2
votes
2answers
277 views

How can i use python QGis network analysis library to calculate short path based on speed and distance?

I want to calculate and show short path from starting point to an end point in a qgis python plugin. in my research i stopped by an article about QGis network analysis library; ...
0
votes
0answers
1 view

Developping a spatial health dashboard with open source

Witch open source solution should i use to developp a spatial dashboard ? i'm not asking about geoBI solutions because i have to develop it with a webmapping architecture .
0
votes
0answers
2 views

Grouping Analysis (Clustering) of polygons with streets as borders in ArcGIS?

I have a question about the Grouping Analysis Tool in ArcGIS. Is it possible to use streets as spatial borders for the groups? I want to group a city district with multiple attributes, like the ...
0
votes
0answers
2 views

File Geodatabase coded domain not recogized by ArcGIS Online?

I created a File GDB and set up a domain, and the domain was assigned to a field in a feature class. The domain behaves as expected on ArcGIS Desktop (dropdown list when editing the content of that ...
3
votes
2answers
141 views

How to avoid pop-up when having multiple hyperlink layers in ArcGIS

In ArcMap 10.0, I have a layer of country polygons and a layer of city points. Both layers have a hyperlink setup, and it all works as expected. The only drawback is that when I select a city, it ...
0
votes
1answer
20 views

How to setup GDAL setting for python using OSGEO4W?

I have installed OSGEO4W installer. In that I have installed Express Desktop install option. QGIS GDAL uDig and GRASS GIS were installed in C:/OSGEO4W64. I have added 'C:/OSGEO4W64/bin' in the path. ...
0
votes
1answer
25 views

QGIS processing script: Move points by specified distance and add segment

I try to move points (they come as WGS84, but I'm not sure if it works with unprojected CRS) by a specified distance and connect original and new point with a line segment with the below script, but ...
0
votes
0answers
7 views

How to calculate probability of binary outputs of n iterations without saving each individual layer?

I am trying to calculate mean raster of n runs in model builder each run creates a binary raster which represnt whether a flood got to a pixel or not i want to calculate the probability for flood in ...
0
votes
0answers
7 views

Calculate the time between two processes [on hold]

I need to calculate the time between 2 processes. I found a few things but they don't work: time.locationtime(time.time()), time.time() I can make start time which is ok. I can make end time which ...
0
votes
3answers
317 views

Import DEM into PostGIS for QGIS

I'm a complete GIS newbie so sorry if I'm using the wrong terminology in searching for a solution to this... I'm trying to import a DEM into PostGIS and display it in QGIS. The data is from the EU-DEM ...
1
vote
2answers
27 views

How to overlay a Lat/Long CSV and NAD83 Shapefile in QGIS?

For reference I am new (as in a few hours of messing around) to GIS. I have a shape file/accompany projection files ect: CURRENT.prj CURRENT.shx CURRENT.shp CURRENT.dbf CURRENT.sbx CURRENT.sbn I ...
3
votes
3answers
251 views

How to install everything “geo” in Ubuntu?

I am new to ubuntu SAUCY and I must confess the transition from windows has not been really easy for me. on windows everything seems pretty much straight forward but I am getting frustrated because It ...
0
votes
0answers
7 views

Is there a way to overlay a remote kmz file in google maps

I have a kmz file and want to overlay it on google maps. What I'm searching for is sth. like: https://www.google.de/maps?kmz=server/tour.kmz I've already checked the query params for google maps, but ...
1
vote
0answers
5 views

Wikimapia export all geoglyphs category in an area

I am creating a page with all geoglyphs in Peru. I am looking to download from different areas and upload to google maps, thus I need a kml file. Wikimapia seems to have quite a bit of these and I ...
2
votes
2answers
328 views

Python problem visualization .tif image

I am trying to read a hyperspectral image in Uint16 .tif format and visualize it. I use GDAL in Python to read the data and everything works perfectly when I use matplotlib to show one band of the ...
0
votes
3answers
155 views

SPOT NDVI resolution

I downloaded SPOT S10 NDVI data which is supposed to be 1km spatial resolution. When I open the images in ArcMap the resolution is definitely not 1km and the NDVI values seems to be inverted with ...
0
votes
0answers
5 views

What is “gps on demand time injection”

Android defineds a GPS device capability I couldn't find reference to It's defined as GPS_CAPABILITY_ON_DEMAND_TIME in gps.h The description in the comment explains: GPS on demand time injection. ...
0
votes
0answers
8 views

Import ArcGIS feature class to IDRISI

I have created several feature classes in ArcGIS and organised them in a number of File Geodatabases. I am now thinking of migrating to IDRISI. Anyway, I need to get at least my feature classes ...
0
votes
1answer
24 views

How to load a raster layer using PyQGIS?

I need to load a raster file from the provided file path. I wish to use it further in the Raster Calculator. I wrote a function which converts string (I assume it is a file path) to a raster object. ...
0
votes
0answers
8 views

Track administrative changes with QGIS

I use QGIS. I have two shape files with the administrative boundaries in two differnet years. These boundaries have changed: some wards (smallest administrative area) remain the same, some are newly ...
3
votes
1answer
248 views

How to clip a Oracle query layer directly in a Python script?

I have a query layer directly running from ORACLE database in a MXD. I want to clip this layer with a layer being created in another MXD in a Python based tool. My question is to do this clip ...
1
vote
1answer
43 views

Convert coordinates to differnt Spatial Reference System in Python

I am trying to convert co-ordinates (-33.75, 150) from epsg:3857 to epsg:28356 in Python. Using both of the examples in post How to convert projected coordinates to lat/lon using Python?, I get the ...
1
vote
2answers
116 views

Copy Jp2000 from Mosiac Dataset turns white

I am trying to copy a raster to jp2000 from another File Geodatabase that I created as a Mosaic Dataset. It came out as a whiteout in the middle. I don't know what it cause this. See screenshot : ...
0
votes
0answers
10 views

Using ArcPy update cursor to update overlapping feature values?

I have a Geodatabase in ArcGIS 10.2 and would like to update the blank values in the 'Soils' field from the 'Landuse' Feature Class in the 'soils' Feature Class where the 'SoilType' falls within ...
1
vote
1answer
13 views

Unable to execute a python script that was exported from ModelBuilder

I have a model that copies a single F.C form SDE geodatabase to a scratch geodatabase then copies it back with a new name to the same SDE geodatabase again. And this works perfectly form the model. ...
2
votes
5answers
687 views

Why are Character Marker Symbol Dialog not showing up in the Symbol Property Editor dialog?

I just installed ArcGIS 10.2.1 on a brand new machine and for some reason Character Marker Symbols are not loading into the Symbol Property Editor. Is anyone experiencing the same issue? Is there a ...
2
votes
1answer
129 views

ENVI raster file with nodata change to 0

I have a geotiff that I converted to a ENVI raster file with the following command: gdal_translate -of ENVI srtm_05_08.tif data.bil The geotiff has water values supposedly set to nodata. I am ...
8
votes
3answers
1k views

How to get full path of layer selected in drop-down box for ArcGIS Python tool

I have a Python script-based tool in ArcGIS. One of the parameters for the tool is an input raster file, which I've set (using the properties of the tool within the toolbox) to be a Raster Layer. This ...
-2
votes
0answers
12 views

Free Map Hosting Option, for MapServer, OpenLayer Web GIS [on hold]

I need free web hosting for my WEB GIS project. I create it with MapServer, Open Layer and PostgreSgl for database. Can You tell me some option ?
0
votes
0answers
6 views

How to project WGS84 to Kertau RSO in ArcGIS Android

How do I make a conversion from WGS84 (longitude, latitude) to Kertau RSO using ArcGIS Android? I looking into this for my project. Am I looking at the correct direction? ...
0
votes
0answers
27 views

Trouble interpreting zonal statistics as table output

Consider this a follow-up to this question. I transformed a census block group vector map (decided to use this instead of census tracts) into a raster map and generated a kernel density map using ...
3
votes
2answers
403 views

WMS layers don't draw in QGIS or ArcMap but do in OpenLayers

WMS Map was published by myself in AutoDesk Infrastructure Map Server 2013. I can connect and load detials (properties / metadata) in QGIS Browser, ArcCatelog. I can load the wms into QGIS desktop and ...
0
votes
0answers
3 views

Protected general and admin settings in GeoODK app

I was wondering how to prevent the user to change the general and admin settings of the GeoODK (android-collect)? I mean to be protected with a password, for example. I've tried to go to settings > ...
0
votes
0answers
14 views

ArcMAP Index Grid, feature list

I am creating a simple map of state owned lands in my County. I want to use a lookup table that I can use to list a number of attributes and associate with the FID between features on the map and the ...
0
votes
0answers
22 views

IR/R could not detect when using landsat 8 in ERDAS 2014 Is there a alternative way around?

I'm using ERDAS 2014 and I upgraded from ERDAS 2013. I am doing a lot of band indices for various kinds of such as clay, ferrous, Mineral composite and so on.. from landsat 8. Using the indices in ...
0
votes
0answers
18 views

How to convert dc to shp with free software?

Someone can tell me how to convert data from a .dc file (DesignCAD file) to a shp file or postgresql with free softwares? I can do that easily with all versions of dxf or dwg files but not with dc.
0
votes
0answers
14 views

Failed to create feature dataset error

I am trying to create a feature dataset in a FILEGDB to create topology rules. However when I try to create a dataset it gives me this error. Failed to create the feature dataset. FDO error: ...
1
vote
1answer
117 views

How to generate random points with minimum distances between points in multiple polygons

I am looking to create random points for a random stratified survey. There are three different categories being surveyed; for each, I have a single shapefile, each containing a number of polygons. I ...
8
votes
2answers
2k views

Transform bookmarks to data driven pages in ArcGIS Desktop?

We have this large project in ArcGIS with 30 maps with different extents using Bookmarks to pan between these maps/pages. Now we would like to use Data driven pages instead. The question is, is it ...
2
votes
1answer
1k views

How to automatically export multiple maps with quantile symbology in ArcGIS Desktop?

I am a relatively new ArcGIS user and I have a question about automating a tedious join/symbology classification/export operation. I have a very simple shapefile to which I join a bunch of fields. I ...
5
votes
6answers
8k views

ArcObjects - Create and Draw a Transparent Polygon

I'm trying to create a transparent Polygon in ArcMap; however, it's never transparent. Here's the code I have. // Create polygon IPolygon polygon = new PolygonClass(); // create & add ...
1
vote
1answer
45 views

How to create dissolved buffers in QGIS with PostgreSQL/PostGIS?

Creating a dynamic buffer in QGIS I use the following query: CREATE VIEW buffer40units AS SELECT gid, st_buffer(geom,40)::geometry(polygon, 31492) AS geom FROM point; Now I want to dissolve ...
7
votes
1answer
93 views

Remote sensing for Nepal Earthquake [on hold]

To any experts who can provide remote sensing data that can help assess impact and damage of nepal earthquake we really need your help to ensure aid is well targeted. Existing data so far is here If ...
2
votes
2answers
282 views

Weird File Path Returning from Print Statement Causing ERROR 000732

I have created a python script in ArcGIS 10.1. My first parameter type is a 'Feature Layer' set to as a multivalue input. I was running my script quite well off of data from one of my drives (my ...
0
votes
0answers
82 views

ArcGIS Geoprocessing Service Error 000732

I just published a python script as a geoprocessing service without problems. The script works on desktop perfectly. Now i wanted to run the geoprocessing service and i get this error. It says ...
0
votes
2answers
222 views

What causes ERROR 000732 from MosaicToNewRaster?

I'm trying to run the MosaicToNewRaster tool as part of a python script. This is my code: input_rasters = arcpy.GetParameterAsText(5), arcpy.GetParameterAsText(6), arcpy.GetParameterAsText(7), ...
1
vote
1answer
15 views

Using layer file to apply symbology to shapefile with ArcPy?

I have code that doesn't work at the moment: # Import arcpy module import arcpy # Script arguments Input = arcpy.GetParameterAsText(0) if Input == '#' or not Input: Input = "frame" # provide a ...
0
votes
0answers
28 views

Intermediate files disappear in ArcGIS 10.1

I am working with ArcGIS 10.1 creating some slope and aspect files. I do this: DEM_park = ExtractByMask(mosaic_name, park_area) and it creates the DEM_park file in a default gdb with a default ...
2
votes
1answer
144 views

Accessing CRS info with pyqgis in a standalone application

I'm currently having trouble accessing and defining CRS information in a standalone application. I've read the API documentation and have tried it in the python console in QGIS 2.2.0. The python ...
0
votes
1answer
24 views

Displaying KML data with a user selection

I want to web map some historical cyclones data which are now in KML files, file/year. So I want the user to select a year from a button and the KML files will be displayed on interactive map). I ...

15 30 50 per page