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How to download

How to run it from command line

Some problems when downloading

How to view downloaded maps

How to combine small images into one big image

How to download other type maps

How to use offline maps in RMaps, Locus Map or OruxMaps

What projection does Google Maps use?

How to download?

See the shot screen. It is very easy to use.

Firstly, select a maps type in left tree, then input a task name, such like "Mytask.gmid". All task files are saved as *.gmid. If you want to continue an old task, click button "Open task...".

There are 4 parameters (Left Longitude, Right Longitude, Top Latitude, Bottom Latitude) to define the area scope of images that you want to download.

The zoom level defines the image precision.

Select a path to save the project, then click button "Start", OK, start downloading now ... !

When downloading, the log window will show the downloading process. When finished, the log will be saved to a file.

Parameters explainment:

1. Left Longitude: -180<=value<=180, for East, the value is positive, for West, the value is negative.
2. Right Longitude:-180<=value<=180, for East, the value is positive, for West, the value is negative.
3. Top Latitude:-85<=value<=85,for North, the value is positive,for South, the value is negative.
4. Bottom Latitude:-85<=value<=85,for North, the value is positive,for South, the value is negative.
5. Zoom level: defines the image precision, the max zoom is 21. (For trial version, the max zoom is 13.)

The followed sketch map explains the area scope:

For longitude and latitude, the input measurement is degree. You can convert the measurement of "Degrees, Minutes,Seconds" to "Degrees" by click menu
"Misc->Convert 'Degrees,Minutes,Seconds' to 'Degrees'...".

How to get the lat/long information from Google Maps?
You can right-click a location on the map and select "What's here?" The coordinates of that location will automatically appear in the Search box at the top of the page.

click here to see more examples


How to run it from command line?

If your install folder is "C:\allmapsoft\gsmd", you can use the followed command to lauch it automatically:

C:\allmapsoft\gsmd\downloader.exe para1 para2 para3 para4 para5 para6 para7 para8 para9

para1: task name(only filename, without path)
para2: maps type
para3: zoom level
para4: left longitude
para5: right longitude
para6: top latitude
para7: bottom latitude
para8: path to save
para9(optional): "hide" to minimize window when download; if blank, to display window.

For example:

If you want to download an area, Google Satellite Maps (Maps type ID=1, see the followed table):

task name=test.gmid;maps type=1;zoom-level=12; left-longitude=2; right-longitude=3; top-latitude=49; bottom-latitude=48;

path to save=C:\downloads

Then the command line should be:

"C:\allmapsoft\gsmd\downloader.exe" "test.gmid" 1 12 2 3 49 48 "C:\downloads"

if you want to hide the window, please use:

"C:\allmapsoft\gsmd\downloader.exe" "test.gmid" 1 12 2 3 49 48 "C:\downloads" hide

 

Maps Name Maps Type ID
Google Satellite Maps
1
Google Satellite Maps(512px tile)
95
Google Satellite Maps(128px tile)
153
Google Satellite Maps(1024px tile)
154
Google Satellite Maps(64px tile)
155
Google Satellite Maps(768px tile)
179
Google Satellite Maps with Bicycling
291
Google Satellite Maps with Transit
292
Google Satellite Maps with Traffic
293
Google Satellite Maps with Bicycling,Transit,Traffic
310
Google Satellite Maps for China (512px tile)
314
Google Satellite Maps for China
348
Google Satellite Maps for China (coordinates rectified)
2050

After downloading, you can also run combiner.exe from command line mode:

"C:\allmapsoft\gsmd\combiner.exe" para1 para2 para3

para1:task name(full path)
para2:output types(separated with comma)
para3:extent unit ("meters" or "degrees")

For example:

"C:\allmapsoft\gsmd\combiner.exe" "C:\downloads\test.gmid" jpg,tif,mbtiles,gpkg meters

When task finished, the downloader or combiner will be automatically closed.


 

Some problems:

1. Google map uses a protection mechanism to keep a good quality of service. If one makes too much requests, google map will add its IP address to a blacklist, and you may see a message:

Google Error : 403 forbidden

If this happened, Google Satellite Maps Downloader will show a messge in log window: May be your IP is banned by Google. Then you must wait for some time(24 hours) or change to another IP.

To avoid IP banned, you can try to set the downloader to pause some minutes.
Click menu "Misc"->"Options", the following window will be displayed: check the checkbox "Set pause to avoid IP banned.

2. For some areas, there are no high precision images on google's server, so may be caused a error "404 not found" when you try to download such images. If this happened, you need to set smaller zoom size to download. (For most areas, the max zoom level is 18)

3. Sometimes when you click 'download' button it shows this message: "Cannot create file c:\allmapsoft\gsmd\ini\v.txt", you can "Run as administrator" to solve this problem.


 How to view downloaded satellite images?

You can view downloaded maps without combining them into one big file.
We provide a tool to view the images, you can run it from menu "Tools"->"Map Viewer".

Then open a project from menu "File"->"Open task..." to view the map.

click here to see more examples


 

How to combine small images into one big image?


After downloading, all small images are saved on your disk. Then you can combine them into one big image map.

We provide a tool, you can run it from menu "Tools"->"Map Combiner".


If the created bmp is too large, you can use tool BMP Splitter to split it. Click menu "Tools"->"BMP Splitter" to use it.

 


How to download other type maps?

Google Satellite Maps Downloader can only download satellite images of Google Maps, if you want to download other types of maps, we provide other tools:

Google Maps Downloader : It can download normal maps, satellite maps, terrain maps and hybrid maps of Google Maps.

Universal Maps Downloader: It can download maps from many maps servers. Please click here to see all map types (2000+) , and click here to see all tiles samples.

Offline Map Maker: Difference from Universal Maps Downloader: Offline Map Maker can download multi zoom level in one task, but Universal Maps Downloader can only download single zoom level in one task.

google earth images downloader: It can download images (including historical imagery) from google earth servers, not google maps.

 


How to use offline maps in RMaps, Locus Map or OruxMaps?

After exporting all downloaded tiles into a sqlite database, then you can use the sqlite file in some Android apps, such like RMaps and OruxMaps.

For RMaps: When you finished exporting tiles to sqlite database with export type 'For RMaps or Locus Map', you will get a file: your_task_name.gmid.sqlitedb, then copy it to your Android device, to your RMaps installed path, might be like '/sdcard/rmaps/maps/', then refresh your RMaps offline maps, you will see a new offline maps "your_task_name_gmid.sqlitedb".
Note: when you view the offline maps in RMaps, you need to zoom it to your downloaded zoom level, otherwise, it will show blank maps.

For Locus Map: Same as RMaps, when you finished exporting tiles to sqlite database with export type 'For RMaps or Locus Map', you will get a file: your_task_name.gmid.sqlitedb, then copy it to your Android device, to your Locus Maps installed path, might be like '/sdcard/Locus/maps/', then refresh your Locus offline maps, you will see a new offline maps "your_task_name.gmid.sqlitedb".

For OruxMaps: When you finished exporting tiles to sqlite database with export type 'For Oruxmaps', you will get two files: your_task_name.gmid.otrk2, your_task_name.gmid.OruxMapsImages.db, you need to rename the your_task_name.gmid.OruxMapsImages.db to OruxMapsImages.db, then on your Android device, in your OruxMaps installed path, might be like '/sdcard/oruxmaps/mapfiles/', create a new folder suchlike 'exmaple', then copy "OruxMapsImages.db" and "your_task_name.gmid.otrk2.xml" to this folder, refresh your oruxmaps offline maps, you will see a new offline maps "your_task_name_gmidmap".


What projection does Google Maps use?

Google Maps uses Web Mercator ( EPSG:3857), more detail information about it, you can goto these links to see:

http://epsg.io/3857

http://wiki.openstreetmap.org/wiki/EPSG:3857

http://gis.stackexchange.com/questions/48949/epsg-3857-or-4326-for-googlemaps-openstreetmap-and-leaflet

 

 

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