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Thanks,

Alex


On Mon, Jul 10, 2017 at 9:35 AM, Marieke Laengner <
[email protected]> wrote:

> Hi,
>
> I wrote a script in Google Earth Engine which performs a landuse
> classification. I gave every class its own color (e.g. urban areas = red).
> For the web application using Google App Engine I had to translate the
> javascript script to python and I don't know how to add the color palette
> to my classification result here.
>
> The following javascript code worked in GEE:
>
>
>  // 2) Create colored Classification image
>
>   var PALETTE = [
>       '#ffffff', // no data
>       '#FFFFFF', // clouds
>       '#D3D3D3', // Elevated areas (>900m)
>       '#87CEFA', // water
>       '#9ACD32', // agriculture
>       '#006400', // vegetation (cropland and forest)
>       '#FFFF00', // Shore areas
>       'cc0013', // urban
>       '#A52A2A', // bare land
>   ].join(',');
>
>   var vis_params = {min: 0, max: 8, palette: PALETTE};
>
> Map.addLayer(finalImage, vis_params, 'Landuse classification');
>
>
> In Google App Engine I tried it like this (the color codes are not the
> right colors yet, I only put them there to test it):
>
>
> # 2) Create colored Classification image
>
>     PALETTE = ['F0F8FF','FAEBD7','00FFFF', 'F0F8FF', 'FAEBD7', '00FFFF',
> 'F0F8FF', '00FFFF', '00FFFF',]
>
>   # Visualization
>
>     DTCfinal_viz = DTCfinal.getMapId({
>           'min': 0,
>           'max': 8,
>           'palette': 'PALETTE',
>           'bands': ','.join(['constant'])
>       })
>     layers.append({
>           'mapid': DTCfinal_viz['mapid'],
>           'label': 'DTC final',
>           'token': DTCfinal_viz['token']
>       })
>
>
> It doesn't work.
>
> Does someone has an idea how I can color my classification result?
>
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