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smartmapping renderers

Question asked by deadkurt on Apr 10, 2018
Latest reply on Apr 11, 2018 by deadkurt

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Hi all,

getting my feet wet in the javascript API after doing my best to avoid web mapping for years.

Ive been deconstructing the class breaks visualisation sample, to try get the sizeRendererCreator running using a HTML field selection as the variable.

i.e.

<div id="infoDiv" class="esri-widget">
Select Isotope:
<select id="field-select" class="esri-widget">
<option value="S_34">Sulfur</option>
<option value="B_10">Boron</option>
<option value="P_31">Phosphorus</option></select>

Unfortunately, while it works fine on the first selection (sulfur), it fails on the 2nd and 3rd. if I juggle the fields so they are at the top of the list, the sizes work fine. Given that, it seem that a) the selected variable isnt being handed off to the jscript correctly, or b) the renderer is being created.

Ive compared the code (https://codepen.io/kurtj/pen/oqmdrZ?editors=1000 ) to the original and for the life of me I cant see what i have done wrong.

Its likely something simple. Any suggestions would be great.

Cheers

Kurt

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rscheitlin

Apr 10, 2018 6:17 AM

Kurt,

You just need to refresh the layer (line 15).

      function generateRenderer() {
        var params = {
          layer: isotopeLayer,
          field: fieldSelect.value,
          //basemap: map.basemap
        };

        // generate the renderer and set it on the layer
        sizeRendererCreator.createContinuousRenderer(params)
          .then(function(response) {
            isotopeLayer.renderer = response.renderer;
            if (!map.layers.includes(isotopeLayer)) {
              map.add(isotopeLayer);
            }
            isotopeLayer.refresh();
          });
      }

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deadkurt Apr 10, 2018 4:11 PM

Thanks Robert, I thought it might be something like that. Unfortunately its still seems to work erratically. It looks like the generaterenderer function isnt receiving the field value all the time.

I did a console log and the select is handing over the field fine and Ive also tried another point dataset with the same results (Generate a class breaks visualization - 4.6 ).

Cheers for your help.

Kurt

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rscheitlin

@ deadkurt on Apr 11, 2018 6:48 AM

Kurt,

This issue seems to be fixed in 4.7 (which you can switch to now as it will be released in the next few days). Using the 4.7 you will not even need the refresh on the layer.

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deadkurt @ rscheitlin on Apr 11, 2018 2:34 PM

Thanks very much Robert! That sorted it!

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