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Show colormap previews in menu #2900

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merged 5 commits into from
Jun 3, 2024
Merged

Show colormap previews in menu #2900

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0f8acde
Try this styling inline rather than creating a new component
rosteen May 29, 2024
0994b19
Colormap now renders in menu, need to improve presentation
rosteen May 29, 2024
1d523db
Actually looks good now
rosteen May 30, 2024
936f071
Add changelog
rosteen May 30, 2024
cb18783
Fill horizontal space with preview element
rosteen May 30, 2024
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66 changes: 46 additions & 20 deletions jdaviz/configs/default/plugins/plot_options/plot_options.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -139,8 +139,8 @@
v-model="image_color_mode_value"
label="Color Mode"
hint="Whether each layer gets a single color or colormap."
persistent-hint
dense
persistent-hint
dense
>
<template v-slot:selection="{ item }">
<span>
Expand Down Expand Up @@ -476,24 +476,33 @@
v-model="image_colormap_value"
label="Colormap"
dense
></v-select>
<v-alert v-if="image_colormap_value == 'Random' && (
stretch_function_value !== 'linear' || stretch_preset_value !== 100 ||
image_bias_value !== 0.5 || image_contrast_value !== 1.0
)" type='warning' style="margin-left: -12px; margin-right: -12px">
For image segmentation maps, "Random" gives unique colors
only when the stretch percentile is min/max, stretch function
is linear, contrast is 1.0, and bias is 0.5. Click below
to choose these settings.
<v-row justify='end'>
<plugin-action-button
:results_isolated_to_plugin="true"
@click="image_segmentation_map_presets"
>
Image segmentation map
</plugin-action-button>
</v-row>
</v-alert>
>
<template v-slot:selection="{ item, index }">
<span>{{ item.text }}</span>
</template>
<template v-slot:item="{ item }">
<v-card flat :style="'background: '+ colorStyle(item, cmap_samples)" width="150" class="d-flex justify-center align-center text-center">
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<span style="color: white; font-weight: bold; text-shadow: 0px 0px 3px black">{{ item.text }}</span>
</v-card>
</template>
</v-select>
<v-alert v-if="image_colormap_value == 'Random' && (
stretch_function_value !== 'linear' || stretch_preset_value !== 100 ||
image_bias_value !== 0.5 || image_contrast_value !== 1.0
)" type='warning' style="margin-left: -12px; margin-right: -12px">
For image segmentation maps, "Random" gives unique colors
only when the stretch percentile is min/max, stretch function
is linear, contrast is 1.0, and bias is 0.5. Click below
to choose these settings.
<v-row justify='end'>
<plugin-action-button
:results_isolated_to_plugin="true"
@click="image_segmentation_map_presets"
>
Image segmentation map
</plugin-action-button>
</v-row>
</v-alert>

</glue-state-sync-wrapper>
<glue-state-sync-wrapper v-if="image_color_mode_value !== 'Colormaps' || image_color_mode_sync['mixed']" :sync="image_color_sync" :multiselect="layer_multiselect" @unmix-state="unmix_state('image_color')">
Expand Down Expand Up @@ -783,6 +792,23 @@ module.exports = {
contour_custom_levels_set_value(e) {
this.contour_custom_levels_txt = e
this.contour_custom_levels_value = e.split(',').filter(n => n.trim().length).map(n => Number(n)).filter(n => !isNaN(n))
},
colorStyle(item, cmap_samples) {
var cmap_strip_width = 3
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var colors = []
var style = 'repeating-linear-gradient( 90deg, '
colors = cmap_samples[item.value]
for ([ci, color] of colors.entries()) {
var start = ci*cmap_strip_width
var end = (ci+1)*cmap_strip_width
style += color + ' '+start+'px, ' + color + ' '+end+'px'
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if (ci !== colors.length-1) {
style += ', '
}
}
style += ')'
console.log(style)
return style
}
},
}
Expand Down
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