Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | import type * as Types from '../types';
import cache from '../cache/cache';
import { ImageVolume } from '../cache/classes/ImageVolume';
import { ViewportType } from '../enums';
/**
* Converts a volume viewport to a stack viewport.
*
* @param params - The parameters for the conversion.
* @param params.viewport - The volume viewport to convert.
* @param params.options - The conversion options.
* @param [params.options.viewportId] - The new stackViewportId, If not provided, the volume viewport id will be used.
* @param [params.options.background] - The background color of the stack viewport.
* @param [params.options.decache] - Whether to decache the volume. Defaults to false.
*
* @returns The converted stack viewport.
*/
async function convertVolumeToStackViewport({
viewport,
options,
}: {
viewport: Types.IVolumeViewport;
options: {
viewportId?: string;
background?: Types.Point3;
};
}): Promise<Types.IStackViewport> {
const volumeViewport = viewport;
const { id, element } = volumeViewport;
const renderingEngine = viewport.getRenderingEngine();
const { background } = options;
const viewportId = options.viewportId || id;
const volume = cache.getVolume(volumeViewport.getVolumeId());
if (!(volume instanceof ImageVolume)) {
throw new Error(
'Currently, you cannot decache a volume that is not an ImageVolume. So, unfortunately, volumes such as nifti (which are basic Volume, without imageIds) cannot be decached.'
);
}
const viewportInput = {
viewportId,
type: ViewportType.STACK,
element,
defaultOptions: {
background,
},
};
const prevView = volumeViewport.getViewReference();
renderingEngine.enableElement(viewportInput);
// Get the stack viewport that was created
const stackViewport = renderingEngine.getViewport(
viewportId
) as Types.IStackViewport;
await stackViewport.setStack(volume.imageIds);
stackViewport.setViewReference(prevView);
stackViewport.render();
return stackViewport;
}
export { convertVolumeToStackViewport };
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