0
votes
2answers
14 views

Update Multiple Columns within One Update Cursor

Are you able to update several fields within an attribute table at the same item within one Update Cursor command. Code Example: with arcpy.da.UpdateCursor (fc, fields) as cursor: for row in ...
0
votes
0answers
4 views

ArcGIS Modelbuilder: “Copy protection” for own models

First question here, so hi @all and thanks for reading. Maybe someone could help me to solve my problem: I've build a large model in the ArcGIS modebuilder - some days in my holidays, not on company ...
16
votes
4answers
3k views

How do you determine a shapefile's charset?

Is there a way to determine the charset used for a given shapefile?
0
votes
2answers
173 views

Where to find Metropolitan Statistical Area (MSA) KML data?

Hello GIS stackexchange, GIS is not my field, so I apologize if my question is very basic. I need this data for a odd job at work. I have been unsuccessful in finding the data from Google ...
0
votes
2answers
64 views

Openlayers 3 - Equivalent of OpenLayers.Class

I've been playing around with the OpenLayers 3 library, I've previously used OpenLayers 2 and created custom classes like so: OpenLayers.CustomClass = OpenLayers.Class({ property: value, ...
0
votes
0answers
2 views

Rename layers with script

Just discovered Qgis and really impressed! I've not formal GIS training so rely on Google to figure stuff out. I'm using the SHP files made available by the Canadian Government as part of their ...
0
votes
0answers
3 views

PostGIS: Ordering by the sum of two distances

I have an SQL statement that selects possible bus routes between two points, ordered by the walking distance required from the start point to the departure bus stop (distance1) and the arrival bus ...
2
votes
3answers
955 views

How to delete rings automatically using QGIS/Grass

I'm cleaning up a (very) messy shapefile in QGIS/Grass. I now have several large polygons with numerous (100s) of small rings. Is there a quick and easy way to remove/ fill all these small rings. ...
0
votes
1answer
24 views

How can I import pdf maps to ArcGIS?

I have few hazard maps (with color coding) of a particular state in a pdf report. I am a newbie in GIS and need to use these different maps from the pdf for combined interpretation. Can the colors ...
0
votes
1answer
22 views

Using pymssql to create a table using python ArcMap 10.3

I am using ArcMap 10.3 have a my data in a geodatabase (MS SQL Server Express) and I am trying to write a python script that does a bunch of spatial and non-spatial data manipulation. I need to dump ...
0
votes
0answers
16 views

Reproject before a Spatial Join

I have one polygon file containing all German municipalities as well as a point file. For each municipality, I would like to compute the average of a certain attribute of all points within the ...
1
vote
1answer
17 views

legend colour with specific value

i have model plotted in R base<- raster("example.tif") plot(base) image i'd like to change value (0,5,10,15,20,25) breakpoints<-c("0,5,10,15,20,25") plot(base,break=breakpoints) Error in ...
0
votes
1answer
161 views

Importing recent NAVTEQ/HERE RDF Data into Postgres/Postgis

I am trying to import a recent version of navteq data into a postgres DBMS. I have downloaded the 2014Q2 version of the data from https://here.flexnetoperations.com as well as ...
0
votes
0answers
5 views

why i am getting the error of memory while kriging

i need some help regarding the solution of error in "R-code". on running the command krige.conv, the error message of "cannot allocate vector of size 346 mb." turns up. i have tried the command of ...
0
votes
2answers
15 views

How to upload to an Attribute table

I have digitized a polygon using Arcmap 10.1. I want to upload fields from an excel table into the attribute table of the polygon layer. How do I do this ?
0
votes
0answers
5 views

Getting werid lines in print composer QGis

I am working with QGis 2.8 and want to use the print composer to create a jpg image. I used this PlugIn (https://github.com/jdugge/ClipToHemisphere) to create the globe. The graticules I created the ...
2
votes
1answer
147 views

Make Google Analytics city data showed on the Google map

I use the Google fusion table to table to mark city on google map, but there are about 20~25% which quality is ambiguous. How to make the ambiguous data precise? Here is my finished map (scroll down ...
1
vote
0answers
8 views

developing a Talking Map

I need to develop a prototype of a web application that speaks : When you click on a city (point) it says the city name (Audio files are ready) I want to use ArcGIS Javascript API. do you have any ...
0
votes
1answer
11 views

Is there a way to limit google street view to extent on openlayers 2?

I want to limit the google street view area in my map to to 500m radius from where the street view panoram start (where the user clicked the mouse on the map) Is it possible ?
0
votes
1answer
119 views

Adding scaleline when using a custom projection

I have recently started working with OL3 and now I try to add ScaleLine control to my map var scaleLineControl = new ol.control.ScaleLine({units:'metric'}); var scaleLine = ol.control.defaults({ ...
0
votes
0answers
14 views

OpenLayers Plugin 1.3.6 / Ubuntu 14 Problem?

I installed QGIS 2.8.1 on Ubuntu 14.04 LTS 64bit (from repository http://qgis.org/debian trusty) I installed OpenLayers Plugin 1.3.6 It doesn't show in main menu (Internet) like on Mac Do I miss ...
1
vote
1answer
208 views

ESRI JS API : FeatureLayer : pure client side query?

so I've created this wrapper around feature layer where I create the empty feature layer as is in the API help page : new FeatureLayer(featureCollectionObject, options?) providing the first ...
2
votes
3answers
49 views

Plotting Netcdf data. How to get right projection?

Maybe it's very easy for someone to fix, but I'a a new one in R, so I really need help. I/m trying to plot data containing lat, lon and variable (nmf2). The grid isn't a regular one, so there are some ...
0
votes
0answers
132 views

OpenLayers 3 - Monitor layer loading progress

I'm doing an upgrade from OpenLayers 2 to OpenLayers 3. In OL2, I was monitoring the loading progress of layers with their loadstart and loadend events. With grid layers I was even able to show a ...
0
votes
1answer
45 views

Highlight a feature on WMS layer using OL3 + mapserver

In OL2 I think that it was done by using something like this: the_control = new OpenLayers.Control.GetFeature({ protocol: OpenLayers.Protocol.WFS.fromWMSLayer(mymap, { geometryName: 'geom', ...
0
votes
0answers
4 views

problem with to addlister event google maps in same html file

I try to make two actionlistener one when the mouse over a marker show a infowindows and the other is for get when click on a market the lat and long and make an AJAX request the two lister code is ...
0
votes
0answers
11 views

Georeferencer does not open when clicked [duplicate]

Since a week my raster georeferencer is not opening when I click it. I have made sure it is checked in the plugins collection and have tried re-installing the newest version of QGIS, yet also in this ...
3
votes
1answer
888 views

Opening geoprocessing tools causes ArcGIS to hang

I am getting the same problem as http://forums.arcgis.com/threads/19468-Opening-tools-causes-ArcMap-to-freeze-crash That is, when I open any geoprocessing tool in ArcCatalog (might happen in ArcMap ...
3
votes
0answers
23 views

Jenks Natural Breaks in Python: How to find the optimum number of breaks?

I found this Python implementation of the Jenks Natural Breaks algorithm and I could make it run on my Windows 7 machine. It is pretty fast and it finds the breaks in few time, considering the size of ...
3
votes
1answer
221 views

Get Multiple Shortest Path using PgRouting in One Query

I am trying to get multiple shortest path using A* Algorithm available in PgRouting. I referred Solution given by UnderDark ( Link of the Stakoverflow Post ) . But it is not giving me proper Output. ...
0
votes
3answers
486 views

Calculating MCP in QGIS

QGIS 1.8.0. Scipy installed. Statsmodels installed. Using Sextante to try to calculate MCP. When I run the MCP calculation from the Toolbox, a layer is added to the file, but the layer doesn't ...
1
vote
1answer
156 views

Is it possible to draw polygons along Google Maps Polyline?

Web application has option that user draws polyline on Google Map. After he draws it, there is a button 'Add polygons', which should draw polygons along that line, based on some width and height in ...
7
votes
0answers
1k views

Calculating compass bearing between two GPS coordinates… with a twist

I'm building a virtual tour application that uses Google's streetview code to render the panoramas into a non-distorted view. Each panorama has 1 to n links where the user can select to move on. I ...
4
votes
1answer
375 views

how to add GML files in geoserver 2.2.2

How can I add GML files to a GeoServer 2.2.2 instance? How can edit them "on the fly" and save the results back to the server using OpenLayers? I would appreciate examples if possible. sir i m ...
0
votes
1answer
68 views

Problem exporting ecw project- arcpy

I work with arcview 10.3. Every time i export maps with ecw raster format , python (version 2.7.8) get crashed and i see: I use this code: import arcpy,os,sys,string import arcpy.mapping from arcpy ...
0
votes
0answers
12 views

Difficulty creating a point layer using the line intersections function in QGIS

I am attempting to create a point layer from two line layers where the lines cross. I am using QGIS's built-in Line Intersection tool but the output point file created remains empty. I have checked ...
1
vote
1answer
23 views

Merging ShapeFiles with QGIS for UK counties

I want to draw a map for all the counties of UK including North Ireland. Since I can not find a source of counties including both North Ireland and Britain. I try to merge two shapefiles with QGISfrom ...
20
votes
10answers
21k views

Adding Attribute data to shapefile?

I can display a shapefile in openlayers but I need to add some attribute data. I can open the dbf file in excel but there is no save as option in excel to the updated file as a dbf. What is the ...
1
vote
2answers
110 views

Find closest point between polygons inside other polygon

I have access to ArcInfo (ArcGIS 10.1). The dark polygons are settlements. The green polygon is derived from a suitability analysis. The surrounding white area is restricted. I want to find a point ...
3
votes
3answers
464 views

Sorting polygons by latitude?

We have a set of polygons which we would like to sort and number according to their latitude. This will make it easier for local authorities to relate to the numbers of the objects. I have looked ...
1
vote
2answers
86 views

Automating attribute completion of new polygons

I am currently outlining property boundaries and then copying and pasting in the necessary attributes on a daily basis. I would like to speed up this process and remove the chance of error by ...
1
vote
2answers
32 views

QGIS distance matrix: wrong metric distance

I used the lineair distance matrix tool in QGIS 2.6 My coordination system is metric (national Dutch RD new) The results have the wrong decimals, as shown below. How can I fix this? (showing unique ...
2
votes
1answer
204 views

Can multiple users access ArcGIS styles on server at same time or only one?

Running ArcGIS 10.0 in our environment. I created a styles db and saved it on the server. Can multiple users access the styles at the same time or only one? Second, after experimenting I can add ...
2
votes
1answer
310 views

Using ST_MakeEnvelope over the dateline

I'm using ST_MakeEnvelope in PostGIS to try and make geometries that cross the international dateline, but they are making a shape that wraps the other way around the globe. The geometry I want is ...
1
vote
2answers
15 views

Independently zoom data view without zooming layout view

This is probably a really noob question. How do I zoom in on the data view without it modifying my beautifully positioned layout view? I just want to be able to work with my data zoomed in, but ...
1
vote
1answer
167 views

Use Display Expression for KML Popup, SHP to KML ArcGIS

In Arcmap I've created a complex label expression in the Display expression for my layer. I'd like to have that expression displayed when I convert the layer to .kmz file for display in Google Earth. ...
5
votes
1answer
96 views

What does the ArcGIS 3D Analyst parameter 'IsClosed3D' mean?

I am creating multipatches from existing geometries and finding it hard to work out why IsClosed3D shows some as closed while other apparently closed geometries are shown as not closed. I have worked ...
2
votes
1answer
71 views

meaning of createObject(Point.getClsid())

What actually does the createObject(Point.getClsid()) do?Does it create a new Point Object,and return the class id of the Point.Does it mean that each point created will have the same class id. I ...
1
vote
1answer
3k views

Add label/text to esri.symbol.PictureMarkerSymbol

How can I add label or text on the ESRI's PictureMarkerSymbol (Javascript API)? I could use any other marker as well that support labels.
0
votes
1answer
10 views

For GPS point data using android, default camera app or other software?

I'm curious to know about your experience using the default android camera app for geotagging photos vs other apps. I am going to trial a few different of these apps over the next month or so on ...

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