feat: swappable colour schemes
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@@ -0,0 +1,205 @@
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#include <vtkLookupTable.h>
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#include <vtkColorTransferFunction.h>
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#include "luts.h"
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// LGlyph tables
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vtkSmartPointer<vtkLookupTable> buildComplementary() {
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// uses a modified navia colour map as base.
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// https://www.fabiocrameri.ch/colourmaps/
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vtkNew<vtkLookupTable> lut;
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lut->SetNumberOfColors(100);
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lut->SetTableRange(0, 99);
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lut->SetScaleToLinear();
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lut->Build();
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vtkNew<vtkColorTransferFunction> colorTransferFunction;
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colorTransferFunction->AddRGBPoint(0, 0.317647, 0.52549, 0.329412);
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colorTransferFunction->AddRGBPoint(49, 0.584, 0.584, 0.584);
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double c[3];
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int idx=0;
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for (double notBeached=1; notBeached >= 0.5; notBeached-=0.5) {
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for (int i=0; i < 50; i++) {
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colorTransferFunction->GetColor(i, c);
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lut->SetTableValue(idx++, c[0], c[1], c[2], notBeached);
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}
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}
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lut->UseBelowRangeColorOn();
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lut->SetBelowRangeColor(1,1,1,0);
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lut->SetNanColor(0.0,0,0,0);
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return lut;
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}
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vtkSmartPointer<vtkLookupTable> buildDesaturated() {
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// uses the grayC colour map.
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// https://www.fabiocrameri.ch/colourmaps/
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vtkNew<vtkLookupTable> lut;
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lut->SetNumberOfColors(100);
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lut->SetTableRange(0, 99);
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lut->SetScaleToLinear();
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lut->Build();
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vtkNew<vtkColorTransferFunction> colorTransferFunction;
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colorTransferFunction->AddRGBPoint(0, 0.313725, 0.313725, 0.313725);
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colorTransferFunction->AddRGBPoint(49, 0.909804, 0.909804, 0.909804);
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double c[3];
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int idx=0;
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for (double notBeached=1; notBeached >= 0.5; notBeached-=0.5) {
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for (int i=0; i < 50; i++) {
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colorTransferFunction->GetColor(i, c);
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lut->SetTableValue(idx++, c[0], c[1], c[2], notBeached);
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}
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}
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lut->UseBelowRangeColorOn();
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lut->SetBelowRangeColor(1,1,1,0);
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lut->SetNanColor(0.0,0,0,0);
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return lut;
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}
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// ECol tables
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vtkSmartPointer<vtkLookupTable> buildCyclicComplementary() {
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// uses the corkO cyclic colour map
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// https://www.fabiocrameri.ch/colourmaps/
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vtkNew<vtkLookupTable> lut;
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lut->SetNumberOfColors(100);
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lut->SetTableRange(0, 99);
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lut->SetScaleToLinear();
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lut->Build();
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int idx=0;
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for (double opacity=0.1; opacity <= 1.0; opacity+=0.1) {
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lut->SetTableValue(idx++, 0, 1, 1, opacity);
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lut->SetTableValue(idx++, 0, 0.9, 0.9, opacity);
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lut->SetTableValue(idx++, 0, 0.8, 0.8, opacity);
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lut->SetTableValue(idx++, 0, 0.7, 0.7, opacity);
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lut->SetTableValue(idx++, 0, 0.6, 0.6, opacity);
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lut->SetTableValue(idx++, 0, 0.5, 0.5, opacity);
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lut->SetTableValue(idx++, 0, 0.4, 0.4, opacity);
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lut->SetTableValue(idx++, 0, 0.3, 0.3, opacity);
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lut->SetTableValue(idx++, 0, 0.2, 0.2, opacity);
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lut->SetTableValue(idx++, 0, 0.1, 0.1, opacity);
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}
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lut->SetNanColor(0.0,0,0,0);
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return lut;
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}
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vtkSmartPointer<vtkLookupTable> buildCyclicContrasting() {
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// uses the romaO cyclic colour map.
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// https://www.fabiocrameri.ch/colourmaps/
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vtkNew<vtkLookupTable> lut;
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lut->SetNumberOfColors(100.0);
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lut->SetTableRange(0.0, 99);
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lut->SetScaleToLinear();
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lut->Build();
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int idx=0.0;
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for (double opacity=0.1; opacity <= 1.0; opacity+=0.1) {
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lut->SetTableValue(idx++, 0.45098, 0.223529, 0.341176, opacity);
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lut->SetTableValue(idx++, 0.529412, 0.25098, 0.215686, opacity);
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lut->SetTableValue(idx++, 0.639216, 0.403922, 0.172549, opacity);
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lut->SetTableValue(idx++, 0.764706, 0.639216, 0.294118, opacity);
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lut->SetTableValue(idx++, 0.839216, 0.847059, 0.576471, opacity);
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lut->SetTableValue(idx++, 0.705882, 0.870588, 0.776471, opacity);
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lut->SetTableValue(idx++, 0.454902, 0.733333, 0.803922, opacity);
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lut->SetTableValue(idx++, 0.309804, 0.533333, 0.72549, opacity);
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lut->SetTableValue(idx++, 0.360784, 0.32549, 0.545098, opacity);
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lut->SetTableValue(idx++, 0.447059, 0.223529, 0.34902, opacity);
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}
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lut->SetNanColor(0.0,0,0,0);
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return lut;
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}
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vtkSmartPointer<vtkLookupTable> buildCyclicMonochromatic() {
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// uses a slightly modified 9-class blues
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// https://colorbrewer2.org/#type=sequential&scheme=Blues&n=9
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vtkNew<vtkLookupTable> lut;
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lut->SetNumberOfColors(100.0);
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lut->SetTableRange(0.0, 99);
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lut->SetScaleToLinear();
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lut->Build();
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int idx=0.0;
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for (double opacity=0.1; opacity <= 1.0; opacity+=0.1) {
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lut->SetTableValue(idx++, 0.258824, 0.572549, 0.776471, opacity);
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lut->SetTableValue(idx++, 0.129412, 0.443137, 0.709804, opacity);
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lut->SetTableValue(idx++, 0.031373, 0.317647, 0.611765, opacity);
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lut->SetTableValue(idx++, 0.031373, 0.188235, 0.419608, opacity);
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lut->SetTableValue(idx++, 0.968627, 0.984314, 1.0, opacity);
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lut->SetTableValue(idx++, 0.870588, 0.921569, 0.968627, opacity);
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lut->SetTableValue(idx++, 0.776471, 0.858824, 0.937255, opacity);
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lut->SetTableValue(idx++, 0.619608, 0.792157, 0.882353, opacity);
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lut->SetTableValue(idx++, 0.419608, 0.682353, 0.839216, opacity);
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lut->SetTableValue(idx++, 0.180392, 0.494118, 0.698039, opacity);
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}
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lut->SetNanColor(0.0,0,0,0);
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return lut;
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}
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vtkSmartPointer<vtkLookupTable> buildCyclicDesaturated() {
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// uses a modified brocO colour map
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// https://www.fabiocrameri.ch/colourmaps/
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vtkNew<vtkLookupTable> lut;
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lut->SetNumberOfColors(100.0);
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lut->SetTableRange(0.0, 99);
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lut->SetScaleToLinear();
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lut->Build();
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int idx=0.0;
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for (double opacity=0.1; opacity <= 1.0; opacity+=0.1) {
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lut->SetTableValue(idx++, 44, 44, 44, opacity);
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lut->SetTableValue(idx++, 56, 56, 56, opacity);
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lut->SetTableValue(idx++, 85, 85, 85, opacity);
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lut->SetTableValue(idx++, 114, 114, 114, opacity);
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lut->SetTableValue(idx++, 149, 149, 149, opacity);
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lut->SetTableValue(idx++, 146, 146, 146, opacity);
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lut->SetTableValue(idx++, 110, 110, 110, opacity);
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lut->SetTableValue(idx++, 78, 78, 78, opacity);
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lut->SetTableValue(idx++, 52, 52, 52, opacity);
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lut->SetTableValue(idx++, 45, 45, 45, opacity);
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}
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lut->SetNanColor(0.0,0,0,0);
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return lut;
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}
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// LCol tables
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vtkSmartPointer<vtkLookupTable> buildDensityComplementary() {
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vtkNew<vtkLookupTable> lut;
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return lut;
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}
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vtkSmartPointer<vtkLookupTable> buildDensityContrasting() {
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vtkNew<vtkLookupTable> lut;
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return lut;
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}
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vtkSmartPointer<vtkLookupTable> buildDensityMonochromatic() {
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vtkNew<vtkLookupTable> lut;
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return lut;
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}
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vtkSmartPointer<vtkLookupTable> buildDensityDesaturated() {
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vtkNew<vtkLookupTable> lut;
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return lut;
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}
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