0
votes
1answer
53 views

How much a decimal degree is equal to in latitude 40N?

I would like to learn how much a decimal degree equals to 40N latitude as units of distance. I have this table (http://en.wikipedia.org/wiki/Decimal_degrees) in mind, but I am interested for the ...
1
vote
0answers
9 views

Coloring multilinestringzm M values in QGIS

I have output from a geophysical technique that produces X,Y,Z and scalar value for millions of points, which have been stitched together appropriately (by networkx if it matters) into ...
0
votes
2answers
2k views

How to create styled markers with custom marker tooltip

How to create custom markers and when mouseover on marker i need a tooltip can any one suggest me how to do these type of markers...i need markers like below image Thanks in advance
2
votes
1answer
37 views

Windows' Offline Files for GIS projects?

I'm about to start yet another project which will consume and produce several to tens of GB of data. For efficiency, performance, and source code control* I want to do everything on the local machine. ...
1
vote
1answer
16 views

How to add lables/etc with eia shapefiles in R?

I'm trying to create a map of US Shale basins and I'm very new to creating maps. I have downloaded the shapefiles form the eia. I have also, been able to created a basic map with the bases plotted ...
7
votes
2answers
134 views

Methodology for Hansen classification of Global Forest Watch?

I have just discovered amazing Hansen´s classification about forest loss and re-growth, available at http://www.globalforestwatch.org/, published in Science, 2013 as: Hansen, M. C., Potapov, P. V, ...
0
votes
0answers
13 views

BC Albers X Y to Google Map Long Lat

I have a big table (with more than 1000 rows) which contains point data with BC Albers X and Y values. I need to display this data on Google Maps but I have not my PC Laptop with me now to have access ...
1
vote
0answers
13 views

Problem loading tif into raster dataset in ArcSDE 10.2

I have over 1000 raster datasets I need to mosaic into ArcSDE 10.2. I can't use a mosaic dataset because the county I am working for wants to keep the files on an external HD, so the pointers won't ...
0
votes
1answer
145 views

Is snapping working when changing from NAD83(decimal degree) to NAD83 Zone UTM 11N(meters)?

I've used the following ESRI snippet to Convert the display extents in Pixels (at the current map scale) and then return out the map units. public System.Double ...
2
votes
0answers
27 views

QGIS on UHD screen

I've got a new laptop that came with a 4k UHD screen. The GUI on QGIS doesn't scale well making most of the menu elements too small to easily see. Is there a way to change the scale of the gui?
1
vote
1answer
15 views

Get Center of Geometry in OpenLayers 3

Given a Geometry object in OpenLayers 3. How would one go about getting its center? Older versions of OpenLayers provided a getCentroid method. There was also a getBounds workaround. But these appear ...
0
votes
2answers
46 views

Feature Class to Coverage arcpy

Not much info out there these days on coverages in PYTHON. I need to convert a feature class to a coverage but cannot find out how to do it in python. All I have found is ...
1
vote
2answers
41 views

How to use coverage tools in arcpy?

I have a process in which I need to use coverages. I can create the coverages just fine using FeatureClassToCoverage_conversion within arcpy but trying to union 2 coverages together does not work in ...
0
votes
1answer
43 views

gdal_grid performance issue — alternatives?

I use gdal_grid within a Python script, but for my large files the calculation time is enormous. Apparently this is a gdal_grid issue http://trac.osgeo.org/gdal/ticket/2411 Does anyone have an advice ...
1
vote
0answers
11 views

OpenLayers map with Nominatim lookup function not working

I am trying to create a simple map with a search function, my minimal example is here: http://jsfiddle.net/TimLucas/vbaupe30/4/ For some reason the coords transformation after the script has received ...
1
vote
0answers
9 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 ...
7
votes
3answers
4k views

Where is my attribute table in ArcGIS 10.1? It is not visible

I've just updated to ArcGIS 10.1 and when I go to open an attribute table, I can not see it anywhere. Where did it go and how can I retrieve it? I'm wondering if it is off my screen somewhere or if ...
1
vote
2answers
37 views

How can I release the lock file on a DBF after removing its join to a FeatureLayer using ArcObjects?

I found another post with two different answers on how to remove the join between a feature layer and a standalone table, but neither method successfully removes the lock file ...
0
votes
1answer
197 views

Pull pixmap image source from ui edit text in QT

I'm putting together a custom form for QGIS identify using Qt Designer. One attribute has a file name to the accompanying photo of the feature. I'd like to have the photo label in the form grab the ...
1
vote
1answer
18 views

Importing large number of shapefiles into feature class using ArcPy with column mapping?

I'd like to write an ArcPy script to import a large number of shapefiles into an EXISTING feature class. I also need to be able to perform column mappings as there may be different column names. I ...
1
vote
1answer
23 views

Drawing line features using fixed angles

I have been googling this but I don't think I am using the right terms to get what I am looking for. I work for a water/waste water utility and we have fittings that determine the angle a pipe turns ...
1
vote
1answer
105 views

Update Service config file with ArcIms java connector

We are using arcims java connector to create, update, delete services. it works fine for create and delete. However when we try to update the config file of service (ie : mxd file) the new mxd file is ...
1
vote
0answers
7 views

Converting GML to Geodatabase format by using Productivity Suite software

I am using ArcGIS desktop 10.2 version and would like to import MasterMap Integrated Transport Network from Digimap to ArcGIS, So I was following the steps: 1 Install Productivity Suites v 3.4.1 2 ...
0
votes
0answers
28 views

Georeferencing using corner coordinate

I have thousands of tiff files with meta file containing corner coordinates. All images coordinates are different as they represent different locations. How can I georeference all these files using ...
0
votes
0answers
2 views

how do I keep only highway roads and their nodes using osmfilter?

I am trying to filter a map from openstreetmaps using osmfilter to keep only highways (tag k) and the nodes that are at the extremes of these road segments. I have read many posts in different forums, ...
2
votes
1answer
33 views

GCS transformation

I have a shape POSGAR 1994, I tested several reprojections and I cannot delete a displacement of about 100 meters with google earth. These are the shape data: PROJCS["POSGAR_1994_Argentina_Zone_5", ...
2
votes
1answer
144 views

Cannot upgrade User Schema Geodatabase when Master Schema Geodatabase is at previous release?

I am getting this error when trying to upgrade ArcSDE from 10.0 to 10.1: Cannot upgrade a user schema geodatabase when the master schema geodatabase is at a previous release. The master ...
0
votes
1answer
21 views

How to Convert ISelectionSet to ITable

I Have code ISelectionSet pSelectionSet; layer = AxMapControl1.get_Layer(0); pFeatSel = (IFeatureSelection)layer pSelectionSet = pFeatSel.SelectionSet; ITable table = pSelectionSet as ...
1
vote
3answers
66 views

Difference between raster subsets as defined by another raster

I wish to determine whether there is a relationship between slope and the Corine land cover class pastures. i.e. whether areas defined as pasture have a different slope to non-pasture areas. I've ...
1
vote
1answer
11 views

Geoprocessing service fails if output paramter is empty

I have made a network isolation model that lets the user pick a point on the network to simulate a pipe 'failure'/section that needs to be isolated and finds all valves that need to be turned and ...
1
vote
1answer
180 views

import arcgisscripting gives ImportError: DLL load failed: %1 is not a valid Win32 application

i am trying to import arcgisscripting and getting following error. Traceback (most recent call last): File "<pyshell#0>", line 1, in <module> import arcgisscripting ImportError: DLL ...
1
vote
0answers
22 views

Convert mapinfo styles toward qgis styles

Up to now, I has worked with mapinfo. I have a big vector layer (points) with a complex symbology. For several days, I gave up mainfo for qgis. Is there a way to converting my mapinfo files (.tab) ...
3
votes
1answer
14 views

Define a circle extent using the circle tool - arcgis javascript api

I have the following script for drawing a circle and I want to limit the user to a predefined radius: $('#circle').click(function () { clearPreviousSearch(); ...
2
votes
1answer
302 views

gdal2tiles.py problem - creating mini tiles

I have a similar problem to the issue posted here (gdal2tiles problem). I have 80 GeoTIFFs (4000x4000) with EPSG:27700 projection embedded and TFW and PRJ files. These I have built into a virtual ...
0
votes
0answers
58 views

Cannot enable “Track Edits” on ArcGIS Online Feature Layer

I have a feature layer that is published to ArcGIS Online and being edited by users there. I am not able to enable "Track Edits" for this feature layer. Under the feature layer properties, when I ...
0
votes
0answers
15 views

Developing an iOS GPS App

I'm an experienced programmer looking to develop a GPS App with these constraints: I Need a turn by turn level of precision I Need to know if a street is one way or not I Want to calculate an ...
-1
votes
0answers
38 views

Making tool in arcmap by using modelbuilder or python

I am trying to making one tool by using python. For that I already make GUI. In that i have 5 inputs. These 5 inputs are feature layers(shape files). Now I make another option field. It is multiple ...
2
votes
0answers
30 views

Computing Shannon-Weiner biodiversity index using QGis

I wonder if anybody has some experience in calculating biodiversity index (such as Shannon-Weiner) using QGis. I am also interested for similar experiences using R scripts within QGis. The analysis ...
2
votes
2answers
20 views

How to make a list of ESRI GRID rasters in Python

Tipically, ESRI GRIDS are not defined by a file extension like for the .tif files, but they are stored in a info folder plus an extra folder corresponding to the name of the raster. Arcpy allows to ...
5
votes
2answers
527 views

FME - How to write all attributes when multiple source files have the same name?

I am using FME to write all the MapInfo TAB files in a directory and it's subdirectories to a File Geodatabase. I'm using dynamic readers and dynamic writers as I don't know the geometry or schema of ...
0
votes
0answers
8 views

How to delete a feature class from a GDB using ArcObjects for Java?

I've seen this solution which may works in ArcObjects for VB/.Net: How to overwrite a shapefile or feature class using arcobjects When I try to convert it into Java, I get a ClassCastException on ...
6
votes
5answers
3k views

Easy way to create a boundary polygon shapefile from a set of LAS files using ArcGIS 10?

I have a bunch of LAS file sets that I need to process. The current task at hand is to generate a "footprint" shapefile that contains polygons for each LAS tile. I am looking for a graceful way to ...
1
vote
0answers
30 views

Add field and number fields of different shape files

In my project I have 3 different shape files (shape1, shape2, shape3). All of them should get a new field (add field to attribute table). In this field I need to have a number (for shape1=1, shape2=2, ...
0
votes
1answer
31 views

How to join point and polygon layers but retain polygon geometry for choropleth in ArcMap? [on hold]

background: I tried to join a point layer and a polygon layer so that I could make a choropleth map of the attributes in the point layer but all I can get is a point map regardless of which layer I ...
3
votes
1answer
44 views

Making QGIS buttons and my Plugin button mutually exclusive

I've added a toolbar to the QGIS main window and I've added some checkable buttons to the toolbar. How can I make my checkable buttons untoggle QGIS default toolbars' checkable buttons? That is, ...
3
votes
1answer
62 views

Getting random values from geometryType() in a standalone PyQGIS script

I am asking this question based on the result I received from this earlier post. The following script only works if I set geometryType() == 3 as that is what is being printed out in the Python console ...
0
votes
1answer
438 views

KML file seems to load in Openlayers without error but doesn't show vectors

I'm trying to load a KML file into an Openlayers map. It seems to successfully run but I am not seeing anything show up on the map. Vectors should show up in an area of New Mexico if it's working ...
0
votes
0answers
20 views

Trouble with select by attribute on ArcSDE

I am having trouble with some extracts on a csv table on ArcSDE. Verifying my expression results in the following pop up: "The expression was verified successfully but no records were returned."
1
vote
1answer
36 views

How to get value and store it in a variable from a line edit or text edit in pyQT?

How to get value and store it in a variable (in main python plugin) from a line edit or text edit box that were created in QT designer ?
0
votes
1answer
31 views

How can I merge two lines in 2.6.1-Brighton?

When I try to merge two lines selecting them and using the Merge Tool in the Advanced Editing Menu I get an error which says that merging these lines would result in an incompatible geometry for this ...

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