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Read canvas image by HTTP: Difference between revisions
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|script_version = 0.40 | |script_version = 0.40 | ||
}}</ref>. | }}</ref>. | ||
Many of these avionics/graphics are created by FlightGear's 2D drawing [[Canvas]] system internally. | |||
In addition there, are a number of other use-cases where being able to obtain a Canvas from fgfs using a network protocol like http may be desirable (e.g. imagine getting a tilemap based on actual scenery from FlightGear <ref>{{cite web | In addition there, are a number of other use-cases where being able to obtain a Canvas from fgfs using a network protocol like http may be desirable (e.g. imagine getting a tilemap based on actual scenery from FlightGear <ref>{{cite web | ||
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|added = Sep 22nd, 2014 | |added = Sep 22nd, 2014 | ||
|script_version = 0.40 | |script_version = 0.40 | ||
}}</ref> | }}</ref>. | ||
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This article provides a patch to FlightGear for downloading any canvas image from a running FlightGear process by HTTP by serializing it to a raster image and serving that via the built-in mongoose based httpd server <ref>{{cite web | This article provides a patch to FlightGear for downloading any canvas image from a running FlightGear process by HTTP by serializing it to a raster image and serving that via the built-in mongoose based httpd server <ref>{{cite web | ||
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}}</ref>. | }}</ref>. | ||
== Problem == | == Problem == | ||
a modern biz jet will need to be able to display certain MFDs - fgpanel is not too useful for that (unless you are primarily dealing with steam gauges) - the most useful search terms for the forum/wiki will be '''Phi''' and '''FGCanvas''' - the latter of which is a special startup mode of FlightGear itself that can render Canvas based MFDs in a separate instance. | a modern biz jet will need to be able to display certain MFDs - fgpanel is not too useful for that (unless you are primarily dealing with steam gauges) - the most useful search terms for the forum/wiki will be '''Phi''' and '''FGCanvas''' - the latter of which is a special startup mode of FlightGear itself that can render Canvas based MFDs in a separate instance. | ||