Menu
▾
▴
SF.net SVN: matplotlib: [5144] trunk/matplotlib/examples
|
From: <jd...@us...> - 2008-05-16 12:50:22
|
Revision: 5144
http://matplotlib.svn.sourceforge.net/matplotlib/?rev=5144&view=rev
Author: jdh2358
Date: 2008-05-16 05:50:00 -0700 (Fri, 16 May 2008)
Log Message:
-----------
moved deprecated examples to storage
Added Paths:
-----------
trunk/matplotlib/examples/cold_storage/
trunk/matplotlib/examples/cold_storage/README
trunk/matplotlib/examples/cold_storage/agg_resize.py
trunk/matplotlib/examples/cold_storage/agg_test.py
trunk/matplotlib/examples/cold_storage/clippath_test.py
trunk/matplotlib/examples/cold_storage/glyph_to_path.py
Removed Paths:
-------------
trunk/matplotlib/examples/agg_resize.py
trunk/matplotlib/examples/agg_test.py
trunk/matplotlib/examples/clippath_test.py
trunk/matplotlib/examples/glyph_to_path.py
Deleted: trunk/matplotlib/examples/agg_resize.py
===================================================================
--- trunk/matplotlib/examples/agg_resize.py 2008-05-15 19:25:14 UTC (rev 5143)
+++ trunk/matplotlib/examples/agg_resize.py 2008-05-16 12:50:00 UTC (rev 5144)
@@ -1,7 +0,0 @@
-# test the resizing methods in the agg wrapper
-
-import matplotlib.agg as agg
-
-
-imMatrix = agg.trans_affine(1,0,0,1,0,0)
-interp = agg.span_interpolator_linear(imMatrix);
Deleted: trunk/matplotlib/examples/agg_test.py
===================================================================
--- trunk/matplotlib/examples/agg_test.py 2008-05-15 19:25:14 UTC (rev 5143)
+++ trunk/matplotlib/examples/agg_test.py 2008-05-16 12:50:00 UTC (rev 5144)
@@ -1,154 +0,0 @@
-# this example uses the agg python module directly there is no
-# documentation -- you have to know how to use the agg c++ API to use
-# it
-import matplotlib.agg as agg
-from math import pi
-
-## Define some colors
-red = agg.rgba8(255,0,0,255)
-blue = agg.rgba8(0,0,255,255)
-green = agg.rgba8(0,255,0,255)
-black = agg.rgba8(0,0,0,255)
-white = agg.rgba8(255,255,255,255)
-yellow = agg.rgba8(192,192,255,255)
-
-## Create the rendering buffer, rasterizer, etc
-width, height = 600,400
-stride = width*4
-buffer = agg.buffer(width, height, stride)
-
-rbuf = agg.rendering_buffer()
-rbuf.attachb(buffer)
-
-pf = agg.pixel_format_rgba(rbuf)
-rbase = agg.renderer_base_rgba(pf)
-rbase.clear_rgba8(blue)
-
-renderer = agg.renderer_scanline_aa_solid_rgba(rbase);
-renderer.color_rgba8( red )
-rasterizer = agg.rasterizer_scanline_aa()
-scanline = agg.scanline_p8()
-
-## A polygon path
-path = agg.path_storage()
-path.move_to(10,10)
-path.line_to(100,100)
-path.line_to(200,200)
-path.line_to(100,200)
-path.close_polygon()
-
-# stroke it
-stroke = agg.conv_stroke_path(path)
-stroke.width(3.0)
-rasterizer.add_path(stroke)
-agg.render_scanlines_rgba(rasterizer, scanline, renderer);
-
-## A curved path
-path = agg.path_storage()
-path.move_to(200,10)
-path.line_to(350,50)
-path.curve3(150,200)
-path.curve3(100,70)
-path.close_polygon()
-curve = agg.conv_curve_path(path)
-
-# fill it
-rasterizer.add_path(curve)
-renderer.color_rgba8( green )
-agg.render_scanlines_rgba(rasterizer, scanline, renderer);
-
-# and stroke it
-stroke = agg.conv_stroke_curve(curve)
-stroke.width(5.0)
-rasterizer.add_path(stroke)
-renderer.color_rgba8( yellow )
-agg.render_scanlines_rgba(rasterizer, scanline, renderer);
-
-## Transforming a path
-path = agg.path_storage()
-path.move_to(0,0)
-path.line_to(1,0)
-path.line_to(1,1)
-path.line_to(0,1)
-path.close_polygon()
-
-rotation = agg.trans_affine_rotation(pi/4)
-scaling = agg.trans_affine_scaling(30,30)
-translation = agg.trans_affine_translation(300,300)
-trans = rotation*scaling*translation
-
-transpath = agg.conv_transform_path(path, trans)
-stroke = agg.conv_stroke_transpath(transpath)
-stroke.width(2.0)
-rasterizer.add_path(stroke)
-renderer.color_rgba8( black )
-agg.render_scanlines_rgba(rasterizer, scanline, renderer);
-
-## Converting a transformed path to a curve
-path = agg.path_storage()
-path.move_to(0,0)
-path.curve3(1,0)
-path.curve3(1,1)
-path.curve3(0,1)
-path.close_polygon()
-
-rotation = agg.trans_affine_rotation(pi/4)
-scaling = agg.trans_affine_scaling(30,30)
-translation = agg.trans_affine_translation(300,250)
-trans = rotation*scaling*translation
-trans.flip_y()
-
-transpath = agg.conv_transform_path(path, trans)
-curvetrans = agg.conv_curve_trans(transpath)
-stroke = agg.conv_stroke_curvetrans(curvetrans)
-stroke.width(2.0)
-rasterizer.add_path(stroke)
-renderer.color_rgba8( white )
-agg.render_scanlines_rgba(rasterizer, scanline, renderer);
-
-if 0:
- ## Copy a rectangle from the buffer the rectangle defined by
- ## x0,y0->x1,y1 and paste it at xdest, ydest
- x0, y0 = 10, 50
- x1, y1 = 110, 190
- xdest, ydest = 350, 200
-
-
-
- widthr, heightr = x1-x0, y1-y0
- strider = widthr*4
- copybuffer = agg.buffer(widthr, heightr, strider)
-
-
- rbufcopy = agg.rendering_buffer()
- rbufcopy.attachb(copybuffer)
- pfcopy = agg.pixel_format_rgba(rbufcopy)
- rbasecopy = agg.renderer_base_rgba(pfcopy)
-
- rect = agg.rect(x0, y0, x1, y1)
- print rect.is_valid()
- rectp = agg.rectPtr(rect)
- #print dir(rbasecopy)
-
- # agg is funny about the arguments to copy from; the last 2 args are
- # dx, dy. If the src and dest buffers are the same size and you omit
- # the dx and dy args, the position of the copy in the dest buffer is
- # the same as in the src. Since our dest buffer is smaller than our
- # src buffer, we have to offset the location by -x0, -y0
- rbasecopy.copy_from(rbuf, rect, -x0, -y0);
-
- # paste the rectangle at a new location xdest, ydest
- rbase.copy_from(rbufcopy, None, xdest, ydest);
-
-
-
-## Display it with PIL
-s = buffer.to_string()
-print len(s)
-import Image
-im = Image.fromstring( "RGBA", (width, height), s)
-im.show()
-
-
-
-
Deleted: trunk/matplotlib/examples/clippath_test.py
===================================================================
--- trunk/matplotlib/examples/clippath_test.py 2008-05-15 19:25:14 UTC (rev 5143)
+++ trunk/matplotlib/examples/clippath_test.py 2008-05-16 12:50:00 UTC (rev 5144)
@@ -1,56 +0,0 @@
-from matplotlib.pyplot import figure, show
-import matplotlib.transforms as transforms
-from matplotlib.patches import RegularPolygon
-import matplotlib.agg as agg
-from numpy import arange, sin, pi
-from numpy.random import rand
-
-class ClipWindow:
- def __init__(self, ax, line):
- self.ax = ax
- ax.set_title('drag polygon around to test clipping')
- self.canvas = ax.figure.canvas
- self.line = line
- self.poly = RegularPolygon(
- (200, 200), numVertices=10, radius=100,
- facecolor='yellow', alpha=0.25,
- transform=transforms.IdentityTransform())
-
- ax.add_patch(self.poly)
- self.canvas.mpl_connect('button_press_event', self.onpress)
- self.canvas.mpl_connect('button_release_event', self.onrelease)
- self.canvas.mpl_connect('motion_notify_event', self.onmove)
- self.x, self.y = None, None
-
- def onpress(self, event):
- self.x, self.y = event.x, event.y
-
- def onrelease(self, event):
- self.x, self.y = None, None
-
- def onmove(self, event):
-
- if self.x is None: return
- dx = event.x - self.x
- dy = event.y - self.y
- self.x, self.y = event.x, event.y
- x, y = self.poly.xy
- x += dx
- y += dy
- #print self.y, event.y, dy, y
- self.poly.xy = x,y
- self._clip()
-
- def _clip(self):
- self.line.set_clip_path(self.poly.get_path(), self.poly.get_transform())
- self.canvas.draw_idle()
-
-
-fig = figure(figsize=(8,8))
-ax = fig.add_subplot(111)
-t = arange(0.0, 4.0, 0.01)
-s = 2*sin(2*pi*8*t)
-
-line, = ax.plot(t, 2*(rand(len(t))-0.5), 'b-')
-clipwin = ClipWindow(ax, line)
-show()
Added: trunk/matplotlib/examples/cold_storage/README
===================================================================
--- trunk/matplotlib/examples/cold_storage/README (rev 0)
+++ trunk/matplotlib/examples/cold_storage/README 2008-05-16 12:50:00 UTC (rev 5144)
@@ -0,0 +1,4 @@
+These are old examples that are now derecated and most likely
+non-functional but we are keeping them around in case we want to
+resurrect them on day. You can safely ignore them.
+
Copied: trunk/matplotlib/examples/cold_storage/agg_resize.py (from rev 5143, trunk/matplotlib/examples/agg_resize.py)
===================================================================
--- trunk/matplotlib/examples/cold_storage/agg_resize.py (rev 0)
+++ trunk/matplotlib/examples/cold_storage/agg_resize.py 2008-05-16 12:50:00 UTC (rev 5144)
@@ -0,0 +1,7 @@
+# test the resizing methods in the agg wrapper
+
+import matplotlib.agg as agg
+
+
+imMatrix = agg.trans_affine(1,0,0,1,0,0)
+interp = agg.span_interpolator_linear(imMatrix);
Copied: trunk/matplotlib/examples/cold_storage/agg_test.py (from rev 5143, trunk/matplotlib/examples/agg_test.py)
===================================================================
--- trunk/matplotlib/examples/cold_storage/agg_test.py (rev 0)
+++ trunk/matplotlib/examples/cold_storage/agg_test.py 2008-05-16 12:50:00 UTC (rev 5144)
@@ -0,0 +1,154 @@
+# this example uses the agg python module directly there is no
+# documentation -- you have to know how to use the agg c++ API to use
+# it
+import matplotlib.agg as agg
+from math import pi
+
+## Define some colors
+red = agg.rgba8(255,0,0,255)
+blue = agg.rgba8(0,0,255,255)
+green = agg.rgba8(0,255,0,255)
+black = agg.rgba8(0,0,0,255)
+white = agg.rgba8(255,255,255,255)
+yellow = agg.rgba8(192,192,255,255)
+
+## Create the rendering buffer, rasterizer, etc
+width, height = 600,400
+stride = width*4
+buffer = agg.buffer(width, height, stride)
+
+rbuf = agg.rendering_buffer()
+rbuf.attachb(buffer)
+
+pf = agg.pixel_format_rgba(rbuf)
+rbase = agg.renderer_base_rgba(pf)
+rbase.clear_rgba8(blue)
+
+renderer = agg.renderer_scanline_aa_solid_rgba(rbase);
+renderer.color_rgba8( red )
+rasterizer = agg.rasterizer_scanline_aa()
+scanline = agg.scanline_p8()
+
+## A polygon path
+path = agg.path_storage()
+path.move_to(10,10)
+path.line_to(100,100)
+path.line_to(200,200)
+path.line_to(100,200)
+path.close_polygon()
+
+# stroke it
+stroke = agg.conv_stroke_path(path)
+stroke.width(3.0)
+rasterizer.add_path(stroke)
+agg.render_scanlines_rgba(rasterizer, scanline, renderer);
+
+## A curved path
+path = agg.path_storage()
+path.move_to(200,10)
+path.line_to(350,50)
+path.curve3(150,200)
+path.curve3(100,70)
+path.close_polygon()
+curve = agg.conv_curve_path(path)
+
+# fill it
+rasterizer.add_path(curve)
+renderer.color_rgba8( green )
+agg.render_scanlines_rgba(rasterizer, scanline, renderer);
+
+# and stroke it
+stroke = agg.conv_stroke_curve(curve)
+stroke.width(5.0)
+rasterizer.add_path(stroke)
+renderer.color_rgba8( yellow )
+agg.render_scanlines_rgba(rasterizer, scanline, renderer);
+
+## Transforming a path
+path = agg.path_storage()
+path.move_to(0,0)
+path.line_to(1,0)
+path.line_to(1,1)
+path.line_to(0,1)
+path.close_polygon()
+
+rotation = agg.trans_affine_rotation(pi/4)
+scaling = agg.trans_affine_scaling(30,30)
+translation = agg.trans_affine_translation(300,300)
+trans = rotation*scaling*translation
+
+transpath = agg.conv_transform_path(path, trans)
+stroke = agg.conv_stroke_transpath(transpath)
+stroke.width(2.0)
+rasterizer.add_path(stroke)
+renderer.color_rgba8( black )
+agg.render_scanlines_rgba(rasterizer, scanline, renderer);
+
+## Converting a transformed path to a curve
+path = agg.path_storage()
+path.move_to(0,0)
+path.curve3(1,0)
+path.curve3(1,1)
+path.curve3(0,1)
+path.close_polygon()
+
+rotation = agg.trans_affine_rotation(pi/4)
+scaling = agg.trans_affine_scaling(30,30)
+translation = agg.trans_affine_translation(300,250)
+trans = rotation*scaling*translation
+trans.flip_y()
+
+transpath = agg.conv_transform_path(path, trans)
+curvetrans = agg.conv_curve_trans(transpath)
+stroke = agg.conv_stroke_curvetrans(curvetrans)
+stroke.width(2.0)
+rasterizer.add_path(stroke)
+renderer.color_rgba8( white )
+agg.render_scanlines_rgba(rasterizer, scanline, renderer);
+
+if 0:
+ ## Copy a rectangle from the buffer the rectangle defined by
+ ## x0,y0->x1,y1 and paste it at xdest, ydest
+ x0, y0 = 10, 50
+ x1, y1 = 110, 190
+ xdest, ydest = 350, 200
+
+
+
+ widthr, heightr = x1-x0, y1-y0
+ strider = widthr*4
+ copybuffer = agg.buffer(widthr, heightr, strider)
+
+
+ rbufcopy = agg.rendering_buffer()
+ rbufcopy.attachb(copybuffer)
+ pfcopy = agg.pixel_format_rgba(rbufcopy)
+ rbasecopy = agg.renderer_base_rgba(pfcopy)
+
+ rect = agg.rect(x0, y0, x1, y1)
+ print rect.is_valid()
+ rectp = agg.rectPtr(rect)
+ #print dir(rbasecopy)
+
+ # agg is funny about the arguments to copy from; the last 2 args are
+ # dx, dy. If the src and dest buffers are the same size and you omit
+ # the dx and dy args, the position of the copy in the dest buffer is
+ # the same as in the src. Since our dest buffer is smaller than our
+ # src buffer, we have to offset the location by -x0, -y0
+ rbasecopy.copy_from(rbuf, rect, -x0, -y0);
+
+ # paste the rectangle at a new location xdest, ydest
+ rbase.copy_from(rbufcopy, None, xdest, ydest);
+
+
+
+## Display it with PIL
+s = buffer.to_string()
+print len(s)
+import Image
+im = Image.fromstring( "RGBA", (width, height), s)
+im.show()
+
+
+
+
Copied: trunk/matplotlib/examples/cold_storage/clippath_test.py (from rev 5143, trunk/matplotlib/examples/clippath_test.py)
===================================================================
--- trunk/matplotlib/examples/cold_storage/clippath_test.py (rev 0)
+++ trunk/matplotlib/examples/cold_storage/clippath_test.py 2008-05-16 12:50:00 UTC (rev 5144)
@@ -0,0 +1,56 @@
+from matplotlib.pyplot import figure, show
+import matplotlib.transforms as transforms
+from matplotlib.patches import RegularPolygon
+import matplotlib.agg as agg
+from numpy import arange, sin, pi
+from numpy.random import rand
+
+class ClipWindow:
+ def __init__(self, ax, line):
+ self.ax = ax
+ ax.set_title('drag polygon around to test clipping')
+ self.canvas = ax.figure.canvas
+ self.line = line
+ self.poly = RegularPolygon(
+ (200, 200), numVertices=10, radius=100,
+ facecolor='yellow', alpha=0.25,
+ transform=transforms.IdentityTransform())
+
+ ax.add_patch(self.poly)
+ self.canvas.mpl_connect('button_press_event', self.onpress)
+ self.canvas.mpl_connect('button_release_event', self.onrelease)
+ self.canvas.mpl_connect('motion_notify_event', self.onmove)
+ self.x, self.y = None, None
+
+ def onpress(self, event):
+ self.x, self.y = event.x, event.y
+
+ def onrelease(self, event):
+ self.x, self.y = None, None
+
+ def onmove(self, event):
+
+ if self.x is None: return
+ dx = event.x - self.x
+ dy = event.y - self.y
+ self.x, self.y = event.x, event.y
+ x, y = self.poly.xy
+ x += dx
+ y += dy
+ #print self.y, event.y, dy, y
+ self.poly.xy = x,y
+ self._clip()
+
+ def _clip(self):
+ self.line.set_clip_path(self.poly.get_path(), self.poly.get_transform())
+ self.canvas.draw_idle()
+
+
+fig = figure(figsize=(8,8))
+ax = fig.add_subplot(111)
+t = arange(0.0, 4.0, 0.01)
+s = 2*sin(2*pi*8*t)
+
+line, = ax.plot(t, 2*(rand(len(t))-0.5), 'b-')
+clipwin = ClipWindow(ax, line)
+show()
Copied: trunk/matplotlib/examples/cold_storage/glyph_to_path.py (from rev 5143, trunk/matplotlib/examples/glyph_to_path.py)
===================================================================
--- trunk/matplotlib/examples/cold_storage/glyph_to_path.py (rev 0)
+++ trunk/matplotlib/examples/cold_storage/glyph_to_path.py 2008-05-16 12:50:00 UTC (rev 5144)
@@ -0,0 +1,84 @@
+import os
+import matplotlib
+from matplotlib.ft2font import FT2Font
+import matplotlib.agg as agg
+
+MOVETO, LINETO, CURVE3, CURVE4, ENDPOLY = range(5)
+
+def glyph_to_agg_path(glyph):
+ path = agg.path_storage()
+ for tup in glyph.path:
+ print tup
+ code = tup[0]
+ if code == MOVETO:
+ x,y = tup[1:]
+ path.move_to(x,y)
+ elif code == LINETO:
+ x,y = tup[1:]
+ path.line_to(x,y)
+ elif code == CURVE3:
+ xctl, yctl, xto, yto= tup[1:]
+ path.curve3(xctl, yctl, xto, yto)
+
+ elif code == CURVE4:
+ xctl1, yctl1, xctl2, yctl2, xto, yto= tup[1:]
+ path.curve4(xctl1, yct1, xctl2, yctl2, xto, yto)
+ elif code == ENDPOLY:
+ path.end_poly()
+
+ return path
+
+width, height = 300,300
+fname = os.path.join(matplotlib.get_data_path(), 'fonts/ttf/Vera.ttf')
+font = FT2Font(fname)
+glyph = font.load_char(ord('y'))
+path = glyph_to_agg_path(glyph)
+
+curve = agg.conv_curve_path(path)
+
+
+scaling = agg.trans_affine_scaling(20,20)
+translation = agg.trans_affine_translation(4,4)
+rotation = agg.trans_affine_rotation(3.1415926)
+mtrans = translation*scaling # cannot use this as a temporary
+tpath = agg.conv_transform_path(path, mtrans)
+
+curve = agg.conv_curve_trans(tpath)
+
+stride = width*4
+buffer = agg.buffer(width, height, stride)
+
+rbuf = agg.rendering_buffer()
+rbuf.attachb(buffer)
+
+red = agg.rgba8(255,0,0,255)
+blue = agg.rgba8(0,0,255,255)
+white = agg.rgba8(255,255,255,255)
+
+pf = agg.pixel_format_rgba(rbuf)
+rbase = agg.renderer_base_rgba(pf)
+rbase.clear_rgba8(white)
+
+renderer = agg.renderer_scanline_aa_solid_rgba(rbase);
+
+
+rasterizer = agg.rasterizer_scanline_aa()
+scanline = agg.scanline_p8()
+
+# first fill
+rasterizer.add_path(curve)
+renderer.color_rgba8(blue)
+agg.render_scanlines_rgba(rasterizer, scanline, renderer);
+
+# then stroke
+stroke = agg.conv_stroke_curvetrans(curve)
+stroke.width(2.0)
+renderer.color_rgba8( red )
+rasterizer.add_path(stroke)
+agg.render_scanlines_rgba(rasterizer, scanline, renderer);
+
+s = buffer.to_string()
+import Image
+im = Image.fromstring( "RGBA", (width, height), s)
+im.show()
+
Deleted: trunk/matplotlib/examples/glyph_to_path.py
===================================================================
--- trunk/matplotlib/examples/glyph_to_path.py 2008-05-15 19:25:14 UTC (rev 5143)
+++ trunk/matplotlib/examples/glyph_to_path.py 2008-05-16 12:50:00 UTC (rev 5144)
@@ -1,84 +0,0 @@
-import os
-import matplotlib
-from matplotlib.ft2font import FT2Font
-import matplotlib.agg as agg
-
-MOVETO, LINETO, CURVE3, CURVE4, ENDPOLY = range(5)
-
-def glyph_to_agg_path(glyph):
- path = agg.path_storage()
- for tup in glyph.path:
- print tup
- code = tup[0]
- if code == MOVETO:
- x,y = tup[1:]
- path.move_to(x,y)
- elif code == LINETO:
- x,y = tup[1:]
- path.line_to(x,y)
- elif code == CURVE3:
- xctl, yctl, xto, yto= tup[1:]
- path.curve3(xctl, yctl, xto, yto)
-
- elif code == CURVE4:
- xctl1, yctl1, xctl2, yctl2, xto, yto= tup[1:]
- path.curve4(xctl1, yct1, xctl2, yctl2, xto, yto)
- elif code == ENDPOLY:
- path.end_poly()
-
- return path
-
-width, height = 300,300
-fname = os.path.join(matplotlib.get_data_path(), 'fonts/ttf/Vera.ttf')
-font = FT2Font(fname)
-glyph = font.load_char(ord('y'))
-path = glyph_to_agg_path(glyph)
-
-curve = agg.conv_curve_path(path)
-
-
-scaling = agg.trans_affine_scaling(20,20)
-translation = agg.trans_affine_translation(4,4)
-rotation = agg.trans_affine_rotation(3.1415926)
-mtrans = translation*scaling # cannot use this as a temporary
-tpath = agg.conv_transform_path(path, mtrans)
-
-curve = agg.conv_curve_trans(tpath)
-
-stride = width*4
-buffer = agg.buffer(width, height, stride)
-
-rbuf = agg.rendering_buffer()
-rbuf.attachb(buffer)
-
-red = agg.rgba8(255,0,0,255)
-blue = agg.rgba8(0,0,255,255)
-white = agg.rgba8(255,255,255,255)
-
-pf = agg.pixel_format_rgba(rbuf)
-rbase = agg.renderer_base_rgba(pf)
-rbase.clear_rgba8(white)
-
-renderer = agg.renderer_scanline_aa_solid_rgba(rbase);
-
-
-rasterizer = agg.rasterizer_scanline_aa()
-scanline = agg.scanline_p8()
-
-# first fill
-rasterizer.add_path(curve)
-renderer.color_rgba8(blue)
-agg.render_scanlines_rgba(rasterizer, scanline, renderer);
-
-# then stroke
-stroke = agg.conv_stroke_curvetrans(curve)
-stroke.width(2.0)
-renderer.color_rgba8( red )
-rasterizer.add_path(stroke)
-agg.render_scanlines_rgba(rasterizer, scanline, renderer);
-
-s = buffer.to_string()
-import Image
-im = Image.fromstring( "RGBA", (width, height), s)
-im.show()
-
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
