0
votes
1answer
12 views

Uncaught TypeError: registry.forEach is not a function

I am trying to add two dojo buttons for polyline and rectangle on a map, and i have written loop for two buttons, but i am getting error :"Uncaught TypeError: registry.forEach is not a function" ...
1
vote
1answer
2k views

Creating MySQL database for storing imported KML?

I need to create a MySQL database for storing coordinates from a KML file with the structure as follows: <Placemark> <name>someplace</name> ...
5
votes
3answers
8k views

Geoserver/java out of heap space - how do I increase it?

I'm new to Geoserver, Ubuntu and Java, but have downloaded a virtual machine from gisvm.com and am getting up to speed. I got as far as configuring it with some fairly large shapefiles from a project ...
1
vote
0answers
23 views

Spatial Join - Field mapping to delete and rename fields

I have a python script where the user can enter a study area (Polygon shapefile) and multiple point Features of interest (Point shapefiles). The point shapefiles are looped through and joined with ...
1
vote
0answers
14 views

Geoserver WFS Layer in OL3 tilted and mirrored

I am using Geoserver (2.4.2) to display a WFS-Layer in Ol3 (3.13.0). I successfully used this example from a fellow user to get things going. Here is my modified code. I am sorry for not providing a ...
1
vote
1answer
15 views

Spatial join for multiple shapefiles (loop)

I have the following two datasets: - polygon shapefile containing administrative boundaries of a City - multiple point shapefiles What I want to do is to spatially join the point shapefiles with ...
0
votes
0answers
5 views

Grid parameter restriction of mpl_toolkits.basemap.maskoceans

I have plotted the image below with the use of matplotlib and mpl_toolkits.basemap. However I am not satisfied with the result. The image is still very blocky near the coast line. The grid parameter ...
0
votes
1answer
39 views

Geosearch Esri controls in leaflet

It is possible to disable the Geosearch Esri controls in leaflet after the first geocode search? When I run Chrome console and I select the search geocode icon this is the code: <input ...
1
vote
1answer
43 views

Average stationary position with GPS

Is it possible to average a stationary position with a GNSS (GPS, GLONASS...) with a centimeter accuracy without external corrections (like differential or RTK)? If so, how long does such averaging ...
3
votes
1answer
336 views

Geoserver installed but some components not working

I have installed Geoserver 2.6 on windows 7 32 bit os. Java version is 7. First: installed with installer.exe Second: installed tomcat8 and web archive I installed two way. But some components are ...
2
votes
2answers
56 views

AttributeError: 'Layer' object has no attribute 'listLayers'

I want to use the result of OD cost matrix for my further calculations. However, whne I try to extract the sublayer "lines" it returnes an error AttributeError: 'Layer' object has no attribute ...
1
vote
1answer
11 views

Creating composite band mosaic of sentinel 2 data with arcpy

I previously useda simple script that went through many Landsat satellite images, and for each folder it found it made a composite band raster. The script was as follows: import arcpy import os ...
1
vote
1answer
25 views

Is there a way to create a presence/absence matrix of polygons per cell in a grid using qGIS?

I'm working in QGIS with species distribution polygons and I want to know how many cells in a grid does the polygon overlap. I've tried creating random points within the polygon and then used ...
2
votes
0answers
7 views

In QGIS 2.12 processing R scripts fails (plots remain blank) due to a wrong variable name - Is there a workaround?

I am trying to execute r scripts in 2.12. All of them fail. Plots remain blank. It seems that the variable "Layer[[Field]]" returns NULL: E.g: hist(Layer[[Field]],main=paste("Histogram ...
1
vote
1answer
24 views

Is it possible to change the precision of a field in the attribute table in ArcMap? [duplicate]

Is it possible to change the precision of a field in the attribute table in ArcMap? I have a shapefile with X and y coordinates of pointlocations. I would like to change the precision. Is this ...
5
votes
4answers
433 views

Is there a way to close a geoprocessing operation when the dialog box has been hidden/pushed to the back of the window

Is there a way to close a geoprocessing operation when the dialog box has been hidden/pushed to the back of the windows? I ran a python process as VB Script and when the error message appeared I ...
2
votes
1answer
51 views

How to create a shapefile from xy in .csv file?

I find many difficult to create a new shapefile in a new project following those steps. I think the .csv file is correct (there are only: ID, X coord, Y coord) but when I would create the shapefile ...
6
votes
1answer
597 views

Grouping of layer with GeoServer and OpenLayers

I need help to display layers group/non group 1. with checkbox to select layer or group 2. icon/symbol for each layer. I saw example codes from OpenLayers where it's adding the layers statically. ...
1
vote
0answers
6 views

mod-tile: How to set up two independent tileservers?

Reading mod-tile and rendered documentation, especially the commented lines in the renderd.conf file, it seems to be possible, with the same renderd and mod-tile, to define two different style sheets ...
0
votes
0answers
10 views

Maximum Likelihood Classification in ENVI

can anyone help me? I am a new ENVI user and I am trying to perform a supervised classification of a Landsat 8 image with the maximum likelihood algorithm. In order to run the classification, I have ...
21
votes
8answers
2k views

How to generate a random but believable digital elevation model?

Is there a way to generate a DEM, programatically or otherwise (arcpy or R?), that will feed into ArcGIS for further spatial analysis? Perhaps this needs to be broken down into smaller incremental ...
0
votes
1answer
13 views

set up transport modes osrm

I wondered if anyone could help. I have setup osrm on a spare computer it is running on Ubuntu 14. It works fine and I can query it using the default car setting for transport. I would like to be able ...
0
votes
0answers
16 views

Calculate obstacle accountability area in QGIS

Still being new to the whole GIS world, I am trying to calculate a regulatory takeoff obstacle accountability area for a given runway. For my case, this is defined as an area as follows. At the start ...
4
votes
1answer
104 views

Difference Between Radiometric calibration and radiometric correction

I am new in remote sensing field. I sometimes got confused when I read about image pre-processing. Can someone please elaborate to me the difference and some example methods to do radiometric ...
1
vote
1answer
13 views

Port Number GeoServer to OpenLayers map

It is necessary to use port number like 8080. Is it not work with port number.
0
votes
1answer
190 views

grass - add on problem

I can't install the addon in grass 6.4.3 to my linux mint. i've already installed the SVN and than it says: GRASS 6.4.3 (fabian_idrisi):~ > g.extension r.fuzzy Fetching from GRASS-Addons SVN (be ...
0
votes
1answer
18 views

Developing android app for map interaction [on hold]

I'm looking for technologies for making android widget for which can computationally effective display large map. My question differs from analogues in that I seek for principal technologies (not ...
4
votes
1answer
67 views

New field names after joining 2 tables in QGIS

When joining two files (A.csv and B.shp with a common unique ID) in QGIS the new fields in B.shp (from A.txt) include the name of the field + the name of the file where it comes from (A). For example ...
2
votes
1answer
40 views

snapping line nodes to points

I have a dataset of manholes and pipes; I want to snap the lines start and end nodes to the manholes if they are within a specified distance. Been trying to find away to do this using PostGIS or QGIS ...
1
vote
2answers
23 views

Loading data in existing dataset in ArcGIS Online?

In ArcGIS online (AGOL), is it possible to load data (shapefile or geodatabase) into an existing layer? The map layer is shared and editable.
0
votes
1answer
34 views

R: count raster values using another raster as mask

I would like to count the frequency of values in one raster, using another raster (different resolution) as the zonal condition. The premise is that the coarser resolution raster represents the area ...
6
votes
1answer
56 views

Fast Select by location in FME?

I've got a large polygon feature class that covers the whole of GB and contains about 120k features. I need to do a spatial filter on this feature class in FME workbench. I've done this in Arc ...
2
votes
0answers
20 views

Problem with setting style for a specific layer

I'm trying to publish a layer using a geoserver rest library (geoserver manager), but nothing works. First I tried this piece of code: String srs = "EPSG:29193"; GSFeatureTypeEncoder feature = new ...
1
vote
2answers
33 views

How to turn a point layer into classified proportional circles in QGIS 2.12?

I'm trying to style a point layer representing cities around the Mediterranean following these two rules : The points should be represented as proportional circles, following a classification in 5 ...
0
votes
0answers
23 views

Halo shifting on text elements after exporting

I am experiencing a bug, where the halo around text labels is shifted (in a random direction) upon exporting to any file format at any dpi in ArcMap. I know this has been asked before and is a know ...
3
votes
2answers
2k views

Google Maps need to click twice to get marker click event to trigger

I have a google map that I am populating with real estate listings from a database. I have set it up to refresh the listings when the map is panned or zoomed. I am using the dragend & ...
2
votes
1answer
14 views

Having trouble overwriting raster layers default property sheet

I need to Override the Property Sheet Dialog to display a custom property sheet that has a custom GUI built to analyse raster data based on transformed values. Alternatively, if I can access the ...
1
vote
1answer
30 views

Looking for data on river flow speeds

I'm looking for sources containing data on measured river flow speeds, any / all locations worldwide, in any format or language. Googling didn't help much.
0
votes
1answer
37 views

Error in using gdal java binding

I am using the java binding of gdal to project a set of coordinate points from UTM to lat/log using the CoordinateTransformation Class of gdal. I have written the code as follows: ...
1
vote
0answers
11 views

Qgis slow on loading project

Is there any work around to mitigate the amount of time QGIS takes when loading projects that have large tables from postgis layers . I have tried to turn off this large layers so they are not in use ...
1
vote
1answer
59 views

How to calculate the average raster value for an area in ArcGIS?

I have Raster data for a country which has Evaporation Data in its pixels. I also have Vector layer which has the 30 cities of the country. What I need is the average Evaporation value of each city ...
0
votes
0answers
16 views

Calculating water flooding with raster calculator [Solved]

I have many layers so i will try and explain what all the layers are. What I want do is enter a calculation in raster calculator to calculate what areas of the map will be flooded if the water levels ...
2
votes
2answers
200 views

QGIS How to label individual sides of polygon

Using native QGIS layer property definitions, I have successfully labelled each polygon in my layer with its area and perimeter. Never satisfied, I now wish to label each side of each polygon with ...
1
vote
2answers
86 views

How to use rsgislib python binds in windows environment

I am right now would like to use rsgislib to create a simplify remote sensing image processing application based on python. However I have no idea about how to use rsgislib in windows. Perhaps ...
2
votes
2answers
79 views

Bulk conversion and import of OS MasterMap .gz files to .shp in ArcGIS Desktop

I have 91 .gz files procured from the Ordnance Survey and would like to import them all to ArcGIS as shapefiles. I know that the Quick Import tool in the Data Interoperabilty extension performs the ...
1
vote
1answer
36 views

Style file with QGIS

I created a very good symbol layout for a current map. I will be creating similar maps just different regions and want to keep the symbols and markers that way they are. The new data will have same ...
1
vote
0answers
15 views

geopandas spatial join: how to find problematic row?

I have an sjoin function from geopandas that is behaving erratically: it works on some version of the "points" geodataframe but not others. merged=sjoin(points,polygons, how='left',op='within') ...
1
vote
1answer
12 views

Converting Total RMS Error into meters

I'm wanting to georeference an old chart in the same manner described in a published article: "All charts were transformed to the British National Grid. The 1904 chart was georeferenced using nine ...
0
votes
0answers
16 views

QGIS How and where to save Vektorlayer for fastest access/performance

I am fairly new to working in Q-Gis in a local network, please tell me if I missed some information crucial to answering my question. I have a Vectorlayer containing 36000+ line Objects with a large ...
2
votes
0answers
24 views

OSM available data extract for addresses only?

Is there a dataextract available for all addresses without the street network? I would be interested in something like this: [streetNumber, street, postcode, city, county, state, country, lat, lon] ...

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