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edited Tutorial Baiscs
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jcucsf committed Sep 22, 2023
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"cell_type": "markdown",
"metadata": {},
"source": [
"When running this command and ``optimap`` was installed correctly, there should be no further output. ``optimap`` can then be accessed by typing {func}`om.` followed by a specific function as shown below (e.g. {func}`om.load_video()`). If the import produces an error then ``optimap`` was either not installed or installed incorrectly, see [Installation Guide](https://optimap.readthedocs.io/en/latest/chapters/getting_started/) for further details. \n",
"When running this command and ``optimap`` was installed correctly, there should be no further output. ``optimap`` can then be accessed by typing `om.` followed by a specific function as shown below (e.g. `om.load_video()`). If the import produces an error then ``optimap`` was either not installed or installed incorrectly, see [Installation Guide](https://optimap.readthedocs.io/en/latest/chapters/getting_started/) for further details. \n",
"\n",
"``optimap`` relies heavily on other open-source software packages and libraries, foremost [Numpy](https://numpy.org/) (short for numerical Python), which is a numerical programming library, [matplotlib](https://matplotlib.org/), which is a library for plotting data, and [OpenCV](https://opencv.org/), which is a popular library for computer vision. ``Numpy`` and ``matplotlib`` should be imported as well right after ``optimap`` as follows:"
]
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"cell_type": "markdown",
"metadata": {},
"source": [
"We now have access to all the functions in the `optimap` package. If you encounter any issues with the steps above please see the Installation Guide. You will use optimap, Numpy and matplotlib interchangeably."
"We now have access to all the functions in the `optimap` package. If you encounter any issues with the steps above please see the [Installation Guide](https://optimap.readthedocs.io/en/latest/chapters/getting_started/). You will use `optimap`, `Numpy` and `matplotlib` interchangeably."
]
},
{
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"* .npy (numpy array)\n",
"* .mat (MATLAB), loads the first field in the file\n",
"\n",
"We can use ``optimap``'s {func}`optimap.load_video` function to load a video file. Here, we will first download an example file from our website [cardiacvision.ucsf.edu](https://cardiacvision.ucsf.edu) and load it as a video into ``optimap``. The example file shows a beating Rabbit heart stained with the voltage-sensitive dye di-4-ANEPPS was acquired at 500 fps using a Basler acA720-520um camera. The action potentials are inverted, i.e. an upstroke is observed as a negative deflection. We have extracted a short section of the original recording and saved the raw data as a numpy file (`.npy`). Experimenters: Jan Lebert, Shrey Chowdhary & Jan Christoph (University of California, San Francisco, USA)."
"We can use ``optimap``'s {func}`optimap.load_video` function to load a video file. Here, we will first download an example file from our website [cardiacvision.ucsf.edu](https://cardiacvision.ucsf.edu) and load it as a video. The video will be a three-dimensional `Numpy`-array. The example file shows a beating rabbit heart stained with voltage-sensitive dye (Di-4-ANEPPS) which was imaged using a Basler acA720-520um camera at 500fps. Due to the staining, the action potential wave is inverted, i.e. an upstroke is observed as a negative deflection. In our case, we extracted a short section of the original recording and saved the raw data as a numpy file (`.npy`). Experimenters: Jan Lebert, Shrey Chowdhary & Jan Christoph (University of California, San Francisco, USA), 2023."
]
},
{
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