2
votes
0answers
3 views

Set NaN values to Transparent in Matlab 'geoshow' function?

I am trying to plot rainfall values in MATLAB using geoshow function. NaN values should be transparent in the map. However, the plot I am getting comes with dark blue color for NaN values. I have ...
1
vote
0answers
5 views

What is a suitable GIS software for applying business analysis using gravity model (Huff model)?

I have a GIS background though have bin in another field for 3 years. Recently I have bin joined to a project with an expansion goal inwhich I am expected to use gravity model like Huff model. I have ...
2
votes
0answers
7 views

Packing polygons without intersection and empty places

How can I pack polygons without empty places and intersections? Please tell me everything that might help me (API, algorithms, etc.) I'm using: USPS API to get carrier routes. dbscan.js to ...
1
vote
0answers
8 views

How to emulate 'Polygon Neighbors' tool in ArcGIS 10.0? [duplicate]

I'm using ArcGIS 10.0 SP5. Have a set of 4000 polygons (featureclass A) and I'd like to summarise the values of the polygons (featureclass B) which touch the boundaries of these polygons (ie. those ...
1
vote
0answers
7 views

Adding Single OGC WMS Layer in ArcGIS

Is it possible to add just a single layer from WMS service to a map in ArcGIS (Desktop/Portal)? As an example, I am looking at the Maritime Boundaries WMS Service from VLIZ: enter link description ...
1
vote
0answers
10 views

qgis web client zoom and center maps

I have a problem with " qgis web client" I can not find the option setting center of maps and change the zoom ?? I was looking at globaloptions but I managed to ; / Regards
1
vote
0answers
8 views

Bulk Converting Data Using FME

I am currently in the process of converting a large quantity of Ordnance Survey Vector Map Local data from .gz to Esri feature class within a file geodatabase. The process is working correctly but ...
2
votes
0answers
10 views

Error in In predict.gstat in R

I am trying to do kriging by gstat pcakge through R. Here is my Code: krg<-krige(var ~ 1,data,grid,model=vgm,nmax=30) But each time I recive this warning: 1: In predict.gstat(g, newdata = ...
2
votes
1answer
7 views

How to specify default value for Rotation in SLD?

Am using geotools to render a set of point features. I have SLD for styling point features. The SLD uses an expression to calculate Rotation value based on Angle attribute value of feature. The ...
1
vote
0answers
7 views

How to draw weighted voronoi polygons ( thiessen) from points in Qgis?

I have a shapefile of polygons which have an amount of population, I need to divide each of these polygons into small ones with nearly equal population. So I thought attributing points on each area ...
1
vote
0answers
9 views

Why is the QGIS 2.10 raster clip function not working correctly?

I am using QGIS 2.10 and everything seems to work just fine so far, except for the raster clipping function (Raster>Extraction>Clipper). I'm using a vector poligon as a mask layer, but after launching ...
0
votes
1answer
13 views

prevent osm to load tiles on zoom level > 19

layer_osm = new OpenLayers.Layer.OSM( "Simple OSM Map","",{ isBaseLayer : true, displayInLayerSwitcher : false, numZoomLevels: 26, }); I have several WFS and WMS Layers ...
0
votes
0answers
6 views

Can EasyLoader work with an Azure SQL database?

Can EasyLoader work with an Azure SQL database? I've created a valid ODBC DSN to the Azure SQL instance, but when I try and use the EasyLoader to create the "Map Catalog", I get an error "Failed to ...
1
vote
0answers
10 views

How to generate random points from classified raster layer?

I need to generate random points using a raster layer, which is classified into 5 classes of TPI (terrain position index). This should be a stratified random sampling design, with an equal amount of ...
1
vote
1answer
13 views

How I can reproject a wms service in openlayer3?

I was trying to reproject a wms service from EPSG:25830 to EPSG:3857, but it didn't work. I read that it is not possible to reproject a WMS, only a WFS, It is true? It is the code <!doctype ...
0
votes
0answers
16 views

Single-part from multi-part polygons in ArcGIS

I create a series of adjacent stripes (polygons 2Km width) in a single shapefile. I clipped the shapefile using an irregular shape (my AOI) and I want the stripes that are now discontinuous to become ...
1
vote
0answers
18 views

The connection was reset deploying geoserver.war in ubuntu

I have installed Tomcat 7 in Ubuntu and when I try to deploy geoserver.war I receive the error "The connection was reset" in Firefox and "402 Access Denied" in Chromium. How do I deploy ...
5
votes
1answer
135 views

Generalization algorithms

Does anyone have the proper codes for line simplification and smoothing algorithms which is good to implement instead of ArcGIS algorithms? For example any of these: Visvalingam–Whyatt ...
0
votes
0answers
4 views

How to get all list of places/location in google maps search api?

I am using google map place search api for searching the place/locations.and i am also getting output. But what i want to do is, that when i search any thing on map then i want all the list of ...
1
vote
1answer
21 views

How to convert a PostGIS geometry stored as text back into a geometry?

I have a geometry column stored as text e.g.: '010100002091080000000000804D624041000000C066735741' in PostgreSQL db with PostGIS. This for a point geometry with the EPSG:2193. How do I convert ...
3
votes
0answers
26 views

How write python code with QList class

I need write a interpolation script for QGIS. I want use TINInterpolation method from Interpolation plugin. I found class in API documentation but I don't know how write QList object with attributes ...
1
vote
0answers
7 views

How to update ArcGIS Server MapServer service without re-cache?

I published a cached map service with set of attributes. I need to add / remove published attributes, but I want to use old cache, because there was no change in the geometry. Is there a way how to ...
-3
votes
0answers
27 views

How to avoid google maps data to be “stolen”? [on hold]

I already know the solution to my "problem" doesn't exist but I'll try to ask for some suggestion just in case. I'm working on a site showing a list of some specific categories of places. I'll want to ...
0
votes
0answers
12 views

Load 3D models on globe or 2D map

I'm using ol3, ol3-cesium for creating 2D map & 3D globe. These things are getting used at backend 1) tinyows 2) map server 3) postgis Now I want load 3D models on my map and globe. Lots of ...
0
votes
0answers
9 views

How to Publish a shapefiles in GeoServer with same name without deleting it?

I want to publish multiple shapefile (more than 1000) daily(features in shapefile daily varies) in GeoServer using Curl with same name , workspace, stores, and without changing layer name too. Time ...
0
votes
1answer
19 views

Converting many kml files into one kmz and visualize them in GoogleEarth?

Is it possible one kmz file to have many kml files? If yes, how can I convert the kml files to a kmz in order to be able to show them in GoogleEarth? In case of one kml file, I read that its enough to ...
-2
votes
0answers
13 views

Post Processing Landsat Images [on hold]

Please how can one edit the Landsat images clearing the dark parts and combining the images into one?
1
vote
1answer
36 views

How can rewrite this query for using with commonly used lat-long values

I have this query to get the nearest road vertices from a bus stop point. Ho can a re-write this query to pass commonly used lat-long values like in google maps instead of 715127 957625 SELECT * ...
0
votes
0answers
16 views

Using OTB in QGIS

I have been tasked to digitize our plantation blocks planted with pineapple from a UAV image with a resoultion of 5.3cm/pixel. These blocks are somewhat oblong in shape and are about 0.8 ...
1
vote
0answers
10 views

Creating Proj4 string for local coordinates

I am fairly new to coordinate system conversion, so am rather lost on the following problem. We have been using Proj4 to convert between various coordinate systems which is fine for known coordinate ...
1
vote
1answer
14 views

R: Krovak projection in R - identical in ArcGIS, different in R?

I have two files: shapefile and raster, both in the same coordinate system in ArcGIS: EPSG 5514. Check information on projection in ArcGIS for raster: S-JTSK_Krovak_East_North WKID: 5514 Authority: ...
3
votes
1answer
67 views

PostGIS - Linestring doesn't contain a Point - Problem

I have a problem to check if a Linestring contains a Point. I consider the straight line y = 0.1 x , and take by it a segment l='Linestring( 0 0 , 4 0.4 )' and a Point p on segment l, p = 'Point(1.5 ...
1
vote
0answers
6 views

Automating the Road Graph “shortest path” plugin in QGIS to batch compute routes

Is anyone aware of how to automate the Road Graph "Shortest Path" plugin in QGIS, calculating multiple routes from multiple origins to multiple destinations, using two point files and road network, ...
3
votes
0answers
22 views

How do I rotate a coordinate system (ArcGIS/GDAL driver)?

I am trying to get oblique tiles into a mosaic dataset. The tiling scheme works perfectly well for vertical and north imagery (using google tiling scheme) through the GDAL driver, however I am ...
0
votes
0answers
14 views

PyQGIS + Django Web Server — Not Working the Second Time Code Is Run

We are trying to create a standalone application on our local Django web server that uses PyQGIS to generate a series of maps based on a user's input. The user enters parameters on a web form and and ...
0
votes
0answers
14 views

Where can one get geojson for world mountains, rivers, falls? [on hold]

I have already checked geojson files on http://www.naturalearthdata.com/ and they do not contain everything for earth features such as mountains, rivers, falls, volcanos across the world. But there ...
1
vote
1answer
30 views

Get points from polygons with extreme angles

I intend to remove points from a polygons with extreme angles like the image link Get the points Remove from linestring Edited: I make my buffer like this... SELECT ...
-2
votes
1answer
14 views

Converting multiple sequential images into GIF or AVI [on hold]

I have 400 images of water level variation as per the time. In the folder it look like this one. How to animate each image sequentially into a GIF or AVI? I would like to have 2 seconds for each ...
1
vote
0answers
28 views

Measuring Volumes using DEMs

I've done quite a bit of research here and elsewhere and am still having trouble coming up with a solution for measuring volumes using a DEM derived from high-resolution (1 m) stereo satellite ...
-3
votes
0answers
23 views

Help with definition query [on hold]

I have a layer of 5ft contour lines, and it includes a field called "Elevation" that has the elevation of that particular line in feet, (ex: 1555, 1560, 1565 etc.). I want to only show lines for every ...
-3
votes
0answers
12 views

Layers Labeled “Override” in Printed PDF Legend

I have a Javascript function that creates a GraphicsLayer, adds some features to it, and then adds the layer to my ArcGIS Web Map. When I use the Print Widget to print my map I see the layer show up ...
4
votes
1answer
38 views

How to create points along a line according to attribute data in QGIS?

I would like to create equidistant points along lines in QGIS, but each of my lines have an attribute of how many points should be on them in a column called "piece" and these values are different in ...
-3
votes
0answers
19 views

Google Maps Streetview is now broken - even in the Google documentation sample [on hold]

Someone else reported this issue (as in title), and I tried to comment on that but it wouldn't let me. It's not just Tamas' code that doesn't work, it's now broken on two of my sites that use it, ...
2
votes
0answers
8 views

Time enabled layers over different years (varying intervals)

I am trying to show land use change over several years. Each layer (there are 12 of them) is time enabled with a year, however, the intervals are not consistent. For example, I have 1966, 1971, 1976, ...
1
vote
0answers
18 views

Spatial AND temporal join between two point data sets

I was hoping I could get some pointers in how to approach this issue, which is tricky version of a spatial join. I have been searching and I can't find a particular solution to what I need. I have ...
3
votes
0answers
10 views

Symbolize a layer based on it's related table (1:M relationship class)

I have a layer of polygons joined by a relationship class to a table by Field = DistrictIDNumber The Table has multiple entries for each polygon so it is a one to many relationship. Is there any way ...
0
votes
1answer
7 views

Cartodb - clone table from another user

Is there a way to clone a table from another user? The only way I see is exporting the dataset and importing again into your own account. This would be a nice feature for teaching, i.e., a simple ...
4
votes
1answer
36 views

Detect cattle on high resolution satellite images

I have no deep experience in remote sensing. I would like to know if it might be feasible to detect cattle (i.e. a single cow or bull) from a high resolution satellite image e.g. Worldview 3 with a ...
-3
votes
0answers
42 views

Cannot get correct result for output [on hold]

The attached is my Code and explanation of what I need to do. I need to add more extra function for this and get my final output result. Here is the code and explanation. Example: GDB has [A,B,C,D] - ...
0
votes
0answers
12 views

Using Bootstrap Glyphicons as markers for vector layer in Openlayers3

I want to use the bootstrap glyphicon set as markers for a kml layer in an application using openlayers 3. I have tried the following: var shopStyle = new ol.style.Style({ image: new ...

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