remove hello.py
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Artem Pavlenko
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1 changed files with 0 additions and 186 deletions
186
python/hello.py
186
python/hello.py
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@ -1,186 +0,0 @@
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#!/usr/bin/env /opt/python/bin/python
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import sys
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from qt import *
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from qtcanvas import *
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from dl import *
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sys.setdlopenflags(RTLD_NOW | RTLD_GLOBAL)
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from mapnik import *
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def load_styles() :
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print 'loading styles...'
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styles=style_cache.instance()
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styles.insert("mystyle",style(create_polygon_symbolizer(color(255,255,204))))
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styles.insert("water",style(create_polygon_symbolizer(color(102,153,255))))
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styles.insert("parks",style(create_polygon_symbolizer(color(200,230,120))))
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styles.insert("roads",style(create_line_symbolizer(color(204,204,153),2.3)))
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styles.insert("dots",style(create_point_symbolizer("/home/artem/smiley.png",12,12)))
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print 'done'
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def create_map(width,height) :
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m=map(width,height)
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bg=color(102,153,255)
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m.background(bg)
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p={"type":"raster",
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"format":"tiff",
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"name":"world dem",
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"file":"/home/artem/projects/data/raster/world_tiled1.tif",
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"lox":"-180","loy":"-90","hix":"180","hiy":"90"}
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lyr=create_layer(p)
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lyr.minzoom(0.2)
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lyr.maxzoom(1.0)
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m.add(lyr)
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p={"type":"raster",
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"format":"tiff",
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"name":"world dem",
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"file":"/home/artem/projects/data/raster/world_tiled2.tif",
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"lox":"-180","loy":"-90","hix":"180","hiy":"90"}
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print p
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lyr=create_layer(p)
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lyr.minzoom(0.005)
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lyr.maxzoom(0.2)
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m.add(lyr)
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p=parameters()
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p.add("type","shape")
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p.add("name","usa")
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p.add("file","/home/artem/projects/data/usa/dtl_cnty")
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lyr=layer(p)
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#lyr.maxzoom(0.005)
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lyr.style("mystyle")
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m.add(lyr)
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p=parameters()
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#p.add("type","shape")
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#p.add("file","/home/artem/projects/data/usa/mjwater")
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p.add("type","postgis")
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p.add("host","localhost")
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p.add("dbname","gis")
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p.add("post","5432")
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p.add("user","postgres")
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p.add("name","water")
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p.add("table","water")
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lyr=layer(p)
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lyr.maxzoom(0.005)
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lyr.style("water")
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m.add(lyr)
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p=parameters()
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p.add("type","shape")
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p.add("name","parks")
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p.add("file","/home/artem/projects/data/usa/parks")
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lyr=layer(p)
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lyr.maxzoom(0.02)
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lyr.style("parks")
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m.add(lyr)
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p=parameters()
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p.add("type","shape")
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p.add("name","tiger")
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p.add("file","/home/artem/projects/data/tiger/ca/tiger")
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lyr=layer(p)
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lyr.maxzoom(0.0005)
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lyr.style("roads")
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m.add(lyr)
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p=parameters()
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#p.add("type","shape")
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#p.add("name","maj roads")
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p.add("type","postgis")
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p.add("host","localhost")
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p.add("dbname","gis")
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p.add("post","5432")
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p.add("user","postgres")
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p.add("name","roads")
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p.add("table","roads")
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#p.add("file","/home/artem/projects/data/usa/mjrrds")
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lyr=layer(p)
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lyr.minzoom(0.0005)
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lyr.maxzoom(0.005)
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lyr.style("roads")
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m.add(lyr)
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p=parameters()
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#p.add("type","shape")
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p.add("name","cities")
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#p.add("file","/home/artem/projects/data/usa/cities")
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p.add("type","postgis")
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p.add("host","localhost")
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p.add("dbname","gis")
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p.add("post","5432")
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p.add("user","postgres")
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p.add("table","cities")
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lyr=layer(p)
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lyr.style("dots")
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m.add(lyr)
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box=envelope(-123.24,37.094,-121.349,38.512)
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m.zoom_to_box(box)
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return m
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class MapWidget(QWidget) :
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def __init__(self,*args):
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QWidget.__init__(self,*args)
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self.buffer = QPixmap(600,300)
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self.buffer.fill(QColor(200,200,200))
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#self.pixbuf.load("/home/artem/map.png")
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self.map=create_map(600,300)
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def paintEvent(self,ev):
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bitBlt(self,0,0,self.buffer)
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def keyPressEvent(self,ev) :
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if ev.key() == 45 :
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self.zoom_out()
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self.render_image()
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elif ev.key() == 61:
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self.zoom_in()
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self.render_image()
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else:
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QWidget.keyPressEvent(self,ev)
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def mousePressEvent(self,ev):
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if ev.button() == 1 :
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self.map.pan(ev.x(),ev.y())
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self.render_image()
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else :
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print "todo"
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def zoom_in (self) :
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self.map.zoom(0.5)
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def zoom_out(self):
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self.map.zoom(2.0)
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def render_image (self) :
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render_to_file(self.map,"/home/artem/map.png","png")
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self.buffer.load("/home/artem/map.png")
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self.repaint()
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class MainWindow(QMainWindow):
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def __init__(self,*args):
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QMainWindow.__init__(self,*args)
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self.setCaption("simple map viewer")
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self.painting = MapWidget(self)
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self.setCentralWidget(self.painting)
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def main(args):
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app=QApplication(args)
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load_styles()
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win=MapWidget()
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win.resize(600,300)
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win.show()
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win.setFocusPolicy(QWidget.StrongFocus)
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app.connect(app, SIGNAL("lastWindowClosed()"),
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app, SLOT("quit()"))
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app.exec_loop()
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if __name__=="__main__":
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main(sys.argv)
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