import { gStyle, settings, kNoZoom, kInspect } from '../core.mjs';
import { Matrix4, Mesh, MeshBasicMaterial, MeshLambertMaterial, SphereGeometry,
LineBasicMaterial, BufferAttribute, BufferGeometry } from '../three.mjs';
import { floatToString, TRandom } from '../base/BasePainter.mjs';
import { ensureRCanvas } from '../gpad/RCanvasPainter.mjs';
import { RAxisPainter } from '../gpad/RAxisPainter.mjs';
import { RHistPainter } from '../hist2d/RHistPainter.mjs';
import { createLineSegments, PointsCreator, Box3D } from '../base/base3d.mjs';
import { RH1Painter } from './RH1Painter.mjs';
import { RH2Painter } from './RH2Painter.mjs';
import { assignFrame3DMethods } from './hist3d.mjs';
/**
* @summary Painter for RH3 classes
*
* @private
*/
class RH3Painter extends RHistPainter {
/** @summary Returns histogram dimension */
getDimension() { return 3; }
scanContent(when_axis_changed) {
// no need to rescan histogram while result does not depend from axis selection
if (when_axis_changed && this.nbinsx && this.nbinsy && this.nbinsz) return;
const histo = this.getHisto();
if (!histo) return;
this.extractAxesProperties(3);
// global min/max, used at the moment in 3D drawing
if (this.isDisplayItem()) {
// take min/max values from the display item
this.gminbin = histo.fContMin;
this.gminposbin = histo.fContMinPos > 0 ? histo.fContMinPos : null;
this.gmaxbin = histo.fContMax;
} else {
this.gminbin = this.gmaxbin = histo.getBinContent(1, 1, 1);
for (let i = 0; i < this.nbinsx; ++i) {
for (let j = 0; j < this.nbinsy; ++j) {
for (let k = 0; k < this.nbinsz; ++k) {
const bin_content = histo.getBinContent(i+1, j+1, k+1);
if (bin_content < this.gminbin) this.gminbin = bin_content; else
if (bin_content > this.gmaxbin) this.gmaxbin = bin_content;
}
}
}
}
this.draw_content = (this.gmaxbin !== 0) || (this.gminbin !== 0);
}
/** @summary Count histogram statistic */
countStat() {
const histo = this.getHisto(),
xaxis = this.getAxis('x'),
yaxis = this.getAxis('y'),
zaxis = this.getAxis('z'),
i1 = this.getSelectIndex('x', 'left'),
i2 = this.getSelectIndex('x', 'right'),
j1 = this.getSelectIndex('y', 'left'),
j2 = this.getSelectIndex('y', 'right'),
k1 = this.getSelectIndex('z', 'left'),
k2 = this.getSelectIndex('z', 'right'),
res = { name: histo.fName, entries: 0, integral: 0, meanx: 0, meany: 0, meanz: 0, rmsx: 0, rmsy: 0, rmsz: 0 };
let stat_sum0 = 0, stat_sumx1 = 0, stat_sumy1 = 0,
stat_sumz1 = 0, stat_sumx2 = 0, stat_sumy2 = 0, stat_sumz2 = 0,
xi, yi, zi, xx, xside, yy, yside, zz, zside, cont;
for (xi = 1; xi <= this.nbinsx; ++xi) {
xx = xaxis.GetBinCoord(xi - 0.5);
xside = (xi <= i1+1) ? 0 : (xi > i2+1 ? 2 : 1);
for (yi = 1; yi <= this.nbinsy; ++yi) {
yy = yaxis.GetBinCoord(yi - 0.5);
yside = (yi <= j1+1) ? 0 : (yi > j2+1 ? 2 : 1);
for (zi = 1; zi <= this.nbinsz; ++zi) {
zz = zaxis.GetBinCoord(zi - 0.5);
zside = (zi <= k1+1) ? 0 : (zi > k2+1 ? 2 : 1);
cont = histo.getBinContent(xi, yi, zi);
res.entries += cont;
if ((xside === 1) && (yside === 1) && (zside === 1)) {
stat_sum0 += cont;
stat_sumx1 += xx * cont;
stat_sumy1 += yy * cont;
stat_sumz1 += zz * cont;
stat_sumx2 += xx**2 * cont;
stat_sumy2 += yy**2 * cont;
stat_sumz2 += zz**2 * cont;
}
}
}
}
if (Math.abs(stat_sum0) > 1e-300) {
res.meanx = stat_sumx1 / stat_sum0;
res.meany = stat_sumy1 / stat_sum0;
res.meanz = stat_sumz1 / stat_sum0;
res.rmsx = Math.sqrt(Math.abs(stat_sumx2 / stat_sum0 - res.meanx**2));
res.rmsy = Math.sqrt(Math.abs(stat_sumy2 / stat_sum0 - res.meany**2));
res.rmsz = Math.sqrt(Math.abs(stat_sumz2 / stat_sum0 - res.meanz**2));
}
res.integral = stat_sum0;
if (histo.fEntries > 1)
res.entries = histo.fEntries;
return res;
}
/** @summary Fill statistic */
fillStatistic(stat, dostat /*, dofit */) {
const data = this.countStat(),
print_name = dostat % 10,
print_entries = Math.floor(dostat / 10) % 10,
print_mean = Math.floor(dostat / 100) % 10,
print_rms = Math.floor(dostat / 1000) % 10,
// print_under = Math.floor(dostat / 10000) % 10,
// print_over = Math.floor(dostat / 100000) % 10,
print_integral = Math.floor(dostat / 1000000) % 10;
// print_skew = Math.floor(dostat / 10000000) % 10;
// print_kurt = Math.floor(dostat / 100000000) % 10;
stat.clearStat();
if (print_name > 0)
stat.addText(data.name);
if (print_entries > 0)
stat.addText('Entries = ' + stat.format(data.entries, 'entries'));
if (print_mean > 0) {
stat.addText('Mean x = ' + stat.format(data.meanx));
stat.addText('Mean y = ' + stat.format(data.meany));
stat.addText('Mean z = ' + stat.format(data.meanz));
}
if (print_rms > 0) {
stat.addText('Std Dev x = ' + stat.format(data.rmsx));
stat.addText('Std Dev y = ' + stat.format(data.rmsy));
stat.addText('Std Dev z = ' + stat.format(data.rmsz));
}
if (print_integral > 0)
stat.addText('Integral = ' + stat.format(data.integral, 'entries'));
return true;
}
/** @summary Provide text information (tooltips) for histogram bin */
getBinTooltips(ix, iy, iz) {
const lines = [], histo = this.getHisto();
let dx = 1, dy = 1, dz = 1;
if (this.isDisplayItem()) {
dx = histo.stepx || 1;
dy = histo.stepy || 1;
dz = histo.stepz || 1;
}
lines.push(this.getObjectHint(),
`x = ${this.getAxisBinTip('x', ix, dx)} xbin=${ix+1}`,
`y = ${this.getAxisBinTip('y', iy, dy)} ybin=${iy+1}`,
`z = ${this.getAxisBinTip('z', iz, dz)} zbin=${iz+1}`);
const binz = histo.getBinContent(ix+1, iy+1, iz+1),
lbl = 'entries = '+ ((dx > 1) || (dy > 1) || (dz > 1) ? '~' : '');
if (binz === Math.round(binz))
lines.push(lbl + binz);
else
lines.push(lbl + floatToString(binz, gStyle.fStatFormat));
return lines;
}
/** @summary Try to draw 3D histogram as scatter plot
* @desc If there are too many points, returns promise with false */
async draw3DScatter(handle) {
const histo = this.getHisto(),
main = this.getFramePainter(),
i1 = handle.i1, i2 = handle.i2, di = handle.stepi,
j1 = handle.j1, j2 = handle.j2, dj = handle.stepj,
k1 = handle.k1, k2 = handle.k2, dk = handle.stepk;
if ((i2 <= i1) || (j2 <= j1) || (k2 <= k1))
return true;
// scale down factor if too large values
const coef = (this.gmaxbin > 1000) ? 1000/this.gmaxbin : 1,
content_lmt = Math.max(0, this.gminbin);
let i, j, k, bin_content, numpixels = 0, sumz = 0;
for (i = i1; i < i2; i += di) {
for (j = j1; j < j2; j += dj) {
for (k = k1; k < k2; k += dk) {
bin_content = histo.getBinContent(i+1, j+1, k+1);
sumz += bin_content;
if (bin_content <= content_lmt) continue;
numpixels += Math.round(bin_content*coef);
}
}
}
// too many pixels - use box drawing
if (numpixels > (main.webgl ? 100000 : 30000))
return false;
const pnts = new PointsCreator(numpixels, main.webgl, main.size_x3d/200),
bins = new Int32Array(numpixels),
xaxis = this.getAxis('x'), yaxis = this.getAxis('y'), zaxis = this.getAxis('z'),
rnd = new TRandom(sumz);
let nbin = 0;
for (i = i1; i < i2; i += di) {
for (j = j1; j < j2; j += dj) {
for (k = k1; k < k2; k += dk) {
bin_content = histo.getBinContent(i+1, j+1, k+1);
if (bin_content <= content_lmt) continue;
const num = Math.round(bin_content*coef);
for (let n=0; n<num; ++n) {
const binx = xaxis.GetBinCoord(i + rnd.random()),
biny = yaxis.GetBinCoord(j + rnd.random()),
binz = zaxis.GetBinCoord(k + rnd.random());
// remember bin index for tooltip
bins[nbin++] = histo.getBin(i+1, j+1, k+1);
pnts.addPoint(main.grx(binx), main.gry(biny), main.grz(binz));
}
}
}
}
return pnts.createPoints({ color: this.v7EvalColor('fill_color', 'red') }).then(mesh => {
main.add3DMesh(mesh);
mesh.bins = bins;
mesh.painter = this;
mesh.tip_color = 0x00FF00;
mesh.tooltip = function(intersect) {
const indx = Math.floor(intersect.index / this.nvertex);
if ((indx < 0) || (indx >= this.bins.length)) return null;
const p = this.painter,
main = p.getFramePainter(),
tip = p.get3DToolTip(this.bins[indx]);
tip.x1 = main.grx(p.getAxis('x').GetBinLowEdge(tip.ix));
tip.x2 = main.grx(p.getAxis('x').GetBinLowEdge(tip.ix+di));
tip.y1 = main.gry(p.getAxis('y').GetBinLowEdge(tip.iy));
tip.y2 = main.gry(p.getAxis('y').GetBinLowEdge(tip.iy+dj));
tip.z1 = main.grz(p.getAxis('z').GetBinLowEdge(tip.iz));
tip.z2 = main.grz(p.getAxis('z').GetBinLowEdge(tip.iz+dk));
tip.color = this.tip_color;
tip.opacity = 0.3;
return tip;
};
return true;
});
}
/** @summary Drawing of 3D histogram */
draw3DBins(handle) {
const main = this.getFramePainter();
let fillcolor = this.v7EvalColor('fill_color', 'red'),
buffer_size = 0, use_lambert = false,
use_helper = false, use_colors = false, use_opacity = 1, use_scale = true,
single_bin_verts, single_bin_norms,
tipscale = 0.5;
if (this.options.Sphere) {
// drawing spheres
tipscale = 0.4;
use_lambert = true;
if (this.options.Sphere === 11) use_colors = true;
const geom = main.webgl ? new SphereGeometry(0.5, 16, 12) : new SphereGeometry(0.5, 8, 6);
geom.applyMatrix4(new Matrix4().makeRotationX(Math.PI/2));
geom.computeVertexNormals();
const indx = geom.getIndex().array,
pos = geom.getAttribute('position').array,
norm = geom.getAttribute('normal').array;
buffer_size = indx.length*3;
single_bin_verts = new Float32Array(buffer_size);
single_bin_norms = new Float32Array(buffer_size);
for (let k=0; k<indx.length; ++k) {
const iii = indx[k]*3;
single_bin_verts[k*3] = pos[iii];
single_bin_verts[k*3+1] = pos[iii+1];
single_bin_verts[k*3+2] = pos[iii+2];
single_bin_norms[k*3] = norm[iii];
single_bin_norms[k*3+1] = norm[iii+1];
single_bin_norms[k*3+2] = norm[iii+2];
}
} else {
const indicies = Box3D.Indexes,
normals = Box3D.Normals,
vertices = Box3D.Vertices;
buffer_size = indicies.length*3;
single_bin_verts = new Float32Array(buffer_size);
single_bin_norms = new Float32Array(buffer_size);
for (let k = 0, nn = -3; k < indicies.length; ++k) {
const vert = vertices[indicies[k]];
single_bin_verts[k*3] = vert.x-0.5;
single_bin_verts[k*3+1] = vert.y-0.5;
single_bin_verts[k*3+2] = vert.z-0.5;
if (k%6 === 0) nn+=3;
single_bin_norms[k*3] = normals[nn];
single_bin_norms[k*3+1] = normals[nn+1];
single_bin_norms[k*3+2] = normals[nn+2];
}
use_helper = true;
if (this.options.Box === 11) use_colors = true; else
if (this.options.Box === 12) { use_colors = true; use_helper = false; } else
if (this.options.Color) { use_colors = true; use_opacity = 0.5; use_scale = false; use_helper = false; use_lambert = true; }
}
if (use_scale)
use_scale = (this.gminbin || this.gmaxbin) ? 1 / Math.max(Math.abs(this.gminbin), Math.abs(this.gmaxbin)) : 1;
const histo = this.getHisto(),
i1 = handle.i1, i2 = handle.i2, di = handle.stepi,
j1 = handle.j1, j2 = handle.j2, dj = handle.stepj,
k1 = handle.k1, k2 = handle.k2, dk = handle.stepk;
let palette = null;
if (use_colors) {
palette = main.getHistPalette();
this.createContour(main, palette);
}
if ((i2 <= i1) || (j2 <= j1) || (k2 <= k1))
return true;
let xaxis = this.getAxis('x'), yaxis = this.getAxis('y'), zaxis = this.getAxis('z');
const scalex = (main.grx(xaxis.GetBinCoord(i2)) - main.grx(xaxis.GetBinCoord(i1))) / (i2 - i1) * di,
scaley = (main.gry(yaxis.GetBinCoord(j2)) - main.gry(yaxis.GetBinCoord(j1))) / (j2 - j1) * dj,
scalez = (main.grz(zaxis.GetBinCoord(k2)) - main.grz(zaxis.GetBinCoord(k1))) / (k2 - k1) * dk,
cols_size = [];
let nbins = 0, i, j, k, wei, bin_content, num_colors = 0, cols_sequence = [];
for (i = i1; i < i2; i += di) {
for (j = j1; j < j2; j += dj) {
for (k = k1; k < k2; k += dk) {
bin_content = histo.getBinContent(i+1, j+1, k+1);
if (!this.options.Color && ((bin_content === 0) || (bin_content < this.gminbin))) continue;
wei = use_scale ? Math.pow(Math.abs(bin_content*use_scale), 0.3333) : 1;
if (wei < 1e-3) continue; // do not draw empty or very small bins
nbins++;
if (!use_colors) continue;
const colindx = palette.getContourIndex(bin_content);
if (colindx >= 0) {
if (cols_size[colindx] === undefined) {
cols_size[colindx] = 0;
cols_sequence[colindx] = num_colors++;
}
cols_size[colindx]+=1;
} else
console.error(`not found color for value = ${bin_content}`);
}
}
}
if (!use_colors) {
cols_size.push(nbins);
num_colors = 1;
cols_sequence = [0];
}
const cols_nbins = new Array(num_colors),
bin_verts = new Array(num_colors),
bin_norms = new Array(num_colors),
bin_tooltips = new Array(num_colors),
helper_kind = new Array(num_colors),
helper_indexes = new Array(num_colors), // helper_kind === 1, use original vertices
helper_positions = new Array(num_colors); // helper_kind === 2, all vertices copied into separate buffer
for (let ncol = 0; ncol < cols_size.length; ++ncol) {
if (!cols_size[ncol]) continue; // ignore dummy colors
nbins = cols_size[ncol]; // how many bins with specified color
const nseq = cols_sequence[ncol];
cols_nbins[nseq] = 0; // counter for the filled bins
helper_kind[nseq] = 0;
// 1 - use same vertices to create helper, one can use maximal 64K vertices
// 2 - all vertices copied into separate buffer
if (use_helper)
helper_kind[nseq] = (nbins * buffer_size / 3 > 0xFFF0) ? 2 : 1;
bin_verts[nseq] = new Float32Array(nbins * buffer_size);
bin_norms[nseq] = new Float32Array(nbins * buffer_size);
bin_tooltips[nseq] = new Int32Array(nbins);
if (helper_kind[nseq] === 1)
helper_indexes[nseq] = new Uint16Array(nbins * Box3D.MeshSegments.length);
if (helper_kind[nseq] === 2)
helper_positions[nseq] = new Float32Array(nbins * Box3D.Segments.length * 3);
}
let binx, grx, biny, gry, binz, grz;
xaxis = this.getAxis('x');
yaxis = this.getAxis('y');
zaxis = this.getAxis('z');
for (i = i1; i < i2; i += di) {
binx = xaxis.GetBinCenter(i+1); grx = main.grx(binx);
for (j = j1; j < j2; j += dj) {
biny = yaxis.GetBinCenter(j+1); gry = main.gry(biny);
for (k = k1; k < k2; k +=dk) {
bin_content = histo.getBinContent(i+1, j+1, k+1);
if (!this.options.Color && ((bin_content === 0) || (bin_content < this.gminbin))) continue;
wei = use_scale ? Math.pow(Math.abs(bin_content*use_scale), 0.3333) : 1;
if (wei < 1e-3) continue; // do not show very small bins
let nseq = 0;
if (use_colors) {
const colindx = palette.getContourIndex(bin_content);
if (colindx < 0) continue;
nseq = cols_sequence[colindx];
}
nbins = cols_nbins[nseq];
binz = zaxis.GetBinCenter(k+1); grz = main.grz(binz);
// remember bin index for tooltip
bin_tooltips[nseq][nbins] = histo.getBin(i+1, j+1, k+1);
let vvv = nbins * buffer_size;
const bin_v = bin_verts[nseq], bin_n = bin_norms[nseq];
// Grab the coordinates and scale that are being assigned to each bin
for (let vi = 0; vi < buffer_size; vi+=3, vvv+=3) {
bin_v[vvv] = grx + single_bin_verts[vi]*scalex*wei;
bin_v[vvv+1] = gry + single_bin_verts[vi+1]*scaley*wei;
bin_v[vvv+2] = grz + single_bin_verts[vi+2]*scalez*wei;
bin_n[vvv] = single_bin_norms[vi];
bin_n[vvv+1] = single_bin_norms[vi+1];
bin_n[vvv+2] = single_bin_norms[vi+2];
}
if (helper_kind[nseq] === 1) {
// reuse vertices created for the mesh
const helper_segments = Box3D.MeshSegments;
vvv = nbins * helper_segments.length;
const shift = Math.round(nbins * buffer_size/3),
helper_i = helper_indexes[nseq];
for (let n = 0; n < helper_segments.length; ++n)
helper_i[vvv+n] = shift + helper_segments[n];
}
if (helper_kind[nseq] === 2) {
const helper_segments = Box3D.Segments,
helper_p = helper_positions[nseq];
vvv = nbins * helper_segments.length * 3;
for (let n = 0; n < helper_segments.length; ++n, vvv += 3) {
const vert = Box3D.Vertices[helper_segments[n]];
helper_p[vvv] = grx + (vert.x-0.5)*scalex*wei;
helper_p[vvv+1] = gry + (vert.y-0.5)*scaley*wei;
helper_p[vvv+2] = grz + (vert.z-0.5)*scalez*wei;
}
}
cols_nbins[nseq] = nbins+1;
}
}
}
for (let ncol = 0; ncol < cols_size.length; ++ncol) {
if (!cols_size[ncol]) continue; // ignore dummy colors
const nseq = cols_sequence[ncol],
// BufferGeometries that store geometry of all bins
all_bins_buffgeom = new BufferGeometry();
// Create mesh from bin buffergeometry
all_bins_buffgeom.setAttribute('position', new BufferAttribute(bin_verts[nseq], 3));
all_bins_buffgeom.setAttribute('normal', new BufferAttribute(bin_norms[nseq], 3));
if (use_colors) fillcolor = palette.getColor(ncol);
const material = use_lambert
? new MeshLambertMaterial({ color: fillcolor, opacity: use_opacity, transparent: use_opacity < 1, vertexColors: false })
: new MeshBasicMaterial({ color: fillcolor, opacity: use_opacity, transparent: use_opacity < 1, vertexColors: false }),
combined_bins = new Mesh(all_bins_buffgeom, material);
combined_bins.bins = bin_tooltips[nseq];
combined_bins.bins_faces = buffer_size/9;
combined_bins.painter = this;
combined_bins.scalex = tipscale*scalex;
combined_bins.scaley = tipscale*scaley;
combined_bins.scalez = tipscale*scalez;
combined_bins.tip_color = 0x00FF00;
combined_bins.use_scale = use_scale;
combined_bins.tooltip = function(intersect) {
const indx = Math.floor(intersect.faceIndex / this.bins_faces);
if ((indx < 0) || (indx >= this.bins.length)) return null;
const p = this.painter,
main = p.getFramePainter(),
tip = p.get3DToolTip(this.bins[indx]),
grx = main.grx(p.getAxis('x').GetBinCoord(tip.ix-0.5)),
gry = main.gry(p.getAxis('y').GetBinCoord(tip.iy-0.5)),
grz = main.grz(p.getAxis('z').GetBinCoord(tip.iz-0.5)),
wei = this.use_scale ? Math.pow(Math.abs(tip.value*this.use_scale), 0.3333) : 1;
tip.x1 = grx - this.scalex*wei; tip.x2 = grx + this.scalex*wei;
tip.y1 = gry - this.scaley*wei; tip.y2 = gry + this.scaley*wei;
tip.z1 = grz - this.scalez*wei; tip.z2 = grz + this.scalez*wei;
tip.color = this.tip_color;
return tip;
};
main.add3DMesh(combined_bins);
if (helper_kind[nseq] > 0) {
const lcolor = this.v7EvalColor('line_color', 'lightblue'),
helper_material = new LineBasicMaterial({ color: lcolor }),
lines = (helper_kind[nseq] === 1)
// reuse positions from the mesh - only special index was created
? createLineSegments(bin_verts[nseq], helper_material, helper_indexes[nseq])
: createLineSegments(helper_positions[nseq], helper_material);
main.add3DMesh(lines);
}
}
if (use_colors)
this.updatePaletteDraw();
}
draw3D() {
if (!this.draw_content)
return false;
// this.options.Scatter = false;
// this.options.Box = true;
const handle = this.prepareDraw({ only_indexes: true, extra: -0.5, right_extra: -1 }),
pr = this.options.Scatter ? this.draw3DScatter(handle) : Promise.resolve(false);
return pr.then(res => {
return res || this.draw3DBins(handle);
});
}
/** @summary Redraw histogram */
redraw(reason) {
const main = this.getFramePainter(); // who makes axis and 3D drawing
if (reason === 'resize') {
if (main.resize3D()) main.render3D();
return this;
}
assignFrame3DMethods(main);
return main.create3DScene(this.options.Render3D).then(() => {
main.setAxesRanges(this.getAxis('x'), this.xmin, this.xmax, this.getAxis('y'), this.ymin, this.ymax, this.getAxis('z'), this.zmin, this.zmax);
main.set3DOptions(this.options);
main.drawXYZ(main.toplevel, RAxisPainter, { zoom: settings.Zooming, ndim: 3, draw: true, v7: true });
return this.drawingBins(reason);
}).then(() => this.draw3D()).then(() => {
main.render3D();
main.addKeysHandler();
return this;
});
}
/** @summary Fill pad toolbar with RH3-related functions */
fillToolbar() {
const pp = this.getPadPainter();
if (!pp) return;
pp.addPadButton('auto_zoom', 'Unzoom all axes', 'ToggleZoom', 'Ctrl *');
if (this.draw_content)
pp.addPadButton('statbox', 'Toggle stat box', 'ToggleStatBox');
pp.showPadButtons();
}
/** @summary Checks if it makes sense to zoom inside specified axis range */
canZoomInside(axis, min, max) {
let obj = this.getHisto();
if (obj) obj = obj['f'+axis.toUpperCase()+'axis'];
return !obj || (obj.FindBin(max, 0.5) - obj.FindBin(min, 0) > 1);
}
/** @summary Perform automatic zoom inside non-zero region of histogram */
autoZoom() {
const i1 = this.getSelectIndex('x', 'left'),
i2 = this.getSelectIndex('x', 'right'),
j1 = this.getSelectIndex('y', 'left'),
j2 = this.getSelectIndex('y', 'right'),
k1 = this.getSelectIndex('z', 'left'),
k2 = this.getSelectIndex('z', 'right'),
histo = this.getHisto();
let i, j, k;
if ((i1 === i2) || (j1 === j2) || (k1 === k2)) return;
// first find minimum
let min = histo.getBinContent(i1 + 1, j1 + 1, k1+1);
for (i = i1; i < i2; ++i) {
for (j = j1; j < j2; ++j) {
for (k = k1; k < k2; ++k)
min = Math.min(min, histo.getBinContent(i+1, j+1, k+1));
}
}
if (min > 0) return; // if all points positive, no chance for autoscale
let ileft = i2, iright = i1, jleft = j2, jright = j1, kleft = k2, kright = k1;
for (i = i1; i < i2; ++i) {
for (j = j1; j < j2; ++j) {
for (k = k1; k < k2; ++k) {
if (histo.getBinContent(i+1, j+1, k+1) > min) {
if (i < ileft) ileft = i;
if (i >= iright) iright = i + 1;
if (j < jleft) jleft = j;
if (j >= jright) jright = j + 1;
if (k < kleft) kleft = k;
if (k >= kright) kright = k + 1;
}
}
}
}
let xmin, xmax, ymin, ymax, zmin, zmax, isany = false;
if ((ileft === iright-1) && (ileft > i1+1) && (iright < i2-1)) { ileft--; iright++; }
if ((jleft === jright-1) && (jleft > j1+1) && (jright < j2-1)) { jleft--; jright++; }
if ((kleft === kright-1) && (kleft > k1+1) && (kright < k2-1)) { kleft--; kright++; }
if ((ileft > i1 || iright < i2) && (ileft < iright - 1)) {
xmin = this.getAxis('x').GetBinLowEdge(ileft+1);
xmax = this.getAxis('x').GetBinLowEdge(iright+1);
isany = true;
}
if ((jleft > j1 || jright < j2) && (jleft < jright - 1)) {
ymin = this.getAxis('y').GetBinLowEdge(jleft+1);
ymax = this.getAxis('y').GetBinLowEdge(jright+1);
isany = true;
}
if ((kleft > k1 || kright < k2) && (kleft < kright - 1)) {
zmin = this.getAxis('z').GetBinLowEdge(kleft+1);
zmax = this.getAxis('z').GetBinLowEdge(kright+1);
isany = true;
}
if (isany)
return this.getFramePainter().zoom(xmin, xmax, ymin, ymax, zmin, zmax);
}
/** @summary Fill histogram context menu */
fillHistContextMenu(menu) {
const opts = this.getSupportedDrawOptions();
menu.addDrawMenu('Draw with', opts, arg => {
if (arg.indexOf(kInspect) === 0)
return this.showInspector(arg);
this.decodeOptions(arg);
this.interactiveRedraw(true, 'drawopt');
});
}
/** @summary draw RH3 object */
static async draw(dom, histo /* ,opt */) {
const painter = new RH3Painter(dom, histo);
painter.mode3d = true;
return ensureRCanvas(painter, '3d').then(() => {
painter.setAsMainPainter();
painter.options = { Box: 0, Scatter: false, Sphere: 0, Color: false, minimum: kNoZoom, maximum: kNoZoom, FrontBox: false, BackBox: false };
const kind = painter.v7EvalAttr('kind', ''),
sub = painter.v7EvalAttr('sub', 0),
o = painter.options;
switch (kind) {
case 'box': o.Box = 10 + sub; break;
case 'sphere': o.Sphere = 10 + sub; break;
case 'col': o.Color = true; break;
case 'scat': o.Scatter = true; break;
default: o.Box = 10;
}
painter.scanContent();
return painter.redraw();
});
}
} // class RH3Painter
/** @summary draw RHistDisplayItem object
* @private */
function drawHistDisplayItem(dom, obj, opt) {
if (!obj)
return null;
if (obj.fAxes.length === 1)
return RH1Painter.draw(dom, obj, opt);
if (obj.fAxes.length === 2)
return RH2Painter.draw(dom, obj, opt);
if (obj.fAxes.length === 3)
return RH3Painter.draw(dom, obj, opt);
return null;
}
export { RH3Painter, drawHistDisplayItem };