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Use unique dimension values only in WMTS getCapabilities #48

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Merged
scranford1 merged 1 commit into from
Sep 18, 2026
Merged

Use unique dimension values only in WMTS getCapabilities #48

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12 changes: 6 additions & 6 deletions ogc/wmts/wmts_response_1_0_0.py
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Original file line number Diff line number Diff line change
@@ -1,4 +1,5 @@
import logging
import numpy as np
import traitlets as tl
from datetime import datetime
from xml.sax.saxutils import escape
Expand Down Expand Up @@ -215,20 +216,19 @@ def _coverage_layer(self, coverage: Coverage, depth: int = 2) -> str:
coordinates = coverage.layer.get_coordinates()
extra_dims = [dim for dim in coordinates.udims if dim not in ["lat", "lon"]]
for extra_dim in extra_dims:
if coordinates[extra_dim].coordinates.size > 0:
unique_coord_array = np.unique(coordinates[extra_dim].coordinates)
if unique_coord_array.size > 0:
units = "number"
if extra_dim == "alt":
units = coordinates.alt_units if coordinates.alt_units is not None else units
elif self._is_iso_datetime(str(coordinates[extra_dim].coordinates[-1])):
elif self._is_iso_datetime(str(unique_coord_array[-1])):
units = "ISO8601"

xml += self.indent * (depth + 1) + """<Dimension>\n"""
xml += self.indent * (depth + 2) + escape_format("""<ows:Identifier>{}</ows:Identifier>\n""", extra_dim)
xml += self.indent * (depth + 2) + escape_format("""<UOM>{}</UOM>\n""", units)
xml += self.indent * (depth + 2) + escape_format(
"""<Default>{}</Default>\n""", coordinates[extra_dim].coordinates[-1]
)
for value in coordinates[extra_dim].coordinates:
xml += self.indent * (depth + 2) + escape_format("""<Default>{}</Default>\n""", unique_coord_array[-1])
for value in unique_coord_array:
xml += self.indent * (depth + 2) + escape_format("""<Value>{}</Value>\n""", value)
xml += self.indent * (depth + 1) + """</Dimension>\n"""

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