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Mystery of the invisible maps

Steve Miller shared this question 11 years ago
Answered

I have three offline maps so far: tile for France, vector for France, and vector for British Columbia. I am currently located in British Columbia.


Right now, I can view the vector map of British Columbia, but the other two maps appear as just blank squares. I can pinch the squares larger and smaller, or swipe them around, but they are just blank squares.


Here are some clues, that I hope will lead someone to clearly see what is causing my problem:


Earlier, before I downloaded British Columbia, I could see the France maps. I experimented with creating a navigation track. (I am new to this app!) but at that time could not find how to remove it.


I downloaded British Columbia, but when loading that map could not see it, but only the navigation track from France on a field of blank tiles.


I wondered if the British Columbia map was corrupted, but then I installed Locus Pro, and in that newly initialized program, the British Columbia map appeared.


I did not create any tracks in British Columbia, but did operate the GPS to show my present location here.


Now, the France maps will not display.


My guess is that if the app has something (like a track or a GPS circle) to display, it expects the geographically appropriate map to be loaded in the background. However I have turned off the GPS, so nothing is "happening" in British Columbia, but France still does not appear.


Comments?

Replies (3)

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1

I believe I have figured this one out on my own. I was correct to guess that Locus expects the user to have a proper map behind a feature that it is trying to display in the foreground.


What happened to me here was that I had the France map displayed when I pressed the GPS button. That moved the view on the France map all the way over to Canada. In Canada, the France map is nothing but blank squares! To see France again one must choose the tools button from the maps screen, and select "center map".


I am not sure if there is a better way to design this, but over here we call this a "booby trap". That is, a button (the GPS button - lower left) lurks on the main screen, and is such that if you press it at the wrong time, your map disappears without notice!

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Hi Steve,


Locus always has the current map center at a certain position on the world.


This position can be changed by different means


- shifting the map around


- press the "center map to your current position" button in the lower left corner


- and few others


It seems that you activated the mentioned button which of course shall move the map center to your current location


Disabling the button afterwards does _not_ return to the previous location but simply leaves position on map unchanged.


If you feel unsafe what happened regarding location I recommend to view "Coordinates" in the top panel:


http://docs.locusmap.eu/doku.php/manu...

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Under Menu/Settings/Map-Advanced you can select "Map Autoload" for personal maps and for Vector maps.


Do that and you are done with the blank map screen.


I even think this setting was default "on" in recent versions (upon a new install).

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