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Looking for Vector contributor

Tejal Bernardo said:
it will be a photoreal scenery ?
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Photoreal is being used in certain areas. So, the more accurate, the better.

Tejal Bernardo said:
The file have information about buildings, roads and rivers so it's usefull for tools like Scenproc, in the creation of autogen. Once the coastline would be defined the tool FsxKml could créate the islands, right now can't remember the process.
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Just to clarify, for this area of vector, I currently only need shorelines and water bodies. (Rivers, Lakes, etc.) Roads and LC are all being done by hand.
 
I will upload the .shp file, it's not finished, by experience it would be good to start the shorelines drawings from scratch, too much work. but you can get some data from the file like roads, rivers, buildings. Maybe someone be interested. I have been looking for a method to convert shapes created in photoshop, rasterized and aferward poligonized in Qgis, but no way. go ahead with the proyect is interesting enough.
 

Attachments

Tejal Bernardo said:
I have been looking for a method to convert shapes created in photoshop, rasterized and aferward poligonized in Qgis, but no way
Click to expand...

I just tried that myself today! I got it to work (using the OSGeo4W Shell) but I wasn't very happy with the .shp I ended up with. Seems the secret is you can only have 2 colors on your raster (black/white) and even if you use anti-aliasing on the lasso tool when you select the filled areas there's enough variance in blacks/grays that gdal_polygonize starts making millions of tiny little polys around the edges. So then if you don't use any anti-aliasing when you select you end up with a single poly but the edges of it look like this:

gdal_polygonize01.jpg


No way around it that I can see. I tried the SRTM .shps and they all had jagged edges too. Maybe there's some payware shoreline data somewhere that's accurate and smooth enough to use in an automated way but I doubt it. I agree, there's only one way to do quality hydro polys and shorelines and that's to click them out by hand, this project will require about 30 years to complete I think, lol.
 
Yes, all those litlle square polys, all these experiments was made in a Little chaotic manner,as I have not enough knowledge in gis stuff, Maybe exporting as ai ilustrator file could have better results, or dxf files. In global mapper there is a tool where you can "smooth" the poligonized shapefile, (it was a Little light), then I could isolate the most outside shape line, just selecting it. it seem that work at first attempt but in the second fail in the process, it was what I got with the Little knowledge about the matter, anyway must be a way to get line shape file from our own drawn rasters. will be really interesting for flight simulator productions. because for projects like this is a Little insane to trace the coastline of the islands.
 
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