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jdh2358jdh2358
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updated transform architecture to allow physical sizes for artists
svn path=/trunk/matplotlib/; revision=63
1 parent d3a1c60 commit 9a66d1e

4 files changed

Lines changed: 151 additions & 2 deletions

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‎examples/simple_plot.py‎

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xlabel('time (s)')
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ylabel('voltage (mV)')
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title('About as simple as it gets, folks')
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grid(True)
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#grid(True)
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#set(gca(), 'xticks', (0,.2,.7))
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savefig('simple_plot')
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show()

‎setup.py‎

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data.extend(glob.glob('images/*.xpm'))
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setup(name="matplotlib",
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version= '0.40c',
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version= '0.40d',
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description = "Matlab style python plotting package",
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author = "John D. Hunter",
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author_email="[email protected]",

‎unit/simple_plot.py‎

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import matplotlib
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matplotlib.use('Template')
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from matplotlib.matlab import *
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t = arange(0.0, 2.0, 0.01)
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s = sin(2*pi*t)
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plot(t, s)
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xlabel('time (s)')
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ylabel('voltage (mV)')
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title('About as simple as it gets, folks')
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savefig('simple_plot')
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show()

‎unit/transforms_unit.py‎

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from __future__ import division
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import sys
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from Numeric import arange, asarray
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from matplotlib.transforms import Bound1D, Bound2D, Transform
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from matplotlib.transforms import identity, log10, pow10
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from matplotlib.transforms import bound2d_all
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from matplotlib.transforms import transform_bound1d
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from matplotlib.transforms import TransformSize, Points, Dots, \
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Centimeter, Inches, RefVal
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from matplotlib.artist import DPI
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def closeto(x,y):
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try: assert(abs(asarray(x)-asarray(y))<1e-10)
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except AssertionError:
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raise AssertionError('Failed: %s and %s not close' %(x,y))
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# testing bounding boxes
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bbox = Bound2D( 1,1,5,5)
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bbox.x.update([1,2,3,4,5,6])
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bbox.y.update([-1,2,3,4,5,6,12])
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left, bottom, width, height = bbox.get_bounds()
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top = bottom + height
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right = left + width
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assert(left==1)
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assert(right==6)
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assert(width==5)
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assert(bottom==-1)
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assert(top==12)
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assert(height==13)
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b = Bound1D(-1, 1)
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closeto(b.scale(1.9).bounds(), (-1.9, 1.9) )
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b = Bound1D(-1, 1)
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closeto(b.scale(0.9).bounds(), (-0.9, 0.9) )
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print 'passed bounding box tests ...'
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# test positive bounding box
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x = arange(-1.0001, 1.0, 0.01)
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bpos = Bound1D(.1, 1, isPos=True)
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bpos.update(x)
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assert(bpos.min()>0)
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bpos.is_positive(False)
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bpos.update(x)
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assert(bpos.min()==-1.0001)
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print 'passed positive bounding box tests ...'
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# testing transforms
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i1 = Bound1D(0,1)
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i2 = Bound1D(-6,6)
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identityTrans = Transform()
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linearTrans = Transform(i1,i2)
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logTrans = Transform(Bound1D(0.1,1), i2, funcs=(log10, pow10))
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scalar = 1
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tup = 1,2,3
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a = arange(0.0, 2.0, 0.1)
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assert( identityTrans.positions( scalar ) == scalar )
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assert( identityTrans.positions( tup )== tup )
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assert( identityTrans.positions( a ) == a )
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assert( identityTrans.scale( scalar ) == scalar )
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assert( identityTrans.scale( tup ) == tup )
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assert( identityTrans.scale( a ) == a )
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assert( linearTrans.positions(1) == 6 )
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assert( linearTrans.scale(1) == 12 )
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print 'passed transform tests ... '
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bound = Bound1D(0.25, 0.75)
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trans = Transform( Bound1D(0,1), Bound1D(-6,6))
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bout = transform_bound1d(bound, trans)
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assert( bout.bounds() == (-3.0, 3.0) )
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print 'passed bbox transform tests ... '
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# testing bound2d_all
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b1 = Bound2D(1, 1, 1, 1)
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b2 = Bound2D(1.1, 1.1, 1, 1)
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b3 = Bound2D(1.2, 1.2, 1, 1)
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b4 = Bound2D(1.3, 1.3, 4, 1)
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bbox = bound2d_all((b1,b2,b3,b4))
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closeto( bbox.x.min(), 1)
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closeto( bbox.x.max(), 5.3)
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closeto( bbox.y.min(), 1)
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closeto( bbox.y.max(), 2.3)
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print 'passed bound2d_all tests ... '
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# testing inverses
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bpos = Bound1D(.1, 1, isPos=True)
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trans = Transform( bpos, Bound1D(-6,6), funcs=(log10, pow10))
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x = 0.2
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closeto( trans.inverse_positions(trans.positions(x)), x )
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closeto( trans.inverse_scale(trans.scale(x)), x )
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trans.set_funcs( (identity, identity) )
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closeto( trans.inverse_positions(trans.positions(x)), x )
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closeto( trans.inverse_scale(trans.scale(x)), x )
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print 'passed inverse transform tests ... '
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dpi = DPI(100)
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dots = Dots(dpi)
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pts = Points(dpi)
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trans = TransformSize(pts, dots, RefVal(10))
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closeto(trans.positions(0), 10)
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closeto(trans.positions(72), 110)
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dpi.set(200)
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closeto(trans.positions(0), 10)
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closeto(trans.positions(72), 210)
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closeto(trans.positions(36), 110)
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cm = Centimeter(dpi)
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inch = Inches(dpi)
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trans = TransformSize(cm, inch, RefVal(0))
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closeto(trans.positions(2), 2/2.54)
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closeto(trans.inverse_positions(trans.positions(2)), 2)
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#closeto(trans.positions(36), 110)
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dpi.set(100)
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pts = Points(dpi)
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dots = Dots(dpi)
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trans = TransformSize(pts, dots, RefVal(62.5))
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closeto( trans.positions(12), 12/72*100 + 62.5)
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trans = TransformSize(pts, dots, RefVal(10))
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#print trans.positions(-12)
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print 'passed size transform tests ... '
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