__init__.py 文件源码

def draw_pyproj(self, box, scene):
        valid_dxf_srid = True

        # DXF SCALE
        box.prop(self, "dxf_scale")

        # EPSG DXF
        box.alert = (self.proj_scene != 'NONE' and (not valid_dxf_srid or self.proj_dxf == 'NONE'))
        box.prop(self, "proj_dxf")
        box.alert = False
        if self.proj_dxf == 'USER':
            try:
                Proj(init=self.epsg_dxf_user)
            except:
                box.alert = True
                valid_dxf_srid = False
            box.prop(self, "epsg_dxf_user")
        box.alert = False

        box.separator()

        # EPSG SCENE
        col = box.column()
        # Only info in case of pre-defined EPSG from current scene.
        if self.internal_using_scene_srid:
            col.enabled = False

        col.prop(self, "proj_scene")

        if self.proj_scene == 'USER':
            try:
                Proj(init=self.epsg_scene_user)
            except Exception as e:
                col.alert = True
            col.prop(self, "epsg_scene_user")
            col.alert = False
            col.label("")  # Placeholder.
        elif self.proj_scene == 'TMERC':
            col.prop(self, "merc_scene_lat", text="Lat")
            col.prop(self, "merc_scene_lon", text="Lon")
        else:
            col.label("")  # Placeholder.
            col.label("")  # Placeholder.

        # user info
        if self.proj_scene != 'NONE':
            if not valid_dxf_srid:
                box.label("DXF SRID not valid", icon="ERROR")
            if self.proj_dxf == 'NONE':
                box.label("", icon='ERROR')
                box.label("DXF SRID must be set, otherwise")
                if self.proj_scene == 'USER':
                    code = self.epsg_scene_user
                else:
                    code = self.proj_scene
                box.label('Scene SRID %r is ignored!' % code)