224 lines
6.7 KiB
Markdown
224 lines
6.7 KiB
Markdown
---
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name: terrain-set-heightmap-resolution
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description: Set the heightmap resolution of a `Terrain`'s `TerrainData`. The value is rounded up to a valid `2^n + 1`. Changing resolution resamples the existing heightmap.
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metadata:
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generated-by: mcp-plugin-dotnet
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---
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# Terrain / Set Heightmap Resolution
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Set the heightmap resolution of a `Terrain`'s `TerrainData`.
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## Inputs
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- `gameObjectRef` — the GameObject hosting the `Terrain` (required).
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- `heightmapResolution` — requested resolution; rounded up to a valid `2^n + 1` value (clamped to Unity's [33, 4097] range).
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## Behavior
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Assigns `TerrainData.heightmapResolution`. This is destructive: Unity resamples the existing heightmap to the new resolution. Marks the asset + scene dirty and repaints. Runs on the Unity main thread.
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## How to Call
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```bash
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unity-mcp-cli run-tool terrain-set-heightmap-resolution --input '{
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"gameObjectRef": "string_value",
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"heightmapResolution": 0
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}'
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```
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> For complex input (multi-line strings, code), save the JSON to a file and use:
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> ```bash
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> unity-mcp-cli run-tool terrain-set-heightmap-resolution --input-file args.json
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> ```
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>
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> Or pipe via stdin (recommended):
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> ```bash
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> unity-mcp-cli run-tool terrain-set-heightmap-resolution --input-file - <<'EOF'
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> {"param": "value"}
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> EOF
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> ```
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### Troubleshooting
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If `unity-mcp-cli` is not found, either install it globally (`npm install -g unity-mcp-cli`) or use `npx unity-mcp-cli` instead.
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Read the /unity-initial-setup skill for detailed installation instructions.
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## Input
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| Name | Type | Required | Description |
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|------|------|----------|-------------|
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| `gameObjectRef` | `any` | Yes | Reference to the GameObject containing the Terrain component. |
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| `heightmapResolution` | `integer` | Yes | Requested heightmap resolution. Rounded up to a valid (2^n + 1) value. |
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### Input JSON Schema
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```json
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{
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"type": "object",
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"properties": {
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"gameObjectRef": {
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"$ref": "#/$defs/AIGD.GameObjectRef"
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},
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"heightmapResolution": {
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"type": "integer"
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}
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},
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"$defs": {
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"UnityEngine.EntityId": {
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"type": "string",
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"pattern": "^[0-9]+$"
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},
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"System.Type": {
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"type": "string"
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},
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"AIGD.GameObjectRef": {
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"type": "object",
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"properties": {
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"instanceID": {
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"$ref": "#/$defs/UnityEngine.EntityId",
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"description": "instanceID of the UnityEngine.Object. If it is '0' and 'path', 'name', 'assetPath' and 'assetGuid' is not provided, empty or null, then it will be used as 'null'. Priority: 1 (Recommended)"
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},
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"path": {
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"type": "string",
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"description": "Path of a GameObject in the hierarchy Sample 'character/hand/finger/particle'. Priority: 2."
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},
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"name": {
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"type": "string",
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"description": "Name of a GameObject in hierarchy. Priority: 3."
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},
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"assetType": {
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"$ref": "#/$defs/System.Type",
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"description": "Type of the asset."
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},
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"assetPath": {
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"type": "string",
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"description": "Path to the asset within the project. Starts with 'Assets/'"
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},
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"assetGuid": {
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"type": "string",
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"description": "Unique identifier for the asset."
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}
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},
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"required": [
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"instanceID"
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],
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"description": "Find GameObject in opened Prefab or in the active Scene."
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}
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},
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"required": [
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"gameObjectRef",
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"heightmapResolution"
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]
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}
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```
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## Output
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### Output JSON Schema
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```json
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{
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"type": "object",
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"properties": {
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"result": {
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"$ref": "#/$defs/com.IvanMurzak.Unity.MCP.Editor.API.Tool_Terrain-TerrainSetHeightmapResolutionResponse"
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}
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},
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"$defs": {
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"AIGD.GameObjectRef": {
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"type": "object",
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"properties": {
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"instanceID": {
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"$ref": "#/$defs/UnityEngine.EntityId",
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"description": "instanceID of the UnityEngine.Object. If it is '0' and 'path', 'name', 'assetPath' and 'assetGuid' is not provided, empty or null, then it will be used as 'null'. Priority: 1 (Recommended)"
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},
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"path": {
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"type": "string",
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"description": "Path of a GameObject in the hierarchy Sample 'character/hand/finger/particle'. Priority: 2."
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},
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"name": {
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"type": "string",
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"description": "Name of a GameObject in hierarchy. Priority: 3."
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},
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"assetType": {
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"$ref": "#/$defs/System.Type",
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"description": "Type of the asset."
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},
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"assetPath": {
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"type": "string",
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"description": "Path to the asset within the project. Starts with 'Assets/'"
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},
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"assetGuid": {
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"type": "string",
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"description": "Unique identifier for the asset."
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}
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},
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"required": [
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"instanceID"
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],
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"description": "Find GameObject in opened Prefab or in the active Scene."
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},
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"UnityEngine.EntityId": {
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"type": "string",
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"pattern": "^[0-9]+$"
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},
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"System.Type": {
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"type": "string"
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},
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"AIGD.ComponentRef": {
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"type": "object",
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"properties": {
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"index": {
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"type": "integer",
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"description": "Component 'index' attached to a gameObject. The first index is '0' and that is usually Transform or RectTransform. Priority: 2. Default value is -1."
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},
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"typeName": {
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"type": "string",
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"description": "Component type full name. Sample 'UnityEngine.Transform'. If the gameObject has two components of the same type, the output component is unpredictable. Priority: 3. Default value is null."
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},
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"instanceID": {
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"$ref": "#/$defs/UnityEngine.EntityId",
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"description": "instanceID of the UnityEngine.Object. If this is '0', then it will be used as 'null'."
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}
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},
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"required": [
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"index",
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"instanceID"
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],
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"description": "Component reference. Used to find a Component at GameObject."
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},
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"com.IvanMurzak.Unity.MCP.Editor.API.Tool_Terrain-TerrainSetHeightmapResolutionResponse": {
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"type": "object",
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"properties": {
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"gameObjectRef": {
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"$ref": "#/$defs/AIGD.GameObjectRef",
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"description": "Reference to the Terrain GameObject."
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},
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"terrainRef": {
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"$ref": "#/$defs/AIGD.ComponentRef",
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"description": "Reference to the Terrain component."
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},
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"heightmapResolution": {
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"type": "integer",
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"description": "Resolved heightmap resolution."
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},
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"success": {
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"type": "boolean",
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"description": "Whether the operation succeeded."
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}
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},
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"required": [
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"heightmapResolution",
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"success"
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]
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}
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},
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"required": [
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"result"
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]
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}
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```
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