0
votes
0answers
29 views

How to reshape a polygon with a hole in qgis automatically?

I am new to qgis and appreciate any help/advice. I have a polygon shp file and some of my polygons are within another polygon (again:they are on the same layer). So I want to split the big polygon ...
0
votes
0answers
20 views

Can styling be applied to a kml (from a shp) using ogr2ogr

Is it possible to generate a styled KML using ogr2ogr (ie pen width and colour?) I cannot seem to find anything in the ogr2ogr documentation. My code so far is; ogr2ogr.exe -f "KML" prow-kml.kml ...
0
votes
0answers
17 views

Using Esri grid format (*.adf) for raster calculation in QGIS?

I got problem with the ADF raster file. In fact I have a land use map in ADF file and I am trying to perform some raster calculation(from raster calculator) but its not working.I have also changed ...
2
votes
1answer
24 views

Export multiple FC's to cad in arcobjects C#

I am currently trying to export multiple feature classes to a single .dxf via the QuickExport function in the DataInteroperability extension. However this function only converts one FC to one .dxf, ...
1
vote
0answers
17 views

RuntimeError opening rasterio array in GDAL

I've opened a GeoTiff with rasterio: import rasterio with rasterio.open('Africa.tif') as src: transform = src.meta['transform'] array = src.read(1) array([[203, 203, 203, ..., 0, 0, ...
0
votes
0answers
21 views

Order a list of points to make a polygon with smooth outer border

I have a function that pulls some lat/longs from a Database and then I put those values in a polygon to see it's shape. The problem is they are so random in position and direction from each other that ...
2
votes
0answers
34 views

How can I use boolean value in QGIS style rule?

I'm trying to make a style based on rules, and I want to use a boolean field I have created for that. But I do the following: "field" like 'TRUE' "field" like TRUE "field" like 1 "field" like '1' ...
0
votes
1answer
32 views

select by location point in polygon with sql query

I have 2 tables table a this one a polygon layer with 10000 records table b this one a point layer with 600000 records in postgresql geodatabase i select a polygon feature with the query by input ...
0
votes
1answer
28 views

CartoDB choropleth + bubble visualization legend

I have been trying to display two values simultaneously i.e. one absolute value displayed by bubble size (as with layer wizard: bubble) and one relative value displayed by color (as with layer wizard: ...
0
votes
0answers
27 views

Collecting data [on hold]

I'm using qgis, i'd like to know if there's an app that i can install on a tablet for collecting data, and after by connecting the tablet on my computer in order to upload the data ?
0
votes
0answers
7 views

weighting scheme of gstat for fitting models to variograms

I use R and the gstat package to construct variograms of temperature, and I would like to ask If anyone knows what weighting scheme does the gstat package use to fit a model to the sample variogram?
1
vote
0answers
16 views

How to reduce wild swing in Cesium camera.flyTo?

Cesium's camera flyTo produces a pretty wild swing. Try it out by going here: http://cesiumjs.org/Cesium/Apps/Sandcastle/index.html?src=Cesium%20Widget.html&label=Showcases and paste in this ...
0
votes
0answers
11 views

Coordinates interpolation for video frame synchronization

I'm taking an aerial video with gps coordinates. Here's the problem: the video is x frame at second, and the gps module gives me coordinates every second. So I've the coordinate of the first frame for ...
1
vote
0answers
17 views

How to create map with graticule with geoserver

I wonder if it is possible to render maps with graticule like this one using geoserver, if not what kind of FOSS4G could do the task in server side.
4
votes
3answers
166 views

Which one is called inset map in this?

I am confused as to which one is technically the inset figure in the below map. I know an inset map is one which has more detail. But in this case which one is referred to as an inset map ...
0
votes
0answers
21 views

Creating raster depicting landcover/use change in ArcMap?

How would I create a conversion matrix in ArcMap 10.2.2 to display the changes between two rasters (Land Use Land Cover Maps)? I have produced Land Use Cover Change maps from temporal satellite ...
-1
votes
0answers
11 views

Omit certain cities [on hold]

Currently making a map for a school project and don't need all the minor cities on my screen at once. I can remove all of them, but I need some of those cities still as a reference point. Is there a ...
0
votes
2answers
33 views

Split multipart shapefile into separate shapefiles [on hold]

I have a multipart shapefile, which I would like to split into many individual shapefiles (by FID for example). Is there some way to do this in ArcGIS 10.x without using python?
0
votes
1answer
26 views

How to prevent Leaflet from loading tiles from server

I am currently developing a couple of solutions with LeafletJS and it frustrates me that my Firefox browser loads the tiles from the server (e.g. Stamen or OSM) and not from cache every time I reload ...
0
votes
0answers
21 views

Problems with using python script in ArcGIS for Server 10.1

I have a geo-processing model that works perfectly in ArcGIS desktop (10.1) and successfully publishes as a GP Task to ArcGIS Server (10.1). Once I try to execute the GP task (either through a widget ...
0
votes
0answers
7 views

POIs Gauss Boaga text vector

How can I modify this script to read from a text file values Gauss Boaga? var map; var lon =9.10; var lat =45.46; var zoom =10; function ...
0
votes
0answers
8 views

Add a parameter to all requests made by the ArcGIS iOS SDK

I am developing an app that uses ArcGIS iOS SDK. My requirement is that I want to pass a session token (Received from my backend along with Login response) to each and every service call the SDK ...
-3
votes
0answers
19 views

Aggregating raster pixels in coarser resolution

I am trying to aggregate 3 meters resolution land use map to coarser 30 meter resolution in QGIS or ArcMap.In fact I wanna make similar with Landsat MSS and TIR resolution.Could anyone please help me? ...
0
votes
1answer
20 views

Transforming takes long time with st_transform

I have two shape files contains considerably large data. I exported them to my geodatabase(using arccatolog), which takes 2 days. The problem is their srid must be changed. So i tried creating new ...
0
votes
0answers
7 views

Change font size of GeoExplorer! Customizing

Does anybody know that how I can Change font size of GeoExplorer? See this picture! Regards!
-2
votes
0answers
30 views

Problem during rasterization [on hold]

coastline<-readShapeSpatial(".shp") road<-readShapeSpatial(".shp") railway<-readShapeSpatial("") boik<-gBuffer(railway,width=50,byid=T) bodik<-gBuffer(road,width=50,byid=T) ...
0
votes
1answer
22 views

How to find the path after “cannot find module” message when I try to use grass tools in qgis [on hold]

I use mac and when I try to use grass modules in qgis (brighton) I get a "cannot find module" message.
0
votes
1answer
15 views

Does anyone know about a web client for GIS from the Vaadin framework?

Reviewing the universe of GIS tools on the Web, I see that several customers have already developed GIS on the Web, so the is no need to start from scratch. Now I have come across the Vaadin framework ...
0
votes
0answers
10 views

Two layers have different zoom level

I have added to my OpenLayers-based app two layers. A google maps layer and another WMS layer. physical = new OpenLayers.Layer.Google( "Physical View", {type: ...
0
votes
2answers
31 views

Generate a single shapefile from various intersection agreements

I have five vector files wherein I want to determine the spatial agreements among them using intersect. Here is my illustration. (Actually these are forest shapefiles from five different forest maps.) ...
0
votes
0answers
11 views

Labels not displaying correctly in the centroid of the polygon in GeoServer SLD

When creating labels using centroids of a polygon layer, I'm facing the problem that some of them are missing. Eg: Ok, I can make it reappear by using "maxDisplacement" vendor option, but, using ...
-1
votes
0answers
11 views

Developing GIS applications on Vaadin framework elements? [duplicate]

I'm a programmer with years of experience in the desktop environment and not in the web environment. I want to develop a GIS application in the web environment. Reviewing the universe of tools GIS see ...
0
votes
1answer
19 views

Trying to add a WMS layer to Openlayers 3 but not showing anything

I have started with Openlayers 3 recently and I need to add a layer from an own WMS. I have been trying this: map = new ol.Map({ target:'map', renderer:'canvas', layers: layer, view: ...
0
votes
1answer
11 views

Jagged line and markers when publish map on ArcGIS Server

We develop native app with Esri iOS SDK and Esri Android SDK using ArcGIS Server, when we publish our map using Server, road lines become jagged. So when using this road service in our app ...
0
votes
1answer
18 views

How to publish the Manage map server cache tile (Server) tool as an arcGis geoprocessing service?

I need to publish the Manage map server cache tile on the arcgis server as a geoprocessing service. As a result I will be able to update the tiles of a tiled service through a service call. I face ...
1
vote
2answers
34 views

Running the ogr2ogr utilities in a batch file. Problems with command project

I have made a batch file containing a list of two commands. The first (-clipsrc) works properly, but the second not (-s_srs EPSG:4326 -t_srs EPSG:3857). Could anyone tell me where is the fail?. This ...
0
votes
0answers
28 views

I am building QGIS 2.6.1 from source code on windows 7, 32 bit and after successfully building all projects I get this error

Couldn't load PyQGIS. Python support will be disabled. Traceback (most recent call last): File "", line 1, in ImportError: No module named qgis.core Python version: 2.7.4 (default, Apr ...
0
votes
0answers
9 views

fit polynomial function on spectral data

I want to fit a polynomial function (max. 3rd order) on each raster cell over all my spectral bands (Landsat 1-7) creating a new raster(stack) representing the coefficients. I got my data (including ...
0
votes
0answers
14 views

Converting SQLite db file into .kmz?

How to convert SQLite db (map data) into .kmz format. I am unable to connect already downloaded sqlite db file to Global Mapper application. I have downloaded these files on my android mobile.
-1
votes
1answer
26 views

correction contour line at point of intersection with water courses (“V” or “U” ) [on hold]

I have contour lines and the network of water courses draw manually with stations of photogrammetry , the problem that operators do not always manage to trace the curves shaped "V" or "U " has the ...
1
vote
0answers
7 views

Direction widget Arcgis JS Api not working correctly for my own network analyst service

I have been following example on this link: http://developers.arcgis.com/javascript/samples/widget_directions_basic/ for my own network analyst service. Though I have been getting correct routes ...
0
votes
0answers
12 views

Adding .CSV file

When I add my file to ArcGis SandBox it shows the data from CSV file to Layer . But when I try to Add it through ArcGis API For JavaScript it doesn't work.I'm working on localhost. Help!!! ...
0
votes
0answers
15 views

Can we get .tpk file for India (country) free?

I am working on an offline map routing feature. It is an Android application. My question is I need a .tpk file of India for offline routing. So can anybody tell me is this freely available or not?
1
vote
0answers
54 views

Python vs R for analzing spatial data [on hold]

I am relatively new to both the python and R programming languages, having a small amount of exposure to both. Which language has the edge when working with spatial data and when would you use R over ...
0
votes
0answers
9 views

Problem with schema synchronization using Import Replica Schema (Data Management)

I want to synchronize the schema of replica. The steps I am following is documented in ArcGIS Resources: Export the geodatabase_1 replica schema using Export Replica Schema (Data Management) tool. ...
0
votes
0answers
9 views

AddFeatures returned values …?

i try to add Features in a polygon vector layer. i'm using for example the following lines : fet.setGeometry(ft_com.geometry()) bool=pro.addFeatures([fet]) bool returns me True (i see the added ...
0
votes
0answers
18 views

Automated Viewshed in QGIS

I want to create a workflow with a QGIS script where I need a viewshed tool. There is a really cool viewshed plugin. Unfortunately I am not able to access it in the QGIS console. I also found out that ...
0
votes
0answers
9 views

Static link to latest QGIS version

I am trying to set up a local "mirror" of the latest version of QGIS using "Download station" in a Synology NAS. The intention is to provide the newest version of QGIS on a local network without ...
1
vote
2answers
20 views

Filter and display an ArcGis ImageServer service by an attribute in an Desktop Addin

What I am trying to achieve is to either filter an existing Arcgis imageserver service, or get the results of a query and display them. The reason I want to do this is that I have a huge mosaic ...
0
votes
1answer
19 views

CartoDB polygon data for postal codes in Spain

I have been testing CartoDB for a little while and I can't get maps by postal codes in Spain. The system says "no polygon data available for your selection". But then I see some maps for Spain ...

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