All Questions

0
votes
0answers
3 views

How do I compare and replace data using python?

Here is my problem, I have several datasets that get updated fairly frequently. They are currently loaded in an enterprise GDB but the updates come in file system folders as shapefiles. What I ...
1
vote
2answers
18 views

Calling QGIS from MacOS python

I would like to import qgis.core and utils from my own copy of python. I do have PYQT4 installed there. I'd be happy to add to my PYTHONPATH or sys.path.append in my code, where do the qgis modules ...
2
votes
1answer
191 views

How to make labels' size relative to the map in QGIS1.8?

I want to make my labels' size changed automatically with the scale of the map,so in the menu of "Layer labeling settings",I set the Text size" in map Unit".However,the labels in the selected layer ...
0
votes
0answers
4 views

Looking to fine the average slope within a polygon

I am using ArcGIS 10.2 and I have a high resolution DEM, 1.0m resolution, and I am looking to find the average slope and range of slopes within each of several hundred polygons. The slopes of ...
0
votes
0answers
3 views

Can't get Geoserver running on my comuter

I downloaded and installed Java SE Development Kit 7u71 and Apache Tomcat (since JDK7u71 contains JRK, so I didn't download Java SE Runtime Environment 7u71). No problem with Apache Tomcat. Then I ...
11
votes
9answers
7k views

Python GDAL package missing header file when installing via pip

I asked this question on Stack Overflow before I realised this site existed. As this site it more appropriate, I'll ask it here too. I'm trying to install gdal from pip pip install gdal inside a ...
0
votes
0answers
5 views

How to batch export to PMF using ArcGIS 10.2 and VB.Net

This is my first post, and was hoping I might be able to get some assistance. I have modified a code I found online to batch export a series of map documents (mxds) to ArcPublisher files (PMFs). I ...
0
votes
0answers
3 views

Array to Feature Class and XYZ to Table Issues

I am trying export vertices of a line to a point feature class using the code below. I am using ArcGIS 10.2.2 and do not have access to Spatial, 3D, or Network analyst. I used ET GeoWizards to export ...
2
votes
1answer
17 views

ArcPy: check in and out of Advanced/Standard concurrent license

Is it possible to check in and out of a concurrent license straight from ArcPy. For example, sometimes I need to use a buffer right or find duplicates. Both tools require ArcPy advanced or Standard. ...
1
vote
0answers
4 views

Synced CSV File Google Drive - Not Filling out Georeference field for visual

I Have a JS account on Cartodb with the sync option for data. I have created code to upload CSV file to Google Drive of all login activity of our Google Accounts for the last day. If I select this ...
0
votes
0answers
5 views

merging raster aerials in QGIS issue

I follow the instructions here very closely and yet every time QGIS gets caught in a loop. It takes a few small rasters totally less than 100mb and creates HUGE gb files and will not stop until ...
0
votes
1answer
15 views

Missing Plugins in QGIS 2.6

Do I need to re-install plugins after upgrading to 2.6? Not all the plugins I had on QGIS 2.4 appear on 2.6.
0
votes
1answer
937 views

OpenLayers create marker (feature with icon) from WKT

I have a point object WKT. Like this: POINT (25.04568 48.221548). Also I have an icon in my project folder. My goal is to show on a map an icon that represents a feature. Can it be just a normal ...
7
votes
1answer
111 views

Reprojecting elevation dataset for “tilted Earth”

I would like to create maps of a "tilted Earth", such as the following example where Australia is at the North Pole: http://i1048.photobucket.com/albums/s379/laskaris_mods/tilted_earth.jpg I can ...
0
votes
0answers
8 views

Intermittent multi-threading in Grass 7?

I have a script with runs GRASS 7 r.li.* commands through R with spgrass6 on Ubuntu 14.04/64 bits. I ran the script and was amazed at the speed at which it was running. So, I looked at the system ...
2
votes
1answer
58 views
+50

Cell declustering using open-source software

I want to perform cell declustering in a small point data set. I have 9 observation points and I want to find the size of the region of influence for an observation, and afterwards use that as ...
1
vote
1answer
52 views

Accessing geometry with SearchCursor in ArcPy

I'm trying to write a script that clips all feature classes in fcList by the successive rows of a clip feature. I'm using arcpy with ArcGIS 10.0 The problem is that I need to verify whether the ...
0
votes
0answers
5 views

how to generate the average wind speed raster from time series wind datasets (in Netcdf file form)

I download the wind speed information in netCDF form from the 2001 - 2013(i.e 1/1/2001, 1/2/2001, 1/3/2001............. 1/11/2013,1/12/2013) In NetCDF file the 1st row contains latitude , 1 st ...
0
votes
1answer
5 views

Aggregate table with dates and average geographic coordinates

When SOG is 0 Stops gets 1. When the next SOG is 0 then Stops gets 2 and like this consecutively. Now I want to group all the rows where SOG != 0. The trick is that I should have the following ...
2
votes
2answers
222 views

Conversion of Latitude/Longitude to different map projection

I have two m*n matrices coming from a WRF-ARW simulation: one exclusively with longitude values and one with only latitude values. For both matrices I know the originatin projection (lambert conic ...
1
vote
1answer
93 views

Why can I only see a default list of KML attributes in attribute table?

I converted a shapefile to kml using ogr2ogr. Glancing at the output, it looks correct -- it has a <Schema ...> and each <ExtendedData> references the schema (I uploaded a snippet here). ...
0
votes
0answers
6 views

Which version of sql server is suitable for connect with ArcGIS in organization?

Which version of sql server is suitable for connect with ArcGIS in organization? my windows is seven
2
votes
0answers
17 views

How to create my own basemap in ArcGIS from JPEG files?

I have my own *.jpg tiles. How to create basemap from it and publish as service via ArcGIS for server? I was trying to find my issue in documentation, but I didn't have success. It seems very easy for ...
0
votes
0answers
11 views

Create polygon with predefined size

I need to create a polygon (square) with a predefined size to place it anywhere in a map. The size is given in centimeter (size in cm * scale = size in real). Is that possible with postgis/qgis?
0
votes
0answers
5 views

QGIS 2.6. How to move labels with “easy label engine” tool

In fact I'm looking for an similar tool like "converting label to annotation" as you can find it in ArcGIS. The "easy custom labeling" Tool in QGIS seems to come close to the ArcGIS solution. However, ...
1
vote
1answer
10 views

Why are REST LOD (scales) different to the WMTS Capabilities XML

I have an internally published ArcGIS webmap. The Rest's Level Of Detail (LOD) reports a different number to the WMTS capabilities XML. I checked out a few public services, and found the exact same ...
2
votes
1answer
26 views

Get single layer in OpenLayers 3

I am doing an upgrade from OpenLayers 2 to Openlayers 3 and it seems to me that in OL3 there is no direct way to get a layer from map by its id. In OL2 it was like: map.getLayer(id) If we look in ...
0
votes
2answers
133 views

projection conversion from mercator to google maps format

Is this spTransform(Finland3, CRS("+proj=longlat +ellps=WGS84 +no_defs+ellps=WGS84 +towgs84=0,0,0 ")) the right way to project a shapefile with this projection coord. ref. : +proj=merc +lon_0=0 ...
2
votes
1answer
196 views

Creating curves using the Parcel Editor tool in ArcGIS 10.1

We are migrating parcel editing environments from AutoCAD to ArcGIS and I'm having trouble creating curves within a Parcel Fabric that are not tangent to lines. For example, what would be some ...
0
votes
0answers
8 views

How to create temporary tables in spatialite?

How do you create a temporary table with geometry column in spatialite? I have tried: CREATE TEMP TABLE rivers (code INTEGER, id INTEGER, name TEXT); Followed by: SELECT ...
0
votes
1answer
59 views

Sources for free vector meteorological data [closed]

Does anyone know where I can find freely distributed data: In vector format, e.g. shp file. Forming polygons, not lines or simple points. Representing any meteorological event or state: ...
1
vote
1answer
216 views

Floating point calculations in QGIS

How do I manage floating point calculations in QGIS? I have carried out 3 consecutive calculations on landsat bands. I end up with 32 bit floating point rasters on which I can't carry out a 4th ...
0
votes
0answers
17 views

Font styles problem

i have problems with Font Styles in qgis. I have created fonts symbols in my system but when i open the same qml in an other pc the fonts is rong. I try to export my symbols in xml but nothing. please ...
3
votes
1answer
100 views
+50

Misplaced Google Maps with OpenLayers plugin in QGIS?

I was using Google Maps with OpenLayers plugin in QGIS with my vector layer with projection EPSG:4326 with google map projection EPSG:3857 and "on the fly" transformation enabled. It was matching ...
0
votes
1answer
13 views

ArcGIS: Locate features along routes, line vs polygon

I want to use Locate Features along Routes to locate the polylines below: The routed feature is in red and I want to locate the green lines. I have buffered these but found it only locates the item ...
0
votes
4answers
24 views

How can I join all data of two raster datasets in ArcMap 10.2?

I have two raster datasets in ArcMap10.2. One is displaying rails and one that is displaying a 100m Buffer to both sides of it. My cellsize is 100x100m. What I want is to combine the rails AND the ...
0
votes
0answers
13 views

Points of interest

I am using OSM Bright carto template for rendering my own OpenStreetMap data. When I imported data with osm2pgsql I specified sytle openstreetmap-carto. Points of interest (amenities) are in ...
0
votes
0answers
11 views

Google Maps OpenLayer plugin not zooming in or panning

So recently I've noticed that the OpenLayer plugin for Google Maps (Google satellite, physical etc) is not allowing me to zoom into the specific area I require. Everytime I try and zoom it pans back ...
0
votes
0answers
13 views

Can I include polygons that lies across boundaries when using the clip tool?

I am trying to create a map consisting of two vector layers showing a country divided in districts and contaminated areas within the country. However, since i'm only interested in the contamination ...
1
vote
0answers
28 views

Buffer -over river line with 20m over

I want to make a buffer from the river line with only the points that have over 20 m (elevation) from river line. (I hope you understand:D). How can I do that? Here is the picture....I want only ...
0
votes
0answers
14 views

gdal_calc.py: produce median raster

I have one GeoTiff file with 3 bands. I want to produce a raster file computing pixel wise median value for the three raster bands. How can I do that? I tried as follows: gdal_calc.py -A infile ...
1
vote
1answer
799 views

Merge multiple feature datasets while maintaining shapefiles for respective point, line, and polygon files nested ArcGIS

I've been doing some digging and a few days of playing around with my data in ArcInfo but I haven't been able to find a solution to merging datasets, which consist of many different point, line, and ...
1
vote
0answers
9 views

ArcGIS 10.2.2 Mxdperfstat

I'm trying to test an mxd with mxdperfstat. I want to test several scales, but as soon as I provide a scale over 500, the program simply quits. No Error warning. It just stops working. If I provide ...
0
votes
0answers
15 views

shape file is not getting added on open layers web mapping application

I am trying to add a shape file which is already on IIS SERVER.it is returning the error code 0x805e0006. When I am trying to open this shape file url in browser it is not getting downloaded also.From ...
2
votes
1answer
54 views

Reordering Tables in ArcMap Layer List?

I'm trying to reorder the TABLES in my ArcMap layer list. I can't find a way to do it. I can reorder normal layers since they appear in the "List by Drawing Order" tab of the "Table of Contents". ...
1
vote
3answers
63 views

latitude and longitude coordinates into postal code with town names

Here is my problem. I have a csv file, with latitude and longitude coordinates. I would need to know the name of the French towns and the relevant postal codes that match these coordinates. My ...
0
votes
0answers
7 views

TIMESAT Land cover class

Is it possible to monitor phenology of only 2 land cover classes in TIMESAT? Example is corn and wheat for 7 years. Sowing structure of this crops changes every year, i.e. their location on an image ...
4
votes
1answer
151 views

How can I exclude a field on a table from being copied?

I have a query "layer": >>> r = arcpy.MakeQueryLayer_management(r'C:\path\to\connection\file\connection.sde', 'TEST', 'SELECT T.ID AS OBJECTID, T.* FROM MY_TABLE T WHERE T.SOME_COLUMN = 1', ...
0
votes
0answers
17 views

Assign CRS to shapefile in R

I imported my shapefile dat to R with readOGR, coordinates are given in easting and northing, I'd like to change it to latlon and tried: dat_latlon <- spTransform(dat, CRS("+proj=longlat ...
0
votes
0answers
6 views

Problem installing r.hydrodem with g.extension in GRASS 7.0.0svn (r61585M) on mac OSX 10.10.1

I'm very interested in using the function r.hydrodem in GRASS, unfortunately, I'm running into some problems when trying to install this add-on in GRASS 7. I've tried installing some other add-ons ...

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