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In Mapnik (actually Tilemill), using OSM data, I'm trying to draw a gate across a way, such that the gate is perpendicular to the road. But the gate always gets drawn with the same orientation, unless I manually rotate it to match a specific road. I've been using a Marker, placed along a line...

I have created a postgis table from point.shp with 5 fields containing 20 records. Now I want to populate the table with another 150 records keeping the previous 20 records so that the total records count reach 170. I have tried 'QGIS to Postgis shp loader (SPIT - Shape to PG Import Tool)' and...

I'm using ArcCatalog 10.0 and connect Database form SDEWhen I register database, An error occurred (Attachments)How I can't fix it... how to ignore it. أكثر...

def intercambiar(matriz,a,b,tipo): n=len(matriz) f=0 c=0 if(tipo==1): while not(c>=n): k=matriz[a][c] matriz[b][c]=matriz[a][c] matriz[b][c]=k c=c+1 if(tipo==2): while not(f>=n): k=matriz[f][a]...

I have one problem and this is that I would like to create a buffer around point. This is simple with ArcMap using the buffer tool. But is it possible to create the buffer considering also the true surface area of the landscape (consider also the slope distance using digital terrain model). In...

I need to style every feature differently that I pull from a geojson file. However this anonymous style function only changes the style on the first feature it comes across and stops. I am new to leaflet. Have seen several demos but cant find a reason why this anonymous style function only...

I have a postgis table that I've uploaded a shapefile to, this shapefile contains 200+ polygon rows with several integer columns. What I'd like to do is similar to the QGIS 'random points in polygon' function except with numbers that are much larger. My initial approach with QGIS crashed upon...

I've recently updated to both the long term release and 2.10 versions of QGIS and the delimited text plugin has stopped working. Everytime I try to add a CSV file and say ok on the plugin it no longer asks for me to define the CRS and then defaults to WGS 84 (image below). Given I work in UTM...

In support of the White House's Arctic mapping announcement, Esri has published two story maps to provide insights into new data for the Arctic. أكثر...

In support of the White House's Arctic mapping announcement, Esri has published two story maps to provide insights into new data for the Arctic. أكثر...

I have a code like below which is suppose to add over 600 points into a GraphicLayer projectsG and eventually add the projectsG to layer1 and map but I am not sure what I am doing wrong in projectsG = new esri.Graphic(project...

I'm trying to export tables from a PostGIS database into MapInfo TAB files, but only certain rows and columns. I have my rows exporting right, using a query, but I'm stuck on just getting the columns I'm interested in. I thought the...

I am exporting 36"x48" label intensive maps as PDF. For urban areas, ArcMap 10 hangs or kicks back an error saying it could not complete the operation. I have a quad processor with 4 GB ram. I also increased cache size to 100GB and have a large pagefile size, etc. Will increasing physical RAM...

As part of a supporting commitment to help users discover and engage with the new elevation data, Esri is developing new interactive resources. أكثر...

Weather systems give a cyclone-like look to a vast dust storm in the Middle East. أكثر...

Bonsoir à tous, je souhait extraire l'information contenu dans des pixels dont j'ai les coordonnées géo d'une image Landsat. j'ai essayé de le faire sous ENVI 4.8 ça na pas marché. j'ai ouvert l'image sous qgis, j'ai crée le "shp" de mes points de référence, j'utilise l'outil "point...

A map reveals the wind fields of storms that marched across the Pacific Ocean in late summer 2015. أكثر...

I'm trying to work out the map making tutorial here: http://www.qgistutorials.com/en/docs/making_a_map.html When I try to export an image or pdf or even print the map I built in the composer, I receive no response, no dialog, nothing. I tried Qgis 2.8 and 2.10. My computer is a Mac mini with...

Any tips on where I can find 3D building data for UK/London, preferably LOD2 (Including roof structures)? I am aware of the Virtual London dataset but I would like a more recent one. أكثر...

I used Pathfinder Office 5.60 to export SSF to RINEX. But the RINEX contains only L1 code and carrier data. It does NOT seem to export L2 code and carrier. BTW I use a GeoXH 6000 that also records GLONASS. Is there a way to get the whole lot of raw L1 and L2 data from SSF into RINEX, so I can...