ArcGIS API for JavaScript: What Have You Done for Me Lately?

ArcGIS API for JavaScript: What Have You Done for Me Lately? Derek Swingley – @derekswingley Jerome Yang – @jeromyang

Overview • Five

releases in the last ~year • Simplifying workflows • Better data visualization tools • Access to advanced analysis tools

Simpler – Circles (3.8)

Circles can be hard

Simpler – events (3.5)

Simpler – events (3.9)

Querying – point and distance (3.9)

Querying – geometry and distance (3.9)

Querying – extent of results (3.9)

Query Paging (3.9)

Simpler – proxying (3.4)

Simpler – layer refreshing (3.7)

Simpler – LabelLayer (3.7)

Data Visualization • Three

new properties on renderer

- Rotation - Proportional - Color

• Dot

symbol

(ramp)

density renderer • Scale dependent renderer • Stylize features with CSS

Rotation

0°

0°

Geographic

Arithmetic

Proportional Symbol Distance-based quantity

Non-distance-based quantity

Continuous Color (color ramp)

Dot Density

Scale Dependent Renderer

Set SVG Path for SimpleMarkerSymbol http://raphaeljs.com/icons/

Stylize Features with CSS JavaScript

CSS

Analysis

Analysis