diff --git a/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/buildQuery.test.ts b/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/buildQuery.test.ts
new file mode 100644
index 00000000000..3bca793ef41
--- /dev/null
+++ b/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/buildQuery.test.ts
@@ -0,0 +1,456 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+import buildQuery, { DeckPolygonFormData } from './buildQuery';
+
+describe('Polygon buildQuery', () => {
+  const baseFormData: DeckPolygonFormData = {
+    datasource: '1__table',
+    viz_type: 'deck_polygon',
+    line_column: 'polygon_geom',
+  };
+
+  test('should require line_column', () => {
+    const formDataWithoutLineColumn = {
+      ...baseFormData,
+      line_column: undefined,
+    };
+
+    expect(() => buildQuery(formDataWithoutLineColumn)).toThrow(
+      'Polygon column is required for Polygon charts',
+    );
+  });
+
+  test('should build basic query with minimal data', () => {
+    const queryContext = buildQuery(baseFormData);
+    const [query] = queryContext.queries;
+
+    expect(query.columns).toEqual(['polygon_geom']);
+    expect(query.metrics).toEqual([]);
+    expect(query.is_timeseries).toBe(false);
+    expect(query.filters).toEqual([
+      {
+        col: 'polygon_geom',
+        op: 'IS NOT NULL',
+      },
+    ]);
+  });
+
+  test('should include metric in query when provided', () => {
+    const formDataWithMetric = {
+      ...baseFormData,
+      metric: 'population',
+    };
+
+    const queryContext = buildQuery(formDataWithMetric);
+    const [query] = queryContext.queries;
+
+    expect(query.metrics).toEqual(['population']);
+    expect(query.filters).toContainEqual({
+      col: 'population',
+      op: 'IS NOT NULL',
+    });
+  });
+
+  describe('point_radius_fixed legacy structure', () => {
+    test('should not add metrics to query when value is simple string', () => {
+      const formDataWithFixValue = {
+        ...baseFormData,
+        point_radius_fixed: {
+          value: '1000',
+        },
+      };
+
+      const queryContext = buildQuery(formDataWithFixValue);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+
+    test('should not add metrics to query when point_radius_fixed.value is undefined', () => {
+      const formDataWithEmptyValue = {
+        ...baseFormData,
+        point_radius_fixed: {
+          value: undefined,
+        },
+      };
+
+      const queryContext = buildQuery(formDataWithEmptyValue);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+
+    test('should not add metrics to query when point_radius_fixed is undefined', () => {
+      const formDataWithoutFixedRadius = {
+        ...baseFormData,
+        point_radius_fixed: undefined,
+      };
+
+      const queryContext = buildQuery(formDataWithoutFixedRadius);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+  });
+
+  describe('point_radius_fixed "fix" type', () => {
+    test('should not add metrics to query when point_radius_fixed type is "fix"', () => {
+      const formDataWithFixType = {
+        ...baseFormData,
+        point_radius_fixed: {
+          type: 'fix',
+          value: '1000',
+        },
+      } as any;
+
+      const queryContext = buildQuery(formDataWithFixType);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+
+    test('should not add metrics to query when point_radius_fixed type is "fix" with zero value', () => {
+      const formDataWithZeroFix = {
+        ...baseFormData,
+        point_radius_fixed: {
+          type: 'fix',
+          value: '0',
+        },
+      } as any;
+
+      const queryContext = buildQuery(formDataWithZeroFix);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+
+    test('should not add metrics to query when point_radius_fixed type is "fix" with decimal value', () => {
+      const formDataWithDecimalFix = {
+        ...baseFormData,
+        point_radius_fixed: {
+          type: 'fix',
+          value: '500.5',
+        },
+      } as any;
+
+      const queryContext = buildQuery(formDataWithDecimalFix);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+  });
+
+  describe('point_radius_fixed "metric" type', () => {
+    test('should add metric object to query when point_radius_fixed type is "metric"', () => {
+      const metricObject = {
+        expressionType: 'SQL',
+        sqlExpression: 'SUM(population)/SUM(area)',
+        column: null,
+        aggregate: null,
+        datasourceWarning: false,
+        hasCustomLabel: false,
+        label: 'SUM(population)/SUM(area)',
+        optionName: 'metric_c5rvwrzoo86_293h6yrv2ic',
+      };
+
+      const formDataWithMetricType = {
+        ...baseFormData,
+        point_radius_fixed: {
+          type: 'metric',
+          value: metricObject,
+        },
+      } as any;
+
+      const queryContext = buildQuery(formDataWithMetricType);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([metricObject]);
+    });
+
+    test('should add simple column metric to query when point_radius_fixed type is "metric"', () => {
+      const simpleMetricObject = {
+        expressionType: 'simple',
+        column: {
+          column_name: 'avg_elevation',
+          type: 'NUMERIC',
+        },
+        aggregate: 'avg',
+        label: 'AVG(avg_elevation)',
+      };
+
+      const formDataWithSimpleMetric = {
+        ...baseFormData,
+        point_radius_fixed: {
+          type: 'metric',
+          value: simpleMetricObject,
+        },
+      } as any;
+
+      const queryContext = buildQuery(formDataWithSimpleMetric);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([simpleMetricObject]);
+    });
+
+    test('should include both regular metric and point_radius_fixed metric in query when both are specified', () => {
+      const metricObject = {
+        expressionType: 'simple',
+        column: { column_name: 'elevation' },
+        aggregate: 'sum',
+        label: 'SUM(elevation)',
+      };
+
+      const formDataWithBothMetrics = {
+        ...baseFormData,
+        metric: 'population',
+        point_radius_fixed: {
+          type: 'metric',
+          value: metricObject,
+        },
+      } as any;
+
+      const queryContext = buildQuery(formDataWithBothMetrics);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual(['population', metricObject]);
+    });
+  });
+
+  describe('Edge cases and error handling', () => {
+    test('should not add metrics to query when point_radius_fixed is null', () => {
+      const formDataWithNull = {
+        ...baseFormData,
+        point_radius_fixed: null,
+      } as any;
+
+      const queryContext = buildQuery(formDataWithNull);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+
+    test('should handle null metric values gracefully', () => {
+      const formDataWithNullMetric = {
+        ...baseFormData,
+        point_radius_fixed: {
+          type: 'metric',
+          value: null,
+        },
+      } as any;
+
+      const queryContext = buildQuery(formDataWithNullMetric);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+
+    test('should handle undefined metric values gracefully', () => {
+      const formDataWithUndefinedMetric = {
+        ...baseFormData,
+        point_radius_fixed: {
+          type: 'metric',
+          value: undefined,
+        },
+      } as any;
+
+      const queryContext = buildQuery(formDataWithUndefinedMetric);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+
+    test('should not add metrics to query when point_radius_fixed is empty object', () => {
+      const formDataWithEmptyObject = {
+        ...baseFormData,
+        point_radius_fixed: {},
+      };
+
+      const queryContext = buildQuery(formDataWithEmptyObject);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+
+    test('should not add metrics to query when point_radius_fixed has unsupported type', () => {
+      const formDataWithUnsupportedType = {
+        ...baseFormData,
+        point_radius_fixed: {
+          type: 'unsupported_type',
+          value: 'some_value',
+        },
+      } as any;
+
+      const queryContext = buildQuery(formDataWithUnsupportedType);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+
+    test('should not add metrics to query when point_radius_fixed has missing type field', () => {
+      const formDataWithMissingType = {
+        ...baseFormData,
+        point_radius_fixed: {
+          value: 'some_value',
+        },
+      };
+
+      const queryContext = buildQuery(formDataWithMissingType);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+  });
+
+  describe('Integration with other form data fields', () => {
+    test('should include js_columns in query columns', () => {
+      const formDataWithJsColumns = {
+        ...baseFormData,
+        js_columns: ['custom_col1', 'custom_col2'],
+      };
+
+      const queryContext = buildQuery(formDataWithJsColumns);
+      const [query] = queryContext.queries;
+
+      expect(query.columns).toEqual([
+        'polygon_geom',
+        'custom_col1',
+        'custom_col2',
+      ]);
+    });
+
+    test('should include tooltip_contents columns in query', () => {
+      const formDataWithTooltips = {
+        ...baseFormData,
+        tooltip_contents: [
+          { item_type: 'column', column_name: 'tooltip_col' },
+          'another_tooltip_col',
+        ],
+      };
+
+      const queryContext = buildQuery(formDataWithTooltips);
+      const [query] = queryContext.queries;
+
+      expect(query.columns).toContain('tooltip_col');
+      expect(query.columns).toContain('another_tooltip_col');
+    });
+
+    test('should not add null filters when filter_nulls is false', () => {
+      const formDataWithoutNullFilters = {
+        ...baseFormData,
+        filter_nulls: false,
+        metric: 'population',
+      };
+
+      const queryContext = buildQuery(formDataWithoutNullFilters);
+      const [query] = queryContext.queries;
+
+      expect(query.filters).toEqual([]);
+    });
+
+    test('should build comprehensive query when multiple form data fields are specified', () => {
+      const complexFormData = {
+        ...baseFormData,
+        metric: 'population',
+        point_radius_fixed: {
+          type: 'metric',
+          value: {
+            expressionType: 'simple',
+            column: { column_name: 'elevation' },
+            aggregate: 'avg',
+            label: 'AVG(elevation)',
+          },
+        },
+        js_columns: ['custom_prop'],
+        tooltip_contents: [
+          { item_type: 'column', column_name: 'tooltip_info' },
+        ],
+        filter_nulls: true,
+      } as any;
+
+      const queryContext = buildQuery(complexFormData);
+      const [query] = queryContext.queries;
+
+      expect(query.columns).toContain('polygon_geom');
+      expect(query.columns).toContain('custom_prop');
+      expect(query.columns).toContain('tooltip_info');
+      expect(query.metrics).toContain('population');
+      expect(query.metrics).toContain(complexFormData.point_radius_fixed.value);
+      expect(query.filters).toContainEqual({
+        col: 'polygon_geom',
+        op: 'IS NOT NULL',
+      });
+      expect(query.filters).toContainEqual({
+        col: 'population',
+        op: 'IS NOT NULL',
+      });
+    });
+  });
+
+  describe('Current implementation behavior', () => {
+    test('should not add fixed values to metrics for legacy point_radius_fixed structure', () => {
+      const formDataWithFix = {
+        ...baseFormData,
+        point_radius_fixed: {
+          value: '1000',
+        },
+      };
+
+      const queryContext = buildQuery(formDataWithFix);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+
+    test('should add metric objects to query when point_radius_fixed type is "metric"', () => {
+      const metricObject = {
+        expressionType: 'SQL',
+        sqlExpression: 'AVG(elevation)',
+        label: 'AVG(elevation)',
+      };
+
+      const formDataWithMetricObject = {
+        ...baseFormData,
+        point_radius_fixed: {
+          type: 'metric',
+          value: metricObject,
+        },
+      } as any;
+
+      const queryContext = buildQuery(formDataWithMetricObject);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toContain(metricObject);
+    });
+
+    test('should respect type information when processing point_radius_fixed', () => {
+      const formDataWithTypeInfo = {
+        ...baseFormData,
+        point_radius_fixed: {
+          type: 'fix',
+          value: '500',
+        },
+      } as any;
+
+      const queryContext = buildQuery(formDataWithTypeInfo);
+      const [query] = queryContext.queries;
+
+      expect(query.metrics).toEqual([]);
+    });
+  });
+});
diff --git a/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/buildQuery.ts b/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/buildQuery.ts
index 257096525c0..ec319a9ae2c 100644
--- a/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/buildQuery.ts
+++ b/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/buildQuery.ts
@@ -24,6 +24,7 @@ import {
   QueryObjectFilterClause,
   QueryObject,
   QueryFormColumn,
+  QueryFormMetric,
 } from '@superset-ui/core';
 import { addTooltipColumnsToQuery } from '../buildQueryUtils';
 
@@ -31,9 +32,18 @@ export interface DeckPolygonFormData extends SqlaFormData {
   line_column?: string;
   line_type?: string;
   metric?: string;
-  point_radius_fixed?: {
-    value?: string;
-  };
+  point_radius_fixed?:
+    | {
+        value?: string;
+      }
+    | {
+        type: 'fix';
+        value: string;
+      }
+    | {
+        type: 'metric';
+        value: QueryFormMetric;
+      };
   reverse_long_lat?: boolean;
   filter_nulls?: boolean;
   js_columns?: string[];
@@ -74,8 +84,16 @@ export default function buildQuery(formData: DeckPolygonFormData) {
     if (metric) {
       metrics.push(metric);
     }
-    if (point_radius_fixed?.value) {
-      metrics.push(point_radius_fixed.value);
+
+    if (point_radius_fixed) {
+      if ('type' in point_radius_fixed) {
+        if (
+          point_radius_fixed.type === 'metric' &&
+          point_radius_fixed.value != null
+        ) {
+          metrics.push(point_radius_fixed.value);
+        }
+      }
     }
 
     const filters = ensureIsArray(baseQueryObject.filters || []);
diff --git a/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/transformProps.test.ts b/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/transformProps.test.ts
new file mode 100644
index 00000000000..f15f3eca9b5
--- /dev/null
+++ b/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/transformProps.test.ts
@@ -0,0 +1,254 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+import { ChartProps } from '@superset-ui/core';
+import transformProps from './transformProps';
+
+interface PolygonFeature {
+  polygon?: number[][];
+  elevation?: number;
+  extraProps?: Record<string, unknown>;
+  metrics?: Record<string, number | string>;
+}
+
+jest.mock('../spatialUtils', () => ({
+  ...jest.requireActual('../spatialUtils'),
+  getMapboxApiKey: jest.fn(() => 'mock-mapbox-key'),
+}));
+
+describe('Polygon transformProps', () => {
+  const mockChartProps: Partial<ChartProps> = {
+    rawFormData: {
+      line_column: 'geom',
+      line_type: 'json',
+      viewport: {},
+    },
+    queriesData: [
+      {
+        data: [
+          {
+            geom: JSON.stringify([
+              [-122.4, 37.8],
+              [-122.3, 37.8],
+              [-122.3, 37.9],
+              [-122.4, 37.9],
+            ]),
+            'AVG(elevation)': 150.5,
+            population: 50000,
+          },
+        ],
+      },
+    ],
+    datasource: { type: 'table' as const, id: 1 },
+    height: 400,
+    width: 600,
+    hooks: {},
+    filterState: {},
+    emitCrossFilters: false,
+  };
+
+  test('should use constant elevation value when point_radius_fixed type is "fix"', () => {
+    const fixProps = {
+      ...mockChartProps,
+      rawFormData: {
+        ...mockChartProps.rawFormData,
+        point_radius_fixed: {
+          type: 'fix',
+          value: '1000',
+        },
+      },
+    };
+
+    const result = transformProps(fixProps as ChartProps);
+
+    const features = result.payload.data.features as PolygonFeature[];
+    expect(features).toHaveLength(1);
+    expect(features[0]?.elevation).toBe(1000);
+  });
+
+  test('should use database metric value for elevation when point_radius_fixed type is "metric"', () => {
+    const metricProps = {
+      ...mockChartProps,
+      rawFormData: {
+        ...mockChartProps.rawFormData,
+        point_radius_fixed: {
+          type: 'metric',
+          value: {
+            expressionType: 'SQL',
+            sqlExpression: 'AVG(elevation)',
+            label: 'AVG(elevation)',
+          },
+        },
+      },
+    };
+
+    const result = transformProps(metricProps as ChartProps);
+
+    const features = result.payload.data.features as PolygonFeature[];
+    expect(features).toHaveLength(1);
+    expect(features[0]?.elevation).toBe(150.5);
+  });
+
+  test('should use constant elevation value when point_radius_fixed has legacy structure', () => {
+    const legacyProps = {
+      ...mockChartProps,
+      rawFormData: {
+        ...mockChartProps.rawFormData,
+        point_radius_fixed: {
+          value: '750',
+        },
+      },
+    };
+
+    const result = transformProps(legacyProps as ChartProps);
+
+    const features = result.payload.data.features as PolygonFeature[];
+    expect(features).toHaveLength(1);
+    expect(features[0]?.elevation).toBe(750);
+  });
+
+  test('should not set elevation when point_radius_fixed is not specified', () => {
+    const noElevationProps = {
+      ...mockChartProps,
+      rawFormData: {
+        ...mockChartProps.rawFormData,
+      },
+    };
+
+    const result = transformProps(noElevationProps as ChartProps);
+
+    const features = result.payload.data.features as PolygonFeature[];
+    expect(features).toHaveLength(1);
+    expect(features[0]?.elevation).toBeUndefined();
+  });
+
+  test('should use decimal constant elevation value when point_radius_fixed type is "fix"', () => {
+    const decimalFixProps = {
+      ...mockChartProps,
+      rawFormData: {
+        ...mockChartProps.rawFormData,
+        point_radius_fixed: {
+          type: 'fix',
+          value: '500.75',
+        },
+      },
+    };
+
+    const result = transformProps(decimalFixProps as ChartProps);
+
+    const features = result.payload.data.features as PolygonFeature[];
+    expect(features).toHaveLength(1);
+    expect(features[0]?.elevation).toBe(500.75);
+  });
+
+  test('should handle invalid numeric strings gracefully', () => {
+    const invalidNumericProps = {
+      ...mockChartProps,
+      rawFormData: {
+        ...mockChartProps.rawFormData,
+        point_radius_fixed: {
+          type: 'fix',
+          value: 'not-a-number',
+        },
+      },
+    };
+
+    const result = transformProps(invalidNumericProps as ChartProps);
+
+    const features = result.payload.data.features as PolygonFeature[];
+    expect(features).toHaveLength(1);
+    expect(features[0]?.elevation).toBeUndefined();
+  });
+
+  test('should handle empty string elevation values gracefully', () => {
+    const emptyStringProps = {
+      ...mockChartProps,
+      rawFormData: {
+        ...mockChartProps.rawFormData,
+        point_radius_fixed: {
+          type: 'fix',
+          value: '',
+        },
+      },
+    };
+
+    const result = transformProps(emptyStringProps as ChartProps);
+
+    const features = result.payload.data.features as PolygonFeature[];
+    expect(features).toHaveLength(1);
+    expect(features[0]?.elevation).toBeUndefined();
+  });
+
+  test('should handle null metric elevation values gracefully', () => {
+    const nullMetricProps = {
+      ...mockChartProps,
+      rawFormData: {
+        ...mockChartProps.rawFormData,
+        point_radius_fixed: {
+          type: 'metric',
+          value: null,
+        },
+      },
+    };
+
+    const result = transformProps(nullMetricProps as ChartProps);
+
+    const features = result.payload.data.features as PolygonFeature[];
+    expect(features).toHaveLength(1);
+    expect(features[0]?.elevation).toBeUndefined();
+  });
+
+  test('should handle invalid JSON in polygon data gracefully', () => {
+    const invalidJsonProps = {
+      ...mockChartProps,
+      queriesData: [
+        {
+          data: [
+            {
+              geom: 'invalid-json-string',
+            },
+          ],
+        },
+      ],
+    };
+
+    const result = transformProps(invalidJsonProps as ChartProps);
+
+    const features = result.payload.data.features as PolygonFeature[];
+    expect(features).toHaveLength(0);
+  });
+
+  test('should handle legacy point_radius_fixed with invalid value gracefully', () => {
+    const legacyInvalidProps = {
+      ...mockChartProps,
+      rawFormData: {
+        ...mockChartProps.rawFormData,
+        point_radius_fixed: {
+          value: 'invalid-number',
+        },
+      },
+    };
+
+    const result = transformProps(legacyInvalidProps as ChartProps);
+
+    const features = result.payload.data.features as PolygonFeature[];
+    expect(features).toHaveLength(1);
+    expect(features[0]?.elevation).toBeUndefined();
+  });
+});
diff --git a/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/transformProps.ts b/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/transformProps.ts
index b1c73b72d51..3c55142d39e 100644
--- a/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/transformProps.ts
+++ b/superset-frontend/plugins/legacy-preset-chart-deckgl/src/layers/Polygon/transformProps.ts
@@ -16,7 +16,7 @@
  * specific language governing permissions and limitations
  * under the License.
  */
-import { ChartProps } from '@superset-ui/core';
+import { ChartProps, getMetricLabel } from '@superset-ui/core';
 import { addJsColumnsToExtraProps, DataRecord } from '../spatialUtils';
 import {
   createBaseTransformResult,
@@ -27,6 +27,11 @@ import {
 } from '../transformUtils';
 import { DeckPolygonFormData } from './buildQuery';
 
+function parseElevationValue(value: string): number | undefined {
+  const parsed = parseFloat(value);
+  return Number.isNaN(parsed) ? undefined : parsed;
+}
+
 interface PolygonFeature {
   polygon?: number[][];
   name?: string;
@@ -53,7 +58,28 @@ function processPolygonData(
   }
 
   const metricLabel = getMetricLabelFromFormData(metric);
-  const elevationLabel = getMetricLabelFromFormData(point_radius_fixed);
+
+  let elevationLabel: string | undefined;
+  let fixedElevationValue: number | undefined;
+
+  if (point_radius_fixed) {
+    if ('type' in point_radius_fixed) {
+      if (
+        point_radius_fixed.type === 'metric' &&
+        point_radius_fixed.value != null
+      ) {
+        elevationLabel = getMetricLabel(point_radius_fixed.value);
+      } else if (
+        point_radius_fixed.type === 'fix' &&
+        point_radius_fixed.value
+      ) {
+        fixedElevationValue = parseElevationValue(point_radius_fixed.value);
+      }
+    } else if (point_radius_fixed.value) {
+      fixedElevationValue = parseElevationValue(point_radius_fixed.value);
+    }
+  }
+
   const excludeKeys = new Set([line_column, ...(js_columns || [])]);
 
   return records
@@ -109,7 +135,9 @@ function processPolygonData(
 
         feature.polygon = polygonCoords;
 
-        if (elevationLabel && record[elevationLabel] != null) {
+        if (fixedElevationValue !== undefined) {
+          feature.elevation = fixedElevationValue;
+        } else if (elevationLabel && record[elevationLabel] != null) {
           const elevationValue = parseMetricValue(record[elevationLabel]);
           if (elevationValue !== undefined) {
             feature.elevation = elevationValue;