ZedGraph 画水位过程线，入库流量过程线，综合过程线
using
System;
using
System.Collections.Generic;
using
System.ComponentModel;
using
System.Data;
using
System.Drawing;
using
System.Text;
using
System.Windows.Forms;
namespace
YNRBSYS.SysManage
{
public
partial
class
FrmText : Form
{
string
stcd
=
"
10911000
"
;
string
dtStart
=
""
;
string
dtEnd
=
""
;
string
flag
=
""
;
DataTable dt
=
new
DataTable();
int
showCount
=
0
;
public
FrmText()
{
InitializeComponent();
BindStcd();
this
.comboBox1.SelectedIndexChanged
+=
new
EventHandler(comboBox1_SelectedIndexChanged);
}
///
<summary>
///
设置选择项索引
///
</summary>
private
void
SetStcdIndex()
{
DataTable dt
=
(DataTable)
this
.comboBox1.DataSource;
if
(dt.Rows.Count
>
0
)
{
for
(
int
i
=
0
; i
<
dt.Rows.Count; i
++
)
{
if
(stcd.Trim().Equals(dt.Rows[i][
"
stcd
"
].ToString().Trim()))
{
this
.comboBox1.SelectedIndex
=
i;
break
;
}
}
}
}
///
<summary>
///
测站列表选择事件
///
</summary>
///
<param name="sender"></param>
///
<param name="e"></param>
private
void
comboBox1_SelectedIndexChanged(
object
sender, EventArgs e)
{
this
.stcd
=
this
.comboBox1.SelectedValue.ToString();
this
.dtStart
=
this
.dateTimePicker1.Value.ToString();
this
.dtEnd
=
this
.dateTimePicker2.Value.ToString();
LoadData();
if
(flag
==
"
rz
"
)
{
DrawSw();
}
else
if
(flag
==
"
inq
"
)
{
DrawRk();
}
else
if
(flag
==
"
otq
"
)
{
DrawCk();
}
else
{
DrawZh();
}
showCount
++
;
}
///
<summary>
///
邦定水库名称站码
///
</summary>
private
void
BindStcd()
{
string
sql
=
"
select stcd,stnm from st_stbprp_b where sttp='RR'
"
;
DataSet ds
=
SQLHelper.ExecuteDataset(SQLHelper.ConnCCSYQ, CommandType.Text, sql);
if
(ds.Tables.Count
>
0
&&
ds.Tables[
0
].Rows.Count
>
0
)
{
this
.comboBox1.DataSource
=
ds.Tables[
0
];
this
.comboBox1.DisplayMember
=
"
stnm
"
;
this
.comboBox1.ValueMember
=
"
stcd
"
;
}
}
///
<summary>
///
初始化方法
///
</summary>
private
void
LoadData()
{
string
sql
=
"
select a.tm, a.rz,a.inq,a.w,a.otq from st_rsvr_r a inner join
"
+
"
st_stbprp_b b on a.stcd=b.stcd where a.stcd='
"
+
stcd
+
"
' and a.tm>'
"
+
dtStart
+
"
' and a.tm<'
"
+
dtEnd
+
"
'
"
;
DataSet ds
=
SQLHelper.ExecuteDataset(SQLHelper.ConnCCSYQ, CommandType.Text, sql);
if
(ds.Tables.Count
>
0
&&
ds.Tables[
0
].Rows.Count
>
0
)
{
dt
=
ds.Tables[
0
];
this
.dataGridViewX1.DataSource
=
dt.DefaultView;
}
this
.dtStart
=
this
.dateTimePicker1.Text;
this
.dtEnd
=
this
.dateTimePicker2.Text;
//
string sql111 = "select drp, tm from st_pptn_r where stcd='10911000' and tm>'2010-8-19' and tm<'2010-8-26'";
//
DataSet ds111 = SQLHelper.ExecuteDataset(SQLHelper.ConnCCSYQ, CommandType.Text, sql111);
//
if (ds111.Tables.Count > 0 && ds111.Tables[0].Rows.Count > 0)
//
{
//
dt111 = ds111.Tables[0];
//
}
}
///
<summary>
///
设置参数
///
</summary>
private
void
SetDraw()
{
zed.LineItemList();
zed.Title
=
this
.comboBox1.Text
+
"
水库综合线图
"
;
zed.TitleColor
=
Color.Red;
zed.IsShowPointValues(
true
);
//
zed.IsShowCursorValues(true);
}
///
<summary>
///
画线
///
</summary>
private
void
Draw()
{
DateTime maxtime
=
Convert.ToDateTime(dt.Rows[dt.Rows.Count
-
1
][
"
tm
"
]);
DateTime mintime
=
Convert.ToDateTime(dt.Rows[
0
][
"
tm
"
]);
zed.Step_X
=
0.25
;
//
步长为6小时
zed.LongTime
=
true
;
zed.CreateChartLineItem(dt,
"
tm
"
,
"
rz
"
, maxtime, mintime,
"
水位
"
,
1
, Color.Blue);
zed.CreateChartLineItem(dt,
"
tm
"
,
"
inq
"
, maxtime, mintime,
"
入库流量
"
,
2
, Color.Red);
//
zed.CreateChartLineItem(dt, "时间", "nr", 1, "出库流量", Color.Red);
//
zed.CreateChartLineItem(dt, "时间", "出库流量", maxtime, mintime, "出库流量", 2, Color.Green);
//
zed.IsSmooth = true;
//
zed.CreateChartBarItem(dt111, "tm", "drp", maxtime, mintime, "降雨量", 3, Color.Green, Color.White, false, 0.2);
}
///
<summary>
///
水位画法
///
</summary>
private
void
DrawSw()
{
if
(showCount
>
0
)
{
zed.LineItemList();
}
zed.Title
=
this
.comboBox1.Text
+
"
水库水位过程线图
"
;
this
.Text
=
this
.comboBox1.Text
+
"
水库水位过程线图
"
;
zed.TitleColor
=
Color.Red;
zed.IsShowPointValues(
true
);
zed.Y1Title
=
"
水位(m)
"
;
DateTime maxtime
=
Convert.ToDateTime(dt.Rows[dt.Rows.Count
-
1
][
"
tm
"
]);
DateTime mintime
=
Convert.ToDateTime(dt.Rows[
0
][
"
tm
"
]);
zed.Step_X
=
0.25
;
//
步长为6小时
zed.LongTime
=
true
;
zed.CreateChartLineItem(dt,
"
tm
"
,
"
rz
"
, maxtime, mintime,
"
水位
"
,
1
, Color.Blue);
}
///
<summary>
///
入库流量画法
///
</summary>
private
void
DrawRk()
{
if
(showCount
>
0
)
{
zed.LineItemList();
}
zed.Title
=
this
.comboBox1.Text
+
"
水库入库流量过程线图
"
;
this
.Text
=
this
.comboBox1.Text
+
"
水库入库流量过程线图
"
;
zed.TitleColor
=
Color.Red;
zed.IsShowPointValues(
true
);
zed.Y1Title
=
"
入库流量(m3/s)
"
;
DateTime maxtime
=
Convert.ToDateTime(dt.Rows[dt.Rows.Count
-
1
][
"
tm
"
]);
DateTime mintime
=
Convert.ToDateTime(dt.Rows[
0
][
"
tm
"
]);
zed.Step_X
=
0.25
;
//
步长为6小时
zed.LongTime
=
true
;
zed.CreateChartLineItem(dt,
"
tm
"
,
"
inq
"
, maxtime, mintime,
"
入库流量
"
,
1
, Color.Red);
}
///
<summary>
///
出库流量画法
///
</summary>
private
void
DrawCk()
{
if
(showCount
>
0
)
{
zed.LineItemList();
}
zed.Title
=
this
.comboBox1.Text
+
"
水库出库流量过程线图
"
;
this
.Text
=
this
.comboBox1.Text
+
"
水库出库流量过程线图
"
;
zed.TitleColor
=
Color.Red;
zed.IsShowPointValues(
true
);
zed.Y1Title
=
"
出库流量(m3/s)
"
;
DateTime maxtime
=
Convert.ToDateTime(dt.Rows[dt.Rows.Count
-
1
][
"
tm
"
]);
DateTime mintime
=
Convert.ToDateTime(dt.Rows[
0
][
"
tm
"
]);
//
zed.Step_X = 0.25;
//
步长为6小时
//
zed.LongTime = true;
//
zed.CreateChartLineItem(dt, "tm", "otq", maxtime, mintime, "出库流量", 1, Color.Red);
//
zed.Step_X = 1;
zed.LongTime
=
true
;
zed.IsSmooth
=
false
;
zed.CreateChartLineItem(dt,
"
tm
"
,
"
otq
"
, maxtime, mintime,
"
出库流量
"
,
1
, Color.Red);
}
///
<summary>
///
综合图画法
///
</summary>
private
void
DrawZh()
{
if
(showCount
>
0
)
{
zed.LineItemList();
}
zed.Title
=
this
.comboBox1.Text
+
"
水库综合过程线图
"
;
this
.Text
=
this
.comboBox1.Text
+
"
水库综合过程线图
"
;
zed.TitleColor
=
Color.Red;
zed.IsShowPointValues(
true
);
zed.Y1Title
=
"
水位(m)
"
;
zed.Y2Title
=
"
流量(m3/s)
"
;
DateTime maxtime
=
Convert.ToDateTime(dt.Rows[dt.Rows.Count
-
1
][
"
tm
"
]);
DateTime mintime
=
Convert.ToDateTime(dt.Rows[
0
][
"
tm
"
]);
zed.Step_X
=
0.25
;
//
步长为6小时
zed.LongTime
=
true
;
zed.CreateChartLineItem(dt,
"
tm
"
,
"
rz
"
, maxtime, mintime,
"
水位
"
,
1
, Color.Blue);
zed.CreateChartLineItem(dt,
"
tm
"
,
"
inq
"
, maxtime, mintime,
"
入库流量
"
,
2
, Color.Red);
}
///
<summary>
///
画水位过程线
///
</summary>
public
void
DrawSwGcx(
string
stcd)
{
flag
=
"
rz
"
;
this
.stcd
=
stcd;
SetStcdIndex();
}
///
<summary>
///
画入库流量过程线
///
</summary>
public
void
DrawRkLlGcx(
string
stcd)
{
flag
=
"
inq
"
;
this
.stcd
=
stcd;
SetStcdIndex();
}
///
<summary>
///
画出库流量过程线
///
</summary>
public
void
DrawCkLlGcx(
string
stcd)
{
flag
=
"
otq
"
;
this
.stcd
=
stcd;
SetStcdIndex();
}
///
<summary>
///
画综合过程线
///
</summary>
public
void
DrawZhGcx(
string
stcd)
{
flag
=
"
zh
"
;
this
.stcd
=
stcd;
SetStcdIndex();
}
}
}