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Showing results 1 to 25 of 29 @ 0.02 seconds. Search: Posts Made By: jafd
Forum: Applications 2012-03-22, 18:03
Replies: 2,065
Views: 900,312
Posted By jafd
Re: [Announce] modRana: a flexible GPS navigation system

Crap, I just have wasted a week of time trying to re-render tiles with the new stylesheet.

Guess what, nowhere in Mapnik docs (nor in __doc__ strings) does it say that Mapnik.Image.view() should...
Forum: Applications 2012-03-20, 15:50
Replies: 2,065
Views: 900,312
Posted By jafd
Re: [Announce] modRana: a flexible GPS navigation system

Some news from competition.

Installed MapDroyd on Android. They render vector data from some unbelievably efficient data files called MicroMap...
Forum: Applications 2012-03-20, 11:30
Replies: 2,065
Views: 900,312
Posted By jafd
Re: [Announce] modRana: a flexible GPS navigation system

So, I managed to get speedup (not giving any numbers, I was too lazy to recheck) for generate_tiles.py which comes with mapnik.
First, I've made it save tiles directly to SQLite database.

Second,...
Forum: Applications 2012-03-15, 08:23
Replies: 2,065
Views: 900,312
Posted By jafd
Re: [Announce] modRana: a flexible GPS navigation system

By some clever use of normalization and a few lines patch for ModRana I have been able to slim dataset for the whole of Poland with zoom level up to 15 and select cities up to 18, from 4792M to...
Forum: Applications 2012-03-15, 07:28
Replies: 2,065
Views: 900,312
Posted By jafd
Re: [Announce] modRana: a flexible GPS navigation system

One reason I'm thinking about is that there are quite complex rules on which details at which sizes are to be rendered, based on a zoom level. Your average SVG files don't provide those rules, and...
Forum: Applications 2012-03-14, 23:50
Replies: 2,065
Views: 900,312
Posted By jafd
Re: [Announce] modRana: a flexible GPS navigation system

The countries are not a problem. But usually you don't want blank data right after the state border, that's the point.


The way it works currently makes me think those people are right. It...
Forum: Applications 2012-03-14, 17:35
Replies: 2,065
Views: 900,312
Posted By jafd
Re: [Announce] modRana: a flexible GPS navigation system

Yep, empty PNGs are just 103 bytes in size. But you can take advantage of preloading one at the very start, and rendering it wherever an empty tile is needed, thus conserving some time (and battery)...
Forum: Applications 2012-03-14, 05:46
Replies: 2,065
Views: 900,312
Posted By jafd
Re: [Announce] modRana: a flexible GPS navigation system

An idea worth considering: an empty tile takes 103 bytes as a file + storage overhead of a row in SQLite. At high zoom levels, OSM has lots of those. Maybe it's worth to have one more column in the...
Forum: Applications 2012-03-13, 15:16
Replies: 2,065
Views: 900,312
Posted By jafd
Re: [Announce] modRana: a flexible GPS navigation system

That's good, I already have gobs of tiles to import. :)

In short: don't muck around with osm2pgsql on a regular machine if aiming at a whole country: it would either be very long, or it will fail...
Forum: Applications 2012-03-12, 21:01
Replies: 2,065
Views: 900,312
Posted By jafd
Re: [Announce] modRana: a flexible GPS navigation system

Yeah, I've seen that. If the blob actually contains tile files verbatim, I think it should be easy to hack together a little Python program from looking at how you store tiles, or even to modify...
Forum: Applications 2012-03-12, 11:27
Replies: 2,065
Views: 900,312
Posted By jafd
Re: [Announce] modRana: a flexible GPS navigation system

Like a bird flying up and down, in other words?

0.29-2

openstreetmap; I also want to set up my own local mapnik to relieve some load on OSM servers.

No no no, I want Mapnik on a PC on the...
Forum: Applications 2012-03-12, 10:08
Replies: 2,065
Views: 900,312
Posted By jafd
Unhappy Re: [Announce] modRana: a flexible GPS navigation system

I think I'm gonna need some help with this one.

I want to have a detailed map of a few cities pre-cached. I go to the city in question, then

1) Download -> around here -> 20 km
2) down max, up...
Forum: Maemo 5 / Fremantle 2011-09-08, 02:08
Replies: 5,430
Views: 1,629,545
Posted By jafd
Re: The in-development Maemo 5 Community SSU

I have found why my phone behaved so weirdly.

The maintainer of libgtk2.0-0 package forgot (or didn't know) that one must do update-gdk-pixbuf-loaders after package installation. What's even more...
Forum: Maemo 5 / Fremantle 2011-09-07, 23:37
Replies: 5,430
Views: 1,629,545
Posted By jafd
Re: The in-development Maemo 5 Community SSU

1.3 + whatever CSSU update was the previous one.

By the way, tried downgrading libgtk2.0-0, no good (in fact, the same). Effectively, gdk-pixbuf cannot load any PNG file.
Forum: Maemo 5 / Fremantle 2011-09-07, 22:46
Replies: 5,430
Views: 1,629,545
Posted By jafd
Re: The in-development Maemo 5 Community SSU

MohammadAG, can you please also look at the issue with GDK-pixbuf image loading I've described above? It is all screwed up and I frankly haven't the faintest idea where to look. It all started after...
Forum: Maemo 5 / Fremantle 2011-09-07, 19:46
Replies: 5,430
Views: 1,629,545
Posted By jafd
Re: The in-development Maemo 5 Community SSU

How come I've lost all icons and theming elements on my N900 after applying today's update?

Symptoms:
1) wallpapers and image files are there but are not displayed. All I have is black...
Forum: Community 2011-07-05, 07:55
Replies: 333
Views: 50,576
Posted By jafd
Re: Google+ invitation requests

Could anyone please send an invite to jaroslaw.fedewicz@gmail.com?
Forum: Competitors 2011-06-28, 17:10
Replies: 4
Views: 3,135
Posted By jafd
Re: The death of Symbian

Nokia does not matter anymore.
Microsoft is dying too, but its train was speedier and heavier, so it might coast longer, smashing other trains which foolishly happen to be found in its range.
Forum: Applications 2011-06-26, 18:23
Replies: 51
Views: 15,986
Posted By jafd
Re: [Announce] Quando Parte, an Italian train station monitor

The problem with the application being online is that in a foreign city of a foreign country, where a public transit app is most important, you are roaming which costs like hell. So a primarily...
Forum: Applications 2011-06-26, 12:40
Replies: 51
Views: 15,986
Posted By jafd
Re: [Announce] Quando Parte, an Italian train station monitor

In Python, for example, we have that thing called polymorphism. There could be hundreds of scrapers feeding data in some common format.

And then, apart from trains, there are many other different...
Forum: Applications 2011-06-25, 12:26
Replies: 51
Views: 15,986
Posted By jafd
Re: [Announce] Quando Parte, an Italian train station monitor

Why in the fscking world doesn't anyone write an application like this for worldwide usage? Use this for Italy, that for Montreal (with a completely different UI), and God forbid you find yourself in...
Forum: General 2011-06-23, 10:08
Replies: 254
Views: 87,739
Posted By jafd
Re: Elop on Helsingin Sanomat: N9 the last Meego phone even if it is succesfull.

Because it's the management style which doesn't care for the company, as long as bonuses can be grabbed by oneself in a very short term.
Forum: General 2011-06-23, 10:03
Replies: 254
Views: 87,739
Posted By jafd
Re: Elop on Helsingin Sanomat: N9 the last Meego phone even if it is succesfull.

I wouldn't trust him to sweep floors. He would first insist that existing mops, brooms and vacuum cleaners are either obsolete or have no "ecosystem" around them, then burn and trash them all to make...
Forum: MeeGo / Harmattan 2011-06-22, 23:34
Replies: 8
Views: 4,771
Posted By jafd
Re: [Announce] Harmattan Python is available

Always needing to be a version behind...
Forum: Maemo 5 / Fremantle 2011-06-22, 22:22
Replies: 0
Views: 979
Posted By jafd
Public transit offline application, *sigh*

Hello there.

Seems strange that Maemo still hasn't got an application for public transit hints which would work offline, with optionally using your GPS.

Say, just like Metró on S60, or (yuck)...
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