3
votes
1answer
478 views

How to use raster calculator in ModelBuilder to batch reclassify hundreds of rasters?

I'm not sure what the problem is here. I'm attempting to use iterate by raster to feed all the files through a simple map algebra expression (I'm looking at data that indicates probability of ...
0
votes
0answers
17 views

Create custom map for event [on hold]

I wish to create a customized map for an event The event's area and all objects will be saved before the event. (1 week to a few days) The festival area is going from: A = x:y B = x:y C = x:y D = ...
0
votes
0answers
7 views

How to configure feature type and publish layers in Geoserver via REST interface?

I used the parameter ?configure=all at the end of my http request but I noticed that cURL hangs, data are published but cURL does not get back with the response, so what I would like to achieve now is ...
0
votes
0answers
26 views

Grouping Analysis (Clustering) of polygons with streets as borders in ArcGIS?

I have a question about the Grouping Analysis Tool in ArcGIS. Is it possible to use streets as spatial borders for the groups? I want to group a city district autmatically with multiple attributes, ...
2
votes
1answer
30 views

QGIS plugin problem, can't reach objects in a Qt-based Stacked Widget

I am creating a plugin for QGIS but am having trouble with the Qt components. I have used Plugin Builder and Qt designer to create all necessary files for the plugin. I want to use a QStackedWidget ...
2
votes
2answers
293 views

How to draw Rectangle and Circle using free hand mouse in openlayers3?

How to draw Rectangle and Circle using free hand mouse in openlayers3 ? I know we can draw point, lines, and Polygons. I saw this example: http://openlayers.org/en/master/examples/draw-features.html ...
0
votes
0answers
18 views

Accessing Versioned data using database link

I have geodatabase on one Oracle server. The data is versioned. I am trying to access the versioned data from another Oracle server using a database link. While accessing the a feature class named ...
1
vote
1answer
18 views

How to catch mouse-over event on dynamic service layer

I need to fetch as IMAGE, the results of querying/filtering the data of a layer. So, I decided to use the dynamic service layer. I can use the identify task to so as to show an infobox containing ...
1
vote
1answer
306 views

How do you create a CartoDB viz with a dynamic SQL statement?

I want to create a CartoDB viz where the where parameter in my SQL statement changes dynamically at runtime. When I share my CartoDB viz from the dashboard, I can't help but notice the the SQL ...
0
votes
1answer
16 views

how to add map into browser using openlayer3 and geoserver?

i am new in openlayer 3 , please check my code , no error showing in console , but map is not showing in browser , please help mymap <style> body ...
0
votes
2answers
78 views

How get the attributes list from a feature in OpenLayers 3

I'm getting a Vector layer from a WMS server, but I dont know which field are include it. In previous version feature object had a attributes collection but I can't find it now. Is there a way of ...
0
votes
1answer
32 views

Arcpy - Updating fields using time.localtime()

My objective is to change the values under field "DATE_IMPOR" which are currently set at to the current time using time.localtime function. I'm having some problems getting there, above all one line ...
0
votes
1answer
25 views

Can I use esri-leaflet together with arcgis api?

I am not sure I have understood the co-existence of arcgis javascript api with the esri-leaflet library. Can I use leaflet together with the javascript api. For example can I have my map built with ...
0
votes
0answers
3 views

Missing importfromURN in gdal java wrapper

The java wrapper of gdal doesn't have the method importFromURN, and I want to use the projection system which is specified in the URN string format. Is there a way in which I can do that? Maybe I can ...
1
vote
1answer
199 views

How to append result to Geocoder text box using ArcGIS JavaScript API?

I want to append result of a custom search in a Geocoder text box in ArcGIS JavaScript API by overriding the default result. I have written the below code for this, but I am not getting a ...
8
votes
2answers
2k views

Converting File Geodatabase Table to Access 2007 ACCDB table programmatically?

Does anyone know of a method to convert a File Geodatabase Table into an Access 2007 Table programmatically. I have been trying using the PYODBC library and a series of insert statements but am ...
8
votes
1answer
910 views

Getting units from ISpatialReference of ArcObjects?

How do I get the units (meter/feet) from an ISpatialReference object in ArcObjects?
11
votes
2answers
3k views

How to add custom Feature attributes to Shapefile using Python?

I am seeking a way to take an existing Shapefile that has a Feature set of 200 countries. Each country Feature has an attribute of "NAME." My objective is to create a Python script that adds an ...
1
vote
1answer
57 views

How to replace characters to eliminate encoding errors?

Working with Qgis, I have a table representing streets. Attributes inlude street name, length, pavement and some others. Unfortunately, all names with ä or ö or ü display 'odd characters' like Ã1/4. ...
0
votes
1answer
23 views

Speeding Up pgr_dijkstra using bounding box in PostGis2.0

I'm using PostGIS for the first time to calculate distances between two points, for a driving school booking system I am working on. I have loaded in all of the maps for Australia, but the query I ...
2
votes
1answer
255 views

Determine when I have crossed state line?

We are currently using the Google Maps API to get route information and total mileage but we would like to determine when we are crossing into a new state. When we return the route information we can ...
2
votes
1answer
75 views
+100

Implement r.cross / ArcGIS Combine with GDAL

I am using GDAL to process a lot of rasters. I then need to combine all the arrays to create a single output raster that represents all the unique combinations of values. I.E the same thing as ...
1
vote
0answers
27 views

Import shapefiles into PostGIS using Python with psycopg2

I want to import shapefiles to PostGIS using Python with arcpy & psycopg2 to connect to PostGIS. I don't want to use the existing shapefile loader nor ogr, just write my own import tool. My steps ...
0
votes
2answers
36 views

Points within polygon in QGIS [duplicate]

I have a shapefile with polygons. And I have a csv file with points. Now I want to know for each point in which polygon it is situated. Every polygon has a number, so I want to create a file where you ...
0
votes
1answer
43 views

encoding error between maptools and arcgis

I am having a trouble of encoding at writing shape file by maptools (0.8-34) of R by MacOSX and reading that by ArcMAP 10.2.1 in windows 8.1 through parallels desktop. Using an original shape file, I ...
0
votes
1answer
12 views

Adding GeoEye1 sensor to grass i.atcorr

Following the instructions, I've updated the iwave.h and iwave.cpp files using the official spectral responses from DigitalGlobe (In the iwave.h file I don't know if it's necessary to use more ...
1
vote
1answer
24 views

Clip layer with selected object from another layer in QGIS

In ArcMap, I can clip a layer with selected objects from another layer by using the editor toolbar. I want to do the same operation in QGIS. I want to create holes in the landuse layer by selecting ...
0
votes
1answer
142 views

CartoDB layer selector - selecting data from 2 layers

I used the CartoDB layer selector example (http://cartodb.github.io/cartodb.js/examples/layer_selector.html) with my data. Works fine. Now, what I really want to do is to select data from 2 layers at ...
0
votes
1answer
41 views

Can't import shapefile to PostGIS

Sorry if my question is double post with the previous. I have tried to browse but I think I still can't find the solution. I am using postgresql 9.4.1 and postgis 2.1(pg 94) and also qgis 2.4.0. All ...
0
votes
1answer
35 views

Intermediate files disappear in ArcGIS 10.1

I am working with ArcGIS 10.1 creating some slope and aspect files. I do this: DEM_park = ExtractByMask(mosaic_name, park_area) and it creates the DEM_park file in a default gdb with a default ...
1
vote
1answer
19 views

Which is the correct distribution to use?

I wanted to know that if the pre-build js of OpenLayers-3 available at http://openlayers.org/en/v3.2.1/build/ol.js is self-sufficient or does it need to use the internet for any of its functioning?
1
vote
1answer
123 views

Ordering Cartodb torque visualization over Google Maps heatmap layer

I am attempting to create a map with two layers: a CartoDB Torque visualization on top and a Google heatmap layer underneath. So far I have only been able to get them to draw in the opposite order ...
0
votes
1answer
28 views

Problem with importing WKT to PostGIS

I'm trying to import WKT (http://polygons.openstreetmap.fr/get_wkt.py?id=2413177&params=0 - boundary of one of districts of Łódź) into PostGIS database and convert it to geometry. I've created ...
1
vote
1answer
21 views

Using “calculate field” in python script fails to display Arabic characters correctly

Using “calculate field” in python script fails to display Arabic characters correctly. I have exported the modelbuilder to python script, but unfortunately the Arabic characters cannot by displayed ...
2
votes
2answers
21 views

Display a WFS service with OpenLayers 3. Define an add custom projection

I am new in OpenLayers 3. I am working with GeoServer 2.6.2 and I would like to create a web mapping with OpenLayers 3. I am working with a custom projection from El Salvador (Central America). It is ...
1
vote
0answers
24 views

Leaflet Maps Sync Problem

I am trying to sync 3 maps (BaseMapd, overlayMap, tiledMap) side by side however these maps don't sync together immediately but it works sometimes during different multiple browsers (Chrome, Firefox ...
0
votes
1answer
27 views

File Geodatabase coded domain not recogized by ArcGIS Online?

I created a File GDB and set up a domain, and the domain was assigned to a field in a feature class. The domain behaves as expected on ArcGIS Desktop (dropdown list when editing the content of that ...
2
votes
0answers
13 views

Error using grass script v.lidar.edgedetection

I'm in trouble with the grass script v.lidar.edgedetection. When I try to filter an xyz format dsm the script starts but at the end of it an error message appears (see attached image). Somebody ...
0
votes
0answers
18 views

suitable column Data-type for geojson data storage and processign in PostGis

I have a MySQL table with 2 columns, id, a unique geometry id, and GeoJSON stored as a varchar, eg, {"type": "Point", "coordinates": [116.4, 45.2, 11.1]} ...
2
votes
1answer
2k views

How to fix python ImportError: DLL load failed: The specified module could not be found?

During import fiona, I am getting following error. Error is different from other user so I asked this question may be it is repeated. import fiona Traceback (most recent call last): File ...
0
votes
0answers
18 views

Calculate the time between two processes [on hold]

I need to calculate the time between 2 processes. I found a few things but they don't work: time.locationtime(time.time()), time.time() I can make start time which is ok. I can make end time which ...
0
votes
0answers
26 views

Layer Tree and Layer Switcher (OpenLayers and ExtJS)

Is there any possibility to get only the Base Layers (for example OpenLayers) in the LayerSwitcher and only the Overlays in the LayerTree? I tried "'displayInLayerSwitcher': false", but with this my ...
1
vote
1answer
19 views

Opening spatial weights matrix file (SWM) from ArcGIS for Desktop in Excel?

I successfully generate spatial weights matrix file (SWM) to get the nearest neighbors for polygons shapes in ArcMap 10.2.2 but I am confused how to open this file its a compressed file and when I try ...
179
votes
51answers
48k views

What Makes a Map Beautiful?

Often times when we make maps it is based on our subjective interpretation of what is aesthetically pleasing. I would like if people posted examples of beautiful maps, displaying any phenomena in any ...
1
vote
2answers
161 views

Error in displaying wfs layer from mapserver/postgis

I have read and tested all the relative posts but I still don't have a solution for my problem. I have a layer suscribers (points) stored in postgis database with srid=32232. I would like to display ...
0
votes
2answers
32 views

Using GDAL/C++ to calculate distance in meters

I'm using GDAL in C++, with WGS84. I want to calculate distance between two points in meters. The code snippet below tries to find the distance between 25N/75E and 25N/76E. The code, as is, returns ...
1
vote
1answer
187 views

How to set field values as labels in QGIS2 Print Composer

I am mapping the distribution of 325 bird species, displaying circles in the grid cells each species occurs in. The data contains as many duplicates of the NAME as there are cells in which it occurs. ...
2
votes
1answer
224 views

Free Web-service providing Satellite Images

Is there any web-service currently available which is hosting satellite images as open-source, just like OSM web-service hosting vector maps? We want to make a real-time traffic monitoring commercial ...
2
votes
1answer
181 views

font error when using mapnik generate_tiles.py

generate_tiles.py has worked fine throughout the transition from mapnik 0.7 to mapnik 2.x in gentoo linux. Now I have switched to debian (wheezy) and I am getting the following error when I run ...
0
votes
0answers
9 views

How to customize and add additional features in GeoNode

I need some advice on how to start customizing my GeoNode installation. I tried reading up on GeoNode documentations on how to do it but it always boils down to customizing or adding to the Django ...

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