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polar: Don't round all degree digits when zoomed.

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Lines changed: 8 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -173,16 +173,22 @@ class ThetaFormatter(Formatter):`
`173`	`173`	`unit of radians into degrees and adds a degree symbol.`
`174`	`174`	`"""`
`175`	`175`	`def__call__(self,x,pos=None):`
	`176`	`+vmin,vmax=self.axis.get_view_interval()`
	`177`	`+d=abs(vmax-vmin)/np.pi*180.0`
	`178`	`+digits=max(-int(np.log10(d)-1.5),0)`
	`179`	`+`
`176`	`180`	`# \u00b0 : degree symbol`
`177`	`181`	`ifrcParams['text.usetex']andnotrcParams['text.latex.unicode']:`
`178`		`-returnr"$%0.0f^\circ$"% ((x/np.pi)*180.0)`
	`182`	`+format_str=r"$%%0.%df^\circ$"% (digits, )`
	`183`	`+returnformat_str% ((x/np.pi)*180.0)`
`179`	`184`	`else:`
`180`	`185`	`# we use unicode, rather than mathtext with \circ, so`
`181`	`186`	`# that it will work correctly with any arbitrary font`
`182`	`187`	`# (assuming it has a degree sign), whereas $5\circ$`
`183`	`188`	`# will only work correctly with one of the supported`
`184`	`189`	`# math fonts (Computer Modern and STIX)`
`185`		`-return"%0.0f\u00b0"% ((x/np.pi)*180.0)`
	`190`	`+format_str="%%0.%df\u00b0"% (digits, )`
	`191`	`+returnformat_str% ((x/np.pi)*180.0)`
`186`	`192`
`187`	`193`
`188`	`194`	`classThetaLocator(MaxNLocator):`

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