Add Paraview colormaps

Author: martinRenou

ipygany/__init__.py

@@ -4,6 +4,7 @@
 # Copyright (c) Martin Renou.
 # Distributed under the terms of the Modified BSD License.
 
+from .colormaps import colormaps
 from .ipygany import (  # noqa
     PolyMesh, TetraMesh, PointCloud,
     Scene,

ipygany/colormaps.py

@@ -0,0 +1,135 @@
+from traitlets.utils.bunch import Bunch
+
+colormaps = Bunch(
+    Cool_to_Warm='Cool to Warm',
+    Cool_to_Warm_Extended='Cool to Warm (Extended)',
+    Black_Body_Radiation='Black-Body Radiation',
+    X_Ray='X Ray',
+    Inferno='Inferno (matplotlib)',
+    Black_Blue_White='Black, Blue and White',
+    Blue_Orange='Blue Orange (divergent)',
+    Viridis='Viridis (matplotlib)',
+    Gray_Red='Gray and Red',
+    Linear_Green='Linear Green (Gr4L)',
+    Cold_Hot='Cold and Hot',
+    Blue_Green_Orange='Blue - Green - Orange',
+    Rainbow_Desaturated='Rainbow Desaturated',
+    Yellow_Gray_Blue='Yellow - Gray - Blue',
+    Rainbow_Uniform='Rainbow Uniform',
+    Jet='jet',
+    Warm_to_Cool='Warm to Cool',
+    Warm_to_Cool_Extended='Warm to Cool (Extended)',
+    Grayscale='Grayscale',
+    Black_Orange_White='Black, Orange and White',
+    Linear_YGB='Linear YGB 1211g',
+    Linear_Blue='Linear Blue (8_31f)',
+    Blue_to_Red_Rainbow='Blue to Red Rainbow',
+    Red_to_Blue_Rainbow='Red to Blue Rainbow',
+    Rainbow_Blended_White='Rainbow Blended White',
+    Rainbow_Blended_Grey='Rainbow Blended Grey',
+    Rainbow_Blended_Black='Rainbow Blended Black',
+    Blue_to_Yellow='Blue to Yellow',
+    Blot='blot',
+    CIELab_Blue_to_Red='CIELab Blue to Red',
+    Rainbow='rainbow',
+    ERDC_rainbow_bright='erdc_rainbow_bright',
+    ERDC_rainbow_dark='erdc_rainbow_dark',
+    NIC_CubicL='nic_CubicL',
+    NIC_CubicYF='nic_CubicYF',
+    Gist_earth='gist_earth',
+    TWOhot='2hot',
+    ERDC_red2yellow_BW='erdc_red2yellow_BW',
+    ERDC_marine2gold_BW='erdc_marine2gold_BW',
+    ERDC_blue2gold_BW='erdc_blue2gold_BW',
+    ERDC_sapphire2gold_BW='erdc_sapphire2gold_BW',
+    ERDC_red2purple_BW='erdc_red2purple_BW',
+    ERDC_purple2pink_BW='erdc_purple2pink_BW',
+    ERDC_pbj_lin='erdc_pbj_lin',
+    ERDC_blue2green_muted='erdc_blue2green_muted',
+    ERDC_blue2green_BW='erdc_blue2green_BW',
+    GREEN_WHITE_LINEAR='GREEN-WHITE_LINEAR',
+    ERDC_green2yellow_BW='erdc_green2yellow_BW',
+    Blue2cyan='blue2cyan',
+    ERDC_blue2cyan_BW='erdc_blue2cyan_BW',
+    ERDC_blue_BW='erdc_blue_BW',
+    BLUE_WHITE='BLUE-WHITE',
+    ERDC_purple_BW='erdc_purple_BW',
+    ERDC_magenta_BW='erdc_magenta_BW',
+    Magenta='magenta',
+    RED_PURPLE='RED-PURPLE',
+    ERDC_red_BW='erdc_red_BW',
+    RED_TEMPERATURE='RED_TEMPERATURE',
+    ERDC_orange_BW='erdc_orange_BW',
+    Heated_object='heated_object',
+    ERDC_gold_BW='erdc_gold_BW',
+    ERDC_brown_BW='erdc_brown_BW',
+    Copper_Matlab='copper_Matlab',
+    Pink_Matlab='pink_Matlab',
+    Bone_Matlab='bone_Matlab',
+    Gray_Matlab='gray_Matlab',
+    Purples='Purples',
+    Blues='Blues',
+    Greens='Greens',
+    PuBu='PuBu',
+    BuPu='BuPu',
+    BuGn='BuGn',
+    GnBu='GnBu',
+    GnBuPu='GnBuPu',
+    BuGnYl='BuGnYl',
+    PuRd='PuRd',
+    RdPu='RdPu',
+    Oranges='Oranges',
+    Reds='Reds',
+    RdOr='RdOr',
+    BrOrYl='BrOrYl',
+    RdOrYl='RdOrYl',
+    CIELab_blue2red='CIELab_blue2red',
+    Blue2yellow='blue2yellow',
+    ERDC_blue2gold='erdc_blue2gold',
+    ERDC_blue2yellow='erdc_blue2yellow',
+    ERDC_cyan2orange='erdc_cyan2orange',
+    ERDC_purple2green='erdc_purple2green',
+    ERDC_purple2green_dark='erdc_purple2green_dark',
+    Coolwarm='coolwarm',
+    BuRd='BuRd',
+    Spectral_lowBlue='Spectral_lowBlue',
+    GnRP='GnRP',
+    GYPi='GYPi',
+    GnYlRd='GnYlRd',
+    GBBr='GBBr',
+    PuOr='PuOr',
+    PRGn='PRGn',
+    PiYG='PiYG',
+    OrPu='OrPu',
+    BrBG='BrBG',
+    ERDC_divHi_purpleGreen='erdc_divHi_purpleGreen',
+    ERDC_divHi_purpleGreen_dim='erdc_divHi_purpleGreen_dim',
+    ERDC_divLow_icePeach='erdc_divLow_icePeach',
+    ERDC_divLow_purpleGreen='erdc_divLow_purpleGreen',
+    Haze_green='Haze_green',
+    Haze_lime='Haze_lime',
+    Haze='Haze',
+    Haze_cyan='Haze_cyan',
+    NIC_Edge='nic_Edge',
+    ERDC_iceFire_H='erdc_iceFire_H',
+    ERDC_iceFire_L='erdc_iceFire_L',
+    HSV='hsv',
+    Hue_L60='hue_L60',
+    GyRd='GyRd',
+    Muted_Blue_Green='Muted Blue-Green',
+    Green_Blue_Asymmetric_Divergent='Green-Blue Asymmetric Divergent (62Blbc)',
+    Asymmtrical_Earth_Tones='Asymmtrical Earth Tones (6_21b)',
+    Yellow_15='Yellow 15',
+    Magma='Magma (matplotlib)',
+    Plasma='Plasma (matplotlib)',
+    KAAMS_Step='KAAMS Step',
+    Spectrum_Step='Spectrum Step',
+    Warm_Step='Warm Step',
+    Cool_Step='Cool Step',
+    Blues_Step='Blues Step',
+    Wild_Flower_Step='Wild Flower Step',
+    Citrus_Step='Citrus Step',
+    Traffic_Lights_Step='Traffic Lights Step',
+    Traffic_Lights_For_Deuteranopes_Step='Traffic Lights For Deuteranopes Step',
+    Traffic_Lights_For_Deuteranopes_2_Step='Traffic Lights For Deuteranopes 2 Step'
+)

ipygany/ipygany.py

@@ -5,7 +5,7 @@
 import numpy as np
 
 from traitlets import (
-    Bool, Dict, Unicode, List, Instance, CFloat, Tuple, TraitError, Union, default, validate
+    Bool, Dict, Enum, Unicode, List, Instance, CFloat, Tuple, TraitError, Union, default, validate
 )
 from traittypes import Array
 from ipywidgets import (
@@ -18,6 +18,8 @@
 
 from ._frontend import module_version, module_name
 
+from .colormaps import colormaps
+
 FLOAT32 = 'f'
 UINT32 = 'I'
 
@@ -576,6 +578,8 @@ class IsoColor(Effect):
     min = CFloat(0.).tag(sync=True)
     max = CFloat(0.).tag(sync=True)
 
+    colormap = Enum(list(colormaps.keys()), allow_none=False, default_value=colormaps.Black_Body_Radiation).tag(sync=True)
+
     @property
     def input_dim(self):
         """Input dimension."""

src/widget.ts

@@ -508,21 +508,26 @@ class IsoColorModel extends EffectModel {
     return this.get('max');
   }
 
+  get colormap () : string {
+    return this.get('colormap');
+  }
+
   get input () {
     const input = this.get('input');
 
     return typeof input == 'string' ? input : [input];
   }
 
   createBlock () {
-    return new IsoColor(this.parent.block, this.input, this.min, this.max);
+    return new IsoColor(this.parent.block, this.input, this.min, this.max, this.colormap);
   }
 
   initEventListeners () : void {
     super.initEventListeners();
 
     this.on('change:min', () => { this.block.min = this.min; });
     this.on('change:max', () => { this.block.max = this.max; });
+    this.on('change:colormap', () => { this.block.colorMap = this.colormap; });
   }
 
   block: IsoColor;