Processing: Bounding boxes of a vector layer(geojupyter#734) (geojupyter#744)

* Processing: Bounding boxes of a vector layer(geojupyter#734)

* Change Bounding Boxes and Centroids labels to correspond to qgis naming convention

Author: Gauss-Taylor-Euler

packages/base/src/commands.ts

@@ -410,6 +410,35 @@ export function addCommands(
     },
   });
 
+  commands.addCommand(CommandIDs.boundingBoxes, {
+    label: trans.__('Bounding Boxes'),
+    isEnabled: () => selectedLayerIsOfType(['VectorLayer'], tracker),
+    execute: async () => {
+      await processSelectedLayer(
+        tracker,
+        formSchemaRegistry,
+        'BoundingBoxes',
+        {
+          sqlQueryFn: (layerName, _) => `
+	  SELECT ST_Envelope(geometry) AS geometry, *
+	  FROM "${layerName}"
+        `,
+          gdalFunction: 'ogr2ogr',
+          options: (sqlQuery: string) => [
+            '-f',
+            'GeoJSON',
+            '-dialect',
+            'SQLITE',
+            '-sql',
+            sqlQuery,
+            'output.geojson',
+          ],
+        },
+        app,
+      );
+    },
+  });
+
   commands.addCommand(CommandIDs.newGeoJSONEntry, {
     label: trans.__('New GeoJSON layer'),
     isEnabled: () => {

packages/base/src/constants.ts

@@ -41,6 +41,7 @@ export namespace CommandIDs {
   export const buffer = 'jupytergis:buffer';
   export const dissolve = 'jupytergis:dissolve';
   export const centroids = 'jupytergis:centroids';
+  export const boundingBoxes = 'jupytergis:boundingBoxes';
 
   // Layer and group actions
   export const renameLayer = 'jupytergis:renameLayer';

packages/base/src/dialogs/ProcessingFormDialog.tsx

@@ -22,7 +22,12 @@ export interface IProcessingFormDialogOptions extends IBaseFormProps {
     parentType: 'dialog' | 'panel',
   ) => void;
   model: IJupyterGISModel;
-  processingType: 'Buffer' | 'Dissolve' | 'Export' | 'Centroids';
+  processingType:
+    | 'Buffer'
+    | 'Dissolve'
+    | 'Export'
+    | 'Centroids'
+    | 'BoundingBoxes';
 }
 
 /**
@@ -57,6 +62,7 @@ const ProcessingFormWrapper = (props: IProcessingFormWrapperProps) => {
     case 'Buffer':
     case 'Export':
     case 'Centroids':
+    case 'BoundingBoxes':
     default:
       FormComponent = BaseForm;
   }

packages/base/src/processing.ts

@@ -91,7 +91,7 @@ export type GdalFunctions =
 export async function processSelectedLayer(
   tracker: JupyterGISTracker,
   formSchemaRegistry: IJGISFormSchemaRegistry,
-  processingType: 'Buffer' | 'Dissolve' | 'Centroids',
+  processingType: 'Buffer' | 'Dissolve' | 'Centroids' | 'BoundingBoxes',
   processingOptions: {
     sqlQueryFn: (layerName: string, param: any) => string;
     gdalFunction: GdalFunctions;
@@ -154,6 +154,9 @@ export async function processSelectedLayer(
     case 'Centroids':
       processParam = null;
       break;
+    case 'BoundingBoxes':
+      processParam = null;
+      break;
     default:
       console.error(`Unsupported processing type: ${processingType}`);
       return;
@@ -195,7 +198,7 @@ export async function executeSQLProcessing(
   gdalFunction: GdalFunctions,
   options: string[],
   layerNamePrefix: string,
-  processingType: 'Buffer' | 'Dissolve' | 'Centroids',
+  processingType: 'Buffer' | 'Dissolve' | 'Centroids' | 'BoundingBoxes',
   embedOutputLayer: boolean,
   tracker: JupyterGISTracker,
   app: JupyterFrontEnd,

packages/schema/src/schema/processing/boundingBoxes.json

@@ -0,0 +1,13 @@
+{
+  "type": "object",
+  "description": "BoundingBoxes",
+  "title": "IBoundingBoxes",
+  "required": ["inputLayer"],
+  "additionalProperties": false,
+  "properties": {
+    "inputLayer": {
+      "type": "string",
+      "description": "The input layer for bounding boxes."
+    }
+  }
+}

packages/schema/src/schema/processing/centroids.json

@@ -7,7 +7,7 @@
   "properties": {
     "inputLayer": {
       "type": "string",
-      "description": "The input layer for buffering."
+      "description": "The input layer for centroids."
     }
   }
 }

packages/schema/src/types.ts

@@ -23,6 +23,7 @@ export * from './_interface/project/layers/heatmapLayer';
 export * from './_interface/processing/buffer';
 export * from './_interface/processing/dissolve';
 export * from './_interface/processing/centroids';
+export * from './_interface/processing/boundingBoxes';
 
 // exportLayer
 export * from './_interface/export/exportGeojson';

python/jupytergis_core/src/jgisplugin/plugins.ts

@@ -244,6 +244,11 @@ const activate = async (
       command: CommandIDs.centroids,
       category: 'JupyterGIS',
     });
+
+    palette.addItem({
+      command: CommandIDs.boundingBoxes,
+      category: 'JupyterGIS',
+    });
   }
 };
 

python/jupytergis_lab/src/index.ts

@@ -161,6 +161,10 @@ const plugin: JupyterFrontEndPlugin<void> = {
       command: CommandIDs.centroids,
     });
 
+    processingSubmenu.addItem({
+      command: CommandIDs.boundingBoxes,
+    });
+
     app.contextMenu.addItem({
       type: 'submenu',
       selector: '.jp-gis-layerItem',