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Drawback of going to providers directly would also require negotiations with each of the providers separately and same goes for payment by users.Īs a developer and a user, I would like to have some kind of a proxy company that would They were considering it, but it got shelved as I suspected that number of users is too low and it would generate too little revenue for them (I had an estimate of 4KEUR/year). I have contacted Maptiler regarding a change in API scheme and whether they would be interested in switching it to a scheme where each user is charged. Which is a fine approach for apps generating revenue, but doesn’t really work well for open source apps. That way companies make sure that it is simple and free to develop against the services, but they get money for their work when app gets popular.
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There is some chunk of API calls that are given for free per month, but as soon as you extend it, you are expected to pay. Not sure for how long can it last and there is no way we can provide live traffic through such scheme, for example.įor online maps, the scheme for the services is similar throughout the sector: you get API keys and access services using it. While seems to be able to do all at home, I am using former lab server to distribute maps.
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For example, move towards offline maps and accept limitations of updates and distribution. One way is to reduce the costs and move all to what the developers can share as a part of the hobby. Already for Pure Maps, it is an issue (note 2 below). Such arrangement cannot really work in a long run. So, while companies pay for the services, there is no influx of money via us for it. Right now, in the context of Pure Maps, we use a part of the service that is given for free per each month and no payed services. So far, all these companies operate in business-to-business manner. There are several companies that provide mapping services which fit the task (see note 1 below).
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Add here salaries and other costs for companies providing the services and we get a set of costs that have to be payed for.Īssuming that we want nobody tracking us, respecting our privacy, and not showing ads, we have to figure out how to pay for maps. In principle it applies for online and offline maps, as both require data processing and serving it. While apps could be written as a hobby, there are several aspects in providing maps that end up as costs for CPU, storage, and network. It is not limited to Pure Maps, nor Sailfish OS and is the issue that is common for many open-source mapping apps on all platforms. While similar line of thought maybe valid for other services, let’s keep discussion focused on mapping. This message is regarding mapping applications. Otherwise, it will be difficult to advance the apps and have functioning ecosystem TL DR: We need to find a scheme for paying mapping companies for their services. However to retain consistency with the syntax used in the description of the affine geometric transformation, in the formulas below the bin grid is the affine source CRS and the map grid is the affine target CRS. As such the example bin grids in the EPSG Dataset are described with the map grid (projected CRS) as source CRS. In practice bin grid definitions are based on an identified map grid.
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The P6 (I = J-90) seismic bin grid operation is a special case of the Affine Geometric Transformation (method code 9623). Users are encouraged to use that document rather than the text which follows as reference because limitations in the transcription will be avoided. Note: These formulas have been transcribed from EPSG Guidance Note #7-2.