Is it possible to change the transparency of a layer in a web map with ArcGIS API for Python? I see I can add a layer Working with web maps and web scenes | ArcGIS for Developers but need to adjust the transparency after adding it.
And the answer is yes. Below snippet updates a web layers symbology every 5 mniutes based on some numpy arrays (generated elsewhere).
<SPAN class="keyword token">with</SPAN> open<SPAN class="punctuation token">(</SPAN>out_fold<SPAN class="operator token">+</SPAN><SPAN class="string token">'/JSON/NEXRAD_SYMBOLS.json'</SPAN><SPAN class="punctuation token">,</SPAN><SPAN class="string token">'r'</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">as</SPAN> f<SPAN class="punctuation token">:</SPAN> data <SPAN class="operator token">=</SPAN> json<SPAN class="punctuation token">.</SPAN>load<SPAN class="punctuation token">(</SPAN>f<SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">with</SPAN> open<SPAN class="punctuation token">(</SPAN>out_fold<SPAN class="operator token">+</SPAN><SPAN class="string token">'/JSON/NEXRAD_SYMBOLS.json'</SPAN><SPAN class="punctuation token">,</SPAN><SPAN class="string token">'w'</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">as</SPAN> f<SPAN class="punctuation token">:</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"value"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> stMinValue data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"value"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> x data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"value"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> y data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">3</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"value"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> z data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">4</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"value"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> stMaxValue data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"label"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> <SPAN class="string token">"<"</SPAN><SPAN class="operator token">+</SPAN>str<SPAN class="punctuation token">(</SPAN>round<SPAN class="punctuation token">(</SPAN>stMinValue<SPAN class="punctuation token">,</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"label"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> str<SPAN class="punctuation token">(</SPAN>round<SPAN class="punctuation token">(</SPAN>x<SPAN class="punctuation token">,</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"label"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> str<SPAN class="punctuation token">(</SPAN>round<SPAN class="punctuation token">(</SPAN>y<SPAN class="punctuation token">,</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">3</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"label"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> str<SPAN class="punctuation token">(</SPAN>round<SPAN class="punctuation token">(</SPAN>z<SPAN class="punctuation token">,</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">4</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"label"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> <SPAN class="string token">">"</SPAN><SPAN class="operator token">+</SPAN>str<SPAN class="punctuation token">(</SPAN>round<SPAN class="punctuation token">(</SPAN>stMaxValue<SPAN class="punctuation token">,</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"authoringInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"minSliderValue"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> round<SPAN class="punctuation token">(</SPAN>stMinValue<SPAN class="punctuation token">,</SPAN><SPAN class="number token">3</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"authoringInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"maxSliderValue"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> round<SPAN class="punctuation token">(</SPAN>stMaxValue<SPAN class="punctuation token">,</SPAN><SPAN class="number token">3</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"value"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> prMinValue data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"value"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> c data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"value"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> d data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">3</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"value"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> e data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">4</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"value"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> prMaxValue data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"label"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> <SPAN class="string token">"<"</SPAN><SPAN class="operator token">+</SPAN>str<SPAN class="punctuation token">(</SPAN>round<SPAN class="punctuation token">(</SPAN>prMinValue<SPAN class="punctuation token">,</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">1</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"label"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> str<SPAN class="punctuation token">(</SPAN>round<SPAN class="punctuation token">(</SPAN>c<SPAN class="punctuation token">,</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"label"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> str<SPAN class="punctuation token">(</SPAN>round<SPAN class="punctuation token">(</SPAN>d<SPAN class="punctuation token">,</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">3</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"label"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> str<SPAN class="punctuation token">(</SPAN>round<SPAN class="punctuation token">(</SPAN>e<SPAN class="punctuation token">,</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"stops"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">4</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"label"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> <SPAN class="string token">">"</SPAN><SPAN class="operator token">+</SPAN>str<SPAN class="punctuation token">(</SPAN>round<SPAN class="punctuation token">(</SPAN>prMaxValue<SPAN class="punctuation token">,</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"authoringInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"minSliderValue"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> round<SPAN class="punctuation token">(</SPAN>prMinValue<SPAN class="punctuation token">,</SPAN><SPAN class="number token">3</SPAN><SPAN class="punctuation token">)</SPAN> data<SPAN class="punctuation token">[</SPAN><SPAN class="string token">"operationalLayers"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">2</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"layerDefinition"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"drawingInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"renderer"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"authoringInfo"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"visualVariables"</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">[</SPAN><SPAN class="string token">"maxSliderValue"</SPAN><SPAN class="punctuation token">]</SPAN> <SPAN class="operator token">=</SPAN> round<SPAN class="punctuation token">(</SPAN>prMaxValue<SPAN class="punctuation token">,</SPAN><SPAN class="number token">3</SPAN><SPAN class="punctuation token">)</SPAN> f<SPAN class="punctuation token">.</SPAN>write<SPAN class="punctuation token">(</SPAN>json<SPAN class="punctuation token">.</SPAN>dumps<SPAN class="punctuation token">(</SPAN>data<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> f<SPAN class="punctuation token">.</SPAN>close<SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">def</SPAN> <SPAN class="token function">search_item</SPAN><SPAN class="punctuation token">(</SPAN>conn<SPAN class="punctuation token">,</SPAN>layer_name<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">:</SPAN> search_results <SPAN class="operator token">=</SPAN> conn<SPAN class="punctuation token">.</SPAN>content<SPAN class="punctuation token">.</SPAN>search<SPAN class="punctuation token">(</SPAN>layer_name<SPAN class="punctuation token">,</SPAN> item_type<SPAN class="operator token">=</SPAN><SPAN class="string token">'Web Map'</SPAN><SPAN class="punctuation token">)</SPAN> proper_index <SPAN class="operator token">=</SPAN> <SPAN class="punctuation token">[</SPAN>i <SPAN class="keyword token">for</SPAN> i<SPAN class="punctuation token">,</SPAN> s <SPAN class="keyword token">in</SPAN> enumerate<SPAN class="punctuation token">(</SPAN>search_results<SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">if</SPAN> <SPAN class="string token">'"'</SPAN><SPAN class="operator token">+</SPAN>layer_name<SPAN class="operator token">+</SPAN><SPAN class="string token">'"'</SPAN> <SPAN class="keyword token">in</SPAN> str<SPAN class="punctuation token">(</SPAN>s<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">]</SPAN> found_item <SPAN class="operator token">=</SPAN> search_results<SPAN class="punctuation token">[</SPAN>proper_index<SPAN class="punctuation token">[</SPAN><SPAN class="number token">0</SPAN><SPAN class="punctuation token">]</SPAN><SPAN class="punctuation token">]</SPAN> get_item <SPAN class="operator token">=</SPAN> conn<SPAN class="punctuation token">.</SPAN>content<SPAN class="punctuation token">.</SPAN>get<SPAN class="punctuation token">(</SPAN>found_item<SPAN class="punctuation token">.</SPAN>id<SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">return</SPAN> get_item <SPAN class="keyword token">def</SPAN> <SPAN class="token function">update_wm_layerdef</SPAN><SPAN class="punctuation token">(</SPAN>item<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">:</SPAN> item_data <SPAN class="operator token">=</SPAN> item<SPAN class="punctuation token">.</SPAN>get_data<SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">print</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="string token">"*******************ORIGINAL DEFINITION*********************"</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">print</SPAN><SPAN class="punctuation token">(</SPAN>json<SPAN class="punctuation token">.</SPAN>dumps<SPAN class="punctuation token">(</SPAN>item_data<SPAN class="punctuation token">,</SPAN> indent<SPAN class="operator token">=</SPAN><SPAN class="number token">4</SPAN><SPAN class="punctuation token">,</SPAN> sort_keys<SPAN class="operator token">=</SPAN><SPAN class="token boolean">True</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">with</SPAN> open<SPAN class="punctuation token">(</SPAN>out_fold<SPAN class="operator token">+</SPAN><SPAN class="string token">'/JSON/NEXRAD_SYMBOLS.json'</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">as</SPAN> json_data<SPAN class="punctuation token">:</SPAN> data <SPAN class="operator token">=</SPAN> json<SPAN class="punctuation token">.</SPAN>load<SPAN class="punctuation token">(</SPAN>json_data<SPAN class="punctuation token">)</SPAN> item_properties <SPAN class="operator token">=</SPAN> <SPAN class="punctuation token">{</SPAN><SPAN class="string token">"text"</SPAN><SPAN class="punctuation token">:</SPAN> json<SPAN class="punctuation token">.</SPAN>dumps<SPAN class="punctuation token">(</SPAN>data<SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">}</SPAN> item<SPAN class="punctuation token">.</SPAN>update<SPAN class="punctuation token">(</SPAN>item_properties<SPAN class="operator token">=</SPAN>item_properties<SPAN class="punctuation token">)</SPAN> new_item_data <SPAN class="operator token">=</SPAN> item<SPAN class="punctuation token">.</SPAN>get_data<SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">print</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="string token">"***********************NEW DEFINITION**********************"</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">print</SPAN><SPAN class="punctuation token">(</SPAN>json<SPAN class="punctuation token">.</SPAN>dumps<SPAN class="punctuation token">(</SPAN>new_item_data<SPAN class="punctuation token">,</SPAN> indent<SPAN class="operator token">=</SPAN><SPAN class="number token">4</SPAN><SPAN class="punctuation token">,</SPAN> sort_keys<SPAN class="operator token">=</SPAN><SPAN class="token boolean">True</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">print</SPAN><SPAN class="punctuation token">(</SPAN>datetime<SPAN class="punctuation token">.</SPAN>now<SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="operator token">-</SPAN>starttime<SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">def</SPAN> <SPAN class="token function">main</SPAN><SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">:</SPAN> conn <SPAN class="operator token">=</SPAN> GIS<SPAN class="punctuation token">(</SPAN><SPAN class="string token">"https://www.arcgis.com"</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"user"</SPAN><SPAN class="punctuation token">,</SPAN> <SPAN class="string token">"pass"</SPAN><SPAN class="punctuation token">)</SPAN> item <SPAN class="operator token">=</SPAN> search_item<SPAN class="punctuation token">(</SPAN>conn<SPAN class="punctuation token">,</SPAN> <SPAN class="string token">'GRSM_STORM_TOTAL_PRECIPITATION_MAP'</SPAN><SPAN class="punctuation token">)</SPAN> update_wm_layerdef<SPAN class="punctuation token">(</SPAN>item<SPAN class="punctuation token">)</SPAN> <SPAN class="keyword token">if</SPAN> __name__ <SPAN class="operator token">==</SPAN> <SPAN class="string token">'__main__'</SPAN><SPAN class="punctuation token">:</SPAN> sys<SPAN class="punctuation token">.</SPAN>exit<SPAN class="punctuation token">(</SPAN>main<SPAN class="punctuation token">(</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="punctuation token">)</SPAN><SPAN class="line-numbers-rows"><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN><SPAN></SPAN></SPAN>
See... a change of venue and you came up with it
Thomas Colson I moved this question to ArcGIS API for Python to see if it gets any attention
Angemeldete Mitglieder können Beiträge verfassen, Updates folgen und mehr. Neu hier? Registriere ein kostenloses Konto.
Find useful guides, FAQs, and documents to help you navigate and make the most of Esri Community.
