求助:通过经纬度如何得到该地点的信息?

beijin 2002-09-20 10:36:26
我刚刚开始学习GPS定位,目前我一张矢量电子地图,输入经纬度可以在地图上显示,现在我想做的是,已知坐标,怎么能取到该坐标对应的区名,路名,街名呢,是不是需要另外建库啊。我要在linux下用c开发,不需要显示地图,只要输入经纬度,输出某区某街就可以了。
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beijin 2002-09-28
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to blh(老猫) ,我知道没有会免费给我,我可以买啊,另外我想请教一下,我现在有mapinfo的.mif和.mid文件,.mif里面存的有经纬度信息,.mid里有地名信息。我不知道怎么对应起来,能帮我一下吗?
beijin 2002-09-28
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beijin 2002-09-28
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.mif


Version 300
Charset "WindowsSimpChinese"
Delimiter ","
Index 1
CoordSys Earth Projection 1, 0
Columns 2
名称 Char(60)
LEVEL Integer
Data

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beijin 2002-09-28
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to blh(老猫) 文件我是有,但是我不懂mapinfo啊,所以想请教你啊
想要多少分都可以
mid:


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"光明影院",219
"射击俱乐部",219
"闸口电影院",219
"华丰影院",219
"杭氧影院",219
"杭歌剧场",219
"兰苑剧场",219
"杭磁会堂",219
"商院会堂",219
"杭电俱乐部",219
"青少年活动中心",219
"杭州剧院",219
"福华影院",219
"人民影院",219
"江滨体育场",321
"省体育场",321
"省体育馆",321
"市体育场",321
"体育场",321
"江滨中学",312
"十五中",312
"西湖中学",312
"杭三中",312
"人民中学",312
"求是中学",312
"学军中学",312
"市第十六中学",312
"艮山中学",312
"市三医院",311
"浙医二院",311
"浙医一院",311
"妇保",311
"市一医院",311
"市四医院",311
"红会医院",311
"市中医院",311
"市六医院",311
"邮电医院",311
"省建工医院",311
"杭州整形医院",311
"省人民医院",311

blh 2002-09-28
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两个文件存储各格式什么,他们之间的对应关系是什么???你不告诉我,我怎么帮你,呵呵
好难攥的20分,呵呵
blh 2002-09-26
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自己输入吧,即使别人有,会免费给你们吗??呵呵
没有免费的午餐,包括linux,呵呵
beijin 2002-09-25
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能否指点一下,我现在用在linux下用proc连接oracle,从中根据已知的经纬度得到该点的,街区等信息,当然了现在就是缺oracle中的数据,我想知道,是不是有别的公司可以提供这样的数据,或者怎么从现在我有的带经纬度的用mapinfo制作的电子地图,得出我需要的数据。谢谢,主要现在我是没有思路,怎么去做
beijin 2002-09-23
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to approach() 、windysys(无翼飞翔)及其他高手,小弟的做的这个定位软件,只是另一个系统的附加功能,目前就我一个人做,让我自己建库,很不现实, 各位知不知道有没有从电子地图(我现在有mapinfo的电子地图)到数据库不见简洁的转换方法,或者目前市场上可以提供这种数据库的公司,谢谢!
zhk1124 2002-09-23
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GPS有二种码我们平时在用的是民用码,有精度不是很高,老外不提供军用码.我前几年我做过GPS电子海图当时是在DOS下实现的,
beijin 2002-09-20
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说的是啊,但是,现在我只有带经纬度的电子地图,我可以一眼看到,我输入的经纬度在地图上的位置,可是怎么让电脑也知道啊,要是数据库有经纬度范围对应的位置记录,我检索就可以了,现在关键的是怎么由地图生成数据库里面的对应关系啊
blh 2002-09-20
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数据库,按照经纬度检索就行了
approach 2002-09-20
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楼上说的对,你的地图库不完善!应将相关的导航信息(经纬,海拔--这个针对gps要求)入库,由于地图是通过多层叠加而成(各层包括不同信息--如街道建筑等等),获得定位信息后查询即可。
windysys 2002-09-20
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自己建库啊.

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