Questions tagged [prj]

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Reprojecting a Raster in QGIS

I have a .asc file from the german DWD, which displays the sunshine duration in Germany. through an older post I already figured out that in order to be able to work with the .asc file i have to ...
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39 views

Is it possible to rotate about a point with a .prj file?

I'm aiming to create a .prj file to use within Pix4d so that the output is in a local grid. I have the following information to assist: Conversion MGA94(AHD) to Grid This conversion involves both a ...
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75 views

Understanding proj4, epsg and esri *.prj in depth? [closed]

Where can I find a good resource that teaches me 1) about the difference between proj4, EPSG and ESRI *.prj? (Why do several coordinate system definitions exist? When should I use which? How are they ...
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171 views

Unable to perform SAGA point snapping to line on Win and Mac

I have been trying to snap points from a shapefile to a line feature from another shapefile. However, each time I do this, I get the following error(s) (depending upon the OS used): (For OSX El ...
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93 views

Copy a .prj-file from another shapefile to a new one when the projection is known?

I have a bunch of shapefiles of which I know the projection (EPSG:28992). However, they did not come with a prj-file (.prj). Rather than defining the projection and re-saving the files, I wonder ...
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106 views

Clockwise rotation bias in projection of shp

I am working on a land use/land cover map of Lebanon with QGIS. This shapefile has a .prj file, but apparently QGIS fails in recognizing the projection, as it results shifted northeastwards. See ...
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304 views

Pixels to lat,lon in Python from .shp, and .prj

I have the task to analyse ice types. I'm using Python to assist, no other programs is possible, unless I can export pure text dumps from said program, it's free and it can be fully automated and ...
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224 views

Why ogr doesn't read this kind of prj

I run the code below, that I would hope to return the parameters from projection file (.prj). However it doesn't work as I would expected. I realized that the it isn't working because the some ...