0
votes
1answer
7 views

How to georeference a map in UTM / WGS 84 (geographic) to WGS84 / UTM?

I have scanned UTM WGS 84 toposheets, with a geographic grid. I want to georeference them in WGS 84 / UTM (therefore with UTM coordinates). Should I: Calculate the UTM coordinates from the ...
0
votes
2answers
28 views

What is a term to describe a latitude OR longitude value but not both together?

I have a location of north 45 degrees, west 90 degrees. This is the coordinate of the point. What is each component of this coordinate called? I'm looking for a generic term to describe either ...
0
votes
0answers
10 views

Converting polyline data to polygons?

I am trying to convert some polyline coastline data into a polygon that I can use to trim back other data sets. There are some small gaps in the coastline data, which FeatureToPolygon struggles to ...
1
vote
1answer
10 views

Returning list of field names in joined table using ArcPy?

I need to look at all the fields in a joined table performed through arcpy. I am instigating for fields in arcpy.Listfields(Feature): print fields but it is returning a large list of: ...
0
votes
1answer
11 views

ArcGIS Javascript API AMD require syntax and Dojo ContentPane compatibility

I am trying to recreate the ArcGIS Javascript API/Dojo ContentPane layout template shown here for my own custom application. I would like to switch from using dojo.require() legacy syntax to using AMD ...
0
votes
1answer
10 views

Toggling Layers using CartoDB

Does anyone have ideas or know how one might be able to use CartoDB to create a map that one can toggle the individual features within a KML file, as currently happens on this map? I want my users ...
1
vote
0answers
17 views

Calculating Percentiles in ArcMap?

I have a large polygon dataset (26,000) records with numerous attributes columns. I wish to calculate the percentile rank of each attribute. Say I have population_density in an attribute, is there a ...
0
votes
0answers
18 views

Data dots aren't showing up (Cartodb)

If I connect to my campus network, the map is not showing any data dots. And from the screenshot you can see the error messages. If I use any other network, for example using my phone's hot spot ...
1
vote
1answer
9 views

Select by location are within source layer

So I am trying to select all of the block groups inside a group of counties. So I am using the select by location tool and setting my target layer as the block group and my source layer as my ...
0
votes
1answer
16 views

Finding all ways that are partly within a bounding box

I'm trying to write a query that will return all OSM ways which are contained within a bounding box of min/max gps coordinates. I get these cooridinates from the greater london bounding box on ...
0
votes
0answers
13 views

Enforcing unique values in field when editing in ArcMap?

I am working on a geodatabase. In some of my features, I would like to add a field, in which I will type the values on my own. On this field no duplicates must be allowed. In other words I want it to ...
0
votes
1answer
10 views

Converting SWEREF99TM coordinates to the “standard” coordinate system (longitude and latitude)

I recently asked a question about a coordinate system in a file, and found out that it used SWEREF99TM, but I can't figure out how to convert those coordinates to the "geographic coordinate system". ...
0
votes
2answers
18 views

Calculate mean elevation over a region

For the purposes of spatial interpolation, I have created a grid using "Create Fishnet" in ArcMap10.2 (I use the "label points", which have a spacing of 0,00833333 degrees). For every point (label ...
0
votes
0answers
5 views

Water utility editing rules

I am looking for some help related to editing water utilities in ArcMap. I understand that most water editing rules, and procedures are similar, and I am looking for any help with this. I will of ...
0
votes
0answers
7 views

Plotting an eia shapefile in google maps with R?

I'm trying to plot a eia shapefile onto google maps. I have a code working with the map funciton but can't get it to work with the ggmap function. Where am I going wrong? Working code: ...
0
votes
0answers
7 views

Base height information is lost when I create a Scene Package

I am using ArcScene 10.2.2 When I create a scene package, and then unpack it, I lose any base height information I have given to layers in the package, which I have draped over TINs. I get the Error ...
0
votes
0answers
18 views

Is it possible to insert Excel table with filter in ArcMap layout view?

Please see the image (https://apps.health.ny.gov/statistics/environmental/public_health_tracking/tracker/mapaction.map?activeTool=showIndicator&indicator=asthma). There are "Map display" and ...
1
vote
1answer
32 views

QGIS Google Maps Coordinate System

I have some Points in Shapefile with BC Albers Coordinate Syetem and I need to Project them to Google Maps Lat and Long. I tried to do this by using WGS 84 / Pseudo Mercator EPSG: 3857 and ...
0
votes
2answers
66 views

Renaming filenames to a standard filename format using Python

I am working within an ESRI ArcGIS environment. I have a folder full of .xyz files that are named to a specific old file format such as 2014516_MS_005.xyz I want to be able to loop through the whole ...
1
vote
1answer
18 views

is it possible to calculate one spatial difference (deviation) from Δx, Δy, Δz (wgs84) of coordinates?

Comparison of two gps receivers or methods(difference between reference and acquired coordinates of points) could be better expressed by one number. Is there an official formula?
1
vote
2answers
24 views

Getting number as parameter to use in SQL expression?

In my script I am using the Select tool (arcpy.Select_analysis) and in the SQL expression, I want to use a number that I call in as a parameter. I have trying to script it like: subsize = ...
1
vote
0answers
8 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 ...
1
vote
1answer
15 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 ...
0
votes
0answers
18 views

Is it possible to calculate area of polygons from GPS points without POSTGIS

I am new with GIS. Assume we use the UTM30N coordinate system. Is it possible to calculate an area (say a square box) by the 4 given points? (assume the points are in order, and the coordinates are ...
0
votes
0answers
15 views

Is there a way to change the orientation of all text labels at once?

I rotated my extent -45 degree to make it look better. Problem is all the labels that I converted to graphics so I could rearrange them are also at -45 degrees. Any way to change that easily?
0
votes
0answers
12 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 ...
1
vote
1answer
28 views

Does ST_Intersection work in 3D?

I am using "ST_Intersection" between two 3D lines which I believe do not intersect, but the result gives me their intersection. SELECT ST_ASText(ST_Intersection( ST_GeomFromText('LINESTRING( ...
2
votes
0answers
22 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
0answers
12 views

Slope, Topographic Wetness Index

I am working on a project that requires me to extract values from rasters (viz the slope and TWI) for a set of point dataset that I have. I tried calculating the Slope, Flow accumulation and the TWI ...
1
vote
0answers
18 views

How to do a flood simulation without flooding the whole area and covering surface structures (with DEM)?

I have a high resolution DEM and want to do a flood simulation starting at a river. My hope is that the water runs into historical (now dry) river channels (in which I'm interested in) at first and ...
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 ...
1
vote
1answer
13 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 ...
3
votes
1answer
14 views

Can GeoServer Mosaic extension footprints be something other than a shapefile?

According to the GeoServer documentation for the Image Mosaic extension... http://docs.geoserver.org/2.4.x/en/user/tutorials/imagemosaic_footprint/imagemosaic_footprint.html It asks for a shapefile ...
1
vote
0answers
8 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
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
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, ...
1
vote
0answers
18 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) ...
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 ...
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 ...
2
votes
0answers
28 views

Shapefiles from ArcGIS for Desktop to Google Maps API?

Can you add a large shapefile made in ArcGIS for Desktop to Google Maps? I have added it to ArcGis Online and it takes a long time to load. I need to buy credits to put the shapefile tiled to ArcGIS ...
1
vote
0answers
25 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, ...
2
votes
3answers
125 views

Why script works on my computer but not on another?

The script below works perfectly fine in my computer. But when running the script on another computer, I receive an error: Error: Algorithm not found The computer has similar specifications to ...
2
votes
1answer
36 views

Why my Shapefile is not loaded into OpenLayers?

This is my website for test: http://www.cv.nctu.edu.tw/shapefile-js-openlayers/ol_simple.html I want to put my Shapefile in OpenLayers. I found an example at ...
1
vote
1answer
31 views

Construction of a square grid from a given centre (lat,lon) and direction of the sides

Let us consider a point (longitude, latitude) on Earth (location). How to construct a square grid around this point (taking this point as the centre of the square or intercept of the two diagonals) ...
2
votes
0answers
5 views

How to include and format multiple rows in inforview from cartoDB

I have seen similar questions answered but I have not managed to find anything suitable. I have some buildings and when I click on a building I want the name and website of the companies in it. I ...
3
votes
1answer
18 views

Arc Hydro giving Error HRESLT E_FAIL has been returned from call to Component?

I have a problem with using Arc Hydro. I tried to follow these steps: App utilities> Set target locations Raster Data: C:users\seabell\Deskop\weekdata4\ Vector Data: ...
1
vote
0answers
22 views

“All the inputs are not current” after Precondition = false in Model Builder

I am using an Iterator to Iterate through a list of Strings for Feature Selection/Aggregation/Count. There is the possibility that no Features are aggregated. In this case, I want the iterator to go ...
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."
0
votes
3answers
42 views

Postgis installation

I am installing Postgis on my Debian server, following these instructions: http://postgis.net/install/ (Ubuntu / Debian) https://wiki.postgresql.org/wiki/Apt However, after following the ...

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