All Questions
3,390 questions
0
votes
0
answers
48
views
Returning area of interest image upon lat/long input?
I would like to know if it's possible to give a latitude and longitude (or bounding box) for a certain location and return an area of interest image, including a target property and a list of nearby ...
- 101
0
votes
1
answer
254
views
How do I get the population by country when using the Esri Demographics Geoprocessing Service?
I am using the ArcGIS JavaScript API and Geoprocessing Services to get population. The service takes an input circle and returns the population inside.
Some times, a circle can cover cover more than ...
0
votes
1
answer
451
views
Finding difference between two rasters using ArcGIS Spatial Analyst?
I know how to find difference between two rasters with Spatial Analyst tools, but how to display attributes, for example differences between two Corine Land (2006 - 2012) rasters, how to see codes of ...
0
votes
2
answers
874
views
Change suffix label on decimal grid in print composer
I want to change my suffix label on decimal grid/measured grid coordinates for a map canvas in the print composer from "N" or "E" to "m.N" and "m.E". How can I achieve this?
- 83
1
vote
0
answers
755
views
How to create one grid from specific set of points using QGIS?
I need to create one grid/fishnet from a set of points (coordinates). I tried to do it with the point to path tool following this three steps:
1-Vertical's rows: I numbered the points in the ...
- 11
0
votes
1
answer
271
views
Annotation group for data frame grid in ArcGIS
I am working in a project which I should label two types of grids (one is projected and the other is geographic) in the same data frame (layout view).
Often there is an overlap of these coordinate ...
- 11
2
votes
1
answer
80
views
Prevent script to stop when there is an issue with a .shp file
I am trying to iterate through all my shapefiles to check if they have a coordinate system assigned or not.
The script works fine and iterates through most of my .shp files, however some files seem ...
- 23
1
vote
0
answers
53
views
Grid convergence in ArcGIS Desktop gives conflicting values?
I calculated the grid convergence of a feature in ArcGIS (using geographic rotation and none coordinate system). The returned value is negative, which is conflicting to my understanding.
The easting ...
- 11
3
votes
1
answer
67
views
ArcGIS 10.2.2: How to display attribute values using a representative number of symbols?
I am using ArcGIS 10.2.2 Advanced. I want to produce a map where the value of attributes in each polygon is shown by a representative number of symbols in each polygon. I have used Quantities > Dot ...
- 33
1
vote
0
answers
860
views
Calculating Surface Roughness from Land Cover Data/Land Elevation
I'm trying to create a surface roughness file over the continental United States in NetCDF format. I've surface elevation file of 200 meters resolution and land cover data of 30meters resolution. I'm ...
-1
votes
1
answer
245
views
Regular grid for whole planet
I`m trying to generate rectangular grid for whole world with fixed cell size in 350 meters (width and height are equals).
What i tried to do:
1) in main loop iterate trough longitude in range [-180; ...
- 141
1
vote
1
answer
64
views
Changing started sequence number?
I have code like this from Xander Bakker
def main():
import arcpy
fc = r'Drive:\Path\To\Source\FC'
fld_seq = 'SequenceLbl'
# Add field if it does not exist already
AddField(fc, ...
- 57
0
votes
1
answer
55
views
Geolocation using global map in ArcGIS Desktop? [closed]
I want to show my study sites (15 from different countries) using a global map in ArcGIS Desktop.
I'd like to show latitudes and longitudes (perhaps with a map grid).
Is there a way to drop pins ...
- 507
2
votes
0
answers
862
views
Choosing bandwidth and scaling factor for Kernel Density Estimate in ArcGIS Desktop?
I have some points that represent animal locations over the course of a few months at the scale of ~20 sqkm. I am emulating the work of previous researchers in this field, but I'm having trouble ...
- 61
2
votes
1
answer
1k
views
Setting up lat/long graticule with 1 min output in QGIS?
I would like to set up a lat/long graticule in QGIS with output being a line shapefile with values in Degrees and Minutes, and grid lines shown at every even 1 minute (e.g. 13°23' W, 13°24' W, 13°25' ...
- 21
7
votes
2
answers
2k
views
Setting grid in QGIS that automatically adjust its intervals?
I am setting a template for multiple maps in QGIS 3 Layout and i was wondering if there is a way of automatically adjusting the grid's interval as a function of the scale of the map?
I did a bit of ...
- 604
0
votes
1
answer
404
views
Using script to list .lyr files with broken links?
I would like to identify within a particular folder the .lyr files that have broken links. Some of these files are within multiple folders but all fall within one folder. My programming knowledge is ...
- 83
2
votes
2
answers
3k
views
Weighted sum vs Weighted overlay
I´m working on a suitability analysis for which I´m doing a sensitivity analysis.
When I modify the weights for this analysis I have values with decimals, so I can´t use "weighted overlay" tool.
...
0
votes
1
answer
1k
views
ECW to KML from ArcGIS Desktop failing to open in Google Earth?
i have some .ECW file and i want to convert to KML to used in another program (AutoCAD)..
so i convert this file using conversion tools which is ArcGIS Desktop 10.2 provide..
but i have problem in ...
- 57
1
vote
0
answers
303
views
Precision Ag and UTM declination
I've written an open source Precision Agriculture application called AgOpenGPS that does everything from auto steer, to mapping, implement and section turn on/off, auto headland turns and more. It's ...
- 11
4
votes
1
answer
179
views
Can you make QGIS decorations scale dependent?
I have a QGIS project that includes a grid decoration. Is it possible to display this decoration only when zoomed in? I.e. can decorations in QGIS have scale dependent visibility?
- 123
0
votes
1
answer
1k
views
Correct Format for UTM coordinates fed to ArcMap "Convert Coordinate Notation" Tool?
I am trying to use Arc's (v.10.2) "Convert Coordinate Notation Tool" to convert UTM coordinates into WGS84. The UTMs are in one column of an Excel spreadsheet as follows:
UTM
346677 E 5293198 N
...
- 1,217
4
votes
1
answer
3k
views
ArcGIS tools say completed immediately but give no output
I have a problem working with ArcGIS. Sometimes (not always) when I run a geprocessing tool, I immediately get the pop-up with "completed" and a green tickmark. However, there is no output created, ...
- 81
2
votes
1
answer
209
views
Combine multiple adjacent polygons into 1 polygon
I have a third party tool that is creating a color filled area by placing many polygons side by side. I need to combine these polygons into 1 polygon. Unfortunately changing the 3rd party tool is not ...
- 157
1
vote
0
answers
230
views
Grid creation with specific rows and columns
I have a shapefile for a property boundary and i want to create a grid over this boundary. However I want to be able to specify the number of Rows and Columns, I would also like each individual grid ...
- 11
0
votes
1
answer
771
views
How can I insert odd and even number in attribute table for selected feature in Arc Map?
I work with addressing, in right site of street must be inserted even number, and in left site of street must be inserted odd number in attribute table. Is there any code to insert odd and even number ...
- 47
2
votes
0
answers
63
views
Issue with vector grid and calculating area QGIS
I'm trying to determine the area of occurence from a large polygon superimposed onto 2km x 2km grids. The goal is to have a slightly coarser answer then a straight area of the original polygon as the ...
- 21
1
vote
1
answer
79
views
Script error in ArcGIS 10.2
I have a problem when using some geoprocessing tools in ArcGIS 10.2, such as "Merge". The message that appears is an error has occurred in the script on this page. I've seen this is a quite common ...
0
votes
0
answers
171
views
Why is Append_Management failing on just 2 (out of 9) table columns?
In Arc 10.2 I have a script tool that uses arcpy.Append_management() to transfer .csv data into a freshly truncated feature class table. It works perfectly on all .csv tables except one in which it ...
- 1,217
3
votes
1
answer
231
views
Is there a built in way to reduce the amount of points in an IElement
I have a polyline element and I want to reduce the number of points (vertices?) that make up the line. I know it will make the curved sections jagged and that is fine. I just want to control (perhaps ...
- 157
0
votes
1
answer
306
views
Preventing Append_management from adding target to Table of Contents? [duplicate]
I am using ArcGIS Desktop 10.2.
I have a script that successfully converts a .csv into an already-existing feature class by first truncating the feature class table and then using the following line ...
- 1,217
2
votes
1
answer
448
views
AlterField_management not changing Field Name?
I am trying to change field name of shapefile using AlterField (Management) tool for multiple feature class and multiple field name (same in all fc)
import arcpy
from arcpy import env
env....
- 23
0
votes
2
answers
85
views
Sharing ArcMap with router and simultaneously two or more than two users can data entry in attribute table?
I have two computer, one router and I want to share ArcMap and simultaneously from two computer filling the attribute table.
- 47
2
votes
1
answer
247
views
Convert an IFeature to an IElement to display on the graphics layer
I have read some posts and looked at a few different examples but I am still having a problem. My problem seems to lay with the location of the IFeature's shape, they are coming back as x= 590241....
- 157
0
votes
2
answers
71
views
How to Prevent Final (Unnecessary) Selection Box in Script Tool Input Parameters via Validation Script?
Using Arc 10.2.2.
My script tool's interface has its first parameter populated by the following snippet of validation script:
def initializeParameters(self):
# Source Folder
dir_f = r'Q:\...
- 1,217
4
votes
1
answer
153
views
Reshape ILineElement with ISelectionTracker in graphics container
End goal:
Allow user to move points on a ILineElement using the selection handles from ISelectionTracker.
Issue:
Using my code below I am able to get the handles to appear on the line element, but it ...
- 157
1
vote
2
answers
858
views
Rotating labeling of grid in ArcGIS Desktop?
I have a doubt I would like to know if you can rotate the labeling of the grid. Look at the image 1, the grid is rotated but the labeling is still perpendicular, I need the labeling to be parallel to ...
- 11
1
vote
0
answers
206
views
Calculate Grid Convergence Angle within ModelBuilder Model
I am trying to use the 'Calculate Grid Convergence Angle" tool (from Cartography toolbox -> Data Driven Pages) into ModelBuilder. The tool is pretty simple -
(1) import,
(2) remove no data
(3) ...
- 11
1
vote
0
answers
37
views
Listing features and their respective map grid in QGIS
I am trying to list map features and the Reference Grid they fall into. The grid is setup in the Print Composer as a 50mmx50mm grid over a 400mmx400mm map with Cells Labeled as 1A, 1B, etc.. I didn't ...
- 1,443
1
vote
1
answer
203
views
Detecting failure of Data Access Insert Cursor?
I have data that I have now determined is failing because the underlying Oracle table has a unique constraint that fails. When a duplicate row is inserted there are no exceptions thrown - no way ...
- 423
-2
votes
2
answers
84
views
Distance measurement
I have calculated NDVI, now I would like to measure the distance from the places which have more vegetation concentration to low to bare concentration areas. which tool in ArcGIS 10.2 will be suitable ...
- 15
1
vote
0
answers
89
views
ArcGIS C# RubberPoint.TrackExisting not working
I have a simple marker symbol I have drawn on the map. I am trying to use a rubber band to drag-move it to a new location. I think I am close because when I use .TrackNew instead of .TrackExisting the ...
- 157
0
votes
2
answers
307
views
Geoprocessing from in-memory layer
I have a .csv file with 3 fields: lat, long, and value. I'd like to create a Thiessen Polygon raster from this file in Python without creating intermediate datasets. Here's what I have:
# Create ...
- 437
2
votes
0
answers
76
views
Best format for GDAL to ESRI
I'm trying to create a 30 meter, Int16 raster covering the entire continental US using Python/GDAL. This raster will ultimately be used to do raster algebra in ArcMap by downstream users.
Ordinarily ...
- 437
0
votes
1
answer
434
views
ArcGIS: Adding labels to 2D FeatureLayer in JavaScript 3.25
Is it possible to add labels to a 2D FeatureLayer in ArcGIS using the JavaScript 3.25 API. I can only find examples that use Javascript 4.8 and 3D scenes.
The following code doesn't show anything:
...
0
votes
1
answer
1k
views
ArcGIS: Get layer by name using Javascript API and modify it
I'm very new to ArcGIS and I'm developing a custom widget in the ArcGIS WebApp Builder that will allow me to change the style attribute of a specific layer in my map.
To manually change the style ...
1
vote
1
answer
809
views
Generating centerline for polygon using ArcGIS Desktop?
How could I generate a nominal centreline for a polygon and then generate lines perpendicular to this centreline at regular intervals?
I've explored generating a centreline using the tools here: http:...
- 23
0
votes
2
answers
375
views
Calculating width of polygon relative to polyline using ArcGIS Desktop?
I need to estimate the different widths of the polygons that surround some polylines. The polygons correspond to wetlands (buffer zones) and the lines represent the rivers. The catchment that I´m ...
0
votes
3
answers
394
views
Changing coordinate of point shapefile in ArcGIS using ArcPy? [closed]
I'm working on coding a function in ArcGIS trying to measure the number of pixels between a point (feature class) and its nearest building horizontally within a UDEM raster, then return the number.
...
- 47
1
vote
1
answer
113
views
Converting Multipart annotation to Singlepart causes stale record
When converting a feature-linked multipart annotation to a singlepart in either the context menu within ArcMap, or with the ArcObjects interface I am left with an annotation that becomes stale.
...
- 1,234