Contour.py

# -*- coding: utf-8 -*-
#
#     Author:     Liu xianyao
#     Email:      flashlxy@qq.com
#     Update:     2017-04-06
#     Copyright:  ©江西省气象台 2017
#     Version:    1.1.20170406
from __future__ import print_function
from Projection import Projection


class Contour:
    def __init__(self, root):
        p = root.find("Contour")

        # 是否用彩色圆点标注格点或站点
        self.scatter = Projection.leaf_to_bool(p, "Scatter", False)
        # 圆点的透明度
        self.alpha = Projection.leaf_to_float(p, "Alpha", 1)
        #  圆点半径 default is 10
        self.radius = Projection.leaf_to_float(p, "Radius", 10)

        # 第三类数据等值线步长
        self.step = Projection.leaf_to_float(p, "Step", 2.0)

        # 经纬方向上的插值格点数
        self.grid = Projection.leaf_to_list(p, "Grid", [195, 216])
        if len(self.grid) != 2:
            self.grid = [195, 216]
        else:
            self.grid = [int(str(g)) for g in self.grid]

        # 等值线参数
        contourleaf = p.find("Contour")
        if contourleaf is None:
            self.contour = {
                "visible": False,
                "linewidth": 1.0,
                "linecolor": "k",
                "colorline": False,
            }
        else:
            self.contour = {
                "visible": Projection.leaf_to_bool(
                    contourleaf, "Visible", False, "TRUE"
                ),
                "linewidth": Projection.leaf_to_float(contourleaf, "LineWidth", 1.0),
                "linecolor": Projection.leaf_to_string(contourleaf, "LineColor", "k"),
                "colorline": Projection.leaf_to_bool(
                    contourleaf, "ColorLine", False, "TRUE"
                ),
            }

        # 是否显示色斑图
        self.contourfvisible = Projection.leaf_to_bool(
            p, "ContourfVisible", False, "TRUE"
        )

        # 等值线标注参数
        leaf = p.find("ContourLabel")
        if leaf is None:
            self.contourlabel = {
                "visible": False,
                "fmt": "%1.0f",
                "fontsize": 12,
                "fontcolor": "k",
                "inlinespacing": 2,
            }
        else:
            self.contourlabel = {
                "visible": Projection.leaf_to_bool(leaf, "Visible", False, "TRUE"),
                "fmt": Projection.leaf_to_string(leaf, "Fmt", "%1.0f"),
                "fontsize": Projection.leaf_to_float(leaf, "FontSize", 12),
                "fontcolor": Projection.leaf_to_string(leaf, "FontColor", "k"),
                "inlinespacing": Projection.leaf_to_float(leaf, "InlineSpacing", 2),
            }