raykendo’s gists

raykendo / ArcGIS-JSAPI-MapClickByQueryHack.md

Last active July 6, 2018 20:29

ArcGIS-JSAPI: Clicking on a webmap without clicking on a webmap

Clicking on a map without clicking on a map

An ArcGIS JavaScript API hack

Purpose: I have a map application with a list of results from a query. When I click on one of the items in the result list, I wanted the map to zoom to the associated feature, and trigger a click that shows the result in a popup.

Library: ArcGIS JavaScript API

Version: tested on versions 3.9-3.13.

raykendo / arcgis-jsapi-ondrawbegin.js

Last active August 29, 2015 14:21

ArcGIS-JSAPI: DrawingToolbar hack for onDrawBegin

	/*
	* Making up for a missing "draw-begin" or "draw-start" event for the ArcGIS JavaScript API Drawing toolbar
	*
	* Problem: While the drawing toolbar in the ArcGIS JavaScript API has a "draw-end" and a "draw-complete"
	* event, it doesn't have a "draw-start" or "draw-begin" event.
	*
	* Solution: Use a dojo/on pausable event that is only unpaused after the draw-end event.
	*/
	require(["esri/map", "dojo/on", "esri/toolbars/draw"], function (Map, dojoOn, Draw) {
	var map = new Map("mapdiv", {});

raykendo / gist:31fb197a3f1a1ba52a6f

Created May 25, 2015 05:48

ArcGIS JSAPI: Query Distinct, the old fashion way.

	require([..., "esri/tasks/query", "esri/tasks/QueryTask", "dojo/_base/array",...],
	function (..., Query, QueryTask, arrayUtils,...) {
	...
	// urls faked to protect the innocent kitties
	var qTask = new QueryTask("http://www.cat-hurders.com:6080/arcgis/rest/services/CatSightings/MapServer/"),
	query = new Query();
	// set up the parameters to query for the breeds
	query.where = "1=1";
	query.outFields = ["breed"];
	query.returnGeometry = false;

raykendo / gist:507839766456f90e76d6

Created May 25, 2015 05:52

ArcGIS JSAPI: Query Return Distinct - Quick and Dirty (V. < 3.11)

	require(["esri/tasks/QueryTask"], function (QueryTask) {
	var url = "http://www.cat-hurders.com:6080/arcgis/rest/services/CatSightings/MapServer/",
	qTask = new QueryTask(url + "?returnDistinctValues=true");
	//...
	});

raykendo / gist:a107b9417d62839a02c5

Last active August 29, 2015 14:21

ArcGIS JSAPI: Query Return Distinct - Precallback Request (V < 3.11)

	require(["esri/request"], function (esriRequest) {
	esriRequest.setRequestPreCallback(function(ioArgs){
	// test if we're sending the request to a mapservice query
	if(/query\/?$/.test(ioArgs.url)){
	// if not requesting ObjectIds, count, or querying with a list of ObjectIDs, return distinct values.
	if (ioArgs.content && !ioArgs.content.returnIdsOnly && !ioArgs.content.returnCountOnly && !ioArgs.content.objectIds) {
	ioArgs.content.returnDistinctValues = true;
	}
	}
	return ioArgs;

raykendo / arcgis-jsapi-map-zoom-in-closer.js

Created May 29, 2015 21:08

ArcGIS JSAPI: Map with ESRI basemap zooming in closer than basemap allows.

	require(["esri/Map"], function (Map) {
	var map = new Map("mapdiv", {
	basemap: "streets",
	center: [-15.469, 36.428]
	lods: [
	//{
	// level: 0,
	// resolution: 156543.033928,
	// scale: 591657527.591555
	//},

raykendo / conf.xml

Created June 4, 2015 19:35

ArcGIS Server Tiled Map Service conf.xml for ESRI/Google/Bing Map Scales + 1:500 and 1:250-ish scales

	<?xml version="1.0" encoding="utf-8" ?>
	<CacheInfo xsi:type='typens:CacheInfo' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/10.1'>
	<TileCacheInfo xsi:type='typens:TileCacheInfo'>
	<SpatialReference xsi:type='typens:ProjectedCoordinateSystem'>
	<WKT>PROJCS["WGS_1984_Web_Mercator_Auxiliary_Sphere",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Mercator_Auxiliary_Sphere"],PARAMETER["False_Easting",0.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",0.0],PARAMETER["Standard_Parallel_1",0.0],PARAMETER["Auxiliary_Sphere_Type",0.0],UNIT["Meter",1.0],AUTHORITY["EPSG",3857]]</WKT>
	<XOrigin>-20037700</XOrigin>
	<YOrigin>-30241100</YOrigin>
	<XYScal

raykendo / arcgis-jsapi-webmap-extra-zoom-levels.js

Created June 9, 2015 05:32

ArcGIS JSAPI: AGOL Webmap with extra zoom levels

	require(["esri/arcgis/utils"], function (arcgisUtils) {
	// borrowed webmap id from https://developers.arcgis.com/javascript/jsapi/esri.arcgis.utils-amd.html#createmap
	arcgisUtils.createMap("c41d5f3b4e304806a047702fbfc2759e", "mapdiv", {
	usePopupManager: true, // just tossed this in there to show other webmap options
	mapOptions: {
	basemap: "streets",
	center: [-15.469, 36.428]
	lods: [
	//{
	// level: 0,

raykendo / customMeasurementDijit.js

Last active August 29, 2015 14:23

ArcGIS JSAPI: Measurement + Popup Combo

	/*
	* Custom Measurement Widget extension that connects to Popup dijit (esri/dijit/Popup),
	* retrieves the selected feature, then passes the geometry to be measured by the Measurement Dijit.
	*/
	define("custom.Measurement",
	[
	"dojo/_base/declare",
	"dojo/_base/lang",
	"esri/dijit/Measurement",
	"dojo/query",

raykendo / BigQueryTask.js

Last active February 12, 2022 00:21

ArcGIS JSAPI Hack - Getting around the 1000 results limit for queries

	/** globals define */
	define([
	"dojo/_base/declare",
	"dojo/Deferred",
	"esri/tasks/query",
	"esri/tasks/QueryTask",
	"esri/request"
	], function (
	declare, Deferred, Query, QueryTask, esriRequest
	) {

Ken Doman raykendo

Clicking on a map without clicking on a map

An ArcGIS JavaScript API hack