2

I have a basemap layer that I published and placed on my application and this layer has a number of blank areas that shows up as white areas since the background of the layer itself is white.

Is there any way of changing this to a different color such as black?

I tried changing the data frame color before publishing the layer however this had no impact on the application itself.

3

Quite simple , Just Add a line of css in your webApp in which you change the background of the map div container :

if you're using js api 2.x-3.x :

#map_root {
  background-color:black;
}

if you're using js api 4.x :

.esri-view-root {
  background-color:black;
}
  • This did the trick thanks! As for some reason the color wasn't being changed for be in map initialization in the js file. – Maeglin77 Mar 10 '17 at 10:29
-1

[api 4.x :] You can change the background basemap by finding the class containing the background and changing them in style or file css. I hope it helps you.

.esri-display-object{ background:#111; //background black }

We're looking for long answers that provide some explanation and context. Don't just give a one-line answer; explain why your answer is right, ideally with citations. Answers that don't include explanations may be removed.

  • 1
    This could be a valid answer, but it lacks any explanation, especially considering there's already an answer for the 4.x API and this is different (ie. why should this one be used instead?) – Evil Genius Jun 13 '18 at 11:30
  • 1
    agree that is could indeed be a correct and valid answer but there is little explanation as to what is going on – Sam Jun 13 '18 at 12:16

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