OpenDroneMap-WebODM/app/migrations/0032_task_epsg.py

73 wiersze
2.6 KiB
Python

# Generated by Django 2.1.15 on 2021-11-01 14:37
from django.db import migrations, models
import rasterio
import os
from app.pointcloud_utils import is_pointcloud_georeferenced
from webodm import settings
def update_epsg_fields(apps, schema_editor):
Task = apps.get_model('app', 'Task')
for t in Task.objects.all():
epsg = None
for asset in [os.path.join('odm_orthophoto', 'odm_orthophoto.tif'),
os.path.join('odm_dem', 'dsm.tif'),
os.path.join('odm_dem', 'dtm.tif')]:
asset_path = os.path.join(settings.MEDIA_ROOT, "project", str(t.project.id), "task", str(t.id), "assets", asset)
if os.path.isfile(asset_path):
try:
with rasterio.open(asset_path) as f:
if f.crs is not None:
epsg = f.crs.to_epsg()
break # We assume all assets are in the same CRS
except Exception as e:
print(e)
# If point cloud is not georeferenced, dataset is not georeferenced
# (2D assets might be using pseudo-georeferencing)
point_cloud = os.path.join(settings.MEDIA_ROOT, "project", str(t.project.id), "task", str(t.id), "assets", "odm_georeferencing", "odm_georeferenced_model.laz")
if epsg is not None and os.path.isfile(point_cloud):
if not is_pointcloud_georeferenced(point_cloud):
print("{} is not georeferenced".format(t))
epsg = None
print("Updating {} (with epsg: {})".format(t, epsg))
t.epsg = epsg
t.save()
def remove_all_zip(apps, schema_editor):
Task = apps.get_model('app', 'Task')
for t in Task.objects.all():
asset = 'all.zip'
asset_path = os.path.join(settings.MEDIA_ROOT, "project", str(t.project.id), "task", str(t.id), "assets", asset)
if os.path.isfile(asset_path):
try:
os.remove(asset_path)
print("Cleaned up {}".format(asset_path))
except Exception as e:
print(e)
class Migration(migrations.Migration):
dependencies = [
('app', '0031_auto_20210610_1850'),
]
operations = [
migrations.AddField(
model_name='task',
name='epsg',
field=models.IntegerField(blank=True, default=None, help_text='EPSG code of the dataset (if georeferenced)', null=True, verbose_name='EPSG'),
),
migrations.RunPython(update_epsg_fields),
migrations.RunPython(remove_all_zip),
]