I followed the question and answers to question on inserting images into Colab text cells. Similar to that poster, I wish to place images into text cells rather than bring them up using Python code cells.
The source of the images is intended to be files in a subfolder of the project containing the Jupyter notebook whose discussion I want to enrich with photos and drawings. It is important to keep the notebook and supporting files, including images and data, in a single encompassing folder. (I expect to work on dozens of such projects, each with its own assembly of files in separate project folders.)
In order to achieve this I mounted the Google drive containing the image files by running
from google.colab import drive
drive.mount('/content/drive')
I clicked on the file folder in the left sidebar and expanded directories until I could select the image file I want to use and obtain its path. Then I tried using either of the following in a text cell:
<img src="/content/drive/MyDrive/Colab Notebooks/Lab13 Mechanisms/Figures/PantographCloseUp.JPG" alt="Close up of a pantograph made with LEGO Technics and LEGO Mindstorms components">
Neither of these work: no image appears. Right clicking on the empty box containing a question mark and choosing inspect element and then the tab "sources", I clicked on the image resource and got "Failed to load resource: the server responded with a states of 403 ()." I understand this is some sort of authorization fault (???).
(The image is set to be shared with anyone with the link.)
What is going on? Why don't the image-in-text-cell methods work using the file paths on the mounted drive? (Ideally, too, I would like to use a relative path: Figures/PantographCloseUp.JPG)
Please note that the following does produce an image in a text cell but is not a terribly convenient way of keeping track of image sources:
<img src='https://drive.google.com/uc?id=1dYjA01xQqah0l2cSQYcd6U0UFrfH3LPK'/>
Also, I can run code to display the image using the desired file path but this is also not convenient because a user (a student) of the document would have to run all of these cells just to look at the pictures.
from IPython.display import Image
Image("/content/drive/MyDrive/Colab Notebooks/Lab13 Mechanisms/Figures/PantographCloseUp.JPG")