svg_demo.ipynb

svg_demo.ipynb

Fixed scale issue and cleaned up code and moved vars to top so its more clear.

WORKFLOW: In whatever program you are creating the SVG, work in pixel units, export/save as SVG then load into FC.

# derived from https://stackoverflow.com/questions/69313876/how-to-get-points-of-the-svg-paths

from svg.path import parse_path
from xml.dom import minidom


density = 2 # set point density
scale = 1 # set SVG scale factor
offset = (0,0) # set SVG coordinate offset



def get_point_at(path, distance, scale, offset, height):
    pos = path.point(distance)
    pos += offset
    pos *= scale
    return pos.real, height - pos.imag  # invert the y-coordinate


def points_from_path(path, density, scale, offset, height):
    step = int(path.length() * density)
    last_step = step - 1

    if last_step == 0:
        yield get_point_at(path, 0, scale, offset, height)
        return

    for distance in range(step):
        yield get_point_at(path, distance / last_step, scale, offset, height)


def points_from_doc(doc, density, scale, offset):
    height = float(doc.getElementsByTagName("svg")[0].getAttribute("viewBox").split()[3])
    offset = offset[0] + offset[1] * 1j
    points = []
    for element in doc.getElementsByTagName("path"):
        for path in parse_path(element.getAttribute("d")):
            points.extend(points_from_path(path, density, scale, offset, height))

    return points


def svg_to_points(svg_str: str, z_height: float) -> list:
    doc = minidom.parseString(svg_str)
    points = points_from_doc(doc, density, scale, offset)
    doc.unlink()
    return [fc.Point(x=pt[0], y=pt[1], z=z_height) for pt in points]

READING SVG FILE

svgFile = "type_px.svg"

with open(svgFile, 'rb') as f:
    svg = f.read().decode('utf-8')

SVG FILE

OUTPUT