private int method_7(string string_3, ITable itable_0)
{
try
{
ITableHistogram tableHistogram = new BasicTableHistogram() as ITableHistogram;
tableHistogram.Table = itable_0;
tableHistogram.Field = string_3;
ITableHistogram histogram = tableHistogram as ITableHistogram;
if ((histogram as IStatisticsResults).Count == 0)
{
return(0);
}
return((int)(histogram as IStatisticsResults).Maximum);
}
catch (Exception exception)
{
Logger.Current.Error("", exception, "");
}
return(1);
}
/// <summary>
/// Retorna o objectid com valor no campo passado
/// </summary>
/// <param name="className">Nome da classe (Table ou FeatureClass)</param>
/// <param name="fieldName">Nome do campo</param>
/// <param name="condicaoExtra">Caso haja uma condição extra posicionar nesta variável</param>
/// <returns>Objectid o registro que atende a máxima condição em relação ao fieldName passado</returns>
public static int GetLastObjectID(string className, string fieldName, string condicaoExtra)
{
if (string.IsNullOrEmpty(className) && string.IsNullOrEmpty(fieldName))
throw new Exception("Parâmetros não preenchidos");
IFeatureWorkspace featureWorkspace = (IFeatureWorkspace)ws;
(featureWorkspace as IVersion).RefreshVersion();
ITable table = featureWorkspace.OpenTable(className);
if (table == null)
throw new Exception("Classe não existe");
// ESRI.ArcGIS.Carto.ITableHistogram tableHistogram = new
BasicTableHistogram bh = new BasicTableHistogram();
ITableHistogram th = bh as ITableHistogram;
th.Table = table;
th.Field = fieldName;
IStatisticsResults statisticResult = th as IStatisticsResults;
IQueryFilter qf = new QueryFilterClass();
DateTime dateTime = DateTime.FromOADate(statisticResult.Maximum);
string extraCondition = String.Empty;
if (condicaoExtra != String.Empty)
extraCondition = " AND " + condicaoExtra;
qf.SubFields = "*";
qf.WhereClause = fieldName + "=" + "timestamp '" + dateTime.ToString(TimestampFormat) + "'" + extraCondition;
ICursor cursor = table.Search(qf, false);
IRow row = cursor.NextRow();
if (row != null)
{
return Convert.ToInt32(row.OID);
}
else
{
throw new Exception("Tabela sem registros");
}
}
public static void UsingRasterClassifyRendered(IRasterLayer irasterLayer_0, int int_0, string string_0)
{
try
{
bool flag;
IRaster raster = irasterLayer_0.Raster;
IRasterBand band = (raster as IRasterBandCollection).Item(0);
band.HasTable(out flag);
if (flag)
{
int num2;
bool flag2;
IRasterClassifyColorRampRenderer renderer = new RasterClassifyColorRampRenderer();
IRasterRenderer renderer2 = renderer as IRasterRenderer;
renderer2.Raster = raster;
ITable attributeTable = band.AttributeTable;
ITableHistogram tableHistogram = new BasicTableHistogram() as ITableHistogram;
tableHistogram.Field = string_0;
tableHistogram.Table = attributeTable;
ITableHistogram histogram = tableHistogram as ITableHistogram;
double maximum = (histogram as IStatisticsResults).Maximum;
IClassify classify = new EqualInterval() as IClassify;
(classify as IClassifyMinMax).Minimum = (histogram as IStatisticsResults).Minimum;
(classify as IClassifyMinMax).Maximum = (histogram as IStatisticsResults).Maximum;
int_0--;
classify.Classify(ref int_0);
object classBreaks = classify.ClassBreaks;
UID classID = classify.ClassID;
IRasterClassifyUIProperties properties = renderer as IRasterClassifyUIProperties;
properties.ClassificationMethod = classID;
renderer.ClassCount = int_0;
renderer.ClassField = string_0;
for (num2 = 0; num2 < int_0; num2++)
{
renderer.set_Break(num2, ((double[])classBreaks)[num2]);
}
IColorRamp ramp = ColorManage.CreateColorRamp();
ramp.Size = int_0;
ramp.CreateRamp(out flag2);
IFillSymbol symbol = new SimpleFillSymbol();
for (num2 = 0; num2 < renderer.ClassCount; num2++)
{
double num4;
symbol.Color = ramp.get_Color(num2);
renderer.set_Symbol(num2, symbol as ISymbol);
double num3 = ((double[])classBreaks)[num2];
if (num2 == (renderer.ClassCount - 1))
{
num4 = maximum;
}
else
{
num4 = ((double[])classBreaks)[num2 + 1];
}
renderer.set_Label(num2, num3.ToString() + "-" + num4.ToString());
}
renderer2.Update();
irasterLayer_0.Renderer = renderer as IRasterRenderer;
}
else
{
UsingRasterClassifyRendered1(irasterLayer_0, int_0, string_0);
}
}
catch (Exception exception)
{
CErrorLog.writeErrorLog(null, exception, "栅格渲染");
}
}
