How to download
How to view downloaded maps
How to combine small images into one big map
Some problems when downloading
How to know the longitude and latitude of each image
How to download?
See the screenshot. It is very easy to use.
1, Enter a task name, such like "Mytask.egmd". All task files are saved as *.egmd.
If you want to continue a old task, click button "Open task... ".
2, Select Maps type. There are 4 types of maps.
3, There are 4 parameters (Left Longitude, Right Longitude, Top Latitude, Bottom Latitude) to define the area scope of images that you want to download.
Left Longitude: -180<value<180, for East, the value is positive, for West, the value is negative.
Right Longitude:-180<value<180, for East, the value is positive, for West, the value is negative.
Top Latitude:-85<value<85,for North, the value is positive, for South, the value is negative.
Bottom Latitude:-85<value<85,for North, the value is positive, for South, the value is negative.
For longitude and latitude, the input measurement is degree. You can convert the measurement of "Degrees, Minutes,Seconds" to "Degrees" by click menu "Tools->Convert 'Degrees,Minutes,Seconds' to 'Degrees'...".
The followed sketch map explains the area scope:
How to get the latitude/longitude information from Google Maps?
You can right-click a location on the map(http://maps.google.com) and select "What's here?" , The coordinates of that location will automatically appear in the Search box at the top of the page.
4, Define the zoom level. The zoom level defines the image precision. For trial version, the max zoom level is 13, so you can not download high precision images.
5,
Select a path to save the project and downloaded images
6, Then click button "Start", OK, start downloading now ... !
When downloading, the log window will display the downloading process. When finished, the log will be saved to a file.
After downloading, there will be a file named as *.ftl, if there are some files failed or missed, you can re-download them: menu "tools"->"re-download failed files".
How to view downloaded maps?
You can view downloaded maps without combining them into one big BMP.
We provide a tool to view the images, you can run it from menu "Tools"->"Map Viewer".
Then open a task from menu "File"->"Open task..." to view the map. 
How to combine small images into one big map?
After downloading, all small images are saved on your disk. Then you can combine them into one big image map.
We provide a tool : Combiner.exe. You can run it from menu "Tools"->"Map Combiner". 
It can output bmp file with a bpw file. And it can also create a georeferenced tif file, and a map file for OziExplorer. You can convert it to other format by yourself using some image tools such like PhotoShop.
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 happend, 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 or change to another IP.
2. For some area, there are not high precision images on google's server, so may be caused a error when you try to download such images. If this happend, you need to set smaller zoom size to download. (For most areas, the max zoom level is 18)
How to know the longitude and latitude of each image
There are two methods to know the longitude and latitude of every downloaded image.
1. After downloading, the software will create a text file named as "projectname_list.txt" in your project path. In this file all the images' longigude and latitude information are saved.
The file looks like:
ImageFileName Left_Edge_Longitude Right_Edge_Longitude Top_Edge_Latitude Bottom_Edge_Latitude
gs_132778_90181_18.jpg: 2.34283447265625 2.34420776367188 48.86019753088974 48.85929403653233
gs_132778_90182_18.jpg: 2.34283447265625 2.34420776367188 48.85929403653233 48.85839052586621
gs_132778_90183_18.jpg: 2.34283447265625 2.34420776367188 48.85839052586621 48.85748699889132
gs_132778_90184_18.jpg: 2.34283447265625 2.34420776367188 48.85748699889132 48.85658345560756
2. When you view map in Satellite Viewer, the longitude and latitude will be displayed in the statusbar.
And in the log file, the exactly longitude and latitude of the downloaded area are saved as Left Longitude download.., etc.. see the followed example.
An example of log file:
Project: C:\getallmaps\paris_sat_18.egmd
Now time is:2010-9-4 21:19:02
[MapsType]
MapsType=1
Left Longitude input= 2.344
Right Longitude input= 2.356
Top Latitude input= 48.86
Bottom Latitude input= 48.85
MinX = 132778
MinY = 90181
MaxX = 132787
MaxY = 90192
Left Longitude download=2.34283447265625
Right Longitude download=2.3565673828125
Top Latitude download=48.8601975308897
Bottom Latitude download=48.8493545222104
All images' scope information are saved to C:\getallmaps\paris_sat_18_list.txt
Total count of images would be downloaded: 120
Download threads count: 8
Zoom level: 18
path: C:\getallmaps\
Start downloading...
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
T5:seq=4,gs_132778_90184_18.jpg OK
T4:seq=3,gs_132778_90183_18.jpg OK
T8:seq=7,gs_132778_90187_18.jpg OK
T7:seq=6,gs_132778_90186_18.jpg OK
T6:seq=5,gs_132778_90185_18.jpg OK
T1:seq=8,gs_132778_90188_18.jpg OK
T3:seq=2,gs_132778_90182_18.jpg OK
.........
.........
T3:seq=106,gs_132786_90190_18.jpg OK
T3:seq=114,gs_132787_90186_18.jpg OK
T3 Finished.
T8:seq=119,gs_132787_90191_18.jpg OK
T8 Finished.
--------------------------------
Task Stoped!
Now time:2010-9-4 21:19:13
Log file has been saved as C:\getallmaps\paris_sat_18_log.txt
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