摘　要
測(cè)繪技術(shù)在空間信息技術(shù)領(lǐng)域應(yīng)當(dāng)扮演什么角色？是必須研究的創(chuàng)新課題。
發(fā)展空間信息技術(shù)離不開(kāi)地理空間信息，沒(méi)有地理空間信息的支撐，發(fā)展空間技術(shù)就會(huì)成為“空對(duì)空”。而地理空間信息是靠“現(xiàn)代測(cè)繪技術(shù)”獲取和建立的?，F(xiàn)代測(cè)繪技術(shù)不公可以建立、提供各種基礎(chǔ)性地理空間信息框架和通用性地理空間信息平臺(tái)，基與網(wǎng)格技術(shù)相結(jié)合，還可以使全社會(huì)無(wú)“死角”和利用地理空間信息，實(shí)現(xiàn)實(shí)時(shí)更新各種地理空間信息，達(dá)到建立“數(shù)字區(qū)域”、“數(shù)字國(guó)家”、“數(shù)字地球”、“數(shù)字太空”和虛擬現(xiàn)實(shí)、推動(dòng)空間技術(shù)發(fā)展的目的。數(shù)字正射影像是一種新型數(shù)字測(cè)繪產(chǎn)品，是有著廣闊應(yīng)用前景的基礎(chǔ)地理信息數(shù)據(jù)。
由此可見(jiàn)，現(xiàn)代測(cè)繪技術(shù)本身就是學(xué)科交叉的結(jié)果和新興的“邊緣”學(xué)科，在發(fā)展空間信息技術(shù)方面，具有承上啟下的地位和作用。
數(shù)字測(cè)繪工作過(guò)程中，有大量的數(shù)據(jù)處理與轉(zhuǎn)換工作，柵格數(shù)據(jù)到矢量數(shù)據(jù)的轉(zhuǎn)換是其中的一個(gè)主要問(wèn)題，這一問(wèn)題實(shí)際上就是數(shù)字化成圖過(guò)程中的跟蹤矢量化過(guò)程。
ABSTACT
Survey and map the technique in the space information technique realm should play what role? Which is the creative topic we must study.
Develop the space information technique cans not get away from the geography space information lord, there is no geography space information prop up, develop the space technique and will become" empty rightness empty". But the geography space information is obtain by" the modern surveys and map the technique" and build up. The modern surveys and map the technique unjust can build up and provide various foundation geography space information frame and in general use sex geography space information terrace, the combines together with the mesh technique, can also make whole societies have no" dead angle" and make use of the geography space information, carrying out the solid hour to renew various geography space information, the purpose that attain establishment" numerical district"," numeral nation"," numerical Earth"," numerical space" and the conjecture actuality and push the space technique development .The numeral is projecting image to seem a kind of new numeral to survey and map the product, is a foundation geography information data that has the vast and applied foreground.
Be showed from this, the modern surveys and map the technique is result and newly arisen" edge" courses that the course cross, in the aspects of developing the space information technique, have to accept up the under of the position and the function.
The numeral surveys and map in the work process, having a great deal of data processing and converting the work, the grid space data arrives a key problem that the conversion of the vector data is among them, this problem actually be the on the trail of vector that numeral becomes the diagram process is turns the process.
目　錄
1　緒論 1
2　矢量化過(guò)程 4
2.1　矢量化過(guò)程中用到的軟件簡(jiǎn)介 4
2.2　ERDAS IMAGINER 4
2.3　Geoway2.0 4
2.4　ARC/INFO 6
3　矢量化的工作過(guò)程 7
3.1　數(shù)據(jù)采集的前期準(zhǔn)備 7
3.2　矢量數(shù)據(jù)的采集及其過(guò)程中的問(wèn)題 7
3.3　矢量數(shù)據(jù)的編輯 9
4　地理空間信息 11
5　數(shù)字正射影像的制作 12
6　CAD應(yīng)用程序 13
6.1　使用CAD應(yīng)用程序 13
結(jié)　論 15
致　謝 16
參考文獻(xiàn) 17