0
votes
0answers
2 views

QGIS 2.4: make an image-to-image registration to link the 2 images (RGB AND NIR)

I have 2 images (RGB and NIR) in png form from field and i need to link them together somehow to be able to see the overlapping areas, and cut out the wrong ones. How to do this with QGIS 2.4.0
0
votes
0answers
2 views

Start session edit on a specific layer on the map ?

well i create a geographic information system using ArcOjects my application needs to be connected with a geodatabase stored in SQL Server i used ARCSDE to connecte my application with the database, ...
1
vote
1answer
30 views

UnicodeDecodeError: While installing gdal in a new Python Virtual Environment

I was trying to create a Python Virtual Environment for some initial GIS development. I installed pip and virtualenv and then tried the following commands from the Linux-Terminal to accomplish the ...
0
votes
0answers
4 views

Spatial Join in Arcpy - wrong line segments are being matched

I'm working on an analysis in which I want to compare 2 polyline-datasets. In one of the first steps, I use a spatial join to create a sub-dataset with only those line segments that have an exact ...
1
vote
1answer
119 views

How to dispatch events from javascript

I am trying todispatch events from external javascript to open tooltips or infowindows from feature points. What I am doing using google maps api is something like this: function myClick(id){ ...
0
votes
0answers
18 views

How to extract elevation data from ASTER/SRTM?

I just want to know,if there any other tool available in QGIS apart from point sampling tool to extract elevation data from ASTER/SRTM/CartoDEM (for India) data's ? When i convert these images to XYZ, ...
1
vote
0answers
39 views

Copy Features giving ERROR 000210: Cannot create output in ArcPy?

I have an issue where I'm trying to save separate feature classes for each route in an already solved closest facility problem, and one seemingly arbitrary route won't save. I tried to look at the ...
1
vote
1answer
16 views

Restricting ArcGIS network analysis to finding origins/destinations with common ID?

I have two point feature classes, patients and physicians. The patient feature class has a record of which physician each patient visits (a one to one relationship). I would like to run an OD Cost ...
2
votes
1answer
25 views

What is an efficient Algorithm to draw a straight line from points?

I have some cross section survey data, which is like this: X Y Z pt_dt 2970969.635 359725.0088 83.4242 1-x 2970968.278 359722.2182 83.2591 1-x 2970941.771 359670.127 83.0655 1-x 2970961.369 ...
2
votes
1answer
30 views

MapBasic sentence to update column contained in an object table

I was looking for a MapBasic sentence to update a MapInfo table. I've got two tables and I want to update one of them (POINTS) with an attribute of another (REGIONS). I would like to update points ...
2
votes
2answers
24 views

How we can get output for os.system() in python?

I wrote the following command in Geoserver rest-api using curl: cmd=curl -v -u admin:geoserver -XGET -H "Accept: text/xml" ...
0
votes
1answer
13 views

Query to find all lines connected to other

I have problem with one spatial (Oracle) query. Simplified overview of the problem is: I have two tables: CREATE TABLE thin_lines ( id NUMBER PRIMARY KEY, geom SDO_GEOMETRY), color ...
3
votes
1answer
51 views

QGIS Processing Progress

I have been developing a python plugin that uses Processing algorithm for raster calculations. I want to support the gui with progress bar. How can i connect Processing job to progress bar? I found ...
2
votes
0answers
39 views

Converting KML To Layer using ArcPy losing objects?

I am trying to a convert kml file to a layer using python. This is my code: import arcpy arcpy.KMLToLayer_conversion('C:\kml\\result.kml', 'C:\kml', 'result') But the layer has lost a lot of ...
1
vote
1answer
113 views

Using unicode characters (arabic) in Select By Attribute of ArcGIS for Desktop?

I'm new to Python scripting with ArcGIS for Desktop and I have unicode characters (arabic) in my attribute table. I want to use these characters in my script but when I try to do that the script ...
0
votes
1answer
81 views

How to update/delete data from a datagridview?

I wanna be able to update/delete data from a datagridview, and when I do that of course the data in my PostgreSQL database should be edited too. So I've thought about giving the user the ability to ...
1
vote
0answers
4 views

QGIS 2.2: prevent labels being cut off / clipped at edge of map

I've read a few other issues about trying to prevent labels from rendering if they run off the edge of the map canvas. This is particularly a problem in Composer, where I get lots of country labels ...
4
votes
2answers
4k views

Resolving ImportError: No module named arcgisscripting?

I am trying to run an ArcGIS python script from Eclipse and get the following message: ImportError: No module named arcgisscripting I can run this in IDLE... any ideas?
0
votes
0answers
8 views

How can I associate a consistent polygon area with a set of attributes using a topology?

Consider the following topology. SELECT CreateTopology('topotestschema', 0, 0.01); CREATE TABLE pregen.topotest (id SERIAL PRIMARY KEY, data TEXT); SELECT AddTopoGeometryColumn('topotestschema', ...
1
vote
1answer
35 views

Is there a PostGIS function to get a tangent and normal line?

I'm looking for a function that will return a tangent (and normal) for a LINESTRING in PostGIS. I think this is the 3rd time I've come across the need for this function and everytime, I end porting ...
0
votes
0answers
13 views

Count trees with SAGA GIS?

I have a problem when I try to input A as dsm and b as dem. I followed the steps in this blog http://dominoc925.blogspot.com/2012/02/simple-method-to-count-trees-using-saga.html In grid difference > ...
0
votes
0answers
34 views

GeoServer, OpenLayers and updatable views: unable to edit data of WFS-T feature layer

I am developing an web application, where the user is able to view and update some feature attribute of a WFS layer. My problem: the edited data is not saved at all. Here's the situation: GeoServer ...
4
votes
4answers
2k views

Where can I download the exercise data for The Free Quantum GIS Training Manual?

Where can I download the exercise data for The Free Quantum GIS Training Manual? The pdf of the manual just mentions the sources of the data, but doesn't give any links.
-1
votes
1answer
21 views

What kind of coordinate system has values like 48569.800mE, 706602.032mN?

I am seeing the following set of coordinates, and I was wondering what kind of system is this? 48569.800mE, 706602.032mN
0
votes
1answer
79 views

how to get json from describe feature type

i m using geoserver 2.1.3 i want to get the fields of layer from database http://[localhost]/geoserver/wfs?request=describeFeatureType&typename=topp:states this reurns me output in xml format how ...
1
vote
1answer
148 views

Cesium 3D Map help

I am new to cesium and I want to display 3d shapefile using cesium.Conversion of shapefile in czml and display into cesium in main hurdle.
1
vote
2answers
363 views

Select features of layer which is not on top in OpenLayers

I have posted this question before on the general StackOverflow forum: http://stackoverflow.com/questions/16278569/select-features-of-layer-which-is-not-on-top In short my problem is that I have a ...
4
votes
2answers
389 views

Does Calculate Value (Model Only Tool) work correctly in tools run in Batch?

Am I correct that if my model has a model-only tool (Calculate Value), and then I run the model as a batched process, it will not run the Calculate Value expression? I wrote a model to upload, ...
1
vote
0answers
1k views

How to batch a model created with “model builder” in arcmap 10?

I created a simple model that selects iteratively elements from a point dataset and calculates a cost distance raster for each of these points. It works fine when I run it for just one dataset, but ...
4
votes
3answers
67 views

Habitat connectivity — how to map connectivity between polygons based on a separate polygon layer

I have a polygon layer representing a habitat type and another polygon layer representing water features. I want to be able to assign to each water feature whether it shares a connection via a ...
1
vote
0answers
28 views

Cause of Error 000308: Invalid Field Type when batch running ArcPy script?

This is my first post on this site. I am using ArcGIS 10.2 for Desktop. I wrote a simple script in the form of a python toolbox to calculate the speed of travel between consecutive entries of a ...
1
vote
1answer
44 views

Does CartoDB support alphabets other than Latin?

Does anyone know if CartoDB supports alphabets other than Latin? I'm trying to upload some data with Cyrillic characters but have had no success. Appreciate any feedback you can provide!
1
vote
1answer
25 views

Does cartodb support arabic text?

I'd like to use Arabic text in my map. I saw this post earlier about Cyrillic text (Does CartoDB support alphabets other than Latin?), but does anyone know about Arabic? Thanks!
2
votes
2answers
87 views

Open Arabic Shapefile in Qgis

I have a shape-file all it's fields are in Arabic. When I opens it in qgis 2.0 all the data is replaced by "?". I changed the encoding to Arabic or UTF-8 but with the same result. How can I Open an ...
3
votes
1answer
235 views

Query task issue with Arabic input

I am using ArcGIS Java Script API version 2.8 & using query layer in ArcGIS server. The data is coming from sql server and most of the data is in Arabic language. I am sorting the data and ...
0
votes
0answers
10 views

Display Arabic text in ArcGIS

I have my GDB where names for few fields in feature class is written in Arabic language. when i label them it is displaying label but unable to understand the text as it is symbolizes / coded . Can ...
1
vote
1answer
83 views

Changing field / alias names in a shapefile using ArcMap10.2

I have a query regarding changing field and alias names in a shapefile. ArcGIS info for 10.2 says: ...For example, you can do any of the following: Define an alias for a field name so the field ...
0
votes
1answer
27 views

How to convert LAS file to ASCII for DSM in SAGA GIS?

I want to count trees in SAGA GIS and when I try to follow the steps in dominoc925.blogspot.com, there was no problem with asci file (i have converted las file (dem)) but there was a problem with dsm ...
0
votes
0answers
9 views

Layer just for annotations

Im relatively new to QGIS and would like to know whether or not I can save my form annotations to a layer so I can turn them on or off.
0
votes
1answer
79 views

Open multiple hyperlinks in one point directly from QGIS?

I have an enormous shapefile and each point has about twenty different attributes. About five of these twenty are hyperlinks- is there anyway to open these directly from selecting a point in QGIS? ...
0
votes
1answer
10 views

Unable to access GeoServer from another computer in the same domain

I installed GeoServer 2.5.2, GeoNetwork 2.10.3 and Tomcat 7 on my Windows 7 computer {MyComputer} in our company's network. Now I would like to access GeoServer, GeoNetwork and Tomcat from other ...
5
votes
2answers
50 views

Working with address data extracted from *.osm

My goal is get all the addresses from a certain country, ideally - from all countries, but for now - only from one. I downloaded an *.osm file from here http://download.geofabrik.de/ for a certain ...
1
vote
1answer
26 views

Flow accumulation raster loading in QGIS 2.4.0 with null values (but flow direction loading ok!)

I have been tasked with creating an open-source hydrology dataset for a community group. To do this I have exported the flow direction and flow accumulation rasters from ArcMap as TIFF files and then ...
0
votes
1answer
19 views

Overwrite option on a standalone ZonalStatisticsAsTable using ArcPy

How can I code an "overwrite option" on a standalone ZonalStatisticsAsTable using ArcPy? I don't see any overwrite option from a Esri example. # Execute ZonalStatisticsAsTable outZSaT = ...
3
votes
1answer
676 views

Limit Zoom on WMTS Layer using Openlayers 2.12

I'm implementing a baselayer to be used by a Plone addon (collective.geo.openlayers). My implementation specifically creates a layer and returns it to the addon, which enables many different layers to ...
0
votes
0answers
11 views

Working with Fulcrum data in QGIS

I have been sent some shapefiles, gathered using the Fulcrum app. However, when I load them into my project on QGIS 2.2, they wont display. They will display if I go to 'Zoom to Layer Extent" but ...
1
vote
0answers
22 views

ogr2ogr does NOT save “styles”, say “color”, information; how do I get around it? [on hold]

I'm using ogr2ogr to convert KML to GeoJSON and I'd like to extract style information along with the data. The bash script I am using is: filekml="/tmp/poly.kml" filegeojson="/tmp/poly.geojson" ...
3
votes
2answers
111 views

Mapping Trails with GPS - Hardware Suggestions

I have been hired to map about 100km of XC ski trails. I am super proficient in GIS but have not done any detailed GPS work since college when I worked with some sort of Trimble explorers. This is a ...
3
votes
1answer
31 views

Linear referenced data driven pages

I am trying to create a form of data driven page that incorporates linear referencing very similar to the "Linear referencing scenarios" example: I have a map that I will display on each page that ...
2
votes
2answers
413 views

Clip_management to raster extent outputs larger raster than raster extent

Using Python and ArcMap 10.0 SP5, I'm trying to reproject and clip a large input raster to exactly the same grid as a smaller target raster (same extent, pixel sizes and projection). The problem is ...

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