@xeokit/xeokit-sdk/src/viewer/scene/model/dtx/lines/dataTextureRamStats.js

3D BIM IFC Viewer SDK for AEC engineering applications. Open Source JavaScript Toolkit based on pure WebGL for top performance, real-world coordinates and full double precision

export const dataTextureRamStats = {
    sizeDataColorsAndFlags: 0,
    sizeDataPositionDecodeMatrices: 0,
    sizeDataTextureOffsets: 0,
    sizeDataTexturePositions: 0,
    sizeDataTextureIndices: 0,
    sizeDataTexturePortionIds: 0,
    numberOfGeometries: 0,
    numberOfPortions: 0,
    numberOfLayers: 0,
    numberOfTextures: 0,
    totalLines: 0,
    totalLines8Bits: 0,
    totalLines16Bits: 0,
    totalLines32Bits: 0,
    cannotCreatePortion: {
        because10BitsObjectId: 0,
        becauseTextureSize: 0,
    },
    overheadSizeAlignementIndices: 0,
    overheadSizeAlignementEdgeIndices: 0,
};

window.printDataTextureRamStats = function () {

    console.log(JSON.stringify(dataTextureRamStats, null, 4));

    let totalRamSize = 0;

    Object.keys(dataTextureRamStats).forEach(key => {
        if (key.startsWith("size")) {
            totalRamSize += dataTextureRamStats[key];
        }
    });

    console.log(`Total size ${totalRamSize} bytes (${(totalRamSize / 1000 / 1000).toFixed(2)} MB)`);
    console.log(`Avg bytes / triangle: ${(totalRamSize / dataTextureRamStats.totalLines).toFixed(2)}`);

    let percentualRamStats = {};

    Object.keys(dataTextureRamStats).forEach(key => {
        if (key.startsWith("size")) {
            percentualRamStats[key] =
                `${(dataTextureRamStats[key] / totalRamSize * 100).toFixed(2)} % of total`;
        }
    });

    console.log(JSON.stringify({percentualRamUsage: percentualRamStats}, null, 4));
};