3
votes
0answers
26 views

Review Edited Layers Before Saving

In Arcmap, there a plugin/addon available that will list the layers that have been edited when the "Save Edits" dialog pops up? Sometimes I get nervous that I might have deleted from a layer that I ...
3
votes
0answers
35 views

Cokriging using categorical covariables in ArcMap?

I am using cokriging to model a continuous variable across my study unit (soil carbon). I have one continuous covariable (soil moisture) but also a categorical covariable (vegetation community). I am ...
3
votes
0answers
32 views

Output formats for QGIS Heatmap plugin not appearing in drop-drown in Ubuntu

I've been trying to use the heatmap plugin on QGIS (2.8.2) on Ubuntu(14.04) but the drop down for the output formats doesn't get populated. Selecting the drop-down allows me to press OK on the plugin ...
3
votes
0answers
21 views

Programatically export map clusters in QGIS

I'm trying to export each microcluster of a large map into a composed map that shows the ff on an A4 sheet: 1) Cluster/grid box of the map 2) Larger index map with the pertinent region highlighted ...
3
votes
0answers
101 views

Is it possible to create Isochrones in QGIS GUI?

I'm new to QGIS and have tried to create isochrones around points for quite some time. Is there any option to create isochrones on the GUI in QGIS? I know how to create them using pgAdmin (using eg ...
3
votes
0answers
109 views

How does gdal_calc numpy operators work?

Gdal_calc manual Gdal_calc is introduced as : gdal_calc.py - Command line raster calculator with numpy syntax gdal_calc.py [-A <filename>] [--A_band] [-B...-Z filename] [other_options] ...
3
votes
0answers
90 views

Update ArcGIS Online with FME

I am having problems trying to write ArcGIS Online Feature Service in update mode. Our process is very simple. We published data from Oracle SDE to ArcGIS Online Feature Service with ArcMap. The ...
3
votes
0answers
52 views

Set picture marker symbol for a layer with arcpy (ArcGIS)

I have an ArcGIS map document with one layer symbolized with Categories > Unique values. I want to update symbology for this layer by specifying a path to a picture marker symbol for every unique ...
3
votes
0answers
105 views

Items (scripts) in custom toolbar are not working

I created custom toolbar in my working mxd and added few menus to it: Using customize dialog I added some system and my own tools (scripts) to it: It worked great for last two months or so, ...
3
votes
0answers
46 views

Using Boolean like Domains?

When needing to represent True / False or Yes / No which of the following examples is better from a geodatabase design point of view? Our database architect hates the option on the right but when ...
3
votes
0answers
51 views

How to offset polyline geometries (not symbology) using QGIS?

I have a polyline layer which has a road network digitized, up the center, in both directions however the polyline are sat "one on top of the other". I can display the lines separately by ...
3
votes
0answers
56 views

How to make a virtual field function use the same Ellipsoid settings as the normal field calculator?

I have a new shapefile layer in CRS 3857, in a project that has the same CRS. Under project properties, the measure tool is on ellipsoid WGS 84. When i use the field calculator to create a new field ...
3
votes
0answers
56 views

Segmentation fault in SAGA GIS

When I try to launch SAGA GIS I get this error: "segmentation fault (core dumped)" How can I solve this problem? I am using Lubuntu 14.04 64-bit.
3
votes
0answers
51 views

Data format for offline apps on iPad?

For an iPAD application (based on WhirlyGlobe) we've two modes: offline and online. It's a meteorological application so each day around 1600 layers (worldwide) per day are created on the servers. ...
3
votes
0answers
92 views

Memory issue inserting a large dataset in GDB with ArcObjects

I am using the ArcObjects API for Java to load a very large dataset in a File Geodatabase in one feature class. The whole dataset I have to load is composed of 200 datasets of 30k polygons, and I ...
3
votes
0answers
92 views

Performance difference between focal statistics (ArcGIS) and neighbor (GRAS or QGIS)

I tested minimum, maximum, and average neighbor (circle radius = 161 pixel) using ArcGIS, GRASS and QGIS: ArcGIS (10.1): it takes only one minute GRASS (6.4.3): it takes 123 minutes for every output ...
3
votes
0answers
55 views

Is it possible to replicate an SDE geodatabase including the archive tables?

I have a database in one location which I would like to replicate to another using one-way replication. In testing we haven't been able to replicate the archive tables, which is unfortunate because we ...
3
votes
0answers
20 views

Cropping eudem with GDAL creates zig-zag terain

I have downloaded EUDEM (20Gb) from http://www.eea.europa.eu/data-and-maps/data/eu-dem#tab-original-data When I try to crop it by GDAL using: gdalwarp -dstalpha -of EHdr -crop_to_cutline -cutline ...
3
votes
0answers
76 views

Problem with Flow Direction in DEM

I have the following problem with Flow Direction Tool in my DEM and with such wrong calculated flow direction in the centre of DEM I am unable to delineate any watershed. What can I do?
3
votes
0answers
83 views

QGIS 2.8 PrintComposer, no coordinates shown

I tested under MacOS 10.10.3 and 10.9.5 now: In the QGIS v2.8 Print Composer I don´t get coordinates shown when I want to create a map sheet and activate "Draw coordinates". I can do all settings ...
3
votes
0answers
51 views

Adjacency matrix for polygons using Java

I am trying to create an adjacency matrix from a set of polygons. That is, I have a bunch of polygons and I want to identify which polygons have a common edge or "touch" each other. Once I find this ...
3
votes
0answers
31 views

Saving a calibrated route in QGIS for “future” use

Can a Calibrated Vector (after using LRS) be saved with M values, so that the file does not have to be calibrated every time is used? We're currently working on State road data, and it has many ...
3
votes
0answers
52 views

Is there any way to aggregate points within a certain distance of eachother into groups of X?

I know it's possible to aggregate points within a certain distance of eachother, but is it also possible to aggregate them into groups of e.g. 20? I'm fine with using most open source GIS software or ...
3
votes
0answers
168 views

Arcgis arcpy toolbox multiply files: error - module object has no attribute

I have a big .pyt script (python toolbox) and now i trying split it to many files (1 file - 1 tool). In single .pyt file everything works perfectly, but when file is splited i get this message: ...
3
votes
0answers
90 views

What is the best way to overhaul metadata to bring it up to ISO standards?

My company would like to perform a complete overhaul of their metadata. They would like to use the ISO standard. What is the best way to go about this? I have been researching and have done a lot of ...
3
votes
0answers
120 views

How to stop a PyQGIS script that has an infinite loop, using the keyboard?

So i wrote a script that does what i want over and over again using a "while True:" in a certain time interval (every 5 seconds using time.sleep(5)). So far so good BUT when i want to stop it i just ...
3
votes
0answers
41 views

Save edits before disconnecting users from enterprise geodatabase?

Is there any method that enables the Administrator to save the users edits before disconnecting them for an enterprise geodatabase. Because I am disconnecting users as shown in the screenshot, but ...
3
votes
0answers
203 views

ScriptError ArcToolbox, unable to work

This problem keeps occuring. Any function within the ArcToolbox gives this error message with different code. The message below comes from using the 'Hillshade' tool. I've updated my ArcGIS for ...
3
votes
0answers
52 views

Why different transformation behaviour ArcGIS Pro 2D/3D layers?

I am working with ArcGIS Pro and have noticed a strange difference between the co-ordinate transformation of 2D and 3D layers. Here are my transformation settings: I have the same layer ...
3
votes
0answers
76 views

PostGIS Recursive Query Based on Line Connectivity

I'm having difficulty with a query. I have a network of linestrings, each with a value in the n_type column. This can be one of a handful of options. I'd like to generate a new table that groups any ...
3
votes
0answers
106 views

Why does field calculator compute area in square meters?

I am using EPSG:102748, and have set my Settings/Option preferred measurement units to ft. My CRS is NAD_1983_StatePlane_Washington_North_FIPS_4601_Feet, and when I use the measure tool, it returns ...
3
votes
0answers
264 views

ArcGIS Mouse Cursor Stuck in Auto Pan / Continuous Zoom mode

When using ArcGIS while in layout mode, after a variable period of time having an open ArcGIS project, the mouse cursor will get stuck in "Auto-Pan" mode. No matter which tool I select from the ...
3
votes
0answers
129 views

Need a simple sample mapcache.xml file that works with mapserver

I have a functioning mapserver installation runing on Ubuntu 14.04 and it's working fine. However, I would like to up the performance by putting mapcache in front of it. I've installed mapcache, but ...
3
votes
0answers
35 views

How to display features only if labels are displayed?

In my maps there are several point layers, and each layer has a different labelling rule and priority. Sometime the point density is too high and the labelling engine is not displaying some labels, ...
3
votes
0answers
89 views

Classification of above ground LiDAR points in ArcMap

I recently used the LAS Dataset toolbar to classify a .lasd file. The process classified the majority of points as unassigned with the rest being ground points. The study area has many tall buildings ...
3
votes
0answers
65 views

QGIS algorithms do not work on copies of shapefiles?

I'm using QGIS 2.6.0. I'm trying to run various algorithms such as "SAGA/Shapes-points/remove duplicates" & "SAGA/Shapes-Grid/Add grid values to points" through the sextant toolbox. When I run ...
3
votes
0answers
305 views

Connect to QGIS 2.6 Python Plugin function via button on custom feature form

I am trying to connect to a QGIS 2.6 Python plugin function via a custom feature form button. On my feature form, I'm attempting to do a few things : enable the updateButton only if the ...
3
votes
0answers
84 views

ArcGIS Solar Radiation Tool - How is Local Solar Time/Local Time handled as input to the “within-day” time configuration?

I am scripting hourly interval runs of the Area Solar Radiation Tool, and need a hand understanding how to account for Local Solar Time (LST) versus Local Time (LT) within the tool. First off, I ...
3
votes
0answers
100 views

How to calculate areas in raster files

I got three files. The first is a shape file for country boundaries and the second and third are two raster files with the global land covers for 2005 and 2009. I'm thus encharged to calculate the ...
3
votes
0answers
71 views

Lining attributes up with features when creating shapefile using PyShp?

I used the Python Module Pyshp to select particular census blocks from the Census's shapefiles and package these into a single shapefile. However when I add this data into ArcMap and right click to ...
3
votes
0answers
84 views

Extract representative slope profiles from hillslope polygons

With the help of the Whitebox Geospatial Analysis Tools I was able to easily extract hillslopes from a river network in combination with a flow direction map. Now I would like to extract ...
3
votes
0answers
149 views

Excluding layers from GeoExt 2 Legend Panel

I'm trying to exclude some legend in GeoExt.panel.Legend. I've created a vector layer named 'City Extent' via a function but I want the legend to be removed in the list of legends in my legend panel. ...
3
votes
0answers
59 views

Create buffer based on polyline without line end caps and without dissolving the created polygons in QGis

I have a projected line layer (Shapefile) in QGIS. For every line segment I want to create a polygon without line end caps. The resulting polygone should not be dissolved to a single one. I tried ...
3
votes
0answers
56 views

Any way to speed up an append of data to SDE database while it is still versioned?

My group works on a database and about once a month I receive data that must be appended. This process has required me to reconcile and post all versions to default. I then pull down the database ...
3
votes
0answers
47 views

Subset two rasters with different extent and origin (and resolution) only where there are data in both in R

in R, I have two rasters with different extents and origins (and possibly even resolution). How to efficiently take the subset of each of them only where there are data in both of them? Here is a ...
3
votes
0answers
185 views

SAGA is not working within sextante (QGIS processing installed in Ubuntu)

Recently i decided to start working in Ubuntu (version 14.04). My first step was to add the ubuntugis-unestable repository, and then proceed to install SAGA, GRASS, OTB, QGIS and the bindings between ...
3
votes
0answers
57 views

point feature to raster with count of unique points

I am using ArcGIS 10.1 with Python 2.7 I have a point layer with thousands of points that each hold an id value of its owner. One owner can have multiple points, meaning that points can have the same ...
3
votes
0answers
56 views

GDALRasterizeGeometries doesn't burn correct Values

What I have is a vector shape file with a string field. What I've done is written a CSV file with the field ID, field_value and now I would like to rasterize the vector layer as a byte raster with the ...
3
votes
0answers
25 views

execute binary from grass shell?

I am new to grass and could really use some help with my problem. I am using hydrologic modeling software, and it include a grass program that I need to run from the grass shell. My question is, how ...
3
votes
0answers
26 views

Preparing data for semiovariogram analysis in ArcGIS with large sample sizes?

I am working on a statewide project to create surface water quality grids from point samples. In some instances, we have large sample sizes (n>50,000) which is problematic when creating ...

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