stretch.Background = true;
stretch.BackgroundColor = RasterRender.GET(255, 255, 255) as IColor;
axmapcontrol.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
axtoccontrol.Update();
axmapcontrol.Extent = rasterlayer.AreaOfInterest;
this.Close();
}
catch (Exception ec)
{
MessageBox.Show(ec.Message);
}
}
public frmSymbology(IRasterLayer rasterLayer, IMapControl2 mainMap, ITOCControl2 mainToc)
{
InitializeComponent();
m_RasterLayer = rasterLayer;
m_MainMap = mainMap;
m_MainTOC = mainToc;
}
/// <summary>
/// Gets the render type of the input raster layer.
/// </summary>
/// <param name="rasterLayer"></param>
/// <returns></returns>
public static RenderType GetRenderType(IRasterLayer rasterLayer)
{
IRasterRenderer rasterRenderer = rasterLayer.Renderer;
if (rasterRenderer is RasterClassifyColorRampRenderer)
{
return RenderType.Classified;
}
else if (rasterRenderer is RasterDiscreteColorRenderer)
{
return RenderType.DiscreteColor;
}
else if (rasterRenderer is RasterStretchColorRampRenderer)
{
return RenderType.Stretched;
}
else if (rasterRenderer is RasterUniqueValueRenderer)
{
return RenderType.UniqueValues;
}
else
{
return RenderType.Unknow;
}
}
/// <summary>
/// Shows the properties of the current raster legend item.
/// </summary>
/// <param name="e"></param>
public void ShowProperties(IRasterLayer e)
{
using (var dlg = new LayerDialog(e, new RasterCategoryControl()))
{
ShowDialog(dlg);
}
}
public frmSelectBand(IMapControlDefault mapCon, IRasterLayer rasLayer, IWorkspace workSpace)
{
InitializeComponent();
this.m_mapCon = mapCon;
m_rasLayer = rasLayer;
m_workSpace = workSpace;
}
/// <summary>
/// Creates a new instance of LayerDialog form to display the symbology and
/// other properties of the specified feature layer
/// </summary>
/// <param name="selectedLayer">the specified feature layer that is
/// modified using this form</param>
public RasterLayerDialog(IRasterLayer selectedLayer)
{
InitializeComponent();
_layer = selectedLayer;
propertyGrid1.SelectedObject = _layer;
Configure();
}
/// <summary>
/// Sets up the Table to work with the specified layer.
/// </summary>
/// <param name="layer">The layer.</param>
public void Initialize(IRasterLayer layer)
{
_originalLayer = layer;
_newLayer = layer.Copy();
_symbolizer = layer.Symbolizer;
_newScheme = _symbolizer.Scheme;
_originalScheme = (IColorScheme)_symbolizer.Scheme.Clone();
_raster = layer.DataSet;
GetSettings();
}
/// <summary>
/// Show the extent of input layer in the control.
/// </summary>
/// <param name="rasterLayer"></param>
private void ShowExtent(IRasterLayer rasterLayer)
{
IRasterProps rasterProps = (IRasterProps)rasterLayer.Raster;
leftCoorTextBox.Text = rasterProps.Extent.XMin.ToString();
buttomCoorTextBox.Text = rasterProps.Extent.YMin.ToString();
IPnt pixelSize = rasterProps.MeanCellSize();
pixelSizeTextBox.Text = pixelSize.Y.ToString();
}
public static bool UniqueValueRenderer(IColorRamp colorRamp, IRasterLayer rasterLayer, string renderfiled = "Value")
{
try
{
IRasterUniqueValueRenderer uniqueValueRenderer = new RasterUniqueValueRendererClass();
IRasterRenderer pRasterRenderer = uniqueValueRenderer as IRasterRenderer;
pRasterRenderer.Raster = rasterLayer.Raster;
pRasterRenderer.Update();
IUniqueValues uniqueValues = new UniqueValuesClass();
IRasterCalcUniqueValues calcUniqueValues = new RasterCalcUniqueValuesClass();
calcUniqueValues.AddFromRaster(rasterLayer.Raster, 0, uniqueValues);//iBand=0
IRasterRendererUniqueValues renderUniqueValues = uniqueValueRenderer as IRasterRendererUniqueValues;
renderUniqueValues.UniqueValues = uniqueValues;
uniqueValueRenderer.Field = renderfiled;
colorRamp.Size = uniqueValues.Count;
uniqueValueRenderer.HeadingCount = 1;
uniqueValueRenderer.set_Heading(0, "All Data Value");
uniqueValueRenderer.set_ClassCount(0, uniqueValues.Count);
bool pOk;
colorRamp.CreateRamp(out pOk);
IRasterRendererColorRamp pRasterRendererColorRamp = uniqueValueRenderer as IRasterRendererColorRamp;
pRasterRendererColorRamp.ColorRamp = colorRamp;
for (int i = 0; i < uniqueValues.Count; i++)
{
uniqueValueRenderer.AddValue(0, i, uniqueValues.get_UniqueValue(i));
uniqueValueRenderer.set_Label(0, i, uniqueValues.get_UniqueValue(i).ToString());
IFillSymbol fs = new SimpleFillSymbol();
//fs.Color = colorRamp.get_Color(i);
IColor color = new RgbColorClass();
if ((Convert.ToByte(uniqueValues.get_UniqueValue(i)) == 255) || (Convert.ToByte(uniqueValues.get_UniqueValue(i)) == 0))
{
color.NullColor = true;
color.Transparency = 0;
fs.Color = color;
}
else
{
IRgbColor rgbColor = color as IRgbColor;
rgbColor.Red = 0;
rgbColor.Green = 255;
rgbColor.Blue = 0;
fs.Color = rgbColor as IColor;
}
uniqueValueRenderer.set_Symbol(0, i, fs as ISymbol);
}
pRasterRenderer.Update();
rasterLayer.Renderer = pRasterRenderer;
}
catch (Exception ex)
{
return(false);
}
return(true);
}
private void buttonCalConvertCells_Click(object sender, EventArgs e)
{
if (SimulationEndImageName != "")
{
IRasterLayer rasterLayer = ArcGISOperator.GetRasterLayerByName(simulationStartImageName);
int startUrbanConuts = ArcGISOperator.GetUrbanCount(rasterLayer, landUseClassificationInfo);
rasterLayer = ArcGISOperator.GetRasterLayerByName(simulationEndImageName);
int endUrbanCounts = ArcGISOperator.GetUrbanCount(rasterLayer, landUseClassificationInfo);
numericUpDownConvertCount.Value = Convert.ToDecimal(endUrbanCounts - startUrbanConuts);
}
}
private void cmbInputFile_SelectedIndexChanged(object sender, EventArgs e)
{
listBox1.Items.Clear();
IRasterLayer pRasterLayer = pMap.get_Layer(cmbInputFile.SelectedIndex) as IRasterLayer;
for (int i = 0; i < pRasterLayer.BandCount; i++)
{
listBox1.Items.Add("Band " + Convert.ToString(i + 1));
}
lbSelectedBand.Text = "0//" + listBox1.Items.Count;
}
internal void AddItem(string itemName, IRasterLayer layer)
{
// if (s_comboBox.items.Count == 0)
// {
s_comboBox.Add(itemName, layer);
//s_comboBox.Select(m_selAllCookie);
// }
// Add each item to combo box.
// int cookie = s_comboBox.Add(itemName, layer);
}
public PreviewFeatureDataset(IRasterLayer rasterLayer)
{
if (rasterLayer == null || rasterLayer.RasterClass != null || rasterLayer.RasterClass.Polygon == null)
{
return;
}
_envelope = rasterLayer.RasterClass.Polygon.Envelope;
_sRef = rasterLayer.RasterClass.SpatialReference;
_layer = rasterLayer;
}
public RenderRasterLayerThreadPrint(Map map, IRasterLayer layer, IRasterLayer rootLayer, ICancelTracker cancelTracker)
{
_map = map;
_layer = layer;
_cancelTracker = cancelTracker;
if (rootLayer != null)
{
_interpolMethod = rootLayer.InterpolationMethod;
_transparency = rootLayer.Transparency;
}
}
private void populateComboBox()
{
if (mp != null)
{
IEnumLayer rstLyrs = vUtil.getActiveViewLayers(viewUtility.esriIRasterLayer);
ILayer lyr = rstLyrs.Next();
while (lyr != null)
{
string lyrNm = lyr.Name;
IRasterLayer rstLyr = (IRasterLayer)lyr;
IRaster rst = rsUtil.createRaster(((IRaster2)rstLyr.Raster).RasterDataset);
if (!rstDic.ContainsKey(lyrNm))
{
rstDic.Add(lyrNm, rst);
cmbInRaster1.Items.Add(lyrNm);
cmbInRaster2.Items.Add(lyrNm);
}
lyr = rstLyrs.Next();
}
}
foreach (string s in new string[] { "+", "-", "*", "/", "POW", "MOD" })
{
esriRasterArithmeticOperation opVl = esriRasterArithmeticOperation.esriRasterMode;
switch (s)
{
case "+":
opVl = esriRasterArithmeticOperation.esriRasterPlus;
break;
case "-":
opVl = esriRasterArithmeticOperation.esriRasterMinus;
break;
case "*":
opVl = esriRasterArithmeticOperation.esriRasterMultiply;
break;
case "/":
opVl = esriRasterArithmeticOperation.esriRasterDivide;
break;
case "POW":
opVl = esriRasterArithmeticOperation.esriRasterPower;
break;
default:
opVl = esriRasterArithmeticOperation.esriRasterMode;
break;
}
cmbProcess.Items.Add(s);
oprDic.Add(s, opVl);
}
}
public IRasterBand GetBand(IRasterLayer rasterlayer)
{
string fullpath = rasterlayer.FilePath;
string filePath = System.IO.Path.GetDirectoryName(fullpath);
string fileName = System.IO.Path.GetFileName(fullpath);
IWorkspaceFactory wsf = new RasterWorkspaceFactoryClass();
IWorkspace ws = wsf.OpenFromFile(filePath, 0);
IRasterWorkspace rasterws = ws as IRasterWorkspace;
IRasterDataset rastdataset = rasterws.OpenRasterDataset(fileName);
IRasterBandCollection bandcoll = rastdataset as IRasterBandCollection;
return bandcoll.Item(0);
}
//获取最大最小栅格值
private void SetMaxMinValue(int flag)
{
if (flag == 1)
{
textBoxMax.Text = "高：255";
textBoxMin.Text = "低：0";
return;
}
uint valueMax = 50;
uint valueMin = 50;
IRasterLayer pRasterLayer = m_layer as IRasterLayer;
IRaster pRaster = pRasterLayer.Raster;
IRasterProps pRasterProps = pRaster as IRasterProps;
int Height = pRasterProps.Height;
int Width = pRasterProps.Width;
double dX = pRasterProps.MeanCellSize().X;
double dY = pRasterProps.MeanCellSize().Y; //栅格的高度
IEnvelope extent = pRasterProps.Extent; //当前栅格数据集的范围
rstPixelType pixelType = pRasterProps.PixelType; //当前栅格像素类型
IPnt pntSize = new PntClass();
pntSize.SetCoords(dX, dY);
IPixelBlock pixelBlock = pRaster.CreatePixelBlock(pntSize);
IPnt pnt = new PntClass();
for (int i = 0; i < Height; i += 10)
{
for (int j = 0; j < Width; j += 10)
{
pnt.SetCoords(i, j);
pRaster.Read(pnt, pixelBlock);
if (pixelBlock != null)
{
object obj = pixelBlock.GetVal(0, 0, 0);
uint temp = Convert.ToUInt32(obj);
if (temp > valueMax)
{
valueMax = temp;
}
else if (temp < valueMin)
{
valueMin = temp;
}
}
}
}
textBoxMax.Text = "高：" + valueMax.ToString();
textBoxMin.Text = "低：" + valueMin.ToString();
}
/// <summary>
/// 获取拉伸标注
/// </summary>
/// <param name="rasterLayer">图层</param>
/// <returns></returns>
public static string[] GetStretchLabels(IRasterLayer rasterLayer)
{
IRasterStretchColorRampRenderer rasterStretchColorRampRenderer = new RasterStretchColorRampRendererClass();
IRasterRenderer rasterRenderer = rasterStretchColorRampRenderer as IRasterRenderer;
rasterRenderer.Raster = rasterLayer.Raster;
rasterRenderer.Update();
string[] labels = new string[2];
labels[0] = rasterStretchColorRampRenderer.LabelHigh;
labels[1] = rasterStretchColorRampRenderer.LabelLow;
return(labels);
}
private void button11_Click(object sender, EventArgs e)
{
_rasterLayer = null;
this.Controls.Remove(canvasHost1);
_canvas = null;
CanvasHost host = this.canvasHost1;
this.canvasHost1 = null;
(host as IDisposable).Dispose();
(host as UserControl).Dispose();
GC.Collect();
}
private void TabColorDialogChangesApplied(object sender, EventArgs e)
{
_editCategory.LowColor = _tabColorDialog.StartColor;
_editCategory.HighColor = _tabColorDialog.EndColor;
ILegendItem test = _editCategory.GetParentItem();
IRasterLayer rl = test as IRasterLayer;
if (rl != null)
{
rl.WriteBitmap();
}
}
/// <summary>
/// This should launch a frmRasterSymbolizer
/// </summary>
/// <param name="context">ITypeDescriptorContext context</param>
/// <param name="provider">IServiceProvider provider</param>
/// <param name="value">object value</param>
/// <returns>A new RasterSymbolizer</returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
IRasterSymbolizer rs = value as IRasterSymbolizer ?? new RasterSymbolizer();
IWindowsFormsEditorService dialogProvider = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
IRasterLayer parent = rs.ParentLayer;
LayerDialog frm = new LayerDialog(parent, new RasterCategoryControl());
dialogProvider.ShowDialog(frm);
return(parent.Symbolizer);
}
private IColorRamp GetCurrentColorRamp()
{
IRasterLayer pRasterLayr = m_layer as IRasterLayer;
IRasterStretchColorRampRenderer pStretchRenderer = new RasterStretchColorRampRendererClass();
IRasterRenderer pRasterRenderer = (IRasterRenderer)pStretchRenderer;
IRaster pRaster = pRasterLayr.Raster;
pRasterRenderer.Raster = pRaster;
pRasterRenderer.Update();
pStretchRenderer.BandIndex = comboBoxBand.SelectedIndex;
return(pStretchRenderer.ColorRamp);
}
private void populateComboBox()
{
if (mp != null)
{
IEnumLayer rstLyrs = vUtil.getActiveViewLayers(viewUtility.esriIRasterLayer);
ILayer lyr = rstLyrs.Next();
while (lyr != null)
{
string lyrNm = lyr.Name;
IRasterLayer rstLyr = (IRasterLayer)lyr;
IRaster rst = rsUtil.createRaster(((IRaster2)rstLyr.Raster).RasterDataset);
if (!rstDic.ContainsKey(lyrNm))
{
rstDic.Add(lyrNm, rst);
cmbStrata.Items.Add(lyrNm);
}
else
{
rstDic[lyrNm] = rst;
}
lyr = rstLyrs.Next();
}
rstLyrs = vUtil.getActiveViewLayers(viewUtility.esriIFeatureLayer);
lyr = rstLyrs.Next();
while (lyr != null)
{
string lyrNm = lyr.Name;
IFeatureLayer rstLyr = (IFeatureLayer)lyr;
IFeatureClass rst = rstLyr.FeatureClass;
if (!ftrDic.ContainsKey(lyrNm))
{
ftrDic.Add(lyrNm, rst);
if (rst.ShapeType == esriGeometryType.esriGeometryPolygon)
{
cmbStrata.Items.Add(lyrNm);
cmbStands.Items.Add(lyrNm);
}
if (rst.ShapeType == esriGeometryType.esriGeometryPoint)
{
cmbPlots.Items.Add(lyrNm);
}
}
else
{
ftrDic[lyrNm] = rst;
}
lyr = rstLyrs.Next();
}
}
}
/// <summary>
/// 拉伸渲染raster图层
/// </summary>
/// <params name="pRLayer">raster图层</params>
/// <remarks></remarks>
public void UsingRasterStretchColorRampRender(IRasterLayer pRLayer)
{
//获得图层
IRaster pRaster = default(IRaster);
pRaster = pRLayer.Raster;
//创建渲染并转换到栅格渲染
IRasterStretchColorRampRenderer pStretchRen = default(IRasterStretchColorRampRenderer);
pStretchRen = new RasterStretchColorRampRenderer();
IRasterRenderer pRasRen = default(IRasterRenderer);
pRasRen = (IRasterRenderer)pStretchRen;
//栅格渲染赋值和更新
pRasRen.Raster = pRaster;
pRasRen.Update();
//定义起止颜色
IRgbColor pFromColor = new RgbColorClass();
pFromColor.Red = 0;
pFromColor.Green = 255;
pFromColor.Blue = 0;
IRgbColor pToColor = new RgbColorClass();
pToColor.Red = 255;
pToColor.Green = 0;
pToColor.Blue = 0;
//创建颜色条
IAlgorithmicColorRamp pRamp = new AlgorithmicColorRamp();
pRamp.Size = 255;
pRamp.FromColor = pFromColor;
pRamp.ToColor = pToColor;
bool bOK;
pRamp.CreateRamp(out bOK);
//插入颜色条和选择渲染波段
pStretchRen.BandIndex = 0;
pStretchRen.ColorRamp = pRamp;
//用新的设置更新渲染并赋值给图层
pRasRen.Update();
pRLayer.Renderer = (IRasterRenderer)pStretchRen;
//释放内存
pRLayer = null;
pRaster = null;
pStretchRen = null;
pRasRen = null;
pRamp = null;
pToColor = null;
pFromColor = null;
}
public void funColorForRaster_Classify(IRasterLayer pRasterLayer)
{
IRasterClassifyColorRampRenderer pRClassRend = new
RasterClassifyColorRampRenderer() as IRasterClassifyColorRampRenderer;
IRasterRenderer pRRend = pRClassRend as IRasterRenderer;
IRaster pRaster = pRasterLayer.Raster;//栅格图
IRasterBandCollection pRBandCol = pRaster as IRasterBandCollection;
IRasterBand pRBand = pRBandCol.Item(0);
if (pRBand.Histogram == null)
{
pRBand.ComputeStatsAndHist();
}
pRRend.Raster = pRaster;
pRClassRend.ClassCount = 10;
pRRend.Update();
IRgbColor pFromColor = new RgbColor() as IRgbColor;
pFromColor.Red = 255;
pFromColor.Green = 0;
pFromColor.Blue = 0;
IRgbColor pToColor = new RgbColor() as IRgbColor;
pToColor.Red = 0;
pToColor.Green = 0;
pToColor.Blue = 255;
IAlgorithmicColorRamp colorRamp = new AlgorithmicColorRamp() as
IAlgorithmicColorRamp;
colorRamp.Size = 10;
colorRamp.FromColor = pFromColor;
colorRamp.ToColor = pToColor;
bool createColorRamp;
colorRamp.CreateRamp(out createColorRamp);
IFillSymbol fillSymbol = new SimpleFillSymbol() as IFillSymbol;
for (int i = 0; i < pRClassRend.ClassCount; i++)
{
fillSymbol.Color = colorRamp.get_Color(i);
pRClassRend.set_Symbol(i, fillSymbol as ISymbol);
pRClassRend.set_Label(i,
pRClassRend.get_Break(i).ToString("0.00"));
}
pRasterLayer.Renderer = pRRend;
IActiveView activeview = this.axMapControl1.ActiveView;
activeview.ContentsChanged();
//刷新窗口
activeview.PartialRefresh(esriViewDrawPhase.esriViewGeography, null,
null);
}
public void SetRasterNoDataColor()
{
try
{
if (m_pLyr == null)
{
return;
}
ILayer pLayer = m_pLyr;
if (!(pLayer is IRasterLayer) && !(pLayer is IRasterCatalogLayer))
{
return;
}
//获得当前图层的符号
IRasterRenderer pRasterRender = null;
if (pLayer is IRasterLayer)
{
IRasterLayer pRasterLayer = pLayer as IRasterLayer;
pRasterRender = pRasterLayer.Renderer;
}
else if (pLayer is IRasterCatalogLayer)
{
IRasterCatalogLayer pRasterCatalogLayer = pLayer as IRasterCatalogLayer;
pRasterRender = pRasterCatalogLayer.Renderer;
}
else
{
return;
}
if (pRasterRender == null)
{
return;
}
IRasterDisplayProps pRasterDisplayProps = pRasterRender as IRasterDisplayProps;
if (pRasterDisplayProps == null)
{
return;
}
//获得当前的颜色值 并设置
IColor pColor = ConvertColorToIColor(this.colorNoData.SelectedColor);
pColor.Transparency = (byte)this.sliderTransparency.Value;
pRasterDisplayProps.NoDataColor = pColor;
}
catch
{
}
}
/// <summary>
/// 读取数据并记录非空数据的行列号。
/// </summary>
public static float[,] ReadRasterAndGetNotNullRowColumn(IRasterLayer rasterLayer, out StructRasterMetaData structRasterMetaData,
out List <int> notNullRows, out List <int> notNullColumns)
{
int rowCount, columnCount;
notNullRows = new List <int>();
notNullColumns = new List <int>();
structRasterMetaData.ColumnCount = rasterLayer.ColumnCount;
columnCount = structRasterMetaData.ColumnCount;
structRasterMetaData.RowCount = rasterLayer.RowCount;
rowCount = structRasterMetaData.RowCount;
IEnvelope visiableExtent = rasterLayer.VisibleExtent;
structRasterMetaData.XMin = visiableExtent.XMin;
structRasterMetaData.XMax = visiableExtent.XMax;
structRasterMetaData.YMin = visiableExtent.YMin;
structRasterMetaData.YMax = visiableExtent.YMax;
structRasterMetaData.NoDataValue = -9999f;
IRaster2 raster = rasterLayer.Raster as IRaster2;
IPnt fromPnt = new PntClass();
fromPnt.SetCoords(0, 0);
IPnt blockSize = new PntClass();
blockSize.SetCoords(columnCount, rowCount);
IPixelBlock pixelBlock = ((IRaster)raster).CreatePixelBlock(blockSize);
rasterLayer.Raster.Read(fromPnt, pixelBlock);
float[,] data = new float[rowCount, columnCount];
for (int i = 0; i < rowCount; i++)
{
for (int j = 0; j < columnCount; j++)
{
object value = pixelBlock.GetVal(0, j, i);
if (value != null)
{
data[i, j] = Convert.ToSingle(value);
notNullRows.Add(i);
notNullColumns.Add(j);
}
else
{
data[i, j] = structRasterMetaData.NoDataValue;
}
}
}
return(data);
}
private bool GetUniqueValues(string inFile)
{
IRasterLayer pRasterLayer = null;
IUniqueValues pUniqueValues = null;
IRasterCalcUniqueValues pCalcUniqueValues = null;
try
{
pRasterLayer = new RasterLayerClass();
pRasterLayer.CreateFromFilePath(inFile);
if (!(1 == pRasterLayer.BandCount))
{
XtraMessageBox.Show("文件类型不正确，请选择分类结果文件！", "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
return(false);
}
pUniqueValues = new UniqueValuesClass();
pCalcUniqueValues = new RasterCalcUniqueValuesClass();
pCalcUniqueValues.AddFromRaster(pRasterLayer.Raster, 0, pUniqueValues);
if (_dt.Rows.Count > 0)
{
_dt.Rows.Clear();
}
for (int i = 0; i < pUniqueValues.Count; i++)
{
DataRow row = _dt.NewRow();
row[0] = pUniqueValues.get_UniqueValue(i);
_dt.Rows.Add(row);
}
return(true);
}
catch (Exception ex)
{
XtraMessageBox.Show("读取唯一值失败！\r\n" + ex.Message, "提示信息", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
Log.WriteLog(typeof(frmRecode), ex);
return(false);
}
finally
{
if (pCalcUniqueValues != null)
{
Marshal.ReleaseComObject(pCalcUniqueValues);
}
if (pUniqueValues != null)
{
Marshal.ReleaseComObject(pUniqueValues);
}
if (pRasterLayer != null)
{
Marshal.ReleaseComObject(pRasterLayer);
}
}
}
private void tocControl_OnDoubleClick(int button, int shift, int x, int y)
{
esriTOCControlItem esriTOCControlItem = esriTOCControlItem.esriTOCControlItemNone;
object obj = null;
object obj2 = null;
IBasicMap basicMap = null;
ILayer layer = null;
this._tocControl.HitTest(x, y, ref esriTOCControlItem, ref basicMap, ref layer, ref obj, ref obj2);
if (button == 1)
{
if (esriTOCControlItem == esriTOCControlItem.esriTOCControlItemLegendClass)
{
if (layer is IRasterLayer)
{
IRasterLayer rasterLayer = layer as IRasterLayer;
if (rasterLayer.Renderer is IRasterRGBRenderer)
{
this._mapControl.CustomProperty = layer;
this.AddPopMenuRGBItem(obj2, rasterLayer);
}
else if (rasterLayer.Renderer is IRasterUniqueValueRenderer)
{
IRasterUniqueValueRenderer rasterUniqueValueRenderer = rasterLayer.Renderer as IRasterUniqueValueRenderer;
ISymbol symbol = rasterUniqueValueRenderer.get_Symbol(0, (int)obj2);
this.RenderRasterUniqueValue(layer, rasterUniqueValueRenderer, symbol, 0, (int)obj2);
}
else if (rasterLayer.Renderer is IRasterStretchColorRampRenderer)
{
frmLayerRender frmLayerRender = new frmLayerRender(layer);
if (frmLayerRender.ShowDialog() != System.Windows.Forms.DialogResult.Cancel)
{
EnviVars.instance.TOCControl.Update();
RefreshView(layer);
}
}
}
else
{
ESRI.ArcGIS.Carto.ILegendClass pLC = new LegendClassClass();
ESRI.ArcGIS.Carto.ILegendGroup pLG = new LegendGroupClass();
if (obj is ILegendGroup)
{
pLG = (ILegendGroup)obj;
}
pLC = pLG.get_Class((int)obj2);
pLC.Symbol = this.ChangeSymbol(layer, pLC.Symbol);
RefreshView(layer);
}
}
}
}
//图层选择框 选择不同的图层
private void cmbLayer_SelectedIndexChanged(object sender, EventArgs e)
{
for (int i = 0; i < pMap.LayerCount; i++)
{
string name = pMap.get_Layer(i).Name;
if (pMap.get_Layer(i).Name == this.cmbLayer.Text)
{
pRLayer = pMap.get_Layer(i) as IRasterLayer;
setRasterLayerFiledName(pRLayer, this.cmbFieldsName);
break;
}
}
}
//栅格行列号转换成XY坐标
public static void NumbercovertXY(IRasterLayer pRasterLayer, ref double X, ref double Y, int column, int row)
{
try
{
IRaster pRaster = pRasterLayer.Raster;
IRaster2 pRaster2 = pRaster as IRaster2;
pRaster2.PixelToMap(column, row, out X, out Y);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + "\n" + ex.ToString(), "异常");
}
}
private IRasterLayer IntersectRaster(IRasterLayer rsterLayer, IPolygon polygon2)
{
// 获得与组合成的面相叠加的栅格
if (radioBtnKJ.Checked && polygon2 != null)
{
IExtractionOp op = new RasterExtractionOpClass();
IGeoDataset dataset = op.Polygon((IGeoDataset)rsterLayer.Raster, polygon2, true);
IRasterLayer layer = new RasterLayerClass();
layer.CreateFromRaster((IRaster)dataset);
rsterLayer = layer;
}
return(rsterLayer);
}
private void 增强ToolStripMenuItem_Click(object sender, EventArgs e)
{
List <IRasterLayer> list_layers = new List <IRasterLayer>();
for (int i = 0; i < axMapControl1.LayerCount; i++)
{
if (axMapControl1.get_Layer(i) is IRasterLayer)
{
IRasterLayer rasterlayer = (IRasterLayer)axMapControl1.get_Layer(i);
list_layers.Add(rasterlayer);
}
}
}
public static IRasterLayer GetRasterLayerByName(string layerName)
{
IRasterLayer rasterLayer = null;
for (int i = 0; i < map.LayerCount; i++)
{
if (map.get_Layer(i).Name == layerName)
{
rasterLayer = (IRasterLayer)map.get_Layer(i);
}
}
return(rasterLayer);
}
public IRasterBand GetBand(IRasterLayer rasterlayer)
{
string fullpath = rasterlayer.FilePath;
string filePath = System.IO.Path.GetDirectoryName(fullpath);
string fileName = System.IO.Path.GetFileName(fullpath);
IWorkspaceFactory wsf = new RasterWorkspaceFactoryClass();
IWorkspace ws = wsf.OpenFromFile(filePath, 0);
IRasterWorkspace rasterws = ws as IRasterWorkspace;
IRasterDataset rastdataset = rasterws.OpenRasterDataset(fileName);
IRasterBandCollection bandcoll = rastdataset as IRasterBandCollection;
return(bandcoll.Item(0));
}
/// <summary>
/// Covert map coordinates to raster coordinates.
/// </summary>
/// <param name="mapCoors"></param>
/// <param name="rasterLayer">Reference raster layer.</param>
/// <returns></returns>
public static Position MapCoor2RasterCoor(IPoint mapCoors, IRasterLayer rasterLayer)
{
if (rasterLayer != null)
{
IRaster2 raster = (IRaster2)rasterLayer.Raster;
int row, col;
raster.MapToPixel(mapCoors.X, mapCoors.Y, out col, out row);
return(new Position(col, row));
}
return(null);
}
public RenderRasterLayer(Map map, IRasterLayer layer, IRasterLayer rLayer, ICancelTracker cancelTracker)
{
_map = map;
_layer = layer;
_cancelTracker = cancelTracker;
if (rLayer != null)
{
_interpolMethod = rLayer.InterpolationMethod;
_transparency = rLayer.Transparency;
_transColor = rLayer.TransparentColor;
_filter = rLayer.FilterImplementation;
}
}
// Steg 6-7, listener.
private void btnCalcStat_Click(object sender, EventArgs e)
{
IRasterLayer safeLayer = utilities.searchRasterLayer("Säkra platser");
if (cmbShapeList.Items.Count != 0 && safeLayer != null)
{
calcStat();
}
else
{
MessageBox.Show("Inga shapefiler tillagda eller säkra platser har inte beräknats.");
}
}
private void btnOpen_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.InitialDirectory = this.txtOutPath.Text;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
this.comboBoxInData.Text = openFileDialog1.FileName;
string filePath = openFileDialog1.FileName;
m_pRasterLyr = new RasterLayerClass();
m_pRasterLyr.CreateFromFilePath(filePath);
}
}
public static List<string> getBandName(IRasterLayer rasterlayer)
{
string fullpath = rasterlayer.FilePath;
string filePath = System.IO.Path.GetDirectoryName(fullpath);
string fileName = System.IO.Path.GetFileName(fullpath);
IWorkspaceFactory wsf = new RasterWorkspaceFactoryClass();
IWorkspace ws = wsf.OpenFromFile(filePath, 0);
IRasterWorkspace rasterws = ws as IRasterWorkspace;
IRasterDataset rastdataset = rasterws.OpenRasterDataset(fileName);
IRasterBandCollection bandcoll = rastdataset as IRasterBandCollection;
List<string> itemband = new List<string>();
for (int i = 0; i < bandcoll.Count; i++)
{
itemband.Add(bandcoll.Item(i).Bandname);
}
return itemband;
}
private void btn_OkScale_Click(object sender, EventArgs e)
{
try
{
string RasterName = cbb_RasterLayersStretch.SelectedItem.ToString();
rasterlayer = GetRasterLayer(RasterName);
RasterRender render = new RasterRender();
pListRamp = style.pListRamp;
render.RasterClassify(rasterlayer, cbb_MethodScale.SelectedValue.ToString(), Convert.ToInt32(cbb_NumberScale.SelectedValue), (IColorRamp)pListRamp[cbbs_ColorScale.SelectedIndex]);
axmapcontrol.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
axtoccontrol.Update();
axmapcontrol.Extent = rasterlayer.AreaOfInterest;
this.Close();
}
catch (Exception ec)
{
MessageBox.Show(ec.Message);
}
}
private IRasterLayer IntersectRaster(IRasterLayer rsterLayer, IPolygon polygon2)
{
// 获得与组合成的面相叠加的栅格
if (radioBtnKJ.Checked && polygon2 != null)
{
IExtractionOp op = new RasterExtractionOpClass();
IGeoDataset dataset = op.Polygon((IGeoDataset)rsterLayer.Raster, polygon2, true);
IRasterLayer layer = new RasterLayerClass();
layer.CreateFromRaster((IRaster)dataset);
rsterLayer = layer;
}
return rsterLayer;
}
/// <summary>
/// Clear all data of active layer.
/// </summary>
public void ClearLayer()
{
this.activeLayer = null;
this.selectedIColor = null;
this.selectedValue = null;
this.layerNameTextBox.Text = "";
valueListBox.Items.Clear();
listedValue.Clear();
}
/// <summary>
/// Load data of given active layer.
/// </summary>
/// <param name="activeLayer">A raster layer for painting.</param>
public void LoadLayer(IRasterLayer activeLayer)
{
this.activeLayer = activeLayer;
this.layerNameTextBox.Text = activeLayer.Name;
}
private void btnOpenData_Click(object sender, EventArgs e)
{
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.InitialDirectory = this.txtOutPath.Text;
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
comboBoxInData.Text = openFileDialog1.FileName;
string filePath = openFileDialog1.FileName;
m_pRasterLyr = new RasterLayerClass();
m_pRasterLyr.CreateFromFilePath(filePath);
}
}
private void cancelButton_Click(object sender, EventArgs e)
{
returnLayer = null;
this.Close();
}
/// <summary>
/// Creates a new instance of the raster symbolizer
/// </summary>
/// <param name="layer">The parent item</param>
public RasterSymbolizer(IRasterLayer layer)
{
SetParentItem(layer);
_parentLayer = layer;
_raster = layer.DataSet;
Configure();
}
private void comboBoxInputData_SelectedIndexChanged(object sender, EventArgs e)
{
string sLayerName = comboBoxInputData.Text;
AxMapControl axMap = pMainFrm.getMapControl();
try
{
for (int i = 0; i <= axMap.LayerCount - 1; i++)
{
ILayer pLyr = axMap.get_Layer(i);
if (pLyr.Name == sLayerName)
{
if (pLyr is IRasterLayer)
{
m_pRasterLyr = pLyr as IRasterLayer;
IRaster pInRaster = m_pRasterLyr.Raster ;
RasterStatistics(pInRaster);
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// Sets up the Table to work with the specified layer
/// </summary>
/// <param name="layer"></param>
public void Initialize(IRasterLayer layer)
{
_originalLayer = layer;
_newLayer = layer.Copy();
_symbolizer = layer.Symbolizer;
_newScheme = _symbolizer.Scheme;
_originalScheme = (IColorScheme)_symbolizer.Scheme.Clone();
_raster = layer.DataSet;
GetSettings();
}
/// <summary>
/// Creates a new instance of the unique values category Table
/// </summary>
/// <param name="layer">The feature set that is used</param>
public RasterCategoryControl(IRasterLayer layer)
{
InitializeComponent();
Configure();
Initialize(layer);
}
private void fm_RasterRenderClassification_Load(object sender, EventArgs e)
{
CbxLayersAddItems();
if (cbb_RasterLayersStretch.Items.Count != 0)
{
cbb_RasterLayersStretch.SelectedIndex = 0;
cbb_RasterLayersScale.SelectedIndex = 0;
rasterlayer = GetRasterLayer(cbb_RasterLayersStretch.SelectedItem.ToString());
cbb_BandStretch.DataSource = RasterRender.getBandName(rasterlayer);
}
List<ComboBoxSym> list3 = new List<ComboBoxSym>();
list3.Add(cbbs_ColorStretch);
list3.Add(cbbs_ColorStretch2);
style.Style("Color Ramps", list3);
List<ComboBoxSym> list4 = new List<ComboBoxSym>();
list4.Add(cbbs_ColorScale);
list4.Add(cbbs_ColorScale2);
style.Style("Color Ramps", list4);
cbb_NumberScale.DataSource = classcount;
cbb_MethodScale.DataSource = classmethod;
cbbs_ColorStretch.SelectedIndex = 0;
cbbs_ColorStretch2.SelectedIndex = 0;
cbbs_ColorScale.SelectedIndex = 0;
cbbs_ColorScale2.SelectedIndex = 0;
cbb_MethodScale.SelectedIndex = 0;
cbb_NumberScale.SelectedIndex = 0;
}
private void okButton_Click(object sender, EventArgs e)
{
if (layerListView.SelectedItems.Count == 0)
{
MessageBox.Show("No layer is selected to edit.", "Note");
return;
}
for (int i = 0; i < ArcMap.Document.FocusMap.LayerCount; i++)
{
ILayer player = ArcMap.Document.FocusMap.get_Layer(i);
if (player is IRasterLayer)
{
IRasterLayer rasterLayer = (IRasterLayer)player;
if (rasterLayer.FilePath == layerListView.SelectedItems[0].SubItems[1].Text)
{
returnLayer = rasterLayer;
break;
}
}
}
this.Close();
}
private void cbb_RasterLayersStretch_SelectedIndexChanged(object sender, EventArgs e)
{
if (cbb_RasterLayersStretch.SelectedItem != null)
{
string RasterName = cbb_RasterLayersStretch.SelectedItem.ToString();
rasterlayer = GetRasterLayer(RasterName);
cbb_BandStretch.DataSource = RasterRender.getBandName(rasterlayer);
}
}
/// <summary>
/// Initializes a new instance of the RasterLayerEventArgs class.
/// </summary>
/// <param name="rasterLayer">The IRasterLayer that is involved in this event.</param>
public RasterLayerEventArgs(IRasterLayer rasterLayer)
{
_rasterLayer = rasterLayer;
}
private void comboBoxInData_SelectedIndexChanged(object sender, EventArgs e)
{
string sLayerName = comboBoxInData.Text;
try
{
for (int i = 0; i <= pMap.LayerCount - 1; i++)
{
ILayer pLyr = pMap.get_Layer(i);
if (pLyr.Name == sLayerName)
{
if (pLyr is IRasterLayer)
{
m_pRasterLyr = pLyr as IRasterLayer;
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void CbxLayersAddItems()
{
if (GetLayers() != null)
{
IEnumLayer layers = GetLayers();
layers.Reset();
ILayer layer = layers.Next();
while (layer != null)
{
if (layer is IRasterLayer)
{
rasterlayer = layer as IRasterLayer;
cbb_RasterLayersStretch.Items.Add(layer.Name);
cbb_RasterLayersScale.Items.Add(layer.Name);
}
layer = layers.Next();
}
}
}
