Top "Contour" questions

A contour line for a function of two variables is a curve connecting points where the function has the same particular value.

R interpolated polar contour plot

I'm attempting to script a contour polar plot in R from interpolated point data. In other words, I have data …

r plot contour polar-coordinates
R plot filled.contour() output in ggpplot2

I want to plot this figure created with filled.contour(), but in ggplot2, how do I do this? I want …

r ggplot2 contour graphing
3D Contour plot from data using Mayavi / Python

I would like to do a 3D contour plot using Mayavi in exactly the same way as the third figure …

python numpy plot contour mayavi
Create Contour Plot from Pandas Groupby Dataframe

I have following Pandas Dataframe: In [66]: hdf.size() Out[66]: a b 0 0.0 21004 0.1 119903 0.2 186579 0.3 417349 0.4 202723 0.5 100906 0.6 56386 0.7 6080 0.8 3596 0.9 2391 1.0 1963 1.1 1730 1.2 1663 1.3 1614 1.4 1309 ... 186 0.2 15 0.3 9 0.4 21 0.5 4 187 0.2 3 0.3 10 0.4 22 0.5 10 188 0.0 11 0.1 19 0.2 20 0.3 13 0.4 7 0.5 5 0.6 1 Length: 4572, dtype: int64 You see, a from 0...188 and b …

python matplotlib pandas group-by contour
Matplotlib Contour Clabel Location

I would like to control the location of matplotlib clabels on a contour plot, but without utilizing the manual=True …

python matplotlib contour
Plotting contours on an irregular grid

I have gone through pages and pages of contour plots in R (including many hints on stackoverflow) without success. Here …

r ggplot2 contour
How can i convert images from scikit-image to opencv2 and other libraries?

I tried to find contour with cv2 python library in a skeletonized image created with scikit-image and i got this …

python opencv image-processing contour scikit-image
Extract single line contours from Canny edges

I'd like to extract the contours of an image, expressed as a sequence of point coordinates. With Canny I'm able …

opencv computer-vision contour edge-detection feature-extraction
OpenCV || contour similarity

As you can see in the image, I would like to compare these contours. I need my OpenCV program to …

opencv similarity contour
stat_contour not able to generate contour lines

I need to add lines via stat_contour() to my ggplot/ggplot2-plot. Unfortunately, I can not give you the …

r ggplot2 contour