[Gambas-user] how to use gb.map offline?

Sat Jan 28 18:11:59 CET 2023

  i attach an image of what I see... i am doing wrong for sure but i
dont know how to do it right.
Roberto

Il 28.01.2023 17:42 Fabien Bodard
ha scritto: 

> You have to open directly with the ide.. 
> In the file
browser right click on it and uncompress it 
> 
> Le sam. 28 janv. 2023
à 17:32, a écrit : 
> 
>> Hello, 
>> unfortunately, the attach demo in
.tar.gz format is unreadable, the sistem tranform it into
AnotherMapDemo-0.0.1.tar.gz.gmail.txt and even if i rename it, it is not
un-tarrable.
>> can you provide attach in other way or put on a share
service on intenrnet?
>> Thanks,
>> Roberto
>> 
>> Il 28.01.2023 15:40
Fabien Bodard ha scritto: 
>> 
>>> Le sam. 28 janv. 2023 à 15:13, a
écrit : 
>>> 
>>>> Il 28.01.2023 14:55 Fabien Bodard ha scritto:
>>>>

>>>> > Le sam. 28 janv. 2023 à 03:48, BB a écrit :
>>>> >
>>>> >> On
28/1/23 11:09 am, roberto.premoli at tiscali.it [1] [2] wrote:
>>>> >>
>>>>
>>> hello,
>>>> >>>
>>>> >>> I started to play with gb.map component and
it is amazing!
>>>> >>> the question is: how to use it off line? I mean,
my application 
>>>> >>> will
>>>> >>> work without access to
internet,
>>>> >>> so I must first download the data of the area I need
( a region of
>>>> >>> italy) and then tell to gb.map to search data on
local harddisk.
>>>> >>> is it feasible? if yes, how?
>>> 
>>> you can
download all the datas on you ard Disk ... (it's udge because it's png
and not vector datas) 
>>> you can achieve the full data extraction by
understanding tiles are managed in the server side (easy) 
>>> each tile
file have a structure zoom-x-y.png so the mapview can use it 
>>> you
have all the tools needed to download the full italy maps (18 zoom
level) in the tilemap class source code 
>>> 
>>>>>>> 
>>>> >>>
Thanks,
>>>> >>> Roberto
>>>> >>>
>>>> >>
>>>> > Not a all 😅
>>>> > Just
add a buffer name to the map tile layer
>>>> > It will save the tiles in
.cache/gb.map/buffer name
>>>> > So you can use it in offline mode.
>>>>
> By the way this is a grow only cache.. I've not made any things to

>>>> > free
>>>> > it or update.
>>>> > (Todo things)
>>>> > It is not
allowed to store tiles from Google or other non free 
>>>> >
source..
>>>> > 😉 but for openstreetmap .. it's ok
>>>> >
>>>> 
>>>> To
cache maps means that fist I have to connect the system to internet,

>>>> visit ALL the area that is of my interest, so the module caches
data 
>>>> locally for a next use. IT is rusty, but it can be done, due
to the fact 
>>>> that the map i am interested in is quite little. But
in case this will 
>>>> grow to a region/country it is clearly not
enough and need a local 
>>>> server to provide data. Anyway, at the
moment, i can use the "cache" 
>>>> trick. So, here the questions:
>>>>
A. how to activate the cache? can you provide the prfof-of-concept 
>>>>
program for this?
>>> 
>>> yep done B. how i have to do the "caching"
process? i mean, i 
>>> 
>>>> ALL data of italy will be archived locally
with ALL 
>>>> related details (streets, building, names, etc). 
>>>>
yes :-) ... 
>>>> near 269 000 000 files for italia 14 ko/file.. 3766 gb
? ... I'm I wrong ? 
>>>> usually a user does not explore the ful
>>>
les 
>>> Map is a too level class... you can use Map solo for priniting
or static map, and mapwiew for dynamic map. 
>>> Thanks,
>>> Roberto
>>>

>>> VOUCHER CONNETTIVITÀ per P.IVA e PMI: internet a canone 0 per 48
mesi. 
>>> ATTIVA ORA
>>> 
>>>
https://casa.tiscali.it/promo/?u=https://promozioni.tiscali.it/voucher_business/?r=TS00000A00025&dm=link&p=tiscali&utm_source=tiscali&utm_medium=link&utm_campaign=voucherbusiness&wt_np=tiscali.link.footermail.voucherbusiness.btb..
>>>>

>>>> ----[ http://gambaswiki.org/wiki/doc/netiquette [2] ]---- 
>>>>
-- 
>>>> 
>>>> Fabien Bodard
>> 
>> VOUCHER CONNETTIVITÀ per P.IVA e
PMI: internet a canone 0 per 48 mesi. ATTIVA ORA
>>
https://casa.tiscali.it/promo/?u=https://promozioni.tiscali.it/voucher_business/
[4]
>> 
>> ----[ http://gambaswiki.org/wiki/doc/netiquette [5] ]----

VOUCHER CONNETTIVITÀ per P.IVA e PMI: internet a canone 0 per 48 mesi. ATTIVA ORA
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