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Using ArcGis 10.2 I have a script converting the nodes of a net into polygons. The polygons should be either triangles or rectangles but the script doesn't build polygon as rectangle, skipping the fourth vertice. Being not fluent in python, I can't spot the mistake: it looks like the Array...

How can I build a feature request expression using variable inside expression?For example values = [1, 2, 3]for j in range( y ):it = vl.getFeatures( QgsFeatureRequest().setFilterExpression ( u'"field_name" = values[ j ]' ) )or (I have also tried sthing like this) it = vl.getFeatures(...

I've built an 2-dimensional spatialite db with millions of polygons inside. What I want to do is to find the polygon which is the nearest from given (x,y) coordinate. This is what I want to do. Find the polygon with nearest MBR from (x,y). Let's name it polygon#1. Calculate the actual...

To ensure proper handover and occupancy of the QNL building from Capital Projects (CPD) and Facilities Maintenance (FM) and to ensure the overall development, planning and implementation of QNL facilities management support strategies, operational policies, processes, logistics and systems...

How are the symbols created for building footprints to have front door (small angle seen in first picture)? I have attached what I have thus far - want to convert the bottom picture to the top for the footprints that are very close together? Also - for the maps (see attached) that have street...

Well, it's almost a year on from when I first asked this question on the ESRI user "forum" - Data driven pages, ArcDesktop 10.2.1 - is there a limitation on how many pages can be printed? ESRI tech support still can't find a solution. I have almost 2500 pages to print, from several map sets...

The free and open source gis qgis started an user survey on its online webpage. The project needs your input to get the best necessary community information for prioritising future adjustments and developments. I use Qgis nearly every day and it’s astonishing how active the qgis community...

I've been banging my head against this for a while, and am seeking some insight into what I'm doing wrong. I have the following snippet of code: params = [PlaneRep.hex, PlaneRep.squawk, PlaneRep.flight, PlaneRep.isMetric, PlaneRep.mlat, PlaneRep.altitude, PlaneRep.speed, PlaneRep.vert_rate...

I'm following this sample for ADF libraries http://edndoc.esri.com/arcobjects/9.2/NET_Server_Doc/developer/samples/Web_Applications/ArcGIS_Buffer_Geoprocessing/ee05ac98-384b-4dbe-b8e3-8d741180dc9a.htm I'm practically drawing a circle around a point with a geoprocessing service. The radius is...

Speedy Soft Digistudio 9.6.1.189 Bilingual | 8 MB Your digital camera can probably generate also small videos. An animalscene, a waterfall, an arrival of railway train, a musical scene can bringnot only life in the static slide show, but also the original sound. Evenvideos on DVD can be played...

I have an image I'm trying to georeference on my map, but am having an issue with the coordinates which are sent to the map from the georeferencer. As you can see below in the image, the yellow boxes above each point each show the correct location where the points should be referenced to. An...

I am using an excel file to store all my locations and their attributes.This excel file contains coordinates of the same location measured on different dates. This means that the coordinates are not exactly the same for every locality visit.Is there a way that I can display these nearby...

Using DbGeometry and Entity Framework to work with Sql Geometry types.User can draw a line that can run outside of a given polygon. my validation traps that. I correct this by clipping the line to be the intersection of both geometries. And that is working. however, the result of that...

I am looking for parcel boundaries for Indonesia. Is there a site which can allow GIS data download for property boundaries? أكثر...

My company would like to perform a complete overhaul of their metadata. They would like to use the ISO standard.What is the best way to go about this? I have been researching and have done a lot of reading about metadata but I need to from a plan of action. Thanks. أكثر...

I've got a point layer in ArcGIS that has 100 specific color codes based on the name of the store. I'm trying to export the RGB values for these colors (along with the name value it's tied to) so I can create a qml style file for QGIS. So, basically I'm trying to apply ArcGIS symobology rules...

I would like to have only 3 levels of zoom available (from level 6 to level 8). demolayer2 = new OpenLayers.Layer.WMS("abc...","http://localhost:8080/geoserver/gwc/service/wms",{layers: 'def...', transparent:"true", format: 'image/png', numZoomLevels: 3, minZoomLevel: 6 },{isBaseLayer:false},{...

I have this map (have whole country, this is just a sample, original map also contains color symbology for the value classes) and need to attach the values from it to points. I have no problem to georeference it in QGIS but there is problem with the values. I see two uncomfortable...

TweetRecall that Esri released a story map prior to the 2015 Canadian election sharing the results and associated color-themed maps from previous elections. Well, on the heels of the 2015 Canadian Federal election (which was a route by the Liberals!) the data has been updated and now the...

I have several dozen rasters that I need to produce histograms for - and the histogram capabilities in ArcMap are not up to the task. One possible solution/workflow, seems to output the raster as an ASCII file, and read it into R to create a histogram. Does anyone have any other/better...