heatmapcalc 0.1.6

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heatmapcalc

heatmapcalc is a minimalistic python package that provides a fast function to add circles to a numpy array, based on a list of bounding boxes.

It is written in Rust for performance.

Installation

Install with pip:

pip install heatmapcalc

With Rust installed, you can build the package from source:

pip install .

Usage

Here is a simple example:

from heatmapcalc import heatmapcalc

# Example boxes: list of tuples (x1, y1, x2, y2)
boxes = [
    (10, 300, 100, 600),
    (150, 300, 300, 600),
    (250, 215, 450, 425),
    (430, 215, 550, 425),
]

# Shape of the heatmap
shape = (600, 800)

# Calculate the heatmap, an np.ndarray of shape (600, 800) and type i64
heatmap = heatmapcalc(boxes, shape)

This can now be used to visualize it and overlay it on an image. This is shown in the example script.

Development

• Deploy: To deploy on PyPi, trigger the CI workflow on GitHub with the latest commit tag. The workflow builds and uploads the wheels for Linux and MacOS.
• Test: Test with pytest.