# How can I fade Contour Lines on to the Binscatter plot?

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Commented: darova on 7 Jun 2021 I want to fade the Contour Lines only over the places where Binscatter plot(yellow-red boxes) occurs.
Is there a way to fade the contour lines just over the Patches?
Here's the Code:
h = binscatter(nplot,tqplot)
c = colorbar('Ticks',[0 1400 2800],'TickLabels',{min_p,max_p/2 ,max_p})
c.Label.String = 'Percentage Time Consumption (%)';
colormap(flipud(hot))
contour(Ice.nFuCns_A,Ice.tqFuCns_A,Ice.bsfc',[180:5:200 210],'b','ShowText','on')
##### 2 CommentsShowHide 1 older comment
Yes Darova

darova on 5 Jun 2021
You can extract edge of the region (yellow squares) using boundary
[y,x] = im2bw(A);
k = boundary(x,y);
Then use inpolygon to find data inside the region
ind = inpolygon(xq,yq,xv,yv);
##### 2 CommentsShowHide 1 older comment
darova on 7 Jun 2021
t = [linspace(0,2*pi,20) nan]; % add NaN value to break face (patch)
[x1,y1] = pol2cart(t,1);
[x2,y2] = pol2cart(t,2);
x1 = x1 + 1.5;
ix = inpolygon(x1,y1,x2,y2); % find vertices inside the circle
plot(x1(ix),y1(ix),'.r')
patch(x1,y1,ix+1,'edgecolor','flat')% use patch to color line
line(x2,y2) R2020b

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