private void simpleButton1_Click(object sender, EventArgs e)
{
frmAddValues values = new frmAddValues();
IFeatureLayer layer = (this.cboLayers.SelectedItem as LayerObject).Layer as IFeatureLayer;
IFields fields = layer.FeatureClass.Fields;
IField field = fields.get_Field(fields.FindFieldByAliasName(this.cboFields.SelectedItem.ToString()));
values.Layer = (this.cboLayers.SelectedItem as LayerObject).Layer;
values.FieldName = field.Name;
values.List = this.ilist_0 as ArrayList;
values.List = this.ilist_0 as ArrayList;
values.GetAllValues = this.bool_0;
if (values.ShowDialog() == DialogResult.OK)
{
string[] items = new string[3];
IQueryFilter queryFilter = new QueryFilterClass();
for (int i = 0; i < values.SelectedItems.Count; i++)
{
items[0] = values.SelectedItems[i].ToString();
items[1] = values.SelectedItems[i].ToString();
queryFilter.WhereClause = field.Name + " = " +
this.ConvertFieldValueToString(field.Type, values.SelectedItems[i]);
items[2] = layer.FeatureClass.FeatureCount(queryFilter).ToString();
ListViewItem item = new ListViewItem(items);
this.listView1.Items.Add(item);
}
}
this.bool_0 = values.GetAllValues;
}
private void btnAddAllValues_Click(object sender, EventArgs e)
{
this.listView1.Items.Clear();
this.ilist_0.Clear();
string[] items = new string[3];
IFeatureLayer layer = (this.cboLayers.SelectedItem as LayerObject).Layer as IFeatureLayer;
IFields fields = layer.FeatureClass.Fields;
IField field = fields.get_Field(fields.FindFieldByAliasName(this.cboFields.SelectedItem.ToString()));
if (this.GetUniqueValues(layer, field.Name, this.ilist_0))
{
IQueryFilter queryFilter = new QueryFilterClass();
this.method_4(layer.FeatureClass.ShapeType);
for (int i = this.ilist_0.Count - 1; i >= 0; i--)
{
items[0] = this.ilist_0[i].ToString();
items[1] = this.ilist_0[i].ToString();
queryFilter.WhereClause = field.Name + " = " +
this.ConvertFieldValueToString(field.Type, this.ilist_0[i]);
items[2] = layer.FeatureClass.FeatureCount(queryFilter).ToString();
ListViewItem item = new ListViewItem(items);
this.listView1.Items.Add(item);
this.ilist_0.RemoveAt(i);
}
}
}
private void CreateDEM()
{
IWorkspaceFactory pWsF = new AccessWorkspaceFactory();
IFeatureWorkspace pWs = pWsF.OpenFromFile(textEdit1.Text, 0) as IFeatureWorkspace;
IFeatureDataset pFDs = pWs.OpenFeatureDataset("GCD");
IFeatureClass pFc = pFDs as IFeatureClass;
double power = 1;
object Missing = Type.Missing;
IFields pFields = pFc.Fields;
int index = pFields.FindFieldByAliasName("高程");
string z = pFields.get_Field(index).Name;
IFeatureClassDescriptor feaDes = new FeatureClassDescriptorClass();
feaDes.Create(pFc, null, z);
IGeoDataset inGeoDs = feaDes as IGeoDataset;
IRasterAnalysisEnvironment rasterEnv = new RasterInterpolationOpClass();
double cellSize = 20;
object cellSizeObj = cellSize;
rasterEnv.SetCellSize(esriRasterEnvSettingEnum.esriRasterEnvValue, ref cellSizeObj);
IRasterRadius radius = new RasterRadiusClass();
radius.SetVariable(12, Missing);
IInterpolationOp2 interOp = rasterEnv as IInterpolationOp2;
IGeoDataset outGeoDs = interOp.IDW(inGeoDs, power, radius, ref Missing);
pWs = pWsF.OpenFromFile(textEdit2.Text, 0) as IFeatureWorkspace;
}
/// <summary>
/// 要素排序
/// </summary>
/// <param name="pFeatureClass">要排序的要素类</param>
/// <param name="columName">Name of the colum.</param>
private void SortFeatures(IFeatureClass pFeatureClass, string columName)
{
ITableSort pTableSort = new TableSortClass();
IFields pFields = pFeatureClass.Fields;
int index = pFields.FindFieldByAliasName(columName);
IField pField = pFields.get_Field(index);
pTableSort.Fields = pField.Name;
switch (_up)
{
case true:
pTableSort.set_Ascending(pField.Name, true);
_up = false;
break;
case false:
pTableSort.set_Ascending(pField.Name, false);
_up = true;
break;
}
pTableSort.set_CaseSensitive(pField.Name, true);
pTableSort.Table = pFeatureClass as ITable;
pTableSort.Sort(null);
ICursor pCursor = pTableSort.Rows;
_pTs = pTableSort;
RefreshTable();
}
private IGeoDataset GetBeforeGeo(IFeatureClass fc)
{
IInterpolationOp3 pInterpolationOp = new RasterInterpolationOpClass();
IFields fields = fc.Fields;
int index = fields.FindFieldByAliasName("高程");
IField field = fields.get_Field(index);
ISpatialFilter filter = new SpatialFilter();
filter.Geometry = geo;
filter.SpatialRel = esriSpatialRelEnum.esriSpatialRelContains;
IFeatureClassDescriptor pFcd = new FeatureClassDescriptorClass();
pFcd.Create(fc, filter, field.Name);
//定义搜索半径
IRasterRadius pRadius = new RasterRadiusClass();
object Missing = Type.Missing;
pRadius.SetVariable(12, ref Missing);
//设置栅格图像的单位大小
object cellSizeProvider = 5;
IRasterAnalysisEnvironment pEnv = pInterpolationOp as IRasterAnalysisEnvironment;
pEnv.SetCellSize(esriRasterEnvSettingEnum.esriRasterEnvValue, ref cellSizeProvider);
IGeoDataset outGeoDataset = pInterpolationOp.IDW(pFcd as IGeoDataset, 2, pRadius, ref Missing);
return(outGeoDataset);
}
private void comboFields_SelectedIndexChanged(object sender, EventArgs e)
{
comboValue.Items.Clear();
ILayer pLayer = m_axMapControl.get_Layer(comboLayers.SelectedIndex);
IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;
if (pFeatureLayer == null)
{
return;
}
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
IFields pFields = pFeatureClass.Fields;
IFeatureCursor pFeatureCursor = pFeatureClass.Search(null, false);
IFeature pFeature = pFeatureCursor.NextFeature();
int indexField = pFields.FindFieldByAliasName(comboFields.Text);
while (pFeature != null)
{
comboValue.Items.Add(pFeature.get_Value(indexField));
pFeature = pFeatureCursor.NextFeature();
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeatureCursor);
GC.Collect();
GC.WaitForPendingFinalizers();
comboValue.Text = "<选择字段值>";
}
private string method_3(string string_0)
{
IFields fields = this.igeoFeatureLayer_0.FeatureClass.Fields;
int index = fields.FindFieldByAliasName(string_0);
return(fields.get_Field(index).Name);
}
private void button1_Click(object sender, EventArgs e)
{
IFields fields = m_pFeature.Fields;
int nIndex = fields.FindFieldByAliasName("Ïß·Ãû³Æ");
m_pFeature.set_Value(nIndex, textBox1.Text);
m_pFeature.Store();
}
private void button1_Click(object sender, EventArgs e)
{
try
{
this.Cursor = Cursors.AppStarting; // 设置对话框的鼠标指针为等待指针
string fieldName = textBox1.Text;
string aliasName = textBox2.Text;
IFeatureClass featureClass = Variable.pAttributeTableFeatureLayer.FeatureClass;
IFields fields = featureClass.Fields;
if (fields.FindField(fieldName) != -1)
{
MessageBox.Show("字段名称重复！");
this.Cursor = Cursors.Default; // 设置对话框的鼠标指针为默认指针
textBox1.Focus();
return;
}
if (fields.FindFieldByAliasName(aliasName) != -1)
{
MessageBox.Show("显示名称重复！");
this.Cursor = Cursors.Default; // 设置对话框的鼠标指针为默认指针
textBox2.Focus();
return;
}
IField newField = new FieldClass(); // 新建字段
IFieldEdit newFieldEdit = (IFieldEdit)newField;
newFieldEdit.Name_2 = fieldName; // 设置字段名称
newFieldEdit.AliasName_2 = aliasName; // 设置字段别名
switch (comboBox1.Text) // 设置字段类型
{
case "整数":
newFieldEdit.Type_2 = esriFieldType.esriFieldTypeInteger;
break;
case "小数":
newFieldEdit.Type_2 = esriFieldType.esriFieldTypeDouble;
break;
case "文本":
newFieldEdit.Type_2 = esriFieldType.esriFieldTypeString;
newFieldEdit.Length_2 = int.Parse(textBox1.Text);
break;
case "日期时间":
newFieldEdit.Type_2 = esriFieldType.esriFieldTypeDate;
break;
}
newFieldEdit.IsNullable_2 = true; // 允许空值
featureClass.AddField(newFieldEdit);
this.DialogResult = DialogResult.OK;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + "\n" + ex.ToString(), "异常");
this.Cursor = Cursors.Default; // 设置对话框的鼠标指针为默认指针
this.textBox1.Focus();
}
}
private string method_2(string string_0)
{
if (this.ilayer_0 is IGeoFeatureLayer)
{
IFields fields = (this.ilayer_0 as IGeoFeatureLayer).FeatureClass.Fields;
int index = fields.FindFieldByAliasName(string_0);
return(fields.get_Field(index).Name);
}
return("");
}
//碎线检查的算法
private void LittleLineCheck()
{
Hashtable result = new Hashtable();
IFeatureClass currentFeatureClass;
//获取各个线图层
for (int i = 0; i < checkedListBoxLyr.Items.Count; i++)
{
//图层被选中
if (checkedListBoxLyr.GetItemChecked(i))
{
string lyrNameSelected = checkedListBoxLyr.GetItemText(checkedListBoxLyr.Items[i]);
//找到选中的图层名对应的图层
foreach (DictionaryEntry de in layersHashtable)
{
//如果Hash表中的某项key值是当前遍历的图层名
if (de.Key.ToString() == lyrNameSelected)
{
//将该项Value值付给当前矢量图层对象
currentFeatureLayer = de.Value as IFeatureLayer;
currentFeatureClass = currentFeatureLayer.FeatureClass;
IFields pfields = currentFeatureClass.Fields;
int fieldIndex = pfields.FindFieldByAliasName("Shape_Length");
IFeatureCursor pFeatureCursor = currentFeatureClass.Search(null, false);
IFeature pFeature = pFeatureCursor.NextFeature();
int count = 0;
while (pFeature != null)
{
double len = Convert.ToDouble(pFeature.get_Value(fieldIndex));
if (len < 1)
{
count++;
}
pFeature = pFeatureCursor.NextFeature();
}
result.Add(lyrNameSelected, count);
Marshal.ReleaseComObject(pFeatureCursor);
}
}
}
}
//展示检查结果
string strResult = "";
foreach (DictionaryEntry de in result)
{
//如果Hash表中的某项key值是当前遍历的图层名
strResult += de.Key.ToString() + ":" + de.Value + "条碎线\n";
}
MessageBox.Show(strResult);
}
private void cboFields_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.bool_0)
{
IFields fields = this.igeoFeatureLayer_0.FeatureClass.Fields;
int index = fields.FindFieldByAliasName(this.cboFields.Text);
if (index != -1)
{
IField field = fields.get_Field(index);
this.string_0 = "[" + field.Name + "]";
(this.iannotateLayerProperties_0 as ILabelEngineLayerProperties).Expression = this.string_0;
}
}
}
/// <summary>
/// Gets the index for field.
/// </summary>
/// <param name="attributeName"> The attribute name. </param>
/// <param name="fields"> The fields. </param>
/// <returns> </returns>
private static int GetIndexForField(string attributeName, IFields fields)
{
var findField = fields.FindField(attributeName.Trim());
return(findField < 0 ? fields.FindFieldByAliasName(attributeName.Trim()) : findField);
}
/// <summary>
/// Gets the index for field.
/// </summary>
/// <param name="attributeName"> The attribute name. </param>
/// <param name="fields"> The fields. </param>
/// <returns> </returns>
private static int GetIndexForField(string attributeName, IFields fields)
{
var findField = fields.FindField(attributeName.Trim());
return findField < 0 ? fields.FindFieldByAliasName(attributeName.Trim()) : findField;
}
private void btnConfirm_Click(object sender, EventArgs e)
{
if (comboLayers.Text.Length == 0)
{
MessageBox.Show("请选择一个图层");
return;
}
if (comboFields.Text == "<选择字段值>")
{
MessageBox.Show("请选择一个合适的字段值");
return;
}
ILayer pLayer = m_axMapControl.get_Layer(comboLayers.SelectedIndex);
IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
IFields pFields = pFeatureClass.Fields;
IField pField = pFields.get_Field(pFields.FindFieldByAliasName(comboFields.Text));
IQueryFilter pQueryFilter = new QueryFilterClass();
if (pField.Type == esriFieldType.esriFieldTypeString)
{
pQueryFilter.WhereClause = comboFields.Text + " " + comboOperator.Text + " '" + comboValue.Text + "'";
}
else
{
pQueryFilter.WhereClause = comboFields.Text + " " + comboOperator.Text + " " + comboValue.Text;
}
IFeatureSelection pFeatureSelection = pFeatureLayer as IFeatureSelection;
pFeatureSelection.SelectFeatures(pQueryFilter, esriSelectionResultEnum.esriSelectionResultNew, false);
ISelectionSet pSelectionSet = pFeatureSelection.SelectionSet;
m_axMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, m_axMapControl.ActiveView.Extent);
// 显示查询要素的属性
lsvContent.Columns.Clear();
lsvContent.Items.Clear();
for (int i = 0; i < pFields.FieldCount; i++)
{
lsvContent.Columns.Add(pFields.get_Field(i).AliasName);
}
ICursor pCursor = null;
pSelectionSet.Search(null, false, out pCursor);
IFeatureCursor pFeatureCursor = pCursor as IFeatureCursor;
IFeature pFeature = pFeatureCursor.NextFeature();
while (pFeature != null)
{
ListViewItem item = null;
for (int i = 0; i < pFields.FieldCount; i++)
{
if (pFields.get_Field(i).Type != esriFieldType.esriFieldTypeGeometry)
{
if (i == 0)
{
item = lsvContent.Items.Add(pFeature.get_Value(i).ToString());
}
else
{
item.SubItems.Add(pFeature.get_Value(i).ToString());
}
}
}
pFeature = pFeatureCursor.NextFeature();
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeatureCursor);
GC.Collect();
GC.WaitForPendingFinalizers();
}
//public Boolean InitForm(IFeatureLayer pFeatureLayer)
//{
// if (pFeatureLayer == null) return false;
// IFeatureClass pFeaClass = pFeatureLayer.FeatureClass;
// if (pFeaClass == null) return false;
// m_FeatureLayer = pFeatureLayer;
// this.comboBoxLayer.Text = pFeatureLayer.Name;
// IFields pFields = pFeaClass.Fields as IFields;
// for (int i = 0; i < pFields.FieldCount; i++)
// {
// //this.comboBoxExGroupF.Items.Add(pFields.get_Field(i).AliasName );
// this.comboBoxExSumF.Items.Add(pFields.get_Field(i).AliasName );
// }
// return true;
//}
private void buttonXStatic_Click(object sender, EventArgs e)
{
//判断分组字段是否设置
if (this.listSelectColumns.Items.Count == 0)
{
MessageBox.Show("请选择分组字段!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
//判断汇总字段是否设置
if (this.comboBoxExSumF.Text.Equals(""))
{
MessageBox.Show("请选择汇总字段!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
//初始化进度条
IFeatureClass pFeatureClass = _FeatureLayer.FeatureClass;
if (pFeatureClass.FeatureCount(null) == 0)
{
MessageBox.Show("图层中没有可供统计的数据!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
IFields pFields = pFeatureClass.Fields;
int iFieldsindex = 0;
iFieldsindex = pFields.FindFieldByAliasName(this.comboBoxExSumF.Text);
string sSumField = pFields.get_Field(iFieldsindex).Name;
IField pSumField = pFields.get_Field(iFieldsindex);
esriFieldType pType = pFields.get_Field(iFieldsindex).Type;
if (pType != esriFieldType.esriFieldTypeDouble && pType != esriFieldType.esriFieldTypeInteger && pType != esriFieldType.esriFieldTypeSingle && pType != esriFieldType.esriFieldTypeSmallInteger)
{
MessageBox.Show("汇总字段须是数值型!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
List <IField> listGroupbyFields = new List <IField>();
for (int i = 0; i < listSelectColumns.Items.Count; i++)
{
string strFieldname = listSelectColumns.Items[i] as string;
int tmpFieldindex = pFields.FindFieldByAliasName(strFieldname);
IField pField = pFields.get_Field(tmpFieldindex);
if (strFieldname.Equals(this.comboBoxExSumF.Text))
{
continue;
}
listGroupbyFields.Add(pField);
}
if (listGroupbyFields.Count == 0)
{
MessageBox.Show("请选择有效地分组字段!", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
this.Hide();
SysCommon.CProgress vProgress = new SysCommon.CProgress("进度条");
vProgress.EnableCancel = false;
vProgress.ShowDescription = true;
vProgress.FakeProgress = true;
vProgress.TopMost = true;
vProgress.ShowProgress();
vProgress.SetProgress("创建临时成果数据库");
try
{
string workpath = Application.StartupPath + "\\..\\Temp";
string workSpaceName = Application.StartupPath + "\\..\\Temp\\TmpStatistic.mdb";
if (File.Exists(workSpaceName))
{
File.Delete(workSpaceName);
}
//判断结果目录是否存在，不存在则创建
if (System.IO.Directory.Exists(workpath) == false)
{
System.IO.Directory.CreateDirectory(workpath);
}
//创建一个新的mdb数据库,并打开工作空间
IWorkspace pOutWorkSpace = ChangeJudge.CreatePDBWorkSpace(workpath, "TmpStatistic.mdb");
string sFeatureClassName = "";
vProgress.SetProgress("分析目标图层数据");
if (_FeatureLayer != null)
{
IDataset pDataSet = _FeatureLayer.FeatureClass as IDataset;
IWorkspace pWorkSpace = pDataSet.Workspace;
sFeatureClassName = pDataSet.Name;
CopyPasteGDBData.CopyPasteGeodatabaseData(pWorkSpace, pOutWorkSpace, sFeatureClassName, esriDatasetType.esriDTFeatureClass);
}
pOutWorkSpace = null;
if (sFeatureClassName.Contains("."))
{
sFeatureClassName = sFeatureClassName.Substring(sFeatureClassName.IndexOf(".") + 1);
}
ModStatReport.DoCustomizeStat(workSpaceName, _FeatureLayer.Name, sFeatureClassName, listGroupbyFields, pSumField as Field, vProgress);
this.DialogResult = DialogResult.OK;
}
catch (Exception err)
{
MessageBox.Show(err.Message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
vProgress.Close();
}
}