Is it possible to save contours to spreadsheet

[Matteo]

I am using a modified version of this scikit-image demo to create contours from the edges resulting from watershed segmentation of an image. I would like to save the resulting contours in a spreadsheet, not an image, to take into a GIS package (although I do save image for another application).

I am trying to use Pandas DataFrames as described in this StackOverflow question:
https://stackoverflow.com/questions/49930616/how-to-store-scikit-image-contours-in-a-pandas-dataframe-with-a-single-vertex-an

But I wonder if there's an easier way I overlooked.

Thanks,

Matteo

[Juan Nunez-Iglesias]

I would do something along these lines:

frames = []

for contour_id, contour in enumerate(contours):

    current_frame = pd.DataFrame(contour, columns={'row', 'column'})

    current_frame['contour'] = contour_id  # creates column with repeated value

    frames.append(current_frame)

full_data = pd.concat(frames)

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[Matteo Niccoli]

That works very well Juan, thanks so much for answering on SO as well

Matteo

Matteo Niccoli P. Geo., M.sc.

Geophysics and data science

On Fri, Apr 20, 2018 at 1:48 AM, Juan Nunez-Iglesias <jni....@gmail.com> wrote:

I would do something along these lines:

frames = []

for contour_id, contour in enumerate(contours):

    current_frame = pd.DataFrame(contour, columns={'row', 'column'})

    current_frame['contour'] = contour_id  # creates column with repeated value

    frames.append(current_frame)

full_data = pd.concat(frames)

On Fri, Apr 20, 2018, at 1:22 PM, Matteo wrote:

I am using a modified version of this scikit-image demo to create contours from the edges resulting from watershed segmentation of an image. I would like to save the resulting contours in a spreadsheet, not an image, to take into a GIS package (although I do save image for another application).

I am trying to use Pandas DataFrames as described in this StackOverflow question:
https://stackoverflow.com/questions/49930616/how-to-store-scikit-image-contours-in-a-pandas-dataframe-with-a-single-vertex-an

But I wonder if there's an easier way I overlooked.

Thanks,

Matteo

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