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Feb
3
comment Distance matrix tool, how to include distances at 0 metres?
Could this be the problem? gis.stackexchange.com/questions/162120/…
Jan
15
comment Adding Excel file with degrees to map with CRS in QGIS?
Look at this gis.stackexchange.com/questions/41962/…
Jan
14
comment Create GRASS Mapset in QGIS 2.12
You can post your comment as an answer
Jan
6
comment Converting GeoTIFF to Idrisi raster (RST) in QGIS?
path also contains non ascii characters like á (propietário) and í (maría). Try getting rid of those...
Dec
10
comment Divide line by length with QGIS
You can use a tool in the processing toolbox called "densify geometries at a given interval". You can found it at Qgis geoalgorithms/vector geometry tools/densify geometries at a given interval. The tool will add nodes at the interval desired. Bear in mind to use the processing toolbox in advanced interface.
Dec
8
comment Least cost path between various points QGIS
Look at this also gis.stackexchange.com/questions/167287/…
Dec
3
comment Problem in loading map to Georeferencer in QGIS
I was able to georeference your image, I am using Lyon under win10 64 osgeo install. I was not able to reproduce the error...
Nov
27
comment How to calculate the distance to the nearest water source?
May be you can try using distance matrix (Vector/Analysis tools). Works with point layers where each point have a unique id. You can try the centroids of the "site" against the centroid of the water bodies. Other thing you can do is convert the water bodies (polygons) to line. Then extract the nodes (point layer), assign a unique ID (field calculator either $rownum or $id). You can run the site's centroids against the edge created with the nodes. Check this: qgistutorials.com/en/docs/nearest_neighbor_analysis.html
Nov
26
comment No Saga in QGIS 2.12
main thing if you install qgis via OSGEO4w in advanced mode (that you did not do it) you have to choose the other packages you want. Obviously this is not your case
Nov
25
comment No Saga in QGIS 2.12
OsGeo or Standallone install?
Nov
23
comment Why is my area calculation coming out as 0.00?
you have only two decimals to store the area calculation, if you increase the number of decimals allowed in the calculation it will show something other than 0.00
Nov
9
comment How do I install qgis lyon with grass access
Using the "express desktop install" option in the OSgeo4w installer does the trick. Now you have 2 installations of Qgis, one with acces to grass. The acces is a bit different but it does work. I was able to open an existing an existing map set open layers and work with them without a problem. Now it is just a matter of getting confortable with the new procedure.
Nov
3
comment QGIS Least Cost Path
You must think about the cost raster as what are the movement impediments acroos your DEM. The factors that works as constrains coul be many. The simplest one is slope, for instance. You can calculate the slope from your dem (degrees or precent). In my field (archaeology) there are people that uses also the rivers and the slopes. I have seen even soils or vegetation cover as impediments. There is also something called the backpackers equation. In this regard you have to define which variable/variables are going to be considered.
Nov
2
comment r.cost multiple destinations
The way you describe works perfectly. I already check the manual, even quote it, but I did not notice anything specific about my question.
Oct
30
comment Using linguistic phonetic alphabet in QGIS?
I already downloaded and installed doulos sil and charis sil fonts. Both were recomended by the linguist that I am working with. Nevertheless when I load my shape file usin either utf-8 or system I continue with some interrogation characters. I tried to label the communities with a field containing text in phonetic alphabet, changing the font (doulos or charis) and i is the same, som interrogation chatacters. I tried to load in UTF-16 but all my onformation went from spanish to chinese or japanese characters. I wonder if I am missing something.
Oct
29
comment different results :Slope analysis in qgis vs ArcMap
may be you can load the actual min/max values and compare them with them with the arc map ones
Oct
28
comment Using linguistic phonetic alphabet in QGIS?
my information comes in ashp file, and you are wright i do not think i have an IPA font installed. Which one shoud I use under windows?
Oct
27
comment r.cost multiple destinations
I am using grass 6.4 under qgis, The dialog box has two place to put coordinates, so I wonder what is the format to input more than two "starting points". I have tried to separate them with semicolons or spaces and all I get is a raster with no routes in it. No even with converting the raster to a line. So the problem is how to declare more tha one starting point. The tool help does not calrify the matter also. I tried to follow Netler and Mitasova (2008) Open source GIS: a Grass GIS approach and no luck also
Oct
26
comment r.cost multiple destinations
By the way the tool you are porposing is for vector layers, I wonder if it can it take in to account an anistropic surface.
Oct
26
comment r.cost multiple destinations
Nevertheless I have not found how to put the coordinates of multiple points. What I want is an individual route from the "center" to each one of my sites and that the route calculated takes in to account movement impediments, like topography, for instance