hist/RH2Painter.mjs

  1. import { settings, gStyle, kNoZoom } from '../core.mjs';
  2. import { RH2Painter as RH2Painter2D } from '../hist2d/RH2Painter.mjs';
  3. import { RAxisPainter } from '../gpad/RAxisPainter.mjs';
  4. import { assignFrame3DMethods, drawBinsLego, drawBinsError3D, drawBinsContour3D, drawBinsSurf3D } from './hist3d.mjs';
  7. class RH2Painter extends RH2Painter2D {
  9.    /** Draw histogram bins in 3D, using provided draw options */
  10.    draw3DBins() {
  11.       if (!this.draw_content) return;
  13.       if (this.options.Surf)
  14.          return drawBinsSurf3D(this, true);
  16.       if (this.options.Error)
  17.          return drawBinsError3D(this, true);
  19.       if (this.options.Contour)
  20.          return drawBinsContour3D(this, true, true);
  22.       drawBinsLego(this, true);
  23.       this.updatePaletteDraw();
  24.    }
  26.    draw3D(reason) {
  27.       this.mode3d = true;
  29.       const main = this.getFramePainter(), // who makes axis drawing
  30.             is_main = this.isMainPainter(); // is main histogram
  31.       let pr = Promise.resolve(this);
  33.       if (reason === 'resize') {
  34.          if (is_main && main.resize3D())
  35.             main.render3D();
  36.          return pr;
  37.       }
  39.       let zmult = 1 + 2*gStyle.fHistTopMargin;
  41.       this.zmin = main.logz ? this.gminposbin * 0.3 : this.gminbin;
  42.       this.zmax = this.gmaxbin;
  43.       if (this.options.minimum !== kNoZoom) this.zmin = this.options.minimum;
  44.       if (this.options.maximum !== kNoZoom) { this.zmax = this.options.maximum; zmult = 1; }
  45.       if (main.logz && (this.zmin <= 0)) this.zmin = this.zmax * 1e-5;
  47.       this.deleteAttr();
  49.       if (is_main) {
  50.          assignFrame3DMethods(main);
  51.          pr = main.create3DScene(this.options.Render3D).then(() => {
  52.             main.setAxesRanges(this.getAxis('x'), this.xmin, this.xmax, this.getAxis('y'), this.ymin, this.ymax, null, this.zmin, this.zmax);
  53.             main.set3DOptions(this.options);
  54.             main.drawXYZ(main.toplevel, RAxisPainter, { zmult, zoom: settings.Zooming, ndim: 2, draw: true, v7: true });
  55.          });
  56.       }
  58.       if (!main.mode3d)
  59.          return pr;
  61.       return pr.then(() => this.drawingBins(reason)).then(() => {
  62.          // called when bins received from server, must be reentrant
  63.          const fp = this.getFramePainter();
  65.          this.draw3DBins();
  66.          fp.render3D();
  67.          fp.addKeysHandler();
  69.          return this;
  70.       });
  71.    }
  73.       /** @summary draw RH2 object */
  74.    static async draw(dom, obj, opt) {
  75.       // create painter and add it to canvas
  76.       return RH2Painter._draw(new RH2Painter(dom, obj), opt);
  77.    }
  79. } // class RH2Painter
  81. export { RH2Painter };