Im trying to represent an 2 dimensional array of a pyramid in the 3d space. In matlab i could just use the function mesh(). But in python im having a hard time doing it. Answer np.meshgrid() creates the grid coordinates. ax.plot_surface() plots a 3d height field.
Tag: matplotlib
Bar chart plotting issue: TypeError: ‘AxesSubplot’ object is not iterable
Below shown is the categorical data detail for the bar chart, which is from a specific DataFrame column i.e. coast Shown below syntax is the defined function used, to get the bar chart. However, the bar chart does appears without the values on the bar which is shown below. But the below error message appears How could I resolve the
Shading between two lines with Matplotlib
I want to use axvspan() function to visualize a DataFrame that I obtained using Pandas DataReader.But when I use the the following codes, I saw an error and there is no shading in subplots. What should I do? Thank you. Answer Try looping over all Subplots and adding axvspan to the specific AxesSubplot instead: Some slight code reduction using the
How to get the label values on a bar chat with seaborn on a categorical data
Shown below is the syntax used to get the bar char for a categorical data on seaborn How can I get the value count on the bar chart shown below. How to get the percentage value on the bar chart shown below. Answer Maybe this will work for you: Results:
Adjusting global legend (labels) of a plot with subplots (which currently overlaps with the plot) – matplotlib, python
I am trying to add a global legend to a plot, the code below does that but the legend then overlaps with the given plot (I’ll add the plot below). Is there a way to adjust the legends? The other StackOverflow answers are focused on a single plot and are not working with subplots (or maybe I am doing something
How to provide axis for seaborn clustermap
I want to provide the plot axes for a seaborn clustermap. The docs say that additional arguments are passed to the heatmap function. The docs of the heatmap function mention the keyword argument ax. Which is why I call the clustermap function with the keyword argmument ax=plt.gca(). However this will result in the following error: Thus I was wondering how
making a 3D quiver plot using matplotlib by reading in data
I am trying to make a 3D quiver plot using matplotlib 2.2.5. I provide a simple sample code below to show my attempt. I want to make a quiver plot using fx(x,y,z), fy(x,y,z) and fz(x,y,z). These correspond to the vector field f = (fx,fy,fz). I input the data for fx,fy,fz as 3 .dat files where each .dat file is 1
Color bar limits doesn’t follow the data limits
I am trying to make plot with two 2d histograms. And i need them both to have a colorbar. But, i was able to plot the colobar at the lateral of one of these histograms, but as can see in the image below, the limits of the color bar doesn’t reflect the limits of the histogram. The bin with higher
Why can’t I plot image histogram’s in python-OpenCV
I have to get a image, apply Histogram equalization and plot the histogram of both images (original and modified). So I tried this code: But The plot returned is..: How can I fix it? Answer You are not creating a new figure, so the histogram is plotted on the last figure that displays the image. You may create a new
How to have a poligon in the legend
I have a chart with 4 elements: blue square,blue triangle, red square and red triangle, I’m tryng to add these 4 items to the legend. when I add a polygon patch to the legend, it is displayed as a rectangle, even though the patch is of a triangle How can I get it to work? Answer You could use line