Polygons with holes doesn't work with scattergeo, fill: 'toself' seems to be ignored. #6044

awulkiew · 2021-11-26T14:41:00Z

If polygon is defined as multiple rings in one trace, with scattergeo the relation of the rings seems to be ignored even if fill is set to toself. Such polygon is treated as multipolygon and each ring is drawn WRT the whole globe. Projection type is irrelevant. The behavior is different and correct in the case of scatter plot.

Polygon without hole:

Polygon with hole:

Polygon with hole 2:

To reproduce:

<http>
<head>
    <script src="https://cdn.plot.ly/plotly-latest.js"></script>
</head>
<body>
    <div id="plot"></div>
    <script>
        var plot = document.getElementById('plot');

        var layout = {
            geo: {
                bgcolor: '#fff',
                projection: {
                    type: 'orthographic',
                    rotation: {
                        lon: 45,
                        lat: 10
                    },
                },
                showocean: true,
                oceancolor: '#fff',
                showland: true,
                landcolor: '#fff',
                showlakes: false,
                lakecolor: '#fff',
                showcountries: true,
                lonaxis: {
                    showgrid: true,
                    gridcolor: '#555'
                },
                lataxis: {
                    showgrid: true,
                    gridcolor: '#555'
                }
            }
        };

        var traces = [{
            lon: [1,1,90,90,1,null,10,20,20,10,10],
            lat: [1,27,27,1,1,null,10,10,20,20,10],
            mode: 'lines+markers',
            type: 'scattergeo',
            fill: 'toself',
            fillcolor: '#f555',
            marker: {color: '#f55a'},
            line: {color: '#f55a'}
        }];

        Plotly.newPlot(plot, traces, layout);
    </script>
</body>
</http>

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Polygons with holes doesn't work with scattergeo, fill: 'toself' seems to be ignored. #6044

Polygons with holes doesn't work with scattergeo, fill: 'toself' seems to be ignored. #6044

awulkiew commented Nov 26, 2021 •

edited

Polygons with holes doesn't work with scattergeo, fill: 'toself' seems to be ignored. #6044

Polygons with holes doesn't work with scattergeo, fill: 'toself' seems to be ignored. #6044

Comments

awulkiew commented Nov 26, 2021 • edited

awulkiew commented Nov 26, 2021 •

edited