javascript smart mapping color ramp

[DavidChevrier]

Hi,

  I'm using the new smartMapping createClassedColorRender, but don't like the color ramp options that come for the default basemaps.  How can I change the color ramp to a simple dark blue to red ramp?

This is how I'm creating the renderer now (its for a feature layer)

Thanks,

-dave

smartMapping.createClassedColorRenderer({

  layer: featureLayer,

  field: fieldName,

  basemap: "oceans",

  classificationMethod: "natural-breaks",

  numClasses: 10

}).then(function (response) {

  featureLayer.setRenderer(response.renderer);

  featureLayer.redraw();

  createLegend(map, featureLayer, fieldName);

});

map.addLayer(featureLayer);

[ChrisSmith7]

It seems that you might be able to using scheme:

esri/renderers/smartMapping | API Reference | ArcGIS API for JavaScript

I wasn't able to pull an example, though - looking into that now...

[DavidChevrier]

I saw that and was thinking the same thing.  However I wasn't about exactly how to do that.  An example would be awesome though!

[ChrisSmith7]

I quickly gave a stab at what I think it's expecting based on the documentation, but it's throwing an error - "Error: smartMapping.createClassedColorRenderer: unable to find suitable colors for number of classes."

ArcGIS API for JavaScript Sandbox

 function createRenderer(field) {
  //smart mapping functionality begins
  smartMapping.createClassedColorRenderer({
    layer: layer,
    field: field,
    basemap: map.getBasemap(),
    classificationMethod: "quantile",
    scheme: 
   {
  primaryScheme: 
  { 
  colorsForClassBreaks: 
  {
  numClasses: 5,
  colors:
  [
  new Color("#FFE6E6"),
  new Color("#FFB2B2"),
  new Color("#FF8080"),
  new Color("#FF4D4D"),
  new Color("#FF1919")
  ]
  }
  }
   }
  }).then(function (response) {
    layer.setRenderer(response.renderer);
    layer.redraw();
    createLegend(map, layer, field);
  });
 }

[SatyanarayanaNarmala]

Hi all

i too have same problem with colorramp in smart mapping, as well as how to change the range values.

[SteveLewis]

We've recently implemented  SmartMapping in the JavaScript API.  Super cool 

We're also stuck and unable to change color ramp (except for using base map) in the JavaScript API?   Anybody having any luck in the red to blue?

[DavidChevrier]

I'm glad other people are running into this problem.  I haven't been able to come up with a solution, but will need to soon.  I'm hoping someone from esri's development team chimes in.