當前位置: 首頁>>代碼示例>>Python>>正文


Python Region.unionPoint方法代碼示例

本文整理匯總了Python中region.Region.unionPoint方法的典型用法代碼示例。如果您正苦於以下問題:Python Region.unionPoint方法的具體用法?Python Region.unionPoint怎麽用?Python Region.unionPoint使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在region.Region的用法示例。


在下文中一共展示了Region.unionPoint方法的3個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: __init__

# 需要導入模塊: from region import Region [as 別名]
# 或者: from region.Region import unionPoint [as 別名]
class KDTreeApp:
    
    def __init__(self):
        """App for creating KD tree dynamically and executing range queries."""
        
        self.tree = KDTree()
        
        # for range query
        self.selectedRegion = None
        
        self.master = tkinter.Tk()
        self.master.title('KD Tree Range Query Application')
        self.w = tkinter.Frame(self.master, width=410, height=410)
        self.canvas = tkinter.Canvas(self.w, width=400, height=400)        
                        
        self.paint()

        self.canvas.bind("<Button-1>", self.click)
        self.canvas.bind("<Button-3>", self.range)   # when right mouse clicked
        self.canvas.bind("<ButtonRelease-3>", self.clear)
        self.canvas.bind("<B3-Motion>", self.range)  # only when right mouse dragged

        # Different bindings on Macintosh platform
        self.canvas.bind("<Button-2>", self.range)   # when right mouse clicked
        self.canvas.bind("<ButtonRelease-2>", self.clear)
        self.canvas.bind("<B2-Motion>", self.range)  # only when right mouse dragged

        self.w.pack()

    def toCartesian(self, y):
        """Convert tkinter point into Cartesian."""
        return self.w.winfo_height() - y

    def toTk(self,y):
        """Convert Cartesian into tkinter point."""
        if y == maxValue: return 0
        tk_y = self.w.winfo_height()
        if y != minValue:
            tk_y -= y
        return tk_y
         
    def clear(self, event):
        """End of range search."""
        self.selectedRegion = None
        self.paint()
        
    def range(self, event):
        """Initiate a range search using a selected rectangular region."""
        
        p = (event.x, self.toCartesian(event.y))
         
        if self.selectedRegion is None:
            self.selectedStart = Region(p[X],p[Y],  p[X],p[Y])
        self.selectedRegion = self.selectedStart.unionPoint(p)
        
        self.paint()
        
        # return (node,status) where status is True if draining entire tree rooted at node. Draw these
        # as shaded red rectangle to identify whole sub-tree is selected.
        for pair in self.tree.range(self.selectedRegion):
            p = pair[0].point
            
            if pair[1]:
                self.canvas.create_rectangle(pair[0].region.x_min, self.toTk(pair[0].region.y_min), 
                                             pair[0].region.x_max, self.toTk(pair[0].region.y_max),
                                             fill='Red', stipple='gray12')
            else:
                self.canvas.create_rectangle(p[X] - RectangleSize, self.toTk(p[Y]) - RectangleSize, 
                                             p[X] + RectangleSize, self.toTk(p[Y]) + RectangleSize, fill='Red')
        
    def click(self, event):
        """Add point to KDtree."""
        p = (event.x, self.toCartesian(event.y))
        
        self.tree.add(p)
             
        self.paint()

    def drawPartition (self, r, p, orient):
        """Draw partitioning line and points itself as a small square."""
        if orient == VERTICAL:
            self.canvas.create_line(p[X], self.toTk(r.y_min), p[X], self.toTk(r.y_max))
        else:
            xlow = r.x_min
            if r.x_min <= minValue: xlow = 0
            xhigh = r.x_max
            if r.x_max >= maxValue: xhigh = self.w.winfo_width()

            self.canvas.create_line(xlow, self.toTk(p[Y]), xhigh, self.toTk(p[Y]))

        self.canvas.create_rectangle(p[X] - RectangleSize, self.toTk(p[Y]) - RectangleSize,
                                     p[X] + RectangleSize, self.toTk(p[Y]) + RectangleSize, fill='Black')

    def visit (self, n):
        """ Visit node to paint properly."""
        if n == None: return

        self.drawPartition(n.region, n.point, n.orient)

        self.visit (n.below)
#.........這裏部分代碼省略.........
開發者ID:MattRijk,項目名稱:data-structures,代碼行數:103,代碼來源:app_kd.py

示例2: __init__

# 需要導入模塊: from region import Region [as 別名]
# 或者: from region.Region import unionPoint [as 別名]
class KDTreeApp:

    def __init__(self):
        """App for creating KD tree dynamically and executing range queries."""
        
        self.tree = KDTree()
        
        # for range query
        self.selectedRegion = None
        self.queryRect = None
       
        master = tkinter.Tk()
        master.maxsize(width=Size, height=Size+26)
        master.minsize(width=Size, height=Size+26)
        master.title('KD Tree Drawing and Query Application')
        self.w = tkinter.Frame(master, width=Size, height=Size+26)
        self.canvas = tkinter.Canvas(self.w, width=Size, height=Size)        
        self.paint()   

        b = tkinter.Button(master, text="Reset", command=self.reset)
        b.pack()

        self.canvas.bind("<Button-1>", self.click)
        self.canvas.bind("<Button-3>", self.range)   # when right mouse clicked
        self.canvas.bind("<ButtonRelease-3>", self.clear)
        self.canvas.bind("<B3-Motion>", self.range)  # only when right mouse dragged

        # Different bindings on Macintosh platform
        self.canvas.bind("<Button-2>", self.range)   # when right mouse clicked
        self.canvas.bind("<ButtonRelease-2>", self.clear)
        self.canvas.bind("<B2-Motion>", self.range)  # only when right mouse dragged

        self.canvas.pack()
        self.w.pack()

    def reset(self):
        """Reset to initial state."""
        self.tree = KDTree()
        self.paint()

    def toCartesian(self, y):
        """Convert tkinter point into Cartesian."""
        return Size - y

    def toTk(self,y):
        """Convert Cartesian into tkinter point."""
        if y == maxValue: return 0
        tk_y = Size
        if y != minValue:
            tk_y -= y
        return tk_y
         
    def clear(self, event):
        """End of range search."""
        self.selectedRegion = None
        self.paint()
        
    def range(self, event):
        """Initiate a range search using a selected rectangular region."""
        
        p = (event.x, self.toCartesian(event.y))
         
        if self.selectedRegion is None:
            self.selectedStart = Region(p[X],p[Y],  p[X],p[Y])
        self.selectedRegion = self.selectedStart.unionPoint(p)
        
        self.paint()
        
        # return (node,sub-tree) where sub-tree is True if draining entire tree
        # rooted at node. Draw these as shaded red rectangle to identify whole
        # sub-tree is selected.
        for pair in self.tree.range(self.selectedRegion):
            p = pair[0].point
            
            if pair[1]:
                self.canvas.create_rectangle(pair[0].region.x_min, self.toTk(pair[0].region.y_min), 
                                             pair[0].region.x_max, self.toTk(pair[0].region.y_max),
                                             fill='Red', stipple='gray12')
            else:
                self.canvas.create_rectangle(p[X] - BoxSize, self.toTk(p[Y]) - BoxSize, 
                                             p[X] + BoxSize, self.toTk(p[Y]) + BoxSize, fill='Red')

        self.queryRect = self.canvas.create_rectangle(self.selectedRegion.x_min, self.toTk(self.selectedRegion.y_min),  
                                                     self.selectedRegion.x_max, self.toTk(self.selectedRegion.y_max), 
                                                     outline='Red', dash=(2, 4))
        
    def click(self, event):
        """Add point to KDtree."""
        p = (event.x, self.toCartesian(event.y))
        self.tree.add(p)
        self.paint()

    def drawPartition (self, r, p, orient):
        """Draw partitioning line and points itself as a small square."""
        if orient == VERTICAL:
            self.canvas.create_line(p[X], self.toTk(r.y_min), p[X], self.toTk(r.y_max))
        else:
            xlow = r.x_min
            if r.x_min <= minValue: xlow = 0
            xhigh = r.x_max
#.........這裏部分代碼省略.........
開發者ID:heineman,項目名稱:python-kd-webinar,代碼行數:103,代碼來源:app2.py

示例3: __init__

# 需要導入模塊: from region import Region [as 別名]
# 或者: from region.Region import unionPoint [as 別名]
class QuadTreeApp:
    
    def __init__(self):
        """App for creating Quad tree dynamically and executing range queries."""
        
        self.tree = QuadTree(Region(0,0,W,H))
        self.match = None
        
        # for range query
        self.selectedRegion = None
        self.queryRect = None
        
        self.master = tkinter.Tk()
        self.master.title('Quad Tree Range Application')
        self.w = tkinter.Frame(self.master, width=W, height=H)
        self.canvas = tkinter.Canvas(self.w, width=W, height=H)        
                        
        self.paint()

        self.canvas.bind("<Button-1>", self.click)
        self.canvas.bind("<Button-3>", self.range)   # when right mouse clicked
        self.canvas.bind("<ButtonRelease-3>", self.clear)
        self.canvas.bind("<B3-Motion>", self.range)  # only when right mouse dragged

        # Different bindings on Macintosh platform
        self.canvas.bind("<Button-2>", self.range)   # when right mouse clicked
        self.canvas.bind("<ButtonRelease-2>", self.clear)
        self.canvas.bind("<B2-Motion>", self.range)  # only when right mouse dragged

        self.w.pack()
        
    def toCartesian(self, y):
        """Convert tkinter point into Cartesian"""
        return self.w.winfo_height() - y

    def toTk(self,y):
        """Convert Cartesian into tkinter point."""
        if y == maxValue: return 0
        tk_y = self.w.winfo_height()
        if y != minValue:
            tk_y -= y
        return tk_y
         
    def clear(self, event):
        """End of range search."""
        self.selectedRegion = None
        self.paint()
        
    def range(self, event):
        """Initiate a range search using a selected rectangular region."""
        
        p = (event.x, self.toCartesian(event.y))
         
        if self.selectedRegion is None:
            self.selectedStart = Region(p[X],p[Y],  p[X],p[Y])
        self.selectedRegion = self.selectedStart.unionPoint(p)
        
        self.paint()
        
        # return (node,status) where status is True if draining entire tree rooted at node. Draw these
        # all in Yellow using another inorder traversal
        for pair in self.tree.range(self.selectedRegion):
            
            if pair[1]:
                self.canvas.create_rectangle(pair[0].region.x_min, self.toTk(pair[0].region.y_min), 
                                             pair[0].region.x_max, self.toTk(pair[0].region.y_max),
                                             fill='Red', stipple='gray12')
            else:
                p = pair[0][0]   # ignore data and grab point
                self.canvas.create_rectangle(p[X] - RectangleSize, self.toTk(p[Y]) - RectangleSize, 
                                             p[X] + RectangleSize, self.toTk(p[Y]) + RectangleSize, fill='Red')
        
        
        self.queryRect = self.canvas.create_rectangle(self.selectedRegion.x_min, self.toTk(self.selectedRegion.y_min),  
                                                     self.selectedRegion.x_max, self.toTk(self.selectedRegion.y_max), 
                                                     outline='Red', dash=(2, 4))
        
    def click(self, event):
        """Add point to QuadTree."""
        p = (event.x, self.toCartesian(event.y))
        self.tree.add(p)             
        self.paint()

    def visit (self, node):
        """ Visit node to paint properly."""
        if node == None: return

        if node.points is None: 
            r = node.region
            self.canvas.create_rectangle(r.x_min, self.toTk(r.y_min), r.x_max, self.toTk(r.y_max))
            
            self.canvas.create_line(r.x_min, self.toTk(node.origin[Y]), r.x_max, self.toTk(node.origin[Y]),
                                    fill='black', dash=(2, 4)) 
            self.canvas.create_line(node.origin[X], self.toTk(r.y_min), node.origin[X], self.toTk(r.y_max),
                                    fill='black', dash=(2, 4))
            for n in node.children:
                self.visit(n)
        else:
            for p in node.points:
                self.canvas.create_rectangle(p[X] - RectangleSize, self.toTk(p[Y]) - RectangleSize, 
#.........這裏部分代碼省略.........
開發者ID:PeterZhouSZ,項目名稱:python-data-structures,代碼行數:103,代碼來源:app_quad.py


注:本文中的region.Region.unionPoint方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。