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There are two PostgreSQL FDWs (currently maintained) I know of for connecting to SQL Server from a Linux/Unix PostgreSQL box. There is the TDS Foreign Data wrapper (tds_fdw driver) which relies on the Free TDS driver. This is a fairly light-weight FDW since it just relies on TDS which is...

I'm completely new using PyQGIS and developing plugins, and I would appreciate some orientation. Currently I have a layer with the X and Y coordinates of electric distribution poles, where each pole is a feature. What I need to do is measure the distance between all the features in the map, but...

I want to write an Map Application in Android to render shapefile, please suggest me the way/solution to do, libraries supported by eclipse? أكثر...

I have a vector file that represents transit scores by Census Tract (CT) of a city. It shows harsh boundaries where one CT has great access to transit and right beside that CT is one that has extremely poor access. I want to smooth these boundaries so as to blur these hard differences. Is this...

I want to know how the area is calculated in vector format. what is the theory behind the calculation? Not the procedure or steps. أكثر...

Create common vertex where line was snapped to another using "snap to segment" I have a schematic diagram within QGIS consisting of a single layer of line segments. Lines have been snapped to others using "snap to segment". When using the snap to segment option the two lines that intersect do...

I have polygons containing an attribute to be summed by a polygon grid. the polygons with the attribute always share borders with each grid cell and never extend outside any grid cell (the grid has been used to 'union' the polygons prior). I am having trouble in ArcMap 10.x getting the...

I want to convert R 'library:raster' 'extent' object to a shapefile. I have the CRS available too. e= c(4304916, 4305325, 365216, 365439)#xmin, xmax, ymin, ymax proj4string(e) = CRS("+proj=utm +zone=18 +ellps=GRS80 +datum=NAD83 +units=m +no_defs")In older version of raster data there was a...

This question already has an answer here: Creating profile cross-sections in ArcGIS Desktop? 5 answers Is there the possibility if I have a polyline (named "Linedivide") which is divided into, let's...

Because the default 'Profile Graph' tool was not sufficient, I wrote a custom VBA script that creates scaled and exaggerated profile cross-sections in ArcGIS but I need more features: Visualize more than 1 surface Visualize vertical and directional boreholes Ability to symbolize / edit the...

In the world of geography, two disciplines are often mistaken as the same one. But Geomatics and Geographic Information Systems are different. The post What is the Difference Between Geomatics and GIS? appeared first on GIS Geography. أكثر...

ReviverSoft Registry Reviver 4.3.0.12 Multilingual | 10.01 MB Registry Reviver is an advanced registry cleaner that cleans, repairs and optimizes your PC to minimize seizures and crashes. With Registry Reviver, you will see an immediate increase in PC performance and a decrease in crashes...

Can anyone tell me the steps to do this in QGIS? Import a LIDAR .las file Re-project that data to geographic projection with datum WGS84. Export the data in ASCII format أكثر...

Is there a best practices guide for adding bike infrastructure data to OSM? Not simply how to add a bike path, but a list of best practices for actually fleshing out sometimes disjointed bike infrastructure information for a city. Some big issues:How to split road segments to mark on-road...

As El Ni أكثر...

I'm trying to setting up pycsw on xampp. In the pycsw's default.cfg I've the following configuration: [server]home=C:\Users\masa\xampp-201405\htdocs\pycswurl=http://localhost:8000/pycsw/csw.py...[repository]#...

تفادياً الفيضانات ابتكرت شركة للأسمنت نوعاً جديداً من الأسمنت، يبتلع 800 جالون من الماء في أقل من دقيقة. وتعتمد التّقنيّة على حصى يوضع أسفل طبقة الأسمنت، يسمح بتخزين المياه، بدلًا من تدفّقها، ولكن في الأماكن شديدة البرودة لا يصلح ذلك، حيث تتجمّد المياه المخزّنة مؤدّية إلى تشقّق الأسمنت...

I received a shapefile about invasive species. In Attribute Table there is column called "Infested_Area" and its got number mix with text, for instance "9100 sq feet". Since I can not run statistic on string I was wondering if it's possible to create a new filed and somehow get rid of the text...

I have a shapefile of lower layer super output areas (LSOA) for England and Wales and I have a spreadsheet of the indices of deprivation for each of the LSOA's in England. I want to join the deprivation data to the shapefile so it can be mapped in ArcMap. I tried joining the table through the...

When I link my postgres/gis table to my QGIS I expect to be able to add the shapefile into QGIS. But for some reason QGIS does not recognize my tables as geometry tables. The datasets are originally shapefiles. After uploading them with the shapefile uploader of postgis they do have a geom...