51 lines
1.3 KiB
Markdown
Executable File
51 lines
1.3 KiB
Markdown
Executable File
```sql
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declare @dt datetime --时间
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declare @gpsindex numeric(18,2) --GPSIndex
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declare @rand float --随机数
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declare @count int --计数
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```
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--declare @GPSINDEX1 bigint
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```sql
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declare @adatetime1 datetime
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declare @endDate datetime; --结束时间
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declare @X1 float
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declare @Y1 float
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declare @H1 float
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declare @DX1 float
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declare @DY1 float
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declare @DH1 float
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declare @X0 float
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declare @Y0 float
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declare @H0 float
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set @dt = '2018-10-23 03:08:00.000';
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set @endDate= '2018-11-20 18:19:00.000';
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select @X1 = X,@Y1 = Y,@H1 = Height,@DX1=dltaX,@DY1=dltaY,@DH1=dltaH from MYB1_RTK where aDatetime = @dt
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```
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--求出基准坐标
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```sql
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set @X0=@X1-@DX1
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set @Y0=@Y1-@DY1
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set @H0=@H1-@DH1
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select @X0,@Y0,@H0
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```
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while(@dt < @endDate) begin
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```sql
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set @gpsindex = convert(bigint, datediff(ss, '1970-01-01 00:00:00', @dt))*1000 + datepart(ms,@dt) SET @DX1 = (rand()*-10 + 10)/2000
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SET @DY1 = (rand()*-10 + 9)/2000
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SET @DH1 =(rand()*-10 + 8)/2000
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SET @X1 = @X0+ @DX1
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SET @Y1 = @Y0+ @DY1
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SET @H1 = @H1+ @DH1
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SET @adatetime1 = DATEADD(S,@gpsindex/1000,'1970-01-01 00:00:00')
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BEGIN TRY insert into HiMonitorDb.[dbo].MYB1_RTK([GPSIndex],[aDatetime],[X],[Y],[Height],[dltaX],[dltaY],[dltaH])VALUES(@gpsindex,@adatetime1,@X1,@Y1,@H1,@DX1,@DY1,@DH1)
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END TRY BEGIN
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```
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CATCH END CATCH
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--****************
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```sql
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set @count = @count + 1
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set @dt = DATEADD(MINUTE,5,@dt) --每次递增5min
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```
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end |