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[vtk-viewer] add color bar #57

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[vtk-viewer] add color bar #57

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31 changes: 31 additions & 0 deletions viplab-standalone-frontend-vue/src/components/vtk-plots/VtkComponent.vue
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Original file line number Diff line number Diff line change
Expand Up @@ -91,6 +91,7 @@ import 'vtk.js/Sources/Rendering/Profiles/Geometry';

import vtkFullScreenRenderWindow from 'vtk.js/Sources/Rendering/Misc/FullScreenRenderWindow';
import vtkActor from 'vtk.js/Sources/Rendering/Core/Actor';
import vtkScalarBarActor from 'vtk.js/Sources/Rendering/Core/ScalarBarActor';
import vtkMapper from 'vtk.js/Sources/Rendering/Core/Mapper';
import vtkColorTransferFunction from 'vtk.js/Sources/Rendering/Core/ColorTransferFunction';

Expand Down Expand Up @@ -125,6 +126,7 @@ export default {
renderer: Object,
renderWindow: Object,
actor: Object,
barActor: null,
representation: '1:2:0',
representationOptions: [
{
Expand Down Expand Up @@ -207,6 +209,12 @@ export default {
this.mapper.setLookupTable(this.lookupTable);
this.applyPreset();

const [location, name] = color.split(':');
if (location == "SolidColor")
this.removeBarActor();
else
this.makeBarActor(name);

this.renderWindow.render();
},
getMapperConfig(value) {
Expand Down Expand Up @@ -244,6 +252,29 @@ export default {
this.lookupTable.updateRange();
// console.log(this.lookupTable);
},
removeBarActor() {
if (this.barActor != null) {
this.renderer.removeActor(this.barActor);
this.barActor.delete();
}
},
makeBarActor(fieldName) {
this.removeBarActor();
this.barActor = vtkScalarBarActor.newInstance();
this.barActor.setMapper(this.mapper);
this.barActor.setAxisLabel(fieldName);
this.barActor.setScalarsToColors(this.lookupTable);
this.barActor.setVisibility(true);
this.barActor.setAutomated(false);
this.barActor.setBoxPosition([0.66, -0.5]);
let boxSize = this.barActor.getBoxSize();
let tickStyle = this.barActor.getAxisTextStyle();
boxSize[0] *= 3.0;
tickStyle.fontSize = 35;
this.barActor.setBoxSize(boxSize);
this.barActor.setTickTextStyle(tickStyle);
this.renderer.addActor(this.barActor);
},
decreaseFileIndex() {
this.fileIndex = Math.max(this.fileIndex - 1, 0);
return this.fileIndex;
Expand Down