filtering features

Author: alex-cit

src/.vitepress/sidebar/en.js

@@ -111,6 +111,7 @@ export default {
         { text: 'Synchronisation in Mergin Maps Mobile App', link: '/field/autosync/' },
         { text: 'Measurement Tools', link: '/field/measure/' },
         { text: 'Layers in Mergin Maps Mobile App', link: '/field/layers/' },
+        { text: 'Filtering Features', link: '/field/filtering/' },
         { text: 'Map Sketching', link: '/field/map-sketching/' },
         { text: 'Photo Sketching', link: '/field/photo-sketching/' },
         { text: 'How to Add, Edit, Delete Features', link: '/field/mobile-features/' },

src/field/filtering/index.md

@@ -0,0 +1,31 @@
+---
+description: Add custom filters to sort and display only those features that you need during your field survey.
+---
+
+# Filtering Features in Mergin Maps mobile app
+[[toc]]
+
+Custom filters can be added to the <MobileAppNameShort /> to easily filter features displayed on the map as well as in the [survey layers](../layers/#browsing-features).
+
+## Enable features filtering
+Features filtering needs to be enabled in QGIS
+
+1. Open your <MainPlatformName /> project in QGIS and navigate to **Project** > **Properties** 
+
+2. In the <MainPlatformName /> tab, check the **Enable map sketching** option.
+
+   ::: tip Plugin upgrade
+   If you do not see this option in the **Project properties**, check for [plugin upgrades](../../setup/install-mergin-maps-plugin-for-qgis/#plugin-upgrade).
+   :::
+
+3. Click on the **Add filter** button and select a filter type from the list.
+   ![Enable map sketching in QGIS Mergin Maps project](./qgis-project-properties-enable-filtering.webp "Enable map sketching in QGIS Mergin Maps project")
+   
+4. Define the filter:
+   - **Type** 
+   
+5. Save the changes and synchronise your project
+
+
+
+## Filtering features in the mobile app

src/field/filtering/mobile-filtering.gif

@@ -82,6 +82,8 @@ If the map tip has `# image` marker on the first line, the following line is und
 ## Background layers
 Various online and offline maps can be used as background layers for navigation during the field survey. You can find more information in [Background Maps](../settingup_background_map/).
 
+## Map themes
+[Map Themes](../setup_themes/) make possible to switch between different background maps, combinations of visible layers or their styles both in QGIS and in <MobileAppName />.
 
 ## Project settings
 - Ensure the paths are set to *Relative* in the **General** tab in Project Properties. All paths to the project data in <MobileAppName /> are relative to the project location.
@@ -179,7 +181,9 @@ There is an option to define the order in which layers are displayed in the <Mob
 
 ![Layer order in QGIS Mergin Maps project](./project-layer-order.jpg "Layer order in QGIS Mergin Maps project")
 
-### Map themes
-[Map Themes](../setup_themes/) make possible to switch between different background maps in <MobileAppName /> (e.g. cartography maps and aerial imagery)
+### Filtering features
+Filters for features in the <MobileAppNameShort /> can be enabled in the **<MainPlatformName />** tab in **Project properties**.
 
+![Enable filtering in QGIS Mergin Maps project](./project-filtering.webp "Enable filtering in QGIS Mergin Maps project")
 
+You can find more details about how this works in [Filtering Features](../../field/filtering/).

src/field/filtering/qgis-project-properties-enable-filtering.webp

@@ -105,6 +105,7 @@ The ecosystem consist of various components:
 - [Synchronisation in <MobileAppName />](./field/autosync/)
 - [Measurement Tools](./field/measure/)
 - [Layers in <MobileAppName />](./field/layers/)
+- [Filtering Features](./field/filtering/)
 - [Map Sketching in <MobileAppName />](./field/map-sketching/)
 - [Photo Sketching in <MobileAppName />](./field/photo-sketching/)
 - [How to Add, Edit, Delete Features](./field/mobile-features/)

src/field/filtering/qgis-project-properties-enable-filtering.xcf

@@ -1,5 +1,7 @@
 ---
 description: Create, set up and synchronise your Mergin Maps projects with Mergin Maps QGIS plugin. The plugin brings Mergin Maps functionalities to QGIS.
+
+outline: deep
 ---
 
 # Mergin Maps QGIS Plugin Overview
@@ -98,6 +100,7 @@ Some settings of your [<MainPlatformName /> project](../project/) can be done th
 - Enable [**Map sketching**](../../field/map-sketching/)
 - Set [**Layer order**](../../field/layers/#layer-order) for the <MobileAppNameShort />
 - Enable [**Photo sketching**](../../field/photo-sketching/) to annotate pictures in the <MobileAppNameShort />
+- Enable [**Filtering**](../../field/filtering) features in the <MobileAppNameShort />
 
 ![Mergin Maps Project Properties in QGIS](./qgis-mergin-maps-project-properties.jpg "Mergin Maps Project Properties in QGIS")