Re: [gentoo-user] Headless question: Harvesting the results...software needed.
On Oct 1, 2014, at 5:54, meino.cra...@gmx.de wrote: Matti Nykyri matti.nyk...@iki.fi [14-10-01 00:26]: On Tue, Sep 30, 2014 at 08:12:38PM +0200, meino.cra...@gmx.de wrote: Matti Nykyri matti.nyk...@iki.fi [14-09-30 19:44]: On Sep 30, 2014, at 17:12, Alec Ten Harmsel a...@alectenharmsel.com wrote: On 09/30/2014 10:05 AM, meino.cra...@gmx.de wrote: Suppose the GPS would already be attached to the board and works... Is there any free available software and data for strict offline useage (which does NOT calls to home), which is able to map GPS data to a street/land map? I need both: The maps themselves and the logic to read GPS coordinates and map movements and ways to those maps. Is something like that available for free or should I directly ask the NSA/CIA/FBI/...? Thank you very much in advance for any help! Best regards, mcc The only project I know of that has openly available map data is OpenStreetMap (openstreetmap.org). I know they have an API, and they probably (not sure) have maps available for download. afaik the only way to combine various map data out of the box is to use a GIS package like QGIS. You can write software to do this using the proj4 library for an embedded box, not sure if anything for your specific use case already exists and is open source. Alec Sorry iphone send mail even if you don't wanna :/ What you are considering doing is quite a challenge. What kind of coordinates does your gps module give you? The gps system works with cartesian x y z coordinates. Then these are usually displayed to the user in WGS-84. This is a quite hard mathematical problem (differential elliptical problem). Usually is done by your gps receiver and is approximated. GIS libraries have these functions built inside. Distances are easier and faster to calculate in cartesian coordinates. You need to calculate distance because coordinates from gps will never coincide with any address. Open street maps provides a very good start, but addresses have great differences in different countries. For example google misses addresses quite much depending on where you are searching. Getting the address right requires good locality from the program. Addresses and roads are vector maps. The fastest way to get address is to have the vector map of the world and then calculate distance to the closest address. The database will be huge :) Maps are usually raster pictures which have some projection. When you display them you can use 3d or 2d visual. In 3d (like google earth) you draw a sphere (or oblate spheroid) and draw textures on top of is to the right coordinates. In 3d everything needs to be converted to cartesian coordinates. Or in 2d you decide a projection and then convert the projection of your maps to this projection. After that it is just easy drawing. GIS libraries contain all the needed tools for these operations. There are a few of them with open source license. I have been doing some work with opengl 3d drawing maps. Good luck your project is quite big but it is sure very much fun :) -- -Matti YEAH! Matti is back! I saw your previous mail and thought: Oh boy...Clint Eastwood is very talkative compared to /him/. ;;;))) Trashed the phone... and now back to the good old fashion terminal connection. I am not /that/ serious this evening...sorry... With all the help from this forum this evening I got by far more working results as I have thought... But back to your mail: The GPS module I plan to use is this one (by Adafruit, Lady Ada): https://learn.adafruit.com/adafruit-ultimate-gps/overview From there (see link list on the left) you can also download the manuals (pdf). Nice... MicroTek chipset. Quite easy to use. I will not use this thing as a driving assistant or navi (is this common speaking outside germany also...or is it one of those pseudo english german words like handy for cell phone...dont laugh! This time /I am/ serious! :) ) Its more like a GPS data logger. I plan to copy the gathered data on my PC later and I will try to draw them onto a map. May be the results proof later, that I am able to walk through walls and hovering over the face of the waters...;) Ok. This is easy... You just need some maps... openstreetmaps are good for that. From the MT3339 you get NMEA messages and WGS-84 coordinates. I would suggest displaying your results in 2D. For germany Lambert conformal conic projection is good choice. In this projection all angles are true and sreight lines are great circle routes. Just convert the maps to this projection and convert your coordinates to Lambert false easting and false northing and you will have cartesian coordinates that are easy to draw. Even excel is able to draw this in real time :) I don't see where you need the address resolution. May be the UV-mappinga abillity of this 3D renderig program will help -- I am using it
Re: [gentoo-user] Headless question: Harvesting the results...software needed.
Matti Nykyri matti.nyk...@iki.fi [14-10-01 13:16]: On Oct 1, 2014, at 5:54, meino.cra...@gmx.de wrote: Matti Nykyri matti.nyk...@iki.fi [14-10-01 00:26]: On Tue, Sep 30, 2014 at 08:12:38PM +0200, meino.cra...@gmx.de wrote: Matti Nykyri matti.nyk...@iki.fi [14-09-30 19:44]: On Sep 30, 2014, at 17:12, Alec Ten Harmsel a...@alectenharmsel.com wrote: On 09/30/2014 10:05 AM, meino.cra...@gmx.de wrote: Suppose the GPS would already be attached to the board and works... Is there any free available software and data for strict offline useage (which does NOT calls to home), which is able to map GPS data to a street/land map? I need both: The maps themselves and the logic to read GPS coordinates and map movements and ways to those maps. Is something like that available for free or should I directly ask the NSA/CIA/FBI/...? Thank you very much in advance for any help! Best regards, mcc The only project I know of that has openly available map data is OpenStreetMap (openstreetmap.org). I know they have an API, and they probably (not sure) have maps available for download. afaik the only way to combine various map data out of the box is to use a GIS package like QGIS. You can write software to do this using the proj4 library for an embedded box, not sure if anything for your specific use case already exists and is open source. Alec Sorry iphone send mail even if you don't wanna :/ What you are considering doing is quite a challenge. What kind of coordinates does your gps module give you? The gps system works with cartesian x y z coordinates. Then these are usually displayed to the user in WGS-84. This is a quite hard mathematical problem (differential elliptical problem). Usually is done by your gps receiver and is approximated. GIS libraries have these functions built inside. Distances are easier and faster to calculate in cartesian coordinates. You need to calculate distance because coordinates from gps will never coincide with any address. Open street maps provides a very good start, but addresses have great differences in different countries. For example google misses addresses quite much depending on where you are searching. Getting the address right requires good locality from the program. Addresses and roads are vector maps. The fastest way to get address is to have the vector map of the world and then calculate distance to the closest address. The database will be huge :) Maps are usually raster pictures which have some projection. When you display them you can use 3d or 2d visual. In 3d (like google earth) you draw a sphere (or oblate spheroid) and draw textures on top of is to the right coordinates. In 3d everything needs to be converted to cartesian coordinates. Or in 2d you decide a projection and then convert the projection of your maps to this projection. After that it is just easy drawing. GIS libraries contain all the needed tools for these operations. There are a few of them with open source license. I have been doing some work with opengl 3d drawing maps. Good luck your project is quite big but it is sure very much fun :) -- -Matti YEAH! Matti is back! I saw your previous mail and thought: Oh boy...Clint Eastwood is very talkative compared to /him/. ;;;))) Trashed the phone... and now back to the good old fashion terminal connection. I am not /that/ serious this evening...sorry... With all the help from this forum this evening I got by far more working results as I have thought... But back to your mail: The GPS module I plan to use is this one (by Adafruit, Lady Ada): https://learn.adafruit.com/adafruit-ultimate-gps/overview From there (see link list on the left) you can also download the manuals (pdf). Nice... MicroTek chipset. Quite easy to use. I will not use this thing as a driving assistant or navi (is this common speaking outside germany also...or is it one of those pseudo english german words like handy for cell phone...dont laugh! This time /I am/ serious! :) ) Its more like a GPS data logger. I plan to copy the gathered data on my PC later and I will try to draw them onto a map. May be the results proof later, that I am able to walk through walls and hovering over the face of the waters...;) Ok. This is easy... You just need some maps... openstreetmaps are good for that. From the MT3339 you get NMEA messages and WGS-84 coordinates. I would suggest displaying your results in 2D. For germany Lambert conformal conic projection is good choice. In this projection all angles are true and sreight lines are great circle routes. Just convert the maps to this projection and convert your coordinates to Lambert false easting and false northing and you will have cartesian coordinates that are easy to draw. Even excel is able to draw this in real time :) I don't
Re: [gentoo-user] Headless question: Harvesting the results...software needed.
On Wednesday 01 Oct 2014 14:26:33 meino.cra...@gmx.de wrote: After 24 h my DSL line is forced to disconnect by the provider and the download fails. Grrmmmpppfff... Will wget -c URL work in this case? -- Regards, Mick signature.asc Description: This is a digitally signed message part.
Re: [gentoo-user] Headless question: Harvesting the results...software needed.
Mick michaelkintz...@gmail.com [14-10-01 15:34]: On Wednesday 01 Oct 2014 14:26:33 meino.cra...@gmx.de wrote: After 24 h my DSL line is forced to disconnect by the provider and the download fails. Grrmmmpppfff... Will wget -c URL work in this case? -- Regards, Mick Hi Mick, yesno... ;) or it depends... There is anoter problem...the data files will be updated each day as far as I understand that... So you get two parts of data which will or will not fit together. Best regards, mcc
Re: [gentoo-user] Headless question: Harvesting the results...software needed.
On Oct 1, 2014, at 16:40, meino.cra...@gmx.de wrote: Mick michaelkintz...@gmail.com [14-10-01 15:34]: On Wednesday 01 Oct 2014 14:26:33 meino.cra...@gmx.de wrote: After 24 h my DSL line is forced to disconnect by the provider and the download fails. Grrmmmpppfff... Will wget -c URL work in this case? -- Regards, Mick Hi Mick, yesno... ;) or it depends... There is anoter problem...the data files will be updated each day as far as I understand that... So you get two parts of data which will or will not fit together. Nice :)
[gentoo-user] About vbox vm kernel config
I want to install gentoo as guest with VirtualBox. Host is windows 7. In the past I've lost lots of time doing this: Getting the right drivers into the kernel build. My equipment is nothing weird... a Sager NP8760 Laptop with an older i7 and 8GB ram. I wondered if anyone can offer a `.config' for a very recent kernel or at least not ancient that they know will build a bootable (in the env mentinoed above) kernel. I've been off this list for many months, but have spent yrs here... recently been running debian but spent something like 7-8 yrs on gentoo. Anything that might ease the process of building a functional setup as vbox guest would be most welcome here.
