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1500 questions
17
votes
1 answer
Re-project raster in python using GDAL?
I'm trying to perform a rather simple task.. but can't find a simple solution.. I'm trying to re-project a raster layer using GDAL in python. I've read this solution , and this , and this, and others. It seems that all of them assume some parameters…
user88484
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17
votes
2 answers
Setting up PostGIS database and opening it in QGIS on Windows?
I have tried to follow the manuals for setting up a PostGIS database to be accessed by users with QGIS, but at the moment I cannot understand enough to progress?
My situation; I am a trainee responsible for creating a PostGIS database for the…
ThunderSpark
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17
votes
3 answers
Converting ArcMap feature layers to GeoPackage using
Is it possible to directly convert feature layers in ArcGIS to GeoPackage?
In ArcGIS Desktop 10.5's ArcToolbox, under "Conversion Tools/To Geopackage" the only option that appears to me is "Add Raster to GeoPackage". There is no "Add Features" or…
FVb
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17
votes
1 answer
Making layer or group private/hidden/invisible in Layers Panel of QGIS
I have a number of layers in the Layers Panel inside a group but I don't want them shown (there's quite a lot so it looks untidy). These layers are also joined to several others.
Is it possible to make these layers invisible to the user (i.e. not…
Joseph
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17
votes
3 answers
How to install GDAL 2.x on CentOS 7 without building from source?
I'm trying to install GDAL 2.X on CentOS7 without building from source because I'll need configure it in another servers and installing by source code will be a very tiring and time-consuming task.
I found some repositories like opengeo and ELGIS…
LeonanCarvalho
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17
votes
7 answers
Georeferencing DXF using QGIS?
I have got myself a dxf which is built with units in the wrong scale. How do I upscale that in QGIS? Note it does open in QGIS, just in the wrong map units and location.
Willy
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17
votes
11 answers
Why won't ArcMap 10 snap?
I'm really confused by this. ArcMap will seeminly randomly decide to not allow snapping when editing. Sometimes its only for certain features, sometimes for only parts of the same feature (e.g. one end of a line but not the other, or not along a…
Matt
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17
votes
3 answers
Where are the oil platforms in Google Earth?
From Wikipedia I found the coordinates of the Devil's Tower, which is an oil platform in the Gulf of Mexico. The coordinates are 28°12′32″N, 88°44′15″W.
When I enter these coordinates into Google Earth, I see just the empty ocean, no gas platform.
I…
Lior
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17
votes
5 answers
Converting string field into date field in QGIS
In QGIS I have a layer with points which represent the fatal road accidents and the field "dates_14_D" contains their date but its type is string. I would like to convert this string field to date field but the OK button is inactive. What's the…
Ilias Machairas
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17
votes
2 answers
Using Leaflet Js, is it possible to know the onclick location of a Marker (ignore anchor point)?
I have a marker object that is of a specific height and width, and although it is pointing a single coordinate, the visual representation of the marker spans many pixels. When I click on the visual representation of the marker, I would like to get…
DarkKunai99
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17
votes
6 answers
Why is the performance speed between ArcGIS and QGIS so different?
Ok I am not a programmer but a prolific GIS user. I know that QGIS is written in C++ and ArcGIS in ??? but for most of my tasks lately I always try to use QGIS not only because it is free but due to the fact that its User experience is so good.
All…
GeoH2O
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17
votes
4 answers
Saving project with data source path as relative in QGIS?
Is there an option in QGIS to save the project with the data source being a relative path?
I don't see the option here. QGIS Wroclaw1.7.3
SNT
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17
votes
3 answers
Adding ArcGIS Online Services to QGIS?
Looking for info on how to add web mapping services from the Ohio Department of Natural Resources website to QGIS. I've tried nearly a dozen different things online and still can't get results. Don't normally ask for help in places like this, but…
LGPGIS
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17
votes
2 answers
Removing overlapping part of polygons using QGIS?
Here is what I'd like to achieve in QGIS.
Is there a processing tool to remove the overlapping part of polygons?
It does not matter which polygon gets clipped.
It is also very important that they do not get merged during the process and that they…
Enzoupi
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17
votes
3 answers
How I get SRID from Geometry field
What is the function for getting SRID from Geometry field.
I have inserted a shapefile into SQL Server table with a Geometry field defined. I know the projection of shapefile is Swreff99_1800 (EPSG:3011).
Now my question is How I get this…
user1899
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