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I am developing an indoor positioning app. One of the features of the map is representing the collected magnetic field strength data in a view.

It is represented in the following manner:

  1. The data is collected at every 1m point along x & y (see first picture with data visualisation off)
  2. The magnetic field strength value is proportional to the hue of the colour displayed
  3. At each point a circle is drawn with the colour defined in (2)

enter image description here enter image description here

My question is - how do I represent the graphic in a smooth manner, in the second picture, you can clearly see the circular outline. Is there a way to blend the overlapping images and display something similar to the third picture.

enter image description here

dfj328
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