---
name: "Terrain Processor: Line: Mask: Area"
type: topic
source: https://community.bistudio.com/wiki/Terrain_Processor:_Line:_Mask:_Area
revid: 201445
updated: 2021-01-17T20:09:46Z
---

# Terrain Processor: Line: Mask: Area

#### Task details

**Task name** : Mask: Area

**Dll plugin name** : BITasksPlugin.dll

**Geometry type** : Polygon, PolygonM, PolygonZ

**Heightmap** : No

#### Description

Algorithm removes all objects in features database which are inside / outside given shapefile polygons.

#### Task parameters

- **Remove objects** - where remove objects (Inside, Outside).

#### Usage

This task removes objects inside/outside given areas. You can use it for removing trees in roads buffer, where there are water bodies or in areas you would want to edit manually.

#### Algorithm

1. Algorithm finds all objects inside / outside polygons and removes them from feature database.

<sub>Source: [BI Community Wiki — Terrain Processor: Line: Mask: Area](https://community.bistudio.com/wiki/Terrain_Processor:_Line:_Mask:_Area) (revision 201445).</sub>