public static IRasterRenderer CreateSlopePrecentRiseColorRamp(Raster gRaster)
{
try
{
// Open file raster dataset and ensure that statistics and histograms are present (absence of histograms will cause Renderer.Update() to crash)
IRasterDataset rasterDataset = ArcMapUtilities.GetRasterDataset(gRaster);
ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection pRastBands = (ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection)rasterDataset;
ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand enumRasterBand = (ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand)pRastBands.Bands;
rasterDataset.PrecalculateStats(0);
ESRI.ArcGIS.DataSourcesRaster.IRasterBand pRastBand = enumRasterBand.Next();
pRastBand.ComputeStatsAndHist();
IRasterClassifyColorRampRenderer classifyRenderer = new RasterClassifyColorRampRendererClass();
IRasterRenderer rasterRenderer = (IRasterRenderer)classifyRenderer;
IRaster raster = rasterDataset.CreateDefaultRaster();
rasterRenderer.Raster = raster;
classifyRenderer.ClassCount = 10;
rasterRenderer.Update();
classifyRenderer.Break[0] = 0;
classifyRenderer.Label[0] = "0 to 3.5%";
classifyRenderer.Break[1] = 3.5;
classifyRenderer.Label[1] = "3.5% to 8.75%";
classifyRenderer.Break[2] = 8.75;
classifyRenderer.Label[2] = "8.75% to 15%";
classifyRenderer.Break[3] = 15;
classifyRenderer.Label[3] = "15% to 25%";
classifyRenderer.Break[4] = 25;
classifyRenderer.Label[4] = "25% to 45%";
classifyRenderer.Break[5] = 45;
classifyRenderer.Label[5] = "45% to 70%";
classifyRenderer.Break[6] = 70;
classifyRenderer.Label[6] = "70% to 100%";
classifyRenderer.Break[7] = 100;
classifyRenderer.Label[7] = "100% to 175%";
classifyRenderer.Break[8] = 175;
classifyRenderer.Label[8] = "175% to 565%";
classifyRenderer.Break[9] = 565;
classifyRenderer.Label[9] = "> 565%";
List <RgbColor> lColors = CreateSlopeColorRamp();
IFillSymbol fillSymbol = new SimpleFillSymbolClass();
for (int i = 0; i < classifyRenderer.ClassCount; i++)
{
fillSymbol.Color = lColors[i];
classifyRenderer.Symbol[i] = (ISymbol)fillSymbol;
}
return(rasterRenderer);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
return(null);
}
}
public static IRasterRenderer CreateGrainSizeStatisticColorRamp(GCDConsoleLib.Raster gRaster, UnitsNet.Units.LengthUnit eUnits)
{
try
{
// Open file raster dataset and ensure that statistics and histograms are present (absence of histograms will cause Renderer.Update() to crash)
IRasterDataset rasterDataset = ArcMapUtilities.GetRasterDataset(gRaster);
ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection pRastBands = (ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection)rasterDataset;
ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand enumRasterBand = (ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand)pRastBands.Bands;
rasterDataset.PrecalculateStats(0);
ESRI.ArcGIS.DataSourcesRaster.IRasterBand pRastBand = enumRasterBand.Next();
pRastBand.ComputeStatsAndHist();
IRasterClassifyColorRampRenderer classifyRenderer = new RasterClassifyColorRampRendererClass();
IRasterRenderer rasterRenderer = (IRasterRenderer)classifyRenderer;
IRaster raster = rasterDataset.CreateDefaultRaster();
rasterRenderer.Raster = raster;
classifyRenderer.ClassCount = 5;
rasterRenderer.Update();
classifyRenderer.Break[0] = 0;
classifyRenderer.Label[0] = "Fines, Sand (0 to 2 mm)";
classifyRenderer.Break[1] = UnitsNet.Length.From(2, UnitsNet.Units.LengthUnit.Millimeter).As(eUnits);
classifyRenderer.Label[1] = "Fine Gravel (2 mm to 16 mm)";
classifyRenderer.Break[2] = UnitsNet.Length.From(16, UnitsNet.Units.LengthUnit.Millimeter).As(eUnits);
classifyRenderer.Label[2] = "Coarse Gravel (16 mm to 64 mm)";
classifyRenderer.Break[3] = UnitsNet.Length.From(64, UnitsNet.Units.LengthUnit.Millimeter).As(eUnits);
classifyRenderer.Label[3] = "Cobbles (64 mm to 256 mm)";
classifyRenderer.Break[4] = UnitsNet.Length.From(256, UnitsNet.Units.LengthUnit.Millimeter).As(eUnits);
classifyRenderer.Label[4] = "Boulders (> 256 mm)";
List <RgbColor> lColors = new List <RgbColor>();
lColors.Add(CreateRGBColor(194, 82, 60));
lColors.Add(CreateRGBColor(240, 180, 17));
lColors.Add(CreateRGBColor(123, 237, 0));
lColors.Add(CreateRGBColor(27, 168, 124));
lColors.Add(CreateRGBColor(11, 44, 122));
IFillSymbol fillSymbol = new SimpleFillSymbol();
for (int i = 0; i < classifyRenderer.ClassCount; i++)
{
fillSymbol.Color = lColors[i];
classifyRenderer.Symbol[i] = (ISymbol)fillSymbol;
}
return(rasterRenderer);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
return(null);
}
}
public static IRasterRenderer CreateClassifyRenderer(GCDConsoleLib.Raster gRaster, int iClassCount, string sColorRampName, double dMax, bool bInvert = false)
{
try
{
// Open file raster dataset and ensure that statistics and histograms are present (absence of histograms will cause Renderer.Update() to crash)
IRasterDataset rasterDataset = ArcMapUtilities.GetRasterDataset(gRaster);
ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection pRastBands = (ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection)rasterDataset;
ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand enumRasterBand = (ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand)pRastBands.Bands;
rasterDataset.PrecalculateStats(0);
ESRI.ArcGIS.DataSourcesRaster.IRasterBand pRastBand = enumRasterBand.Next();
pRastBand.ComputeStatsAndHist();
IRasterClassifyColorRampRenderer classifyRenderer = new RasterClassifyColorRampRendererClass();
IRasterRenderer rasterRenderer = (IRasterRenderer)classifyRenderer;
IFillSymbol fillSymbol = new SimpleFillSymbol();
IRaster raster = rasterDataset.CreateDefaultRaster();
rasterRenderer.Raster = raster;
IColorRamp pColorRamp;
IStyleGalleryItem pStyleItem = GetESRIStyleColorRamp(out pColorRamp, sColorRampName);
classifyRenderer.ClassCount = iClassCount;
rasterRenderer.Update();
CreateClassBreaks(dMax, iClassCount, classifyRenderer);
pColorRamp.Size = iClassCount;
bool bOK = false;
pColorRamp.CreateRamp(out bOK);
List <IColor> lColors = new List <IColor>();
for (int i = 0; i < classifyRenderer.ClassCount; i++)
{
lColors.Add(pColorRamp.Color[i]);
}
if (bInvert)
{
lColors.Reverse();
}
for (int i = 0; i < classifyRenderer.ClassCount; i++)
{
fillSymbol.Color = lColors[i];
classifyRenderer.Symbol[i] = (ISymbol)fillSymbol;
}
return(rasterRenderer);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
return(null);
}
}
public static IRasterRenderer CreateESRIDefinedContinuousRenderer(GCDConsoleLib.Raster gRaster, int iClassCount, string sColorRampName, bool bInvert = false)
{
try
{
gRaster.ComputeStatistics();
decimal maxValue = gRaster.GetStatistics()["max"];
int iRound = GetMagnitude(maxValue);
double maxValueRounded = Math.Round((double)maxValue, Math.Abs(iRound));
RasterStretchColorRampRenderer stretchRenderer = new RasterStretchColorRampRendererClass();
IRasterRenderer rasterRenderer = (IRasterRenderer)stretchRenderer;
IRasterDataset rasterDataset = ArcMapUtilities.GetRasterDataset(gRaster);
IRaster raster = rasterDataset.CreateDefaultRaster();
rasterRenderer.Raster = raster;
IColorRamp pColorRamp = null;
IStyleGalleryItem pStyleItem = GetESRIStyleColorRamp(out pColorRamp, sColorRampName);
IRasterRendererColorRamp pRenderColorRamp = (IRasterRendererColorRamp)rasterRenderer;
pRenderColorRamp.ColorScheme = pStyleItem.Name;
IRasterStretchMinMax pStretchInfo = (IRasterStretchMinMax)stretchRenderer;
pStretchInfo.CustomStretchMin = 0;
pStretchInfo.CustomStretchMax = maxValueRounded;
pStretchInfo.UseCustomStretchMinMax = true;
stretchRenderer.LabelHigh = maxValueRounded.ToString();
stretchRenderer.LabelLow = "0.0";
if (bInvert)
{
IRasterStretch2 pStretch = (IRasterStretch2)stretchRenderer;
pStretch.Invert = true;
}
rasterRenderer.Update();
return(rasterRenderer);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
return(null);
}
}
public static IRasterRenderer CreateContinuousRenderer(Raster gRaster, IColorRamp pColorRamp, bool bInvert = false)
{
try
{
gRaster.ComputeStatistics();
Dictionary <string, decimal> stats = gRaster.GetStatistics();
double rMin = (double)stats["min"];
double rMax = (double)stats["max"];
RasterStretchColorRampRenderer stretchRenderer = new RasterStretchColorRampRenderer();
IRasterRenderer rasterRenderer = (IRasterRenderer)stretchRenderer;
IRasterDataset rasterDataset = ArcMapUtilities.GetRasterDataset(gRaster);
IRaster raster = rasterDataset.CreateDefaultRaster();
rasterRenderer.Raster = raster;
IRasterRendererColorRamp pRenderColorRamp = (IRasterRendererColorRamp)rasterRenderer;
pRenderColorRamp.ColorRamp = pColorRamp;
int iRound = GetMagnitude(rMin);
stretchRenderer.LabelHigh = Math.Round(rMax, Math.Abs(iRound)).ToString();
stretchRenderer.LabelLow = Math.Round(rMin, Math.Abs(iRound)).ToString();
if (bInvert)
{
IRasterStretch2 pStretch = (IRasterStretch2)stretchRenderer;
pStretch.Invert = true;
}
rasterRenderer.Update();
return(rasterRenderer);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
return(null);
}
}
public static IRasterRenderer CreateDoDClassifyRenderer(Raster gRaster, int iClassCount, double rampRange)
{
try
{
// Open file raster dataset and ensure that statistics and histograms are present (absence of histograms will cause Renderer.Update() to crash)
IRasterDataset rasterDataset = ArcMapUtilities.GetRasterDataset(gRaster);
ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection pRastBands = (ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection)rasterDataset;
ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand enumRasterBand = (ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand)pRastBands.Bands;
rasterDataset.PrecalculateStats(0);
ESRI.ArcGIS.DataSourcesRaster.IRasterBand pRastBand = enumRasterBand.Next();
pRastBand.ComputeStatsAndHist();
IRasterClassifyColorRampRenderer classifyRenderer = new RasterClassifyColorRampRendererClass();
IRasterRenderer rasterRenderer = (IRasterRenderer)classifyRenderer;
IFillSymbol fillSymbol = new SimpleFillSymbolClass();
IRaster raster = rasterDataset.CreateDefaultRaster();
double rMin = -2.5;
double rMax = 2.5;
if (rampRange == 0)
{
gRaster.ComputeStatistics();
Dictionary <string, decimal> rasterStats = gRaster.GetStatistics();
rMin = (double)rasterStats["min"];
rMax = (double)rasterStats["max"];
}
else
{
rMin = rampRange * -1;
rMax = rampRange;
}
rasterRenderer.Raster = raster;
if ((rMin == double.MinValue & rMax == double.MaxValue) | (rMin == double.MaxValue & rMax == double.MinValue) | (rMin == float.MinValue & rMax == float.MaxValue) | (rMin == float.MaxValue & rMax == float.MinValue))
{
classifyRenderer.ClassCount = 1;
ESRI.ArcGIS.Display.IRgbColor rgbColor = CreateRGBColor(255, 255, 255);
rgbColor.Transparency = 0;
fillSymbol.Color = rgbColor;
classifyRenderer.Symbol[0] = (ISymbol)fillSymbol;
classifyRenderer.Label[0] = "No Data (no change detected)";
return(rasterRenderer);
}
classifyRenderer.ClassCount = iClassCount;
rasterRenderer.Update();
CreateDoDClassBreaks(rMax, rMin, iClassCount, ref classifyRenderer);
List <IColor> lColors = CreateDoDColorRamp();
for (int i = 0; i < classifyRenderer.ClassCount; i++)
{
fillSymbol.Color = lColors[i];
classifyRenderer.Symbol[i] = (ISymbol)fillSymbol;
}
return(rasterRenderer);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
return(null);
}
}
public static IRasterRenderer CreateSlopeDegreesColorRamp(GCDConsoleLib.Raster gRaster)
{
IRasterRenderer rasterRenderer = null;
try
{
// Open file raster dataset and ensure that statistics and histograms are present (absence of histograms will cause Renderer.Update() to crash)
IRasterDataset rasterDataset = ArcMapUtilities.GetRasterDataset(gRaster);
ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection pRastBands = (ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection)rasterDataset;
ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand enumRasterBand = (ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand)pRastBands.Bands;
rasterDataset.PrecalculateStats(0);
ESRI.ArcGIS.DataSourcesRaster.IRasterBand pRastBand = enumRasterBand.Next();
pRastBand.ComputeStatsAndHist();
// Create the classify renderer
IRasterClassifyColorRampRenderer classifyRenderer = new RasterClassifyColorRampRendererClass();
rasterRenderer = (IRasterRenderer)classifyRenderer;
IRaster raster = rasterDataset.CreateDefaultRaster();
rasterRenderer.Raster = raster;
classifyRenderer.ClassCount = 10;
rasterRenderer.Update();
classifyRenderer.Break[0] = (double)gRaster.GetStatistics()["min"];
classifyRenderer.Label[0] = "0 to 2";
classifyRenderer.Break[1] = 2;
classifyRenderer.Label[1] = "2 to 5";
classifyRenderer.Break[2] = 5;
classifyRenderer.Label[2] = "5 to 10";
classifyRenderer.Break[3] = 10;
classifyRenderer.Label[3] = "10 to 15";
classifyRenderer.Break[4] = 15;
classifyRenderer.Label[4] = "15 to 25";
classifyRenderer.Break[5] = 25;
classifyRenderer.Label[5] = "25 to 35";
classifyRenderer.Break[6] = 35;
classifyRenderer.Label[6] = "35 to 45";
classifyRenderer.Break[7] = 45;
classifyRenderer.Label[7] = "45 to 60";
classifyRenderer.Break[8] = 60;
classifyRenderer.Label[8] = "60 to 80";
classifyRenderer.Break[9] = 80;
classifyRenderer.Label[9] = "80 to 90";
classifyRenderer.Break[10] = 90;
//Create the symbol for the classes.
List <RgbColor> lColors = CreateSlopeColorRamp();
IFillSymbol fillSymbol = new SimpleFillSymbolClass();
for (int i = 0; i < classifyRenderer.ClassCount; i++)
{
fillSymbol.Color = lColors[i];
classifyRenderer.Symbol[i] = (ISymbol)fillSymbol;
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
rasterRenderer = null;
}
return(rasterRenderer);
}
public static IRasterRenderer CreateRoughnessColorRamp(GCDConsoleLib.Raster gRaster)
{
try
{
// Open file raster dataset and ensure that statistics and histograms are present (absence of histograms will cause Renderer.Update() to crash)
IRasterDataset rasterDataset = ArcMapUtilities.GetRasterDataset(gRaster);
ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection pRastBands = (ESRI.ArcGIS.DataSourcesRaster.IRasterBandCollection)rasterDataset;
ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand enumRasterBand = (ESRI.ArcGIS.DataSourcesRaster.IEnumRasterBand)pRastBands.Bands;
rasterDataset.PrecalculateStats(0);
ESRI.ArcGIS.DataSourcesRaster.IRasterBand pRastBand = enumRasterBand.Next();
pRastBand.ComputeStatsAndHist();
IRasterClassifyColorRampRenderer classifyRenderer = new RasterClassifyColorRampRendererClass();
IRasterRenderer rasterRenderer = (IRasterRenderer)classifyRenderer;
IRaster raster = rasterDataset.CreateDefaultRaster();
rasterRenderer.Raster = raster;
classifyRenderer.ClassCount = 10;
rasterRenderer.Update();
classifyRenderer.Break[0] = 0;
classifyRenderer.Label[0] = "0 to 0.1";
classifyRenderer.Break[1] = 0.1;
classifyRenderer.Label[1] = "0.1 to 0.25";
classifyRenderer.Break[2] = 0.25;
classifyRenderer.Label[2] = "0.25 to 0.5";
classifyRenderer.Break[3] = 0.5;
classifyRenderer.Label[3] = "0.5 to 0.75";
classifyRenderer.Break[4] = 0.75;
classifyRenderer.Label[4] = "0.75 to 1.0";
classifyRenderer.Break[5] = 1;
classifyRenderer.Label[5] = "1.0 to 1.5";
classifyRenderer.Break[6] = 1.5;
classifyRenderer.Label[6] = "1.5 to 2.0";
classifyRenderer.Break[7] = 2;
classifyRenderer.Label[7] = "2.0 to 3.0";
classifyRenderer.Break[8] = 3;
classifyRenderer.Label[8] = "3.0 to 5.0";
classifyRenderer.Break[9] = 5;
classifyRenderer.Label[9] = "> 5.0";
List <RgbColor> lColors = new List <RgbColor>();
lColors.Add(CreateRGBColor(255, 255, 179));
lColors.Add(CreateRGBColor(252, 241, 167));
lColors.Add(CreateRGBColor(252, 230, 157));
lColors.Add(CreateRGBColor(250, 218, 145));
lColors.Add(CreateRGBColor(250, 208, 135));
lColors.Add(CreateRGBColor(237, 191, 126));
lColors.Add(CreateRGBColor(219, 167, 118));
lColors.Add(CreateRGBColor(201, 147, 111));
lColors.Add(CreateRGBColor(184, 127, 106));
lColors.Add(CreateRGBColor(166, 101, 101));
IFillSymbol fillSymbol = new SimpleFillSymbol();
for (int i = 0; i < classifyRenderer.ClassCount; i++)
{
fillSymbol.Color = lColors[i];
classifyRenderer.Symbol[i] = (ISymbol)fillSymbol;
}
return(rasterRenderer);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
return(null);
}
}
private static void AddRasterLayer(Raster gRaster, IRasterRenderer rasterRenderer, string sRasterName, IGroupLayer pGrpLyr, string sHeader = null, short fTransparency = -1, bool ExpandLegend = true)
{
if (pGrpLyr != null)
{
IRasterLayer pResultLayer = ArcMapUtilities.IsRasterLayerInGroupLayer(gRaster.GISFileInfo, pGrpLyr);
if (pResultLayer is ILayer)
{
return;
}
}
IRasterLayer rasterLayer = new RasterLayer();
IRasterDataset pRDS = ArcMapUtilities.GetRasterDataset(gRaster);
rasterLayer.CreateFromDataset(pRDS);
if (rasterRenderer != null)
{
rasterLayer.Renderer = rasterRenderer;
}
if (rasterLayer != null)
{
IMapLayers pMapLayers = (IMapLayers)ArcMap.Document.FocusMap;
if (!string.IsNullOrEmpty(sRasterName))
{
rasterLayer.Name = sRasterName;
}
if (!string.IsNullOrEmpty(sHeader))
{
ESRI.ArcGIS.Carto.ILegendInfo pLegend = (ESRI.ArcGIS.Carto.ILegendInfo)rasterLayer;
pLegend.LegendGroup[0].Heading = sHeader;
}
if (fTransparency >= 0)
{
ILayerEffects pLayerEffects = (ILayerEffects)rasterLayer;
pLayerEffects.Transparency = fTransparency;
}
if (pGrpLyr == null)
{
pMapLayers.InsertLayer(rasterLayer, false, 0);
}
else
{
pMapLayers.InsertLayerInGroup(pGrpLyr, rasterLayer, false, 0);
}
// Collapse or expand the legend in the ToC (e.g. Hillshade should be collapsed)
((ILegendGroup)((ILegendInfo)rasterLayer).LegendGroup[0]).Visible = ExpandLegend;
}
int refsLeft = 0;
do
{
refsLeft = System.Runtime.InteropServices.Marshal.ReleaseComObject(pRDS);
}while (refsLeft > 0);
refsLeft = 0;
do
{
refsLeft = System.Runtime.InteropServices.Marshal.ReleaseComObject(rasterLayer);
}while (refsLeft > 0);
}