问题
I have an image which 21810x14872 that project a box of an area with coordinate:
top, left corner latitude longitude : 23.635069763547662 , 58.09107365049769 bottom, right corner latitude longitude : 23.598520470202025 , 58.14957297881731
OR using WGS84 northing, easting:
top, left corner easting, northing : 617289.588, 2610249.342 bottom, right corner easting, northing : 611289.588, 2614249.428
My image use projection of WGS84. How do I create world file for maptiler using above description.
Thanking You.
回答1:
In MapTiler (http://www.maptiler.com/) you can use the "Bounding Box" georeferencing - to provide the four limiting coordinates (north, south, east, west) you mentioned above to assign location to your image directly. You probably don't need to create a World file then.
Just choose in MapTiler the "Mercator tiles", then drag&drop in your file, select your coordinate system (default is the WGS84 geodetic latitude / longitude) and on assign location click on Bounding box. A dialog opens when you can directly type the four numbers. MapTiler previews the covered area in the small map window in bottom right corner.
See these video tutorials which demonstrate the usage of Bounding Box:
https://www.youtube.com/watch?v=p8rNkaNXDPs&list=PLGHe6Moaz52PiQd1mO-S9QrCjqSn1v-ay
and another which also generates MBTiles and upload these to Amazon S3: https://www.youtube.com/watch?v=pf8itiTwo6w&list=PLGHe6Moaz52PiQd1mO-S9QrCjqSn1v-ay
BTW WGS84 is a world geodetic system (latitude and longitude) in degrees. It is not a map projection nor projected system. The second coordinates you mentioned look like UTM coordinates or another projected coordinates in meters. To use these you would need to know the exact coordinate system definition (ideally so called EPSG code - see our http://epsg.io/).
来源：https://stackoverflow.com/questions/26535911/creating-world-file-for-maptiler