mpeltriaux
85a4563123
* adds two new migrations for transforming existing geometries into the default SRID
36 lines
975 B
Python
36 lines
975 B
Python
# Generated by Django 3.1.3 on 2022-07-13 06:01
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import django
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from django.db import migrations
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from konova.sub_settings.lanis_settings import DEFAULT_SRID_RLP
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def migrate_geometry_srs(apps, schema_editor):
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Geometry = apps.get_model("konova", "Geometry")
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all_geoms = Geometry.objects.all()
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# Transform all geoms and store in new geom field
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for geometry in all_geoms:
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geom = geometry.geom
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if geom is None:
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continue
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geom.transform(DEFAULT_SRID_RLP)
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geometry.geom_tmp = geom
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geometry.save()
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class Migration(migrations.Migration):
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dependencies = [
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('konova', '0011_auto_20220420_1101'),
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]
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operations = [
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migrations.AddField(
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model_name="geometry",
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name="geom_tmp",
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field=django.contrib.gis.db.models.fields.MultiPolygonField(blank=True, null=True, srid=DEFAULT_SRID_RLP)
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),
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migrations.RunPython(migrate_geometry_srs),
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]
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