0
votes
0answers
2 views

python shell crashes on table to table conversion

I have two computers running the same code and on one (with better performace) it runs fine but the other crashes the python shell when executing the code below. I really don't understand why, any ...
0
votes
0answers
3 views

Leafletjs draw a circle that encompasses polyline

After drawing a polyline, I would like to draw a circle from the center of this line whose radius encompasses the entire line. For polyline's that have more than 2 points I can crudely get the center ...
0
votes
0answers
10 views

OpenLayers and GeoJSON

there! Recently I started learning Openlayers 2x and I've been struggling for a while now with a GeoJSON and it's projections. So, here is the deal; I successfully added wms layers from ( ...
0
votes
0answers
5 views

Where is documentation for OSGeo FDO API?

Can anybody help me to find the documentation for OSGeo FDO API for .net and for NetTopologySuite API ?
0
votes
0answers
5 views

Slanted raster along the line? Wind erosion model and windbreak effectivity

I'm working on wind erosion modelling and windbreak potential. Imagine windbreak, which has some values of optical porosity (in %) and this values determinates the effectivity of windbreak in specific ...
0
votes
0answers
5 views

QGIS formatting problem using POSTGIS (datetime)

I want to use the time manager plugin using data from a PostreSQL-db. In there the time stamp is set up as follows: "[...]to_timestamp('2014-10-21 00:00:00', 'YYYY-MM-DD HH24:MI:SS')::timestamp ...
0
votes
3answers
12 views

How can I display a symbol to a specific attibute in QGIS

I have a point shapefile, where I categorized my waypoints with attributes (schools, toilets, etc) and I would like to display certain attributes with specific symbols. How can this be done? Thank ...
0
votes
1answer
13 views

Solving “Traveling Purchaser Problem”

Till now, I was using PostGIS-pgrouting pgr_tsp function to solve Travelling Salesman Problems. This function can give us the best possible route depending upon the cost parameter when the starting, ...
0
votes
0answers
4 views

how to connect with MS sql server 2014 with Geo server 2.6

I am working with MS Sq l server 2014 and want to developed a web based application with Geo server 2.6 .............i am not able to see the MS Sq l server option in Data->Store please provide ...
0
votes
0answers
6 views

Can I plot points on a map using JSON data from a Node.js API?

I am new to the arcGIS JavaScript API. I have a Node API that is providing geographical information in JSON. I have google'd for examples and searched for solutions on this web site. Can anyone ...
0
votes
0answers
8 views

Saving Map on Server Side as Image File

I am trying to save my openlayers map on the server, following these instructions, the sections Client-side: Tile collection and Server side: PHP: ...
0
votes
0answers
9 views

Apply css styles to layers in openlayers3

define layers and styles using openlayers3 API. i need 2 apply css styles for layers.for that code is in below used //applying styles for wms layer var fill = new ol.style.Fill({color: 'rgba(237, ...
0
votes
0answers
15 views

Loop stops before expected without error message

I try to run a script that clips all the feature class of a geodatabase by the successive features of a clip layer (named pochoir). Thank to support here and here, the test of the intersection is ...
0
votes
1answer
20 views

Best program or tool for visualising big data sets really fast 10-20 GB data if the users don't know squat about GIS?

I have between 10-20 GB various GIS-data that there is a need to set up och and visualise for various users who want to be able to pan, zoom and switch between various layers and groups of layers ...
0
votes
0answers
6 views

This._geometryService is null in mesurement wedjit arcgis javascript api

I'm working on arcgis javascript api, and I'm usint the measurement wedjit, it was working correctly, suddenly, after adding another features to the map, I discovered that the measurement tool is not ...
0
votes
0answers
11 views

Delete user on ArcGIS server against Oracle backend

I have a problem, when we delete users, using the following command: drop user sdedata cascade; We get the this error: ORA-00604: error occurred at recursive sql level 1 ORA-21700: object ...
0
votes
0answers
12 views

How can I draw a Line on a Shapefile?

I have a problem, in Java I can draw points on my Shapefile, but I don´t know how to draw a Line. I found the SimpleLineSymbol, but don´t know how to use it further. My first try was LineString ...
1
vote
1answer
9 views

QGIS geojson vector layer

When I add vector layer to QGIS using geojson protocol, data form server are being displayed. Problem is that every change of map extent (pan, zoomIn, ZomOut) is causing request for same data again. ...
0
votes
0answers
3 views

How can we extract feature for automation method using ERDAS Imagine 2013 software?

I have Quickbird Satellite data, hence I want to extraction from Building foot prints using automation method. Could you give whether its possible or not? If possible how can we use ERDAS Imagine ...
1
vote
0answers
8 views

SLD supports <Displacement>?

I am trying to give style to a vector point layer published on GeoServer and I can notice the displacement command is not working. (Displacement inside PointSymbolizer Graphic) Do you know it could ...
0
votes
0answers
13 views

strange result of spatial functions postgis

I have a problem with different result of spatial functions for same geometry. For some reason result I get when I use geometry from database is different then result when I load same geometry from ...
2
votes
1answer
17 views

Layer from PostGIS with array of integers fields?

I have GeoServer 2.6 and I published a vector layer (point) which some of the field attributes are integer's array. GeoServer doesn't recognize those fields in wfs call or even in the Feature Type ...
1
vote
0answers
8 views

Raster: how to locate cells having nodata

I am new to oracle spatial. I am using SDO_GEOR package's getNoData prcedure. the results are populated in following format. MDSYS.SDO_RANGE(MDSYS.SDO_RANGE(-32768,null)) My questions are: Is ...
0
votes
0answers
8 views

How can i solve multiple route in ArcGIS network dataset?

I created a network dataset using ArcGIS Network Analyst . I have one start and one destination .I want to find three shortest path from start t omy destination ( found three shortest paths from point ...
2
votes
2answers
28 views

What reflectance curve

I was wondering to what surface that reflectance curve belongs. It is definetely no water or snow since their reflectance drops at a much smaller wavelength. I was thinking about a dense cloud but the ...
0
votes
0answers
9 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
0answers
2 views

Connecting FME Server to Active Directory - Failed to create credential

I'm trying to use FME Server's Active Directory integration to authenticate users. The connection works but fails soon after (and single sign on fails). The account has permission to log on as a ...
1
vote
0answers
23 views

How to stylize/design maps without tools like m*p b*x (paid tools) using OSM data

I would like to know, how i'm able to stylize/design maps without using paid tools. I would love to work with Openstreetmap data. I know i could stylize these data in free GIS softwares like QGIS but ...
1
vote
0answers
8 views

how to convert shp and gis line and raster data to autocad (dwg or dxf) in QGIS or GRASS

I am trying to find out which is best free GIS program with ability to convert shp and line and raster files to files suitable for autocad (e.g. dwg and dxf). I have QGIS and GRASS. I get an error ...
0
votes
0answers
9 views

Openlayers - zoom specify a sub section of displayed map to zoom on

I have working solution with openlayers 2 ... moving assets are show on the screen, as soon as they go off the screen, the map pans so the asset is visible on screen (on map) However, on the left ...
0
votes
1answer
22 views

Crop one shape file using another shape file in QGIS

In QGIS 2.0.1, is there a way to automatically slice up one shape file and export it as multiple files using polygons defined in another shape file? I have a detailed shape file that categorizes the ...
1
vote
1answer
14 views

Long term NDVI mean from different resolution satellite imageries

I have 10 years satellite imageries of different resolution (Landsat TM, LISS3, AWiFS and Landsat 8). My aim is to generate long term mean NDVI from that data. Since the resolutions are not same, i ...
1
vote
1answer
17 views

Exporting GIS Images with Transparency

I'm trying to export some images of Gulf of Mexico infrastructure that will later be used for non-GIS purposes as overlays onto sea current/weather maps (likely in photoshop). I have no clue how to ...
0
votes
1answer
18 views

how do you erase polygons that don't have a line intersection?

I am trying to erase any polygons that do not have a line intersection through them and am unsure of what tool to use using ArcMap 10.1
1
vote
0answers
8 views

Why does this Geotools Java reprojection to WGS-84/4326 cause offset?

I am using the block of code below. I am reading in a geotif with a UTM zone projection and converting it to 4326. I am pulling out certain multiband values and creating a new raster, when I plot the ...
0
votes
1answer
30 views

VB to Python for Labeling in ArcGIS 10.2.1

I am really new to Python and do not understand VB. I need to convert this VB script to Python. I think it may take me a few weeks to figure out but if someone helps me I would be grateful. The code ...
0
votes
0answers
19 views

gdalwarp hdf problem

I am working with some hdf files. The following command works on my Mac. command = gdalwarp -of GTIFF -tr 1000 1000 -tps -s_srs "+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs " -t_srs ...
2
votes
1answer
17 views

fit point with raster data figure out those points belong to, and add column and row to represent it in ArcGIS 10.2.2

I have an X-Y point data file, with which has latitude and longitude. I'd like to be fit it with the raster data, then add column and row data on the X-Y point data file. first i created the attribute ...
2
votes
1answer
16 views

Does GDAL has any substitute function for the ExtractByMask in arcpy

I am now using arcpy: arcpy.sa.ExtractByMask(weight_raster,elev) both weight_raster and elev are raster data in different size. I want to use functions in GDAL to replace this arcpy methods. Does ...
0
votes
0answers
3 views

Troubleshooting a few missing shapefiles on Google Fusion Tables

I downloaded a set of election precinct shapefiles from the Clark County Nevada website and converted them using shpescape.com into KML files for Google maps. Now I'm trying to troubleshoot why a few ...
1
vote
1answer
20 views

Checking whether Spatial Reference is Projected Coordinate System using ArcPy?

I'm modifying CreateFishnet in ArcGIS 10.1 using python.. I want to ask the user to input a projected coordinate as spatial reference. How can I check if the user didn't put geographic coordinate by ...
0
votes
1answer
8 views

Creating new raster based on spatial extent and classes of one raster and average of another using ArcMap?

I have a raster that is split into classes and I wanted to make a new raster with this rasters spatial extent and classes but displays the averages from a different raster. I am not really sure how to ...
1
vote
0answers
4 views

Using statisticdefintion in a querytask

I have a question about using QueryTask to accomplish to jobs: Identify unique value for a county in a graphics layer via mouseover. This unique county value (from a specified field) is used to ...
0
votes
1answer
14 views

Copying the numeric portion of an address to a new field

I'm attempting to copy just the numeric portion of a street address into a new table using the Field Calculator in QGIS. The expression I'm trying to use is: left( "SITE_ADDR", strpos( "SITE_ADDR", ...
0
votes
0answers
19 views

QGIS crash when I try print geometry

I do (It`s work): from osgeo import ogr inputds = ogr.Open(r'c:\temp.shp') inputlyr = inputds .GetLayer() for i,feature in enumerate(inputlyr): print i, feature.GetGeometryRef() Output: 0 ...
0
votes
0answers
10 views

How to get linestringe from kml into shp or postgis [duplicate]

Im looking into extracting linestrings from a kml file into a shp file or postgis db. Each linestring would be a feature/row. How would I go about it usinge ogr2ogr or python? I'd like to get ...
0
votes
0answers
12 views

How to save geopackage gpkg file with QGIS

I read about the new geopackage file which shall have the potential to be the shapefile of the future. But i can't find a way to save a file in QGIS as gpkg. In ArcGIS it might be possible. I would ...
2
votes
0answers
17 views

How to edit metadata in QGIS

What possibilities exist to edit metadata in QGIS? I did only find the plugin Metatools which is experimental and did not work for me.
1
vote
1answer
19 views

How do I create a local web GIS server using Node.js?

This is a question related to my other question OpenLayers/jQuery without CDN?. I was looking to copy a minimal set of files on js/css files to replace online CDNs, so that I can run a test server on ...
3
votes
3answers
134 views

Create fishnet grid in QGIS

Anybody have recommendations for creating a fishnet shapefile using QGIS? The equivalent task of "Create Fishnet" in ArcGIS.

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