Draw.DrawGrid C# (CSharp) Method

	private void DrawGrid (Grid g) {
		//	保存上下文
		GL.PushMatrix ();
		//	设置着色器块
		if (g.enable) {
			//	格子是有效的用绿色绘制
			greenMat.SetPass (0);
		} else {
			//	格子是无效的用红色绘制
			redMat.SetPass (0);
		}
		//	开始绘制
		GL.Begin (GL.QUADS);
		//	计算出格子的中心点坐标
		Vector3 center = Global.GetGlobalPos (g.pos);
		//	设置顶点
		GL.Vertex3 (center.x - Global.gridSize / 2f, 0.01f, center.z + Global.gridSize / 2f);
		GL.Vertex3 (center.x + Global.gridSize / 2f, 0.01f, center.z + Global.gridSize / 2f);
		GL.Vertex3 (center.x + Global.gridSize / 2f, 0.01f, center.z - Global.gridSize / 2f);
		GL.Vertex3 (center.x - Global.gridSize / 2f, 0.01f, center.z - Global.gridSize / 2f);
		//	结束绘制
		GL.End ();
		//	恢复上下文
		GL.PopMatrix ();
	}
}

        private void DrawCompareWave()
        {
            //关闭日期标志
            selectDateFlag = false;

            //标志已经启用对比功能
            compareFlag = true;
            //获取该风机点的风速集合
            compareWindSpeedList = FanPointDAL.GetWindSpeedOrWindDirectionOfSinglePoint(FanPointDAL.Type.风速, windFieldOfCompareFan.BranchTableName, cmbWindFieldName.SelectedItem.ToString(), cmbWindFanNumber.SelectedItem.ToString(), startTime, endTime);
            //获取该风机点的风向集合
            compareWindDirectionList = FanPointDAL.GetWindSpeedOrWindDirectionOfSinglePoint(FanPointDAL.Type.风向, windFieldOfCompareFan.BranchTableName, cmbWindFieldName.SelectedItem.ToString(), cmbWindFanNumber.SelectedItem.ToString(), startTime, endTime);
            //获取风速最大值和最小值
            compareWindSpeedMaxAndMin = new double[2];
            compareWindSpeedMaxAndMin = FanPointDAL.GetMaxMinDataOfSinglePoint(FanPointDAL.Type.风速, windFieldOfCompareFan.BranchTableName, cmbWindFieldName.SelectedItem.ToString(), cmbWindFanNumber.SelectedItem.ToString(), startTime, endTime);
            //获取风向最大值和最小值
            compareWindDirectionMaxAndMin = new double[2];
            compareWindDirectionMaxAndMin = FanPointDAL.GetMaxMinDataOfSinglePoint(FanPointDAL.Type.风向, windFieldOfCompareFan.BranchTableName, cmbWindFieldName.SelectedItem.ToString(), cmbWindFanNumber.SelectedItem.ToString(), startTime, endTime);

            //获取比较之后的风速最大值和最小值
            speedMax = GetMax(windSpeedMaxAndMin[0], compareWindSpeedMaxAndMin[0]);
            speedMin = GetMin(windSpeedMaxAndMin[1], compareWindSpeedMaxAndMin[1]);
            //获取比较之后的风向最大值和最小值
            directionMax = GetMax(windDirectionMaxAndMin[0], compareWindDirectionMaxAndMin[0]);
            directionMin = GetMin(windDirectionMaxAndMin[1], compareWindDirectionMaxAndMin[1]);

            //重新构建时间集合
            //将原始风机的时间加入新集合
            allDate = new List <DateTime?>();
            for (int i = 0; i < dateTimeCollection.Count; i++)
            {
                dateTimeCollection[i] = dateTimeCollection[i].Value.Date;
                allDate.Add(dateTimeCollection[i].Value.Date);
            }
            //将对比风机的时间加入新集合
            for (int i = 0; i < compareDateTimeCollection.Count; i++)
            {
                compareDateTimeCollection[i] = compareDateTimeCollection[i].Value.Date;
                if (allDate.Contains(compareDateTimeCollection[i].Value.Date) == false)
                {
                    allDate.Add(compareDateTimeCollection[i].Value.Date);
                }
            }
            allDate = allDate.OrderBy(d => d.Value.Date).ToList();//对日期排序

            //绘制风速图形
            Draw.DrawGrid(cvsWindSpeed, "#FF95310C");//此方法有清空canvas的操作
            Draw.DrawWord(cvsWindSpeed, this.CompanyName, this.WindFieldName, this.FanNumber, speedMax, speedMin, "#FF95310C", "(米/秒)", allDate, compareDateTimeCollection);
            Draw.DrawCompareCurve(cvsWindSpeed, windSpeedList, speedMax, speedMin, "#FF95310C", allDate, dateTimeCollection);
            Draw.DrawCompareCurve(cvsWindSpeed, compareWindSpeedList, speedMax, speedMin, "#FF104B00", allDate, compareDateTimeCollection);

            //绘制风向图形
            Draw.DrawGrid(cvsWindDirection, "#FF4D056E");//此方法有清空canvas的操作
            Draw.DrawWord(cvsWindDirection, this.CompanyName, this.WindFieldName, this.FanNumber, directionMax, directionMin, "#FF4D056E", "(度)", allDate, compareDateTimeCollection);
            Draw.DrawCompareCurve(cvsWindDirection, windDirectionList, directionMax, directionMin, "#FF4D056E", allDate, dateTimeCollection);
            Draw.DrawCompareCurve(cvsWindDirection, compareWindDirectionList, directionMax, directionMin, "#FF104B00", allDate, compareDateTimeCollection);
        }