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Questions tagged [ftools]

A QGIS plugin with a suite tools to analyse and process GIS vector data.

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3 votes
0 answers
195 views

Why is 'Line Dissolve' producing different output than 'Dissolve' from Ftools?

I'm curious if anyone can explain the strange effects I'm seeing from the SAGA 'Line Dissolve' tool. I have a ton of line features that had previously been 'exploded' (which is a necessary step), and ...
GIS_Canuck's user avatar
3 votes
2 answers
471 views

Where has the 'distance matrix' tool gone in QGIS 2.18.0?

Today I installed QGIS 2.18.0 and I wondered, where has my 'distance matrix' - Tool gone?
LarsS's user avatar
  • 31
0 votes
0 answers
112 views

Amending existing plugins to match Qgis 2.16+ fTools removal

Part-time development started about a year ago to create an add-on for Qgis. Many of this plugins capabilities are written with fTools commands. I am wondering if there is a recommended document to ...
Katalpa's user avatar
  • 871
3 votes
2 answers
1k views

broken plugins with QGIS install

I have been struggling with this for a bit. I recently upgraded my qgis to 2.8.9, and now am having issues with the ftools plugin as well as the processing plugin. When I start qgis, I get this error: ...
kflaw's user avatar
  • 1,416
2 votes
1 answer
380 views

QGIS Random Points Error

I have an error in QGIS that I cannot seem to figure out. I have a zip-code level shapefile from the U.S. Census. I'm merging that with a data file by zip of counts. I want to make a dot density ...
Steve's user avatar
  • 135
0 votes
1 answer
305 views

What's the PostGIS equivalent to Extract Nodes in fTools / QGIS? [duplicate]

I'm looking to convert Park polygons from OSM into points. The QGIS fTools Extract Nodes tool will convert a polygon to points at the vertices. What is the equivalent function or work-flow in ...
DPSSpatial_BoycottingGISSE's user avatar
2 votes
1 answer
387 views

How does fTools' Distance Matrix compute the distance and in what units?

I am new to GIS in general, and QGIS in particular. I am trying to find information about fTools' Distance Matrix function in QGIS, but am having trouble finding documentation…I managed to make a ...
Matthijs's user avatar
  • 175
3 votes
2 answers
1k views

Running ftools multiparts to singleparts from PyQGIS

Is it possible to run the multiparts to singleparts function from the console with the processing_runalg function? Or is there another way?
Toke's user avatar
  • 155
5 votes
1 answer
309 views

fTools "Join Attributes by Location" missing in SEXTANTE/Processing Toolbox

I am working with the new Processing Framework in QGIS 2.0.1. I really like the graphical modeler, because it allows my to make my own tools without having to be able to write pyhton or any other ...
user avatar
11 votes
4 answers
9k views

What dissolve tool in QGIS allows me to summarize statistics for multiple attributes?

Is there a tool or plugin in QGIS that resembles ArcGIS 10's Dissolve tool? I'm trying to dissolve several polygons (parks) around the boundaries of another layer of polygons (cities), while ...
Alex's user avatar
  • 303
2 votes
0 answers
2k views

How to calculate weighted mean coordinates within polygons?

I'm using QGIS 1.8 on OSX 10.8.3. I have a polygon shapefile of all of the US state legislative districts. I also have a layer of points that are centroids of US Census Tracts, with a field for the ...
treznick's user avatar
3 votes
3 answers
4k views

Couldn't load plugin fTools due an error when calling its classFactory() method

When I start qgis I get a python exception: Couldn't load plugin fTools due an error when calling its classFactory() method ... 309, in _import mod = _builtin_import(name, globals, locals, ...
Barak's user avatar
  • 33
2 votes
1 answer
1k views

Why does ftools' difference tool fail?

I have an area polygon with rocks on it i want to use difference to map the soft (ground, not rocks) cover. to do that i try using the (ftools) vector>geoprocessing>difference getting an empty ...
yair suari's user avatar
3 votes
1 answer
844 views

How to calculate buffer surface that falls within another layer's borders

The image below shows what two selected layers. One contains a series of borders, and the other a series of buffers. I am trying to obtain the buffered surface within each of the borders in the ...
Christian M.'s user avatar
0 votes
0 answers
226 views

Set buffer radius in metric units in qGIS [duplicate]

Possible Duplicate: What is up with QGIS buffer tool units? A similar question to this one has already been asked How to change the unit of measure from degrees to meters in QGIS?, but none of ...
Christian M.'s user avatar
2 votes
1 answer
6k views

How to find polygons centroids? [duplicate]

Possible Duplicate: Get list of coordinates for points in a layer? Sorry for another basic question - my map is almost done but now my boss wants me to enter new outbreaks (that we don't have ...
KkBkk's user avatar
  • 117