0
votes
0answers
18 views

How to deal with political boundaries in grid cell analysis?

I have point data for Africa and I want to aggregate these data to grid cells which I create by a fishnet. Some grid cells cover parts of 2 or 3 countries. Normally, such cells are by different ...
2
votes
5answers
188 views

Labeling dilemma

How would you label this map logically? I will preempt the question, with the statement it is for a fire truck, so we really have to worry about seeing the address numbers at 3 am with one contact in. ...
0
votes
0answers
19 views

How to store esri geometry types in sql server

I have a txt file containing some data of polylines. Actually it is saved json objects. The features in it are esriPolyLine objects. Now i want to store it in my sql server db as geography data types ...
0
votes
0answers
17 views

IDW - How to export with smooth polygon [on hold]

How Can I export the map of geostatistical analyst? When I export like a raster map crossed the line and didn't respect my study area. How Can I export correctly? When I export the interpolation map ...
0
votes
0answers
11 views

add a new library in netbeans

I have a project in GIS and i'm blocked and i hope that you can help me I work with apache tomcat and i deployed geoserver in apache tomcat (geoserver is a cartographic server)...now i created a ...
-1
votes
0answers
33 views

I am trying to clean up my data that I created but it is not stripping anything [on hold]

I am trying to strip <br> among other things but when I print it out or look in my text file, nothing happen. The code runs without any error but it will not strip <br>. import urllib ...
0
votes
0answers
14 views

runCommand in pymongo

I run the following query on my mongoDB console: location = db.BLR_all.findOne( { $and: [{"geom.type":"Point"},{"REGION": "KORAMANGALA"},{"E_NAME": "RAILWAY BOOKING CENTER"}] }) db.runCommand({ ...
1
vote
1answer
16 views

MakeQueryTable_management

When I run this code, it says "An invalid SQL statement was used". Any idea what does it mean? import arcpy from arcpy import env env.workspace ="C:/RG/Projects/CriticalDataNetwork/CDEC.gdb" try: ...
4
votes
2answers
68 views

Bulk convert DBF to CSV in a folder ArcGIS 10.1 using Python

I would like to convert 1000 dbf files to CSV. All dbf files are in one folder and they have sequential names (S:\output_tables\tcb1.dbf, S:\output_tables\tcb2.dbf, S:\output_tables\tcb3.dbf, up to ...
1
vote
2answers
37 views

How to I convert from decimal degrees to meters in Qgis?

I am trying to convert from decimal degrees to meters in QGIS. I have a shape file that is currently in WGS84/UTM zone 19S. I have tried the save as - browse - WGS84 EPSG:4326 but this appears: ...
0
votes
0answers
23 views

How do you calculate the area of polygons which overlap a buffer around a point?

I'm new to QGIS (Dufour 2.0.1) and have plotted nests as points on a googlemaps base-map and have created buffer zones around the nests. I've also plotted ponds as polygons on the same base-map. I ...
3
votes
2answers
50 views

Stratified Random sampling in ArcGIS

I am trying to generate random points for a survey, but I want the points to fall based on 2 polygons. I have created a polygon fishnet, and have a layer of forested habitats. I am trying to generate ...
0
votes
0answers
14 views

How to split apart overlapping features

I have a set of 20 features that are the exact same shape (a rectangle) that are stacked on top of one another in qGIS. Is there a way to programmatically separate them? Ideally I'd like to separate ...
0
votes
0answers
11 views

Is it possible to connect Maptitude 5 with Oracle Spatial?

I have a version of Maptitude 5, and I need to connect it to Oracle Spatial. I have the client installed on the machine, including the connection to the database using Qgis and gvSIG happens ...
0
votes
0answers
8 views

QGIS 2.2 freezes when I select a Grass command via Processing toolbox

I'm on Ubuntu 13.10, and I have never been able to get the Grass plugin to work in QGIS 2.2 via the Processing toolbox. As soon as I select any Grass command, QGIS locks up, no menu appears. I then ...
0
votes
0answers
22 views

I'm looking for an idea to calculate shortest path in a line Vector layer using a starting point

I'm looking for an idea to calculate shortest path time in a line Vector layer using a starting point in a qgis python plugin based on distance and speed. is there a solution where i can get ideas? ...
0
votes
0answers
12 views

QgsGeometryAnalyzer.dissolve problems

I am completely new to the QGIS python api and I am running into an error which I cannot solve when trying to use the dissolve class. I used the basics of the PyQGIS Cookbook. In my understanding ...
0
votes
1answer
40 views

How can i create a link to a whole folder?

I know how to create a hyperlink to a single pdf-file: Create a hyperlink to a pdf file in the attribute table But now I want to make a link to a folder with 3 or 4 pdf files in it. Is that possible? ...
0
votes
0answers
12 views

Arcgis Model Builder - OD cost matrix on network with iteration on attributes

I am totally new to ArcGis' Model Builder, and I need some advice as how to build an OD cost matrix for large sets of origins and destinations. I want to compute an OD matrix where I can have as many ...
0
votes
0answers
10 views

Is there a way to compare geometries clientside in ArcGIS Flex API?

I'd like to know if the geometries of two different graphics are exactly the same. I'd like to do that client side without using a geometry service. Is that possible?
3
votes
1answer
51 views

How to make Map Book with facing pages numbered near outside edge?

I am creating a map book but do not want the page numbers for each map page to be on the same side (since its printed double sided), I need the page numbers to be placed on opposite sides? I am using ...
2
votes
2answers
32 views

Android app: GPS Logger and POI recorder, with offline map

I am looking for a good app that can do one or many of my below listed requirements. They are listed with the most fundamental functions first. Preferably the app can do all of it, but it should at ...
4
votes
1answer
56 views

What software do I need?

I run large site focused on history. Our current project expects the use of maps (for simplicity, we use current maps, not historical) with quite many points (custom SVG markers), lines, polygons on ...
1
vote
1answer
65 views

What index to use in this situation

I am working with 3 tables with 3 x 500.000 rows. There is one colomn that gives each object a unique ID (UIDN), there also is a colomn with the geo data (the_geom). There also are some other columns ...
1
vote
0answers
12 views

How to create a circle vector layer with 12 sectors with Python and to save average value of underlying raster in each sector?

Hi I am writing a code with Python 2.7 using Arcpy 10.1 and I guess I am doing stuck with a silly problem that lies under my eyes. I have created a grid of points (with "Create fishnet" function) over ...
0
votes
1answer
36 views

QGIS 2.2: Rotated labels not possible any more?

Using Qgis Valmiera I would like to create feature labels on a layer that are rotated with a rectancular whitish background. Using "Labels (deprecated)" and entering an angle does the first part of ...
0
votes
0answers
11 views

error in using akima package in r for irregular point data interpolation

I am tring to interpolate my irregular Point data with an Elevation value. I found akima package for Interpolation and tring to use it but it Shows error message like this: Error: could not find ...
1
vote
1answer
58 views

ArcGIS 10.1 Network Analyst shortest route starting from one specific point

I would like to create the shortest route starting from one specific point in a network out of 12 different points. I know how to get the shortest route by clicking each point after the other to give ...
1
vote
1answer
38 views

QGIS: Line to polygon conversion

Currently we are working in a geological project..in which all the Contacts, Linear & some other geological features have to be captured. The thing is most of the features have to be Captured as ...
3
votes
1answer
39 views

MS SQL Server 2012 to Postgresql

How to use MS SQL Server 2012 spatial database in postgresql using foreign data wrapper?
0
votes
2answers
22 views

Problems building QGIS 1.8.0

I am very new to QGIS (and the entire Linux thing). I am trying to build QGIS 1.8 on ubuntu 12.04LTS. I specifically need to use the 1.8 version of QGIS. When running the "make" command, I see the ...
-3
votes
0answers
22 views

Esri Javascript API Optimization [on hold]

I am looking to optimize (compressed version) my esri javascript api with dojo, please guide
2
votes
0answers
21 views

Postal codes in shapefile overlapping

I downloaded some shapefiles from the Australian Bureau of Statistics (ABS). Its basically showing a bunch of suburbs when I view the shapefile through a GIS tool. The GIS tool that I am using at ...
0
votes
1answer
18 views

Vector Layer editing in OpenLayers

I can draw a polygon in OpenLayers by this code. var points = []; var point = new OpenLayers.Geometry.Point(0, 0); point.transform('EPSG:4326', 'EPSG:900913'); ...
3
votes
2answers
119 views

Converting Vertices of Polylines and Polygons to Points and Maintain Attributes

I'm pretty sure someone has done this before, but I'm having no luck. I'm using ArcGIS Standard version 10.2.1 and I want to convert all the vertices of a polyline or polygon to points. Essentially, ...
0
votes
0answers
34 views

How to convert this data to LatLongs? [on hold]

We have data like Number of pixels 2589, X position 359 Y position 606, and area computed as 2.217411. How to convert this data to LatLongs? it should ...
0
votes
0answers
32 views

Writing a script for accessing QGIS tools for use in HTML WebPage [on hold]

My objective is to write a script which uses QGIS GRASS Plugin tools and generates an IDW Interpolation Output and passes the file path as a parameter, which can be used in an OpenLayers API ...
0
votes
1answer
19 views

USGS Earthquake GPS Metadata: Buffer Zones & Python

I'm making a python web crawler that gets USGS earthquake GPS data, and I'm wondering how I should process the latitude longitude pairs to see if it falls within a specified radius of a specified GPS ...
0
votes
0answers
4 views

Using USGS_Raster_Conversion_Scripts.zip to convert ArcGrid files to GeoTiff

I know the GeoTiff export option is no longer available in the http://viewer.nationalmap.gov/viewer/# so will have to convert it from ArcGrid source files instead. I am following the readme and how to ...
0
votes
0answers
29 views

Looking for QGIS 2.0.1 [duplicate]

So I deleted my old version of QGIS Dufour (2.0.1) with the intention of replacing it with the new version (2.2). It wasn't until I deleted my old version that I realized my Mac OS 10.6.8 is not ...
1
vote
1answer
31 views

Eliminate 0 Values From Raster

Arcgis 10.2 I currently have a raster file that I want to turn into a set of polygons. This will help me to create specific buffers around certain points. The extent of my values are 0, and 1. When I ...
2
votes
1answer
30 views

How to set default values for reference grid in ArcMap?

I currently use ArcMap 10.2 and find it quite handy to be able to set default values for settings such as Labeling Properties, ensuring new maps use relative paths and to always build pyramids for a ...
0
votes
0answers
17 views

custom toolbar combobox: issues with adding functionality

I've added a combo box to my custom toolbar in QGIS (based on this thread QGIS - Add a combobox to a toolbar), but it doesn't populate unless I reload the plugin. def __init__(self, iface): ... ...
2
votes
0answers
25 views

Comparing/Correlating NDVI Rasters with other index Raster

So, I've created two rasters. One for NDVI and one for another index for surface water from the same orthorectified World-View 2 image. I can visually see how the indexes are inversely proportional. ...
0
votes
0answers
9 views

CartoDB: Can't find where to change Google Drive log in credentials

I'm trying to create a new table in CartoDB. I click New Table I click the Google Drive data tab I click the connect with gdrive button At this point it seems to be automatically logging in to the ...
0
votes
0answers
8 views

Configuring Mapproxy + Mapnik for using Getfeatureinfo

This is probably a duplicate of this question: How to configure mapproxy and mapnik for getfeatureinfo requests, however, that one is old and still unanswered. I'm trying to configure a Mapproxy ...
0
votes
0answers
19 views

Chopping vector polygons

I am a Global Mapper user. In GM we have a function to chop polygons with holes in it. Is there such function in QGis? If yes, is it available via script? I am totally new to QGis so I would ...
2
votes
2answers
47 views

How to find measures of points that are close to route in ArcGIS 10.2?

What I have is a route layer of a river and points layer with associated temperature data (temperature of the river) that were collected using an airplane. The path of the points does not match the ...
2
votes
2answers
45 views

Shapely: Round Polygon Corners?

I use the python module "shapely" to make Polygons (like below). Can I convert the sharp edges of a polygon easily to round edges? Such that when I have unified some polygons I could issue a command ...
0
votes
2answers
56 views

using Python to calculate NDVI, output as a Geotiff

I need a script that can calculate NDVI from two separate input Geotiff files, then output the results as a Geotiff. I wrote following script, most of which is borrowed from various on-line sources ...

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