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Building Footrprint Extraction from Aerial LiDAR data

Project description

This Python package is BUilding Footprint Extractor Test

This of example of an how you can run your code

import LasBuildSeg as lasb
import numpy as np

input_laz = '<input>.laz'
epsg_code = <epsg_code>
dsm_resolution = <resolution>
scale=<lazfilescale>
method=<interpoaltion method>

Lasb.generate_dsm(input_laz, epsg_code, dsm_resolution,intermethod)
Lasb.generate_dtm(input_laz, epsg_code, dsm_resolution,intermethod)
lasb.generate_ndhm('dtm.tif', 'dsm.tif')

img, profile = lasb.read_geotiff('ndhm.tif')
lasb.DSM_Transform('dsm.tif')

dem, _ = lasb.read_geotiff('dsm3857.tif')
img_8bit = lasb.to_8bit(img)
constant = 3.6
block_size = 51
img_thresh = lasb.threshold(img_8bit, block_size, constant)
kernel_size = 3
img_open = lasb.morphopen(img_thresh, kernel_size)

min_size = 35
max_size = 5000
squareness_threshold=0.3 
width_threshold=3 
height_threshold=3 
tri_threshold=3
building_mask = Lasb.filter_contoursntri(img_open, profile, min_size, max_size, squareness_threshold, width_threshold, height_threshold)
kernel_size = 3
CloseKernel_size=15
building_mask_closed = lasb.close(building_mask, CloseKernel_size)
# Invert the building mask to make buildings appear as white ground pixels
inverted_building_mask = np.ones_like(building_mask, dtype=np.uint8) - building_mask_closed
lasb.write_geotiff('buildings.tif', building_mask_closed, profile)
lasb.building_footprints_to_geojson('buildings.tif', 'building.geojson')
print('All of our steps are done.')

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LasBuildSeg-0.1.14.tar.gz (14.2 kB view hashes)

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