Plot Circles from Text FIle
3 vues (au cours des 30 derniers jours)
Afficher commentaires plus anciens
I'm using Matlab R2010a. I have a text file that has data on (x,y,radius,fill color intensity, and fill color) of multiple circles in 5 columns respectively. I am required to create an image file with those data in Matlab. However, I have no idea how to do it. Any help would be very appreciated. Thank you in advance.
1 commentaire
John Petersen
le 31 Juil 2012
Are you asking how to load the file? plot the images? or both? Are x,y the center point of the circles? Fill color intensity and fill color are each just one column wide? How do they translate to color?
Réponses (2)
John Petersen
le 31 Juil 2012
Modifié(e) : John Petersen
le 31 Juil 2012
Once you have imported the data, if x,y are the center coordinates
t=[0:.01:2*pi];
plot(x+r*cos(t), y+r*sin(t),'color',[1 0 0])
will plot circles.
rectangle('Position',[x,y,r,r],'curvature',[1,1],'facecolor','r');
will plot filled circles.
axis 'square'
will change the aspect ratio
0 commentaires
Image Analyst
le 31 Juil 2012
Try using textscan(), cxvread(), or dlmread() to read in the values from the text file. Then use rectangle() (along with hold on) to plot the circles.
0 commentaires
Voir également
Catégories
En savoir plus sur Annotations dans Help Center et File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!