2
votes
1answer
8 views

Mapserver - Standard Pointsymbolizer edited by SLD

I have pointfeatures in a OpenLayers map. Every feature has a different attribute or several have even more than one attribute. Thus I would like to use not the standard point symbols like that ...
2
votes
1answer
17 views

Using Network Analyst on a Global Scale

I am using Network Analyst to run some analyses on global networks. In particular, I am trying to find shortest distances between points. However, I noticed that routes are not crossing the Pacific. ...
0
votes
1answer
32 views

Openlayers 3 map displays on a Desktop, but will not display on a Mobile

I have the code shown below that works perfectly on a desktop, but will only display the OSM layer on a mobile device. Am I missing something obvious? My understanding is that it should work on both ...
0
votes
1answer
35 views

Can not SET a Value in table using Python?

I'am trying to set values in table, the code run good, i don't got errors, but nothing is done ! I'm using Arcgis10.1, arcpy and Python This is the code : import arcpy import math import arcview ...
3
votes
0answers
23 views

What is the openlayer.js alternative of unloadinvisibletiles of leaflet.js

I am using open layers with a tile server. I want to load maps while panning and destroy the loaded region when out of screen (Alternative to unloadinvisibletiles of leaflet.js) How am i suppose to ...
2
votes
0answers
29 views

${z}/${x}/${y}.png explanation needed for offline map

Im trying to build map with OMS under Linux (Ubuntu) to made an offline apps. Im working with Ionic and building just for Android for write now. I have the base code: var map; function ...
2
votes
0answers
14 views

Errors when using the Corridor Designer tool from Arctoolbox

I am using the corridor Designer ArcToolbox for designing a habitat suitability model and I've got the following errors: Error 010328: syntax at or near symbol SPACE ERROR 010267; Syntax error in ...
1
vote
1answer
20 views

Releasing features from a recycling feature cursor

I have a recycling feature cursor that is used to fetch a single row. Is it my responsibility to release that returned feature, or will it be cleaned up by the cursor as it would be if I consumed the ...
1
vote
0answers
28 views

Snapping while measure in QGIS?

I've been reading here and there that snapping while measuring should work in QGIS, but i can not make it work for the life of me. https://hub.qgis.org/issues/8537 All the snapping options are set ...
3
votes
2answers
113 views

Open layer plugin in Qgis 2.6.1 crashes and errors with zoom

I have a major problem with the open layers plugin. The maps of the plugin won't zoom to the right scale, or they just simply crash. I never had these problems in the old Qgis versions. This way, I ...
0
votes
0answers
32 views

Mapfile generation from QGIS project

I am looking for a way to transform a QGIS project (.qgs) to a MapServer Mapfile (.map). I am using Quantum GIS 2.6 and MapServer 6. The layers are postgis tables. I would need something like this ...
0
votes
1answer
16 views

What does 'Course Made Good' in NMEA string mean?

I was looking at some GPS data that a client sent me. It has lines like this: $GPRMC,183123,A,1725.4170,N,07825.4779,E,37.80,297,161214,, I was looking at http://aprs.gids.nl/nmea/#rmc, which says ...
1
vote
1answer
8 views

Trouble in Natural Earth Shapefile “jumps” read using GeoTools

I'm using GeoTools 12.0 to read in Natural Earth data. I'm really happy with the performance, and ease of implementation. But, I'm having trouble reading in very large polygon data. The 110M Ocean ...
2
votes
1answer
45 views

How can I calculate the radius or curvature of a meandering river?

I want to calculate the radius of curvature of a meandering river with ArcGIS 10.1. I have used the Planform Statistic Tool, developed by the National Center for Earth-surface Dynamics, to calculate ...
1
vote
0answers
18 views

Is it possible to only have one Feature Attribute Window open in QGIS?

I suppose it's by design that when you click through(identify) your features, for every feature it opens the attribute window (which is good, i have enabled the checkbox to automatically open the ...
-1
votes
0answers
31 views

Create a .mbtile from … what source?

I am attempting to create a .MBTile file to create a map in an IOS application. If you look at the above image. this "World map" comes from a .MBTile file named "Georgraphy_class" I would like to ...
8
votes
2answers
155 views

More accurate way to calculate area of rasters

In my daily work, I am constantly asked to calculate areas of global raster datasets in geographic projection at 30 arc second resolution. These datasets are normally the result of a Combine operation ...
-2
votes
0answers
24 views

AttributeError: 'module' object has no attribute 'users' [closed]

I'm new to PYTHON. I keep getting above error. B elow is my code #!/usr/bin/python import socket import sys #with open('./users.txt', 'r') as f: with open('./users.txt') as f: for users in ...
0
votes
0answers
21 views

Google Maps zoom number and min/max scale(Openlayers)

How to set Google maps' zoom number accordingn to min/max scale of a wms layer? If min scale is 1/50000 and max scale is 1/5000 (units: m), which zoom number is resonable? I tried to set min zoom ...
-3
votes
0answers
10 views

Converting 32 bit signed integer to 8 bit unsigned integer using spatial modeler (ERDAS Imagine) [closed]

I have created a spatial model in ERDAS Imagine for image normalization. During the process of image normalization, the image is of signed 32 bit integer. I just want to know how to convert this to ...
0
votes
0answers
5 views

Sld for main city names in a country

I am working with Geoserver and Geoexplorer and try to create my own sld to style those maps. I was download osmdata and add layers to map how to filter main cities in a country using sld ?
0
votes
1answer
23 views

Leaflet - what to do when your maptiles don't load?

I'm using Leaflet, and using OSM's tile.openstreetmap.org tile server. However, sometimes my application does not load the maps tiles. It seems OSM's servers are having some problems sporadically, ...
2
votes
0answers
10 views

Geoserver : create a rasterized polygon / dynamic fill for polygons with features from database

I decided to post here because I couldn't find any answer to my problems on the internet. So I am using geoserver 2.7-SNAPSHOT, everything is working fine but I need to implement a new function or ...
0
votes
0answers
9 views

Sld label repeating for polygon while zooming [duplicate]

I was already referred Polygon label repeated for each tile I am working with Geoserver and Geoexplorer and try to create my own sld to style those maps. I was download osmdata and add layers to map. ...
0
votes
0answers
5 views

Display scaleline on printpreview of ArcGIS silverlight app

I am using the arcgis for silverlight api for a viewer in which it is possible to print the map (with a print preview of the map). To show the printpreview, It makes a clone of the mainmap: ...
4
votes
1answer
109 views

Postgis Difference with Geometry union

I've got two GIS tables, let say A and B. I would like to do the difference of A using B. While it's pretty straightforward to do it with QGIS (using geoprocessing->difference), I've got much more ...
1
vote
1answer
38 views

How to customize the QGIS default GUI using Python?

Is it possible to hide/remove/customize the default ui of qgis using python plugin. I want to add my own menus and toolbars and remove default. If it's possible, which reference should I use?
0
votes
1answer
33 views

Make city labels inside of its country

I have City points and a Country polygons. Is it possible to make it so that labels of the cities are inside of their own country without converting to annotation? I'm using ArcGIS 10.1 for Desktop.
0
votes
0answers
12 views

Call style function when zoom the map?

First I am attaching my code snippet. var selectControl = new ol.interaction.Select({ condition: ol.events.condition.click, //not stable as per documentation layers: ...
1
vote
1answer
27 views

Regarding spatial relationships, what is the Dimensionally Extended 9 Intersection Model (DE-9IM)?

In plain English what is the Dimensionally Extended nine-Intersection Model (DE-9IM)? What is the meaning of each row/column in the matrix? How can I use that information to build a relation ...
2
votes
0answers
47 views

Help with Python/GDAL documentation

The instructions from the url http://gdal.org/gdal_tutorial.html give the following example: dataset = gdal.Open( filename, GA_ReadOnly) with the following description: It's interpretation is ...
2
votes
0answers
52 views

Iteratively exporting from Table to .txt in Model Builder (ArcMap) not appending correctly

I am solving a location-allocation type of problem where I use a loop to go through several specifications of the problem. The model runs fine, and produces the vizualization outputs just as expected. ...
0
votes
0answers
6 views

Using CQL to query Multiple WMS layers? [duplicate]

I have two WMS layers, one with points which lie on a state map. I want to use cql to display a particular state and points on it ..when I separate the queries with a semicolon (ex ...
1
vote
1answer
48 views

Creating Self Executing Python Script (*.py)?

Trying to figure out how to create self executing python scripts with using the ArcGIS python window. I'm ok (generally) when developing and running scripts inside the python ArcGIS windows but ...
1
vote
1answer
34 views

Openlayers 3 scale past nativeZoom like Leaflet?

Is there any way to get Openlayer 3 to scale past the native zoom as is possible in Leaflet? For reference, in Leaflet simply set maxZoom higher than maxNativeZoom and it stretches or perhaps scales ...
1
vote
0answers
19 views

Asking linear regression between NDVI and LST using ENVI

Here I have a problem to calculate a linear regression. I Have two images of NDVI and LST derived from Landsat 8 and want to calculate the linear regression for between them obtaining the dry edge and ...
1
vote
0answers
18 views

shared story map link requiring sign in?

I finished a story map with my ArcGIS Online account and linked it on Facebook and was told by someone that they need to sign in? Why's that?
0
votes
0answers
7 views

Default table setting in GeoServer? [closed]

In GeoServer I have two data tables. How do I select the other one to be the viewed one on the website, currently at the moment they have two different names, but we need to restore the original ...
2
votes
0answers
14 views

Aggregate nearby points to develop equally sized regions in QGIS

I have a list of 4,500 points (lat, long, unique id, attribute). I also have a service territory which all of the points fall into. I would like to break the service territory (polygon) into 6 ...
1
vote
0answers
29 views

Making offset to polyline using ArcGIS for Desktop?

Is there a way to make an offset to a polyline in ArcGIS? i.e. something like the command "Offset" from AutoCAD. https://www.youtube.com/watch?v=9A8CyoAMnjU I can't use the Buffer tool because I ...
1
vote
1answer
23 views

Run OTB commands in OSGeo4W Shell scripts

I am trying to run shell scripts with Orfeo-toolbox commands, and I'm new to all this.... (I'm working in Windows 7). I can type otbcli_ComputeImagesStatistics -il Imagery/P1_10cm1.tif ...
2
votes
1answer
55 views

neighborhood boundaries for Saudi Arabia

I currently have set of coordinates (lat,lon) that I would like to associate with neighborhoods or districts in Saudi Arabia. Therefore,I might be looking for neighborhood boundaries (polygons ...
0
votes
1answer
20 views

csv data into an .xml Workspace Document to import into my geodatabase?

I'm looking to import data into my geodatabase from an .xml file using the import XML workspace document utility that comes from right clicking the geodatabase in ArcCatalog . Only problem is my ...
1
vote
4answers
64 views

NameError: variable not defined even though set multiple times

This code original worked when run through the python command window in ArcCatalog. After I added the script to a toolbox I have had all sorts of troubles. The most frustrating error has been: ...
2
votes
1answer
18 views

Assigning values to a grid cell based on number of intersecting features

I need to create a grid that will include a single value for each cell which represents the total number of "stressors" intersecting that cell. So, the final product will be a 1km grid with cells ...
3
votes
1answer
27 views

Help with Python script to query feature server

For the purpose of saving the data locally from a feature server online I have written code below: import arcpy fcout = r'C:\Forum\Hydrants\test01.shp' url = ...
0
votes
0answers
21 views

Repeating a model until all Records of one field are true

I am creating a model that begins with a series of time stamped lat/longs that creates a "KM_HR"(kilometers per hour) field based on estimated migratory movements of a species. After the model is ...
3
votes
0answers
34 views

Extract DEM and DTM information from LIDAR image using E-Cognition

I´m trying to extract DEM and DTM from a LIDAR file. I just rasterize the image but then I don´t know which algorithm I need to apply to obtain the DEM and DTM information in different models to be ...
2
votes
3answers
75 views

Moving (translating and scaling) a polygon in a shapefile

Updated Question: I have an ESRI shapfile of the US, with Alaska, Hawaii, etc, broken down by county. I'm extracting the polygons (each representing a county) from the shp file, and then displaying ...
-2
votes
0answers
38 views

How to see all information as data on map? [closed]

¿Cómo puedo ver toda mi información da datos en el mapa? Al cargar los datos de las comunidades autónomas de España, no me los reconoce todos los nombres sino algunos y eso me pasa con cualquier tabla ...

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