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2010.31CGG(),LANDMARK(),,,,。,,。CST,。,,,,,。,,,。QT,QtCreator1.0。QT,。2CST3CST。2.1CSTCST,CST,,,,,,1CST。2.2,,(),2。2.3CST(),3,3。2.3.1,256,64,,。9:,。17:,。19:,。2.3.2,,FLOAT,6000,24000。2.3.3,CST,,6000、30001500400、32、400。QTCST:CST,QT,、。:QT;CST;31CST2652010.33,,。4,、、、。4。44.1CST、、、,。(1):,。1):CST9,CST,9。,mod9。2):。3)file.setFileName(fileName);//file.open(QIODevice::ReadOnly);//in.setDevice(&file);//file.seek(32);//inmod9;//size=file.size();//file.close();//(2):、、、、、。1):,,6,。2):19,,,,。3):,,,,17。4):,。5)file.setFileName(fileName);file.open(QIODevice::ReadOnly);in.setDevice(&file);switch(mod9)//{case1000:blank=400;break;case2000:blank=32;break;case4000:blank=400;break;default:break;}file.seek(72);infirstMod19;//sampleNumber=6*1000000/mod9;//intnumber;//count=0;//quint32tmpCurrent,tmpPrevious;number=file.size()/(sampleNumber*4+256+blank);//for(inti=0;inumber;i++)//{if(i==0){file.seek(72);intmpCurrent;tmpPrevious=tmpCurrent;}else{tmpPrevious=tmpCurrent;4662010.3file.seek(i*(sampleNumber*4+256+blank)+72);intmpCurrent;if(tmpCurrent!=tmpPrevious){traceNum[count]++;count++;}else{traceNum[count]++;}}}traceNum[count]++;//traceNum[]//returncount++;//count4.2,,,,,。,。(1):,,。1):5。2)voidPainterWidget::setStart(intlineNum)//{start=0;curLineNumber=lineNum;//traceNumber=traceNum[curLineNumber-1];//for(inti=curLineNumber;i1;i--){start+=traceNum[i-2]*(sampleNumber*4+256+blank);//}}(2):,。,。file.setFileName(fileName);file.open(QIODevice::ReadOnly);in.setDevice(&file);for(inti=0;itraceNumber;i++)//{file.seek(start+i*(sampleNumber*4+256+blank)+256);for(intj=0;jsampleNumber;j++){inmem[i][j];//}}file.seek(start+64);inmod17;//file.seek(start+72);inmod19;//file.close();(3):,,,,。1):6,,,。2)floattmp[6000];for(intk=0;ktraceNumber;k++){for(intp=0;psampleNumber;p++){tmp[p]=mem[k][p];}testMax[k]=findMax(tmp);//}56672010.3for(intm=0;mtraceNumber;m++){for(intn=0;nsampleNumber;n++){me[m][n]=mem[m][n]*interval/testMax[m];//}}(4):,,,,,,,。1):7。2):for(inti=0;isampleNumber;i++)//,{if(rawData[i]0)//{QPenpen1(QColor(255,255-(int)rawData[i]/rightColorInterval,255-(int)rawData[i]/rightColorInterval),sampleWidth);//painter.setPen(pen1);painter.drawLine(20+trace*interval,topHeight+i*sampleWidth,20+trace*interval+interval,topHeight+i*sampleWidth);//}elseif(rawData[i]0)//{QPenpen2(QColor(255-(int)rawData[i]/leftColorInterval,255-(int)rawData[i]/leftColorInterval,255),sampleWidth);//painter.setPen(pen2);painter.drawLine(20+trace*interval,topHeight+i*sampleWidth,20+trace*interval-interval,topHeight+i*sampleWidth);//}}(5):QPixmap,,,,,。:voidPainterWidget::createPixmap(){pixmap=newQPixmap(40+interval*(traceNumber+1),topHeight+20+sampleWidth*(sampleNumber-1));//QPixmappixmap-fill(QColor(214,190,241));//QPainterpainter(pixmap);//drawFrame(painter);//if(!sort)//{QProgressBarprogressBar_a;progressBar_a.setWindowIcon(QIcon(:/images/system.png));progressBar_a.setWindowTitle(tr(...));progressBar_a.setWindowModality(QT::WindowModal);progressBar_a.setRange(1,traceNumber);progressBar_a.show();//for(intk=1;k=traceNumber;k++){progressBar_a.setValue(k);getData(k);//for(inti=1;isampleNumber;i++){drawP(k,i,data[i-1],data[i],painter);//}if(consistencyShow){getRawData(k);//showConsistency(k,painter);//}else{fillArea(k,painter);//}}}4.3,,、、、、,,。(1):4:7682010.3、、、。1):8。2):,,,。,。3)fillModel=(fillModel+1)%4;//fillModel,,if(fillModel==0)//,{painter.setPen(fillRightColor);//for(inti=0;isampleNumber;i++){if(data[i]0){painter.drawLine(20+interval*trace,topHeight+i*sampleWidth,20+interval*trace+(int)data[i],topHeight+i*sampleWidth);//}}}(2):,。1):9。2):,,,。3):if(fillModel==0){QColorcolor=QColorDialog::getColor(QT::red);//if(color.isValid()){fillRightColor=color;//}}elseif(fillModel==1){QColorcolor=QColorDialog::getColor(QT::blue);if(color.isValid()){fillLeftColor=color;//}}(3):,、,,。1):10。2):,,,,,,,。3)intrightColorInterval=(int)(maxRight)/256;//intleftColorInterval=(int)(maxLeft)/256;//for(inti=0;isampleNumber;i++)//{abcd8910692010.3if(rawData[i]0){QPenpen1(QColor(255,255-(int)rawData[i]/rightColorInterval,255-(int)rawData[i]/rightColorInterval),sampleWidth);//painter.setPen(pen1);painter.drawLine(20+trace*interval,topHeight+i*sampleWidth,20+trace*interval+interval,topHeight+i*sampleWidth);//}elseif(rawData[i]0){QPenpen2(QColor(255-(int)rawData[i]/leftColorInterval,255-(int)rawData[i]/leftColorInterval,255),sampleWidth);//painter.setPen(pen2);painter.drawLine(20+trace*interval,topHeight+i*sampleWidth,20+trace*interval-interval,topHeight+i*sampleWidth);//}}(4):,,。1):11。2):BOOL,。,;,。3):if(!wave)//wave{intx=20+interval*trace;inty2=topHeight+i*sampleWidth;inty1=y2-sampleWidth;painter.drawLine(x+(int)x1,y1,x+(int)x2,y2);//,}(5):,,,,,。1):12。2):,,,,。,。3):if(!sort)//{for(intk=1;k=traceNumber;k++)//{getData(k);for(inti=1;isampleNumber;i++)drawP(k,i,data[i-1],data[i],painter);}}else{for(intk=traceNumber;k=1;k--)//{getData(k);for(inti=1;isampleNumber;i++)drawP(traceNumber-k+1,i,data[i-1],data[i],painter);}}(6):,,。1):13。2):,1112702010.3,,,,,。3)ScaleDialog*scaleDialog=newScaleDialog(
本文标题:利用QT实现地震数据CST文件的二维显示
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