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Handle colorscale with transparent colors in surface traces #5166

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Merged
merged 6 commits into from
Sep 26, 2020
+171 −19
Merged

Handle colorscale with transparent colors in surface traces #5166

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54a88b1
Fixed the per-element opacity on Surface plots
lucapinello Nov 2, 2019
01bbdc5
enable transparent draw in gl-surface3d when colorscale has an item w…
archmoj Sep 24, 2020
b4781d7
add image test for handling transparent colorscales in surface, heatm…
archmoj Sep 25, 2020
13324e2
clean up function now that alpha is not used directly
archmoj Sep 25, 2020
cfe9dd1
simplify unused code blocks to handle surface transparency
archmoj Sep 26, 2020
f1236ef
bump gl-surface v1.6.0
archmoj Sep 26, 2020
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6 changes: 3 additions & 3 deletions package-lock.json
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2 changes: 1 addition & 1 deletion package.json
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Original file line number Diff line number Diff line change
@@ -90,7 +90,7 @@
"gl-select-box": "^1.0.4",
"gl-spikes2d": "^1.0.2",
"gl-streamtube3d": "^1.4.1",
"gl-surface3d": "^1.5.2",
"gl-surface3d": "^1.6.0",
"gl-text": "^1.1.8",
"glslify": "^7.1.1",
"has-hover": "^1.0.1",
11 changes: 4 additions & 7 deletions src/lib/gl_format_color.js
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Original file line number Diff line number Diff line change
@@ -76,22 +76,19 @@ function formatColor(containerIn, opacityIn, len) {
return colorOut;
}

function parseColorScale(cont, alpha) {
if(alpha === undefined) alpha = 1;

function parseColorScale(cont) {
var cOpts = Colorscale.extractOpts(cont);

var colorscale = cOpts.reversescale ?
Colorscale.flipScale(cOpts.colorscale) :
cOpts.colorscale;
var colorscale = cOpts.colorscale;
if(cOpts.reversescale) colorscale = Colorscale.flipScale(cOpts.colorscale);

return colorscale.map(function(elem) {
var index = elem[0];
var color = tinycolor(elem[1]);
var rgb = color.toRgb();
return {
index: index,
rgb: [rgb.r, rgb.g, rgb.b, alpha]
rgb: [rgb.r, rgb.g, rgb.b, rgb.a]
};
});
}
7 changes: 1 addition & 6 deletions src/traces/surface/convert.js
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Original file line number Diff line number Diff line change
@@ -433,8 +433,7 @@ proto.update = function(data) {
var scene = this.scene;
var sceneLayout = scene.fullSceneLayout;
var surface = this.surface;
var alpha = data.opacity;
var colormap = parseColorScale(data, alpha);
var colormap = parseColorScale(data);
var scaleFactor = scene.dataScale;
var xlen = data.z[0].length;
var ylen = data._ylength;
@@ -679,10 +678,6 @@ proto.update = function(data) {
if('lightposition' in data) {
surface.lightPosition = [data.lightposition.x, data.lightposition.y, data.lightposition.z];
}

if(alpha && alpha < 1) {
surface.supportsTransparency = true;
}
};

proto.dispose = function() {
Binary file added test/image/baselines/gl3d_surface-heatmap-treemap_transparent-colorscale.png
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3 changes: 1 addition & 2 deletions test/image/compare_pixels_test.js
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Original file line number Diff line number Diff line change
@@ -102,9 +102,8 @@ if(allMock || argv.filter) {

var FLAKY_LIST = [
'treemap_coffee',
'treemap_textposition',
'treemap_sunburst_marker_colors',
'treemap_with-without_values',
'gl3d_directions-streamtube1',
];

console.log('');
159 changes: 159 additions & 0 deletions test/image/mocks/gl3d_surface-heatmap-treemap_transparent-colorscale.json
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Original file line number Diff line number Diff line change
@@ -0,0 +1,159 @@
{
"data": [
{
"type": "treemap",
"labels": [
"Alpha",
"Bravo",
"Charlie",
"Delta",
"Echo",
"Foxtrot",
"Golf",
"Hotel",
"India",
"Juliet",
"Kilo",
"Lima",
"Mike",
"November",
"Oscar",
"Papa",
"Quebec",
"Romeo",
"Sierra",
"Tango",
"Uniform",
"Victor",
"Whiskey",
"X ray",
"Yankee",
"Zulu"
],
"parents": [
"",
"Alpha",
"Alpha",
"Charlie",
"Charlie",
"Charlie",
"Foxtrot",
"Foxtrot",
"Foxtrot",
"Foxtrot",
"Juliet",
"Juliet",
"Juliet",
"Juliet",
"Juliet",
"Oscar",
"Oscar",
"Oscar",
"Oscar",
"Oscar",
"Oscar",
"Uniform",
"Uniform",
"Uniform",
"Uniform",
"Uniform",
"Uniform"
],
"level": "Juliet",
"count": "leaves+branches",
"textinfo": "label",
"insidetextorientation": "horizontal",
"marker": {
"line": {
"color": "#777"
},
"colorscale": [
[0, "rgba(0,0,255,1)"],
[0.5, "rgba(0,255,0,0.0)"],
[1, "rgba(255,0,0,1)"]
],
"showscale": false
},
"domain": {
"x": [0, 0.3]
}
},
{
"type": "heatmap",
"zsmooth": "best",
"coloraxis": "coloraxis",
"contours": {
"z": {
"show": true
}
},
"x": [0, 0.25, 0.5, 0.75, 1],
"y": [0, 0.25, 0.5, 0.75, 1],
"z": [
[0, 0, 0, 0, 0],
[0, 0.1, 0.8, 0.7, 0],
[0, 0.2, 0, 0.6, 0],
[0, 0.3, 0.4, 0.5, 0],
[0, 0, 0, 0, 0]
]
},
{
"type": "surface",
"coloraxis": "coloraxis",
"contours": {
"z": {
"show": true
}
},
"x": [0, 0.25, 0.5, 0.75, 1],
"y": [0, 0.25, 0.5, 0.75, 1],
"z": [
[0, 0, 0, 0, 0],
[0, 0.1, 0.8, 0.7, 0],
[0, 0.2, 0, 0.6, 0],
[0, 0.3, 0.4, 0.5, 0],
[0, 0, 0, 0, 0]
]
}
],
"layout": {
"width": 1000,
"height": 350,
"title": {
"text": "treemap, heatmap & surface plots with transparent colorscale"
},
"coloraxis": {
"colorscale": [
[0, "rgba(0,0,255,1)"],
[0.5, "rgba(0,255,0,0.0)"],
[1, "rgba(255,0,0,1)"]
]
},
"margin": {
"t": 75,
"l": 25,
"r": 25,
"b": 25
},
"xaxis": {
"domain": [0.35, 0.65]
},
"scene": {
"domain": {
"x": [0.7, 1]
},
"camera": {
"eye": {
"x": 0,
"y": 0,
"z": 2
},
"up": {
"x": 0,
"y": 1,
"z": 0
}
}
}
}
}
2 changes: 2 additions & 0 deletions test/jasmine/tests/mock_test.js
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Original file line number Diff line number Diff line change
@@ -562,6 +562,7 @@ var list = [
'gl3d_surface_transparent-with-contours',
'gl3d_surface-circular-colorscale',
'gl3d_surface-circular-opacityscale',
'gl3d_surface-heatmap-treemap_transparent-colorscale',
'gl3d_surface-lighting',
'gl3d_tetrahedra',
'gl3d_text-weirdness',
@@ -1614,6 +1615,7 @@ figs['gl3d_surface_opacity_match_mesh3d'] = require('@mocks/gl3d_surface_opacity
figs['gl3d_surface_transparent-with-contours'] = require('@mocks/gl3d_surface_transparent-with-contours');
figs['gl3d_surface-circular-colorscale'] = require('@mocks/gl3d_surface-circular-colorscale');
figs['gl3d_surface-circular-opacityscale'] = require('@mocks/gl3d_surface-circular-opacityscale');
// figs['gl3d_surface-heatmap-treemap_transparent-colorscale'] = require('@mocks/gl3d_surface-heatmap-treemap_transparent-colorscale');
// figs['gl3d_surface-lighting'] = require('@mocks/gl3d_surface-lighting');
figs['gl3d_tetrahedra'] = require('@mocks/gl3d_tetrahedra');
figs['gl3d_text-weirdness'] = require('@mocks/gl3d_text-weirdness');