Impala Documentation

void OglGui::ViewerPointCloud::DrawAsPoints	(	float	trX,
		float	trY,
		float	offX,
		float	offY,
		float	ptSize
	)			`[inline]`

Definition at line 273 of file ViewerPointCloud.h.

References OglGui::ViewerPoint::AnimatePoint(), OglGui::ViewerPoint::cMagicNr, OglGui::OglWindow::H(), mAnimation, mMaxX, mMaxY, mMinX, mMinY, mNrOfPoints, mOglImageCache, OglGui::OglWindow::mOglWnd, mPtDocX, mPtDocY, mScale, mStarted, OglGui::ViewerPoint::PointX(), OglGui::ViewerPoint::PointY(), and OglGui::OglWindow::W().

Referenced by DisplayFunc().

00274     {
00275         ULONG   selCol = mOglWnd->selectCol;
00276         int     wndW = W(), wndH = H();
00277         float   hW = wndW/2.f, hH = wndH/2.f;
00278         int     vW = (mScale > 1.f) ? mScale : 1;
00279         int     vH = (mScale > 1.f) ? mScale : 1;
00280         float   hVW = vW/2.f, hVH = vH/2.f;
00281         float   minHWPlusPtDocX = -hW+mPtDocX;
00282         float   minHHPlusPtDocY = -hH+mPtDocY;
00283 
00284         mMinX = mMinY = 1000000;
00285         mMaxX = mMaxY = -1000000;
00286         mNrOfPoints = 0;
00287         glPushMatrix();
00288         ptSize = (ptSize < 1.f) ? 1.f : ptSize;
00289         glPointSize(ptSize);
00290         glTranslatef(trX, trY, 0.f);
00291         glScalef(mScale, mScale, 1.f);
00292 
00293         glBegin(GL_POINTS);
00294         LIST   *obj, *objList = mOglWnd->objectList;
00295         ForAllElements(obj, objList)
00296         {
00297             OGLVIEW*     view = (OGLVIEW*) obj->info;
00298             if (!(view->SysData2 == (void*) ViewerPoint::cMagicNr))
00299                 continue;
00300             ViewerPoint* vp = (ViewerPoint*) view->SysData1;
00301             mNrOfPoints++;
00302             view->tags &= ~visibleTag;
00303             if (view->tags & ignoreTag)
00304                 continue;
00305             if (mAnimation && mStarted)
00306                 vp->AnimatePoint();
00307             if (mOglImageCache)
00308                 viewSys.SetImage(view,0);
00309             float   x = vp->PointX(), y = vp->PointY();
00310             float   wndX  = hW + mScale * (x+minHWPlusPtDocX);
00311             float   wndY  = hH + mScale * (y+minHHPlusPtDocY);
00312             view->w = vW;
00313             view->h = vH;
00314             int vX = view->x = wndX - hVW;
00315             int vY = view->y = wndY - hVH;
00316 
00317             if (x<mMinX) mMinX = x;
00318             if (x>mMaxX) mMaxX = x;
00319             if (y<mMinY) mMinY = y;
00320             if (y>mMaxY) mMaxY = y;
00321 
00322             if (vX+vW<0 || vY+vH<0 || vX > wndW || vY > wndH)
00323                 continue;
00324 
00325             bool    selected = (view->tags & selectedTag) != 0;
00326             ULONG   borderCol = view->borderCol;
00327             SetColor(selected ? selCol : borderCol);
00328 
00329             glVertex2f(x+offX, y+offY);
00330             if (selected && ptSize >= 3.f)
00331             {
00332                 glEnd();
00333                 glPointSize(ptSize-2);
00334                 glBegin(GL_POINTS);
00335                 UCHAR   r, g, b;
00336                 COLOR2RGB(borderCol, r, g, b);
00337                 glColor3ub(r, g, b);
00338                 glVertex2f(x+offX, y+offY);
00339                 glEnd();
00340                 glPointSize(ptSize);
00341                 glBegin(GL_POINTS);
00342             }
00343         }
00344         glEnd();
00345         glPopMatrix();
00346     }

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