mapgis7.0二次开发小试牛刀
{
mapXBase.IXMap m_IMap;
mapXBase.IXMapLayer m_IMapLayer;
m_IMap = axMxWorkSpace1.ActiveMap;
//m_IMapLayer = m_IMap.ActiveLayer;
mc_basXcls7Lib.mcFeatureCls m_NewFCLs = null;
m_NewFCLs = (mc_basXcls7Lib.mcFeatureCls)m_IMap.get_Layer(1).XClass;
mc_basObj7Lib.mcField myField;
mc_basObj7Lib.mcFields myFields=null;
Search mySearch = new Search();
if (m_NewFCLs != null)
{
m_NewFCLs.GetFields(out myFields);
myField = myFields.get_fldEntry(0);
for (short i = 0; i < myFields.numbfield; i++)
{
mySearch.addElement(myFields.get_fldEntry(i).fieldname);
}
}
mySearch.ShowDialog();
string field_name = mySearch.get_zd_name(); //要替换的字段名
string field_name_look = mySearch.get_search_begain();//要替换的查找记录
string field_name_replace = mySearch.get_search_end();//替换为什么
mc_basObj7Lib.mcFeature myfeature;
mc_basObj7Lib.mcObjectID myid;
int j =return_fieldID(field_name,myFields);
//mc_basObj7Lib.mcRecord myRecord;
mc_basObj7Lib.mcFldNames myAtt=null;
string condition = field_name + " LIKE "+" '%" + field_name_look + "%'";//一定要用大写LIKE，否则的话不能执行G_SQL
int subTypeCode = -1; //子类型字段的值，该参数缺省为-1
string orderByFld = field_name; //结果排序字段名
short isAsc=1;
mc_basObj7Lib.mcQueryCondition myQueryCondition=new mc_basObj7Lib.mcQueryCondition();
mc_basObj7Lib.meObjType myobjtype;
mc_basXcls7Lib.mcSelectOption mySelectOption=new mc_basXcls7Lib.mcSelectOption();
mc_basXcls7Lib.mcSelectSet mySet = new mc_basXcls7Lib.mcSelectSet();
myQueryCondition.SetAttCondition(condition, myAtt);
int m_FCLsId = 0;
if (m_NewFCLs.AttSelect(myQueryCondition, out mySet, mySelectOption, subTypeCode, orderByFld, isAsc) > -1)
{
mySet.fset.MoveFirst();
int num_move = mySet.fset.MoveFirst();
while (num_move>-1)
{
myid = mySet.fset.GetObjID();
mc_basObj7Lib.mcRecord myRecord;
mySet.fset.GetAtt(out myRecord);
object myreplace = null;
myRecord.GetFldVal(field_name, out myreplace);
string ztf_test = myreplace.ToString().Trim();
ztf_test=ztf_test.Replace(field_name_look, field_name_replace);
myRecord.SetFldFromStr(field_name, ztf_test);
m_NewFCLs.UpdateAtt(myid, myRecord);
num_move=mySet.fset.MoveNext();
}
}
}
private void 线对线吸引ToolStripMenuItem_Click(object sender, EventArgs e)
{
mapXBase.IXMap m_IMap;
mapXBase.IXMapLayer m_IMapLayer;
m_IMap = axMxWorkSpace1.ActiveMap;
shuxing myshuxing = new shuxing();
for (int i = 1; i < m_IMap.LayerCount+1; i++)
{
m_IMapLayer = m_IMap.get_Layer(i);
myshuxing.addElement(m_IMapLayer.LayerName.ToString().Trim());
}
myshuxing.ShowDialog();
string look_layer=myshuxing.get_layer_begin().ToString();
string idea_layer=myshuxing.get_layer_end().ToString();
string NotNullField = myshuxing.get_NotNullField().ToString().Trim();
double look_radio = myshuxing.get_look_rad();
mc_basXcls7Lib.mcFeatureCls myCLs = null;
myCLs = (mc_basXcls7Lib.mcFeatureCls)m_IMap.get_LayerByName(look_layer).XClass;
mc_basXcls7Lib.mcFeatureCls myCls2 = null;
myCls2 = (mc_basXcls7Lib.mcFeatureCls)m_IMap.get_LayerByName(idea_layer).XClass;
mc_basXcls7Lib.mcSelectSet mySet;
mc_basXcls7Lib.mcSelectSet mySet2;
mc_basObj7Lib.mcQueryCondition myQueryCondition = new mc_basObj7Lib.mcQueryCondition();
myQueryCondition.SetAttCondition("'" + NotNullField + "' !=''", null);
if (myCLs.AttSelect(myQueryCondition, out mySet, null, -1, "", 1) > -1)
{
mySet.fset.MoveFirst();
int move_number = mySet.fset.MoveFirst();
mc_basObj7Lib.mcFeature myFeature = new mc_basObj7Lib.mcFeature();
while (move_number > -1)
{
mc_basObj7Lib.mcObjectID myLineID = new mc_basObj7Lib.mcObjectID();
mc_basObj7Lib.mcObjectID myArcID = new mc_basObj7Lib.mcObjectID();
mc_basObj7Lib.mcObjectID myFeatureID = new mc_basObj7Lib.mcObjectID();
myFeatureID = mySet.fset.GetObjID();
myLineID = getLineIDformFeatureID(myFeatureID);
myArcID = getArcIDformFeatureID(myFeatureID);
mc_basObj7Lib.mcLinInfo mylininfo = new mc_basObj7Lib.mcLinInfo();
mc_basObj7Lib.mcGeoVarLine myGeoVarLine = new mc_basObj7Lib.mcGeoVarLine();//定义一条新的折线
mc_basObj7Lib.IGeoLine myGeoLine;
mc_basObj7Lib.mcGeoLines myGeoLines;
mySet.glinset.GetPos(out myGeoLines, out mylininfo);
//myCLs.glin.GetPos(myLineID, out myGeoLines, out mylininfo);
// myGeoLines.GetLine(0, out myGeoLine);
myCLs.sarc.Get(myLineID, out myGeoLine);//从空间弧段中取几何线
mc_basObj7Lib.mc3Dots my3Dots = new mc_basObj7Lib.mc3Dots();
myGeoLine.Get3Dots(out my3Dots);
mc_basObj7Lib.mc3Dot replaceDot = new mc_basObj7Lib.mc3Dot();
mc_basObj7Lib.mcObjectIDs myArcIDs = new mc_basObj7Lib.mcObjectIDs();
bool flag_cycle = true;
for (int b = 0; b < my3Dots.count; b++)
{
if (myCls2.AttSelect(myQueryCondition, out mySet2, null, -1, "", 1) > -1)
{
mySet2.fset.MoveFirst();
int num_2 = mySet2.fset.MoveFirst();
while (num_2 > -1)
{
mc_basObj7Lib.mcObjectID replaceFeatureID = new mc_basObj7Lib.mcObjectID();
replaceFeatureID = mySet2.fset.GetObjID();
mc_basObj7Lib.mcObjectID replaceLineID = new mc_basObj7Lib.mcObjectID();
replaceLineID = getLineIDformFeatureID(replaceFeatureID);
mc_basObj7Lib.mcObjectID replaceArcID = new mc_basObj7Lib.mcObjectID();
replaceArcID = getArcIDformFeatureID(replaceFeatureID);
mc_basObj7Lib.IGeoLine myGeoLine2;
myCls2.sarc.Get(replaceLineID, out myGeoLine2);
mc_basObj7Lib.mc3Dots pointDots = new mc_basObj7Lib.mc3Dots();
mc_basObj7Lib.mc3Dot pointDot = new mc_basObj7Lib.mc3Dot();
myGeoLine2.Get3Dots(out pointDots);
for (int c = 0; c < pointDots.count; c++)
{
pointDot = pointDots.get_item(c);
if (point_compare(my3Dots.get_item(b), pointDots.get_item(c), look_radio))
{
myGeoVarLine.Append3D(pointDots.get_item(c));
flag_cycle = false;
goto myLabel;
}
}
num_2 = mySet2.fset.MoveNext();
}
myLabel:
if (flag_cycle)
{
myGeoVarLine.Append3D(my3Dots.get_item(b));
}
}
}
myCLs.sarc.Update(myArcID, myGeoVarLine);
//myCLs.glin.Update(myLineID, myArcIDs, mylininfo);
mySet.fset.Get(out myFeature);
myCLs.feature.UpdateLin(myFeatureID, (mc_basObj7Lib.IGeoLine)myGeoVarLine, myFeature.att, mylininfo);
myCLs.feature.Update(myFeatureID, myFeature);
move_number = mySet.fset.MoveNext();
}
}
this.axMxWorkSpace1.Save();
}
//返回ArcID
public mc_basObj7Lib.mcObjectID getArcIDformFeatureID(mc_basObj7Lib.mcObjectID featureID)
{
mc_basObj7Lib.mcObjectID ArcID = new mc_basObj7Lib.mcObjectID();
ArcID.Int = featureID.Int - 1;
ArcID.Int64 = Convert.ToInt64(featureID.Int - 1);
ArcID.String = Convert.ToString(featureID.Int - 1);
ArcID = (mc_basObj7Lib.mcObjectID)ArcID;
return ArcID;
}
//返回LineID
public mc_basObj7Lib.mcObjectID getLineIDformFeatureID(mc_basObj7Lib.mcObjectID featureID1)
{
mc_basObj7Lib.mcObjectID LineID = new mc_basObj7Lib.mcObjectID();
LineID.Int = featureID1.Int - 2;
LineID.Int64 = Convert.ToInt64(featureID1.Int - 2);
LineID.String = Convert.ToString(featureID1.Int - 2);
LineID = (mc_basObj7Lib.mcObjectID)LineID;
return LineID;
}
//比较点位距离
public bool point_compare(mc_basObj7Lib.mc3Dot Dot1,mc_basObj7Lib.mc3Dot Dot2, double space)
{
double x1=Dot1.x;
double y1=Dot1.y;
double x2=Dot2.x;
double y2 = Dot2.y;
double sq1 = x1 * x1 + y1 * y1;
double sq2 = x2 * x2 + y2 * y2;
double sq_space = space * space;
if (Math.Abs(sq1 - sq2) < sq_space)
{
return true;
}
else
{
return false;
}
}
/根据字段名检测字段所在的fieldID
public int return_fieldID(string field_name, mc_basObj7Lib.mcFields myfields)
{
int return_num = -1;
for (short num = 0; num < myfields.numbfield; num++)
{
string mystring = myfields.get_fldEntry(num).ToString().Trim();
if (mystring == field_name)
{
return_num = Convert.ToInt16(num);
break;
}
}
return return_num;
}
//线对线吸引窗口
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace DocumentOper
{
public partial class shuxing : Form
{
public string layer_begin;
public string layer_end;
public double look_rad;
public string NotNullField;
public shuxing()
{
InitializeComponent();
}
public string get_layer_begin()
{
return layer_begin;
}
public string get_layer_end()
{
return layer_end;
}
public double get_look_rad()
{
return look_rad;
}
public string get_NotNullField()
{
return NotNullField;
}
public void addElement(object element)
{
this.comboBox1.Items.Add(element);
this.comboBox2.Items.Add(element);
}
private void button1_Click(object sender, EventArgs e)
{
if (this.comboBox1.SelectedIndex > -1)
{
layer_begin = this.comboBox1.GetItemText(comboBox1.SelectedItem).ToString().Trim();
layer_end = this.comboBox2.GetItemText(comboBox2.SelectedItem).ToString().Trim();
look_rad = Convert.ToDouble(this.textBox1.Text.ToString().Trim());
NotNullField = this.textBox2.Text.ToString().Trim();
this.Close();
}
else
{
MessageBox.Show("请选择！");
return;
}
}
private void button2_Click(object sender, EventArgs e)
{
this.FindForm().Close();
this.comboBox1.Items.Clear();
this.comboBox2.Items.Clear();
this.Close();
}
private void shuxing_FormClosed(object sender, FormClosedEventArgs e)
{
this.comboBox1.Items.Clear();
this.comboBox2.Items.Clear();
}
}
}
//属性替换窗口
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace DocumentOper
{
public partial class Search : Form
{
private string zd_name;
private string search_begain;
private string search_end;
public Search()
{
InitializeComponent();
}
public string get_zd_name()
{
return zd_name;
}
public string get_search_begain()
{
return search_begain;
}
public string get_search_end()
{
return search_end;
}
private void button2_Click(object sender, EventArgs e)
{
this.textBox1.Text = "";
this.textBox2.Text = "";
}
private void button1_Click(object sender, EventArgs e)
{
if (this.comboBox1.SelectedIndex > -1)
{
zd_name = this.comboBox1.GetItemText(comboBox1.SelectedItem).ToString().Trim();
search_begain = this.textBox1.Text.ToString().Trim();
search_end = this.textBox2.Text.ToString().Trim();
this.Close();
}
else
{
MessageBox.Show("请选择一个要查找的字段");
}
}
public void addElement(object element)
{
this.comboBox1.Items.Add(element);
}
private void Search_FormClosed(object sender, FormClosedEventArgs e)
{
this.comboBox1.Items.Clear();
}
}
}
posted on 2008-05-07 16:54 草样年华........ 阅读(735) 评论(0) 编辑 收藏 举报
