2gis-maps

<h2 id="work-with vector layers">Work with vector layers</h2><p><dl class="api-incut"><ul class="page-contents"><li><a href="#description">Description</a></li><li><a href="#polyline-display">Polyline display</a></li><li><a href="#display-rectangles">Display rectangles</a></li><li><a href="#display-polygons">Display polygons</a></li><li><a href="#display-a circle and a round marker">Display a circle and a round marker</a></li><li><a href="#vector-layers with tips and pop-ups">Vector layers with tips and pop-ups</a></li><li><a href="#animation-of the polyline rendering">Animation of the polyline rendering</a></li></ul></dl></p> <h3 id="description">Description</h3><p>The following are basic examples of usage of geometric objects. For more information about the work with vector layers use the <a href="/doc/maps/en/manual/vector-layers">Vector Layers</a> section of documentation.</p> <h3 id="polyline-display">Polyline display</h3><script src="https://maps.api.2gis.ru/2.0/loader.js"></script> <div id="map" style="width: 100%; height: 500px;"></div> <script> DG.then(function() { var map, coordinates, polyline; map = DG.map('map', { center: [55.036446, 82.897983], zoom: 11 }); coordinates = [[55.069288, 82.991367], [55.069288, 82.816615], [55.011648, 82.902103], [54.944714, 82.903152], [54.928935, 82.850967], [54.928541, 82.976280], [54.944517, 82.916541], [55.011704, 82.916885], [55.056508, 82.973514], [55.056508, 82.835498], [55.056705, 82.973857], [55.069288, 82.991367], [55.069288, 82.941928], [55.097193, 82.959094], [55.046282, 82.919956], [55.045692, 82.904163], [55.036446, 82.897983], [55.029756, 82.907596], [55.018932, 82.903819], [55.029362, 82.914119], [55.030543, 82.927165], [55.037823, 82.933345], [55.045101, 82.925105], [55.069681, 82.941928]]; // create a polyline from an array of geographical points polyline = DG.polyline(coordinates, {color: 'blue'}).addTo(map); // adjust the center of the map and the scale to make the polyline visible map.fitBounds(polyline.getBounds()); }); </script> <pre><code><!DOCTYPE html> <html> <head> <title>Polyline display</title> <script src="https://maps.api.2gis.ru/2.0/loader.js"></script> </head> <body> <div id="map" style="width: 100%; height: 500px;"></div> <script> DG.then(function() { var map, coordinates, polyline; map = DG.map('map', { center: [55.036446, 82.897983], zoom: 11 }); coordinates = [[55.069288, 82.991367], [55.069288, 82.816615], [55.011648, 82.902103], [54.944714, 82.903152], [54.928935, 82.850967], [54.928541, 82.976280], [54.944517, 82.916541], [55.011704, 82.916885], [55.056508, 82.973514], [55.056508, 82.835498], [55.056705, 82.973857], [55.069288, 82.991367], [55.069288, 82.941928], [55.097193, 82.959094], [55.046282, 82.919956], [55.045692, 82.904163], [55.036446, 82.897983], [55.029756, 82.907596], [55.018932, 82.903819], [55.029362, 82.914119], [55.030543, 82.927165], [55.037823, 82.933345], [55.045101, 82.925105], [55.069681, 82.941928]]; // create a polyline from an array of geographical points polyline = DG.polyline(coordinates, { color: 'blue' }).addTo(map); // adjust the center of the map and the scale to make the polyline visible map.fitBounds(polyline.getBounds()); }); </script> </body> </html> </code></pre><h3 id="display-rectangles">Display rectangles</h3><p><div id="map1" style="width: 100%; height: 400px;"></div></p> <script> DG.then(function() { var map, coords1 = [[54.98, 82.87], [54.975, 82.91]], coords2 = [[54.985, 82.87], [54.982, 82.91]], coords3 = [[54.99, 82.87], [54.987, 82.91]], rectangles = DG.featureGroup(); map = DG.map('map1', { center: [54.98, 82.89], zoom: 14 }); // Add rectangles to the group DG.rectangle(coords1, {color: "blue"}).addTo(rectangles); DG.rectangle(coords2, {color: "red"}).addTo(rectangles); DG.rectangle(coords3, {color: "green"}).addTo(rectangles); // Add group to the map rectangles.addTo(map); // Adjust boundaries of the map map.fitBounds(rectangles.getBounds()); }); </script> <pre><code><!DOCTYPE html> <html> <head> <title>Display of rectangles</title> <script src="https://maps.api.2gis.ru/2.0/loader.js"></script> </head> <body> <div id="map" style="width: 100%; height: 400px;"></div> <script> DG.then(function() { var map, coords1 = [[54.98, 82.87], [54.975, 82.91]], coords2 = [[54.985, 82.87], [54.982, 82.91]], coords3 = [[54.99, 82.87], [54.987, 82.91]], rectangles = DG.featureGroup(); map = DG.map('map', { center: [54.98, 82.89], zoom: 14 }); // Add rectangles to the group DG.rectangle(coords1, {color: "blue"}).addTo(rectangles); DG.rectangle(coords2, {color: "red"}).addTo(rectangles); DG.rectangle(coords3, {color: "green"}).addTo(rectangles); // Add group to the map rectangles.addTo(map); // Adjust boundaries of the map map.fitBounds(rectangles.getBounds()); }); </script> </body> </html> </code></pre><h3 id="display-polygons">Display polygons</h3><p><div id="map2" style="width: 100%; height: 400px;"></div></p> <script> DG.then(function() { var map, coords1 = [ [54.98, 82.87], [54.975, 82.91], [54.974, 82.915], [54.971, 82.918], [54.970, 82.921] ], coords2 = [ [54.985, 82.875], [54.98, 82.96], [54.979, 82.92], [54.976, 82.923] ], coords3 = [ [54.99, 82.88], [54.985, 82.971], [54.984, 82.925], [54.981, 82.928], [54.980, 82.931] ], polygons = DG.featureGroup(); map = DG.map('map2', { center: [54.98, 82.89], zoom: 13 }); DG.polygon(coords1, {color: "blue"}).addTo(polygons); DG.polygon(coords2, {color: "red"}).addTo(polygons); DG.polygon(coords3, {color: "green"}).addTo(polygons); polygons.addTo(map); map.fitBounds(polygons.getBounds()); }); </script> <pre><code><!DOCTYPE html> <html> <head> <title>Display polygons</title> <script src="https://maps.api.2gis.ru/2.0/loader.js"></script> </head> <body> <div id="map" style="width: 100%; height: 400px;"></div> <script> DG.then(function() { var map, coords1 = [ [54.98, 82.87], [54.975, 82.91], [54.974, 82.915], [54.971, 82.918], [54.970, 82.921] ], coords2 = [ [54.985, 82.875], [54.98, 82.96], [54.979, 82.92], [54.976, 82.923] ], coords3 = [ [54.99, 82.88], [54.985, 82.971], [54.984, 82.925], [54.981, 82.928], [54.980, 82.931] ], polygons = DG.featureGroup(); map = DG.map('map', { center: [54.98, 82.89], zoom: 13 }); // Add polygons to a group DG.polygon(coords1, {color: "blue"}).addTo(polygons); DG.polygon(coords2, {color: "red"}).addTo(polygons); DG.polygon(coords3, {color: "green"}).addTo(polygons); // Add a group to the map polygons.addTo(map); // Adjust the boundaries of the map map.fitBounds(polygons.getBounds()); }); </script> </body> </html> </code></pre><h3 id="display-a circle and a round marker">Display a circle and a round marker</h3><p><div id="map3" style="width: 100%; height: 400px;"></div></p> <script> DG.then(function() { var map = DG.map('map3', { center: [54.98, 82.89], zoom: 14 }); DG.circle([54.98, 82.89], 200, {color: 'red'}).addTo(map); DG.circleMarker([54.985, 82.89]).setRadius(100).addTo(map); }) </script> <pre><code><!DOCTYPE html> <html> <head> <title>Display a circle and a round marker</title> <script src="https://maps.api.2gis.ru/2.0/loader.js"></script> </head> <body> <div id="map" style="width: 100%; height: 400px;"></div> <script> DG.then(function() { var map = DG.map('map', { center: [54.98, 82.89], zoom: 14 }); DG.circle([54.98, 82.89], 200, {color: 'red'}).addTo(map); DG.circleMarker([54.985, 82.89]).setRadius(100).addTo(map); }) </script> </body> </html> </code></pre><h3 id="vector-layers with tips and pop-ups">Vector layers with tips and pop-ups</h3><p><div id="map4" style="width: 100%; height: 400px;"></div></p> <script> DG.then(function() { var map = DG.map('map4', { center: [54.98, 82.89], zoom: 14 }); DG.circle([54.98, 82.87], 200, {color: 'red'}) .bindPopup('I am a circle') .bindLabel('Click on the circle') .addTo(map); DG.circleMarker([54.985, 82.89]) .bindPopup('I am a circle marker') .bindLabel('Click on a circle marker') .setRadius(100) .addTo(map); DG.rectangle( [[54.98, 82.87], [54.975, 82.91]], {color: 'green'}) .bindPopup('I am a rectangle') .bindLabel('Click on a rectangle') .addTo(map); DG.polygon( [[54.985, 82.875], [54.98, 82.96], [54.979, 82.92]], {color: 'yellow'}) .bindPopup('I am a polygon') .bindLabel('Click on a polygon') .addTo(map); }); </script> <pre><code><!DOCTYPE html> <html> <head> <title>Vector layers with tips and pop-ups</title> <script src="https://maps.api.2gis.ru/2.0/loader.js"></script> </head> <body> <div id="map" style="width: 100%; height: 400px;"></div> <script> DG.then(function() { var map = DG.map('map', { center: [54.98, 82.89], zoom: 14 }); DG.circle([54.98, 82.87], 200, {color: 'red'}) .bindPopup('I am a circle') .bindLabel('Click on the circle') .addTo(map); DG.circleMarker([54.985, 82.89]) .bindPopup('I am a circle marker') .bindLabel('Click on a circle marker') .setRadius(100) .addTo(map); DG.rectangle( [[54.98, 82.87], [54.975, 82.91]], {color: 'green'}) .bindPopup('I am a rectangle') .bindLabel('Click on a rectangle') .addTo(map); DG.polygon( [[54.985, 82.875], [54.98, 82.96], [54.979, 82.92]], {color: 'yellow'}) .bindPopup('I am a polygon') .bindLabel('Click on a polygon') .addTo(map); }); </script> </body> </html> </code></pre><h3 id="animation-of the polyline rendering">Animation of the polyline rendering</h3><p><input id="playAnimation" type="button" value="Start animation" /></p> <p><div id="map5" style="width: 100%; height: 400px;"></div></p> <script> var playAnimationButton = document.getElementById('playAnimation'); DG.then(function() { var map = DG.map('map5', { center: [54.98, 82.94], zoom: 13 }); playAnimation.onclick = function() { var polyline = DG.polyline([]).addTo(map), counter = 0; (function draw() { polyline.addLatLng([54.98, 82.89 + counter / 10000]); if (++counter < 1000) { window.setTimeout(draw, 10); } else { counter = 0; draw(); }; })(); } }) </script> <pre><code><!DOCTYPE html> <html> <head> <title>Animation of the polyline rendering</title> <script src="https://maps.api.2gis.ru/2.0/loader.js"></script> </head> <body> <input id="playAnimation" type="button" value="Start animation" /> <div id="map" style="width: 100%; height: 400px;"></div> <script> var playAnimationButton = document.getElementById('playAnimation'); DG.then(function() { var map = DG.map('map', { center: [54.98, 82.94], zoom: 13 }); playAnimation.onclick = function() { var polyline = DG.polyline([]).addTo(map), counter = 0; (function draw() { polyline.addLatLng([54.98, 82.89 + counter / 10000]); if (++counter < 1000) { window.setTimeout(draw, 10); } else { counter = 0; draw(); }; })(); } }) </script> </body> </html> </code></pre>