set_title('Flow Direction') plt.show() del fd_image plt.clf() 2.3 流量 D8Flow Accumulation 创建每个像元累积流量的栅格。高流量的输出像元是集中流动区域,可用于标识河道。 累计流量计算示意图 参数说明: out_type:指定流量的汇总形式,"cells"为统计流域栅格数量, "cat* chment area"为上游汇水区面积;...
1).end('up').row>>>sht.api.Range('A1').End(xw.constants.Direction.xlDown).Row>>>sht.api.Cells(1,1).End(xw.constants.Direction.xlDown).Row>>>sht.api.Range('A'+str(sht.api.Rows.Count))
field 字段 (for database) field 字段(java) field length 字段长度 (for database) file 文件 G GC (Garbage collection) 垃圾回收(机制)、垃圾收集(机制) generate 生成 generic 泛化的、一般化的、通用的 generic algorithm通用算法 genericity 泛型 H handle 句柄 handler 处理器 hard disk 硬盘 hard-coded ...
import sympy def plot_direction_field(x, y_x, f_xy, x_lim=(-5, 5), y_lim=(-5, 5), ax=None): f_np = sympy.lambdify((x,y_x), f_xy, 'numpy')#(x,y_x)两个自变量参与到f_xy规则运算(隐函数) x_vec = np.linspace(x_lim[0], x_lim[1], 20) y_vec = np.linspace(y...
void CThostFtdcTraderSpi::OnRtnXXX(CThostFtdcXXXField *pXXX) 或void CThostFtdcTraderSpi::OnErrRtnXXX(CThostFtdcXXXField *pXXX,CThostFtdcRspInfoField *pRspInfo)当收到交易托管系统通过私有流发布的回报数据时,CThostFtdcTraderSpi的回调函数会被调用。回调函数的参数为回报的具体内容。 CTP 的公有流和...
(displayName="Sinuosity Field",name="sinuosity_field",datatype="Field",parameterType="Optional",direction="Input")param1.value="sinuosity"# Third parameterparam2=arcpy.Parameter(displayName="Output Features",name="out_features",datatype="GPFeatureLayer",parameterType="Derived",direction="Output")...
# Calculate power flowing outwards in each direction in # scattered field region. # Note minus sign for bottom and left monitors. # 计算散射场区域每个方向向外流动的功率。 # 注意底部和左侧显示器的减号。 Ptop = transmission("y2"); if(havedata("y1")) { Pbottom = -transmission("y1"); ...
self.name=namedefmove(self,field,step=1):iffield.getDrunk()!=self:raiseValueError("No such drunk is found on the field")foriinrange(step): direc=Direction(random.choice(Direction.possibleDirection)) field.move(direc,1)defperformTrial(step,f): ...
我正在研究有关地球磁场的地面观测数据。我在Jupyter Notebook的Python中工作。每个天文台都有一个数据系列,绘制如下图:plt.scatter 法典: # Function that plots the time series and the data series from a .mat data file # (in the dB-direction based on the out-variable), that is associated with ...
Field",name="sinuosity_field",datatype="Field",parameterType="Optional",direction="Input")sinuosity_field.value="sinuosity"# Derived Output Features parameterout_features=arcpy.Parameter(displayName="Output Features",name="out_features",datatype="GPFeatureLayer",parameterType="Derived",direction="Output...