v0.6.98

CHANGELOG.md

@@ -1,3 +1,6 @@
+v0.6.98
+* Added remove-empty flag for -filter-slivers command.
+
 v0.6.97
 * [web] Prompt user to project imported files to match selected layer, when relevant.
 * [svg] Add fill="none" to unstyled rectangle layers, to prevent map frame rectangles from displaying with SVG default black polygon fill.

REFERENCE.md

@@ -1,6 +1,6 @@
 # COMMAND REFERENCE
 
-This documentation applies to version 0.6.67 of mapshaper's command line program. Run `mapshaper -v` to check your version. For an introduction to the command line tool, read [this page](https://github.com/mbloch/mapshaper/wiki/Introduction-to-the-Command-Line-Tool) first.
+This documentation applies to version 0.6.98 of mapshaper's command line program. Run `mapshaper -v` to check your version. For an introduction to the command line tool, read [this page](https://github.com/mbloch/mapshaper/wiki/Introduction-to-the-Command-Line-Tool) first.
 
 ## Command line syntax
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "mapshaper",
-  "version": "0.6.97",
+  "version": "0.6.98",
   "description": "A tool for editing vector datasets for mapping and GIS.",
   "keywords": [
     "shapefile",

src/cli/mapshaper-options.mjs

@@ -975,12 +975,10 @@ export function getOptionParser() {
       // describe: 'multiply min-area by Polsby-Popper compactness (0-1)'
       type: 'flag',
     })
-    /*
     .option('remove-empty', {
       type: 'flag',
       describe: 'delete features with null geometry'
     })
-    */
     .option('target', targetOpt);
 
   parser.command('graticule')

src/commands/mapshaper-filter-slivers.mjs

@@ -34,6 +34,11 @@ function filterSlivers(lyr, dataset, optsArg) {
 
   editShapes(lyr.shapes, pathFilter);
   message(utils.format("Removed %'d sliver%s using %s", removed, utils.pluralSuffix(removed), filterData.label));
+
+  // Remove null shapes (likely removed by clipping/erasing, although possibly already present)
+  if (opts.remove_empty) {
+    cmd.filterFeatures(lyr, dataset.arcs, {remove_empty: true, verbose: false});
+  }
   return removed;
 }
 

src/gui/gui-interaction-mode-control.mjs

@@ -26,7 +26,7 @@ export function InteractionMode(gui) {
     box: 'rectangle tool',
     data: 'edit attributes',
     labels: 'position labels',
-    edit_points: 'add/edit points',
+    edit_points: 'add/drag points',
     edit_lines: 'draw/edit polylines',
     edit_polygons: 'draw/edit polygons',
     vertices: 'edit vertices',

test/filter-slivers-test.mjs

@@ -4,6 +4,15 @@ import api from '../mapshaper.js';
 
 describe('mapshaper-filter-slivers.js', function () {
 
+  it('remove-empty flag', async function() {
+    var cmd = `-i test/data/two_states_mercator.shp -explode -filter-slivers
+    min-area=100km2 remove-empty -o output.json`;
+    var out = await api.applyCommands(cmd);
+    var features = JSON.parse(out['output.json']).features;
+    assert.equal(features.length, 4);
+  });
+
+
   describe('calcMaxSliverArea()', function () {
     it('ignores relatively long segments', function () {
       var coords2 = [[[3, 1], [2, 1], [2, 2]], [[2, 3], [3, 3]], [[1, 3], [4, 3], [4, 0]]],