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FIX: colorbar with boundary norm, proportional, extend

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+30

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+30

-2

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Lines changed: 3 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -1198,8 +1198,9 @@ def _proportional_y(self):`
`1198`	`1198`	`a proportional colorbar, plus extension lengths if required:`
`1199`	`1199`	`"""`
`1200`	`1200`	`ifisinstance(self.norm,colors.BoundaryNorm):`
`1201`		`-y= (self._boundaries-self._boundaries[0])`
`1202`		`-y=y/ (self._boundaries[-1]-self._boundaries[0])`
	`1201`	`+y= (self._boundaries-self._boundaries[self._inside][0])`
	`1202`	`+y=y/ (self._boundaries[self._inside][-1]-`
	`1203`	`+self._boundaries[self._inside][0])`
`1203`	`1204`	`# need yscaled the same as the axes scale to get`
`1204`	`1205`	`# the extend lengths.`
`1205`	`1206`	`ifself.spacing=='uniform':`

11.1 KB

Lines changed: 27 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -827,3 +827,30 @@ def test_aspects():`
`827`	`827`	`np.testing.assert_almost_equal(`
`828`	`828`	`cb[1][0].ax.get_position(original=False).height*2,`
`829`	`829`	`cb[1][2].ax.get_position(original=False).height,decimal=2)`
	`830`	`+`
	`831`	`+`
	`832`	`+@image_comparison(['proportional_colorbars.png'],remove_text=True,`
	`833`	`+style='mpl20')`
	`834`	`+deftest_proportional_colorbars():`
	`835`	`+`
	`836`	`+x=y=np.arange(-3.0,3.01,0.025)`
	`837`	`+X,Y=np.meshgrid(x,y)`
	`838`	`+Z1=np.exp(-X2-Y2)`
	`839`	`+Z2=np.exp(-(X-1)2- (Y-1)2)`
	`840`	`+Z= (Z1-Z2)*2`
	`841`	`+`
	`842`	`+levels= [-1.25,-0.5,-0.125,0.125,0.5,1.25]`
	`843`	`+cmap=mcolors.ListedColormap(`
	`844`	`+ ['0.3','0.5','white','lightblue','steelblue'])`
	`845`	`+cmap.set_under('darkred')`
	`846`	`+cmap.set_over('crimson')`
	`847`	`+norm=mcolors.BoundaryNorm(levels,cmap.N)`
	`848`	`+`
	`849`	`+extends= ['neither','both']`
	`850`	`+spacings= ['uniform','proportional']`
	`851`	`+fig,axs=plt.subplots(2,2)`
	`852`	`+foriinrange(2):`
	`853`	`+forjinrange(2):`
	`854`	`+CS3=axs[i,j].contourf(X,Y,Z,levels,cmap=cmap,norm=norm,`
	`855`	`+extend=extends[i])`
	`856`	`+fig.colorbar(CS3,spacing=spacings[j],ax=axs[i,j])`

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