regionprops - displaying region properties

[Johannes Schoenberger]

Maybe, there is a way to elegantly integrate this into the RegionProperty class?

Could you share your current implementation, so we can decide for a good strategy?

> On Mar 2, 2015, at 6:02 PM, ciaran.robb at googlemail.com wrote:
> 
> Hi Johannes,
> 
> Yeah of course. Would it be best placed in module color?
> 
> Ciaran
> 
> On Monday, March 2, 2015 at 5:26:12 PM UTC, Johannes Schönberger wrote:
> That sounds great. Would you be willing to work on integrating this into skimage? 
> 
> Thanks. 
> 
> > On Feb 26, 2015, at 11:51 AM, ciara... at googlemail.com wrote: 
> > 
> > Hi 
> > Adding to my own post but hey.... 
> > 
> > I have since written my own code which allows visualising of region properties (eg area, eccentricity etc) via colormap, if anyone is interested let me know! 
> > 
> > Ciaran 
> > 
> > On Sunday, February 1, 2015 at 11:45:44 PM UTC, ciara... at googlemail.com wrote: 
> > Hello everyone, 
> > 
> > I have recently been attempting to modify some existing skimage code to display regionprops for a labeled image  (e.g. area or eccentricity) 
> > 
> > I initially tried to translate a vectorized bit of old matlab code I had, but gave up on that and decided to alter the existing label2rgb skimage function 
> > 
> > I am attempting to change each label value to it's area property value similar to the label2rgb "avg" function. 
> > 
> > so I have: 
> > labels = a labeled image 
> > 
> >     out = np.zeros_like(labels) #a blank array 
> >     labels2 = np.unique(labels) #a vector of label vals 
> >     out = np.zeros_like(labels) 
> >     Props = regionprops(labels, ['Area']) 
> >     bg_label=0 
> >     bg = (labels2 == bg_label) 
> >     if bg.any(): 
> >         labels2 = labels2[labels2 != bg_label] 
> >         out[bg] = 0 
> >         for label in labels2: 
> >             mask = (labels == label).nonzero()     
> >             color = Props[label].area 
> >             out[mask] = color 
> > but the "out" props image does not correspond to the correct area values? 
> > Can anyone help me with this? 
> >  It also throws the following error: 
> > "list index out of range" 
> > It would certainly be useful to have a way to view the spatial distribution of label properties in this way - perhaps in a future skimage version? 
> > 
> > 
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