The distance between a Linestring and a POI > from geodist import GeoDist > GeoDist(coords, radius=3000).distance(lng, lat)Īnother feature of GeoDist can tell if the POI is inside or outside the shape: > a = GeoDist(coords, radius=1000) > GeoDist(coords, radius=2000).distance(lng, lat) > GeoDist(coords, radius=1000).distance(lng, lat) The distance between circles and a POI > from geodist import GeoDist Make sure 'print active sheets' is selected, then print. Tried different print driver, and changing from network to local printer. Most of the pdf is ok, just some components aren't showing. Usage geodist (dat, inf.replaceInf, count.pathsTRUE, predecessorsFALSE, ignore.evalTRUE, na. Got a file, some objects don't print (even in print preview). Where geodesics do not exist, the value in inf.replace is substituted for the distance in question. Then go to 'file' and then 'print' like you normally would. Description geodist uses a BFS to find the number and lengths of geodesics between all nodes of dat. Then hold down control, and click on each additional tab you want to print, excluding the tab, or tabs you don't want to print. > coords = [(4.3466824, 50.8584046), (4.3371552, 50.8490306), (4.3429917, 50.8336379), (4.3488282, 50.8330958), How to fix a thermal printer that is skipping or printing blank labels: - turn off and open the printer - remove the label roll It’s cable reimagined No DVR space limits. Just click on the first tab you want to print and make it active. The distance between a polygon and a POI > from geodist import GeoDist The azimuthal equidistant projection is a map projection where all points on the map are at proportionally correct distances from the center. Then, we project the geometric object from the World Geodetic System (aka: WGS84) to the World Azimuthal Equidistant Projection (aka: ESRI:54032) with our POI as the center point of the projection. Use a try/except block at that point to plug that hole.Finds the distance between a POI (point of interest) and a geometric shape on Earth's surface Objectiveįind the distance between a point of interest and a geometric shape – polygon, circle, line string and a Point on earth’s surface using latitude and longitude associated with the geographic coordinate system Install pip install geodistįirst, we convert an array of points (lng, lat) to a planar geometric object. Since you're not using gdal.UseExceptions() you're experiencing that error as a sys.stdout response. Your code at some point is encountering a processing error.No more ctrl-c (if you're inside a try/except block). If you catch ALL the exceptions, you will also catch the ' KeyboardInterrupt' exception as well.You're choosing to turn a blind eye at any errors that come in your way. If you're opt to go that way, you're responsible if your program does.Just be careful, because that way when an exception happens, your script will silently break from the procedure without any indication of what went wrong.Īlso I want to point a couple of things as well: And secondly catch if any exceptions and do whatever you want with them (including nothing) gdal.UseExceptions() # Enable errors So first enable the use of exceptions, by issuing gdal.UseExceptions() somewhere in the beginning of your script. Instead they return an error value such as None and write an error message to sys.stdout. Map is not shown in Print Composer or in PDF (QGIS 2.18.3) I already saw the other questions concerning the same problem, but after trying everything described in the answers there, I still have the problem that my saved print compositions do not show the maps. There are some python 'only' rules stated at the ' Python Gotchas' page.īy default, the GDAL and OGR Python bindings do not raise exceptions when errors occur.
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