Skip to main content

All Questions

0 votes
0 answers
34 views

How is it that ArcMap and QGIS produce feature classes with different numbers of points and different coordinates from the same TIFF?

I have a 300m by 300m B&W TIFF map of Brazil, and I need to convert all the pixel values into a point feature class. When I do it in ArcMap using Raster to Point, I get a feature class with 92,054,...
Ryan Ma's user avatar
  • 53
0 votes
0 answers
42 views

Raster Values into Gridded Polygons with Same Cell Size using ArcMap

I have data in the form of a raster with 1 km x 1 km cells. I need to transfer it into a vector polygon grid layer (USNG) which also has 1 km x km cells, but has divergence around UTM zones and does ...
Thomas K's user avatar
1 vote
1 answer
873 views

Using TIFF file in Intersect tool of ArcMap

I am attempting to do some geoprocessing with a CSV file and a TIFF file (trying to use the Intersect tool), but am experiencing some trouble with it. I can't seem to be able to input the TIFF file as ...
user173646's user avatar
1 vote
1 answer
741 views

Converting Raster to Polygon in ArcMap

I've prepared my Shapefile in ArcMap 10.7.1 by Raster to Polygon. When I am opening this shapefile in ArcMap its showing a rectangular polygon around the shapefile like this: When I select this ...
Muhammad Usman Saleem's user avatar
1 vote
1 answer
178 views

Automatic Vectorisation in ArcGIS

Is there any method or tool/model for ArcGIS to draw automatic line based upon raster data values. E.g i have a DEM and i want to automatically generate a line feature passing through all those pixels ...
San Shaw's user avatar
0 votes
2 answers
106 views

Two-value raster to generalized polygons (join pixels close together into one polygon) with short computation time in QGIS or ArcMap [closed]

I want to create application map for agriculture based on NDVI map. I have theoretical way how to do it. My raster has two values (1 - red, 0 - green), the raster is quite big (100 hectares with 6 ...
daky's user avatar
  • 363
1 vote
2 answers
822 views

Converting raster to polygon through ModelBuilder?

I have a set of raster which I want to convert to the polygon. Below is the model I prepared, but its showing below error. I checked the error code, which explains Alter the name to remove any ...
MapQuest's user avatar
  • 405
0 votes
0 answers
204 views

Polygon to Raster conversion: Raster shifted ~10m horizontally. How to fix?

I converted a number of polygons into a raster. The cell size is correct but the raster has shifted ~10m horizontally. Is there an issue with my method or is there a tool I can use to fix this?
Henry's user avatar
  • 1
-2 votes
1 answer
91 views

Loading georeferenced map TIFF image into shapefile using ArcMap?

I need to add this Lake County townships map into a shapefile that contains other counties' townships. The shapefile's fields are: Township, Shape, Shape_Length, Shape_Area and County. How can I do ...
Regulus's user avatar
  • 33
2 votes
0 answers
118 views

Completing dashed line shapefile feature that was created with ArcScan?

Using ArcScan to vectorize a raster floodplain boundary map, I have selected the area, run ArcScan in the area, to output a Shapefile of the line. ArcScan worked to create the line, and it is a dashed ...
rooboo's user avatar
  • 21
0 votes
1 answer
513 views

Identifying /vectorizing / classifying cliff bands ArcMap

I am working in ArcMap 10.5. I'm trying to identify cliffbands throughout my county, and to assess their approximate height. I've found a source of 1 meter resolution LIDAR data, which I have ...
itshardtofindanunuse's user avatar
0 votes
0 answers
54 views

Pulling Data off PNG map scan using ArcGIS Desktop?

I have scanned a map with several trade routes on it and georeferenced it on top of a hydrology (river system) map of the U.S. The scanned map is a PNG file. How can I pull off the trade routes? ...
R.Yates's user avatar
2 votes
0 answers
233 views

Raster to Polygon Conversion with shift [closed]

The Raster to Polygon Conversion results in strange polygons. I must have changed something in the settings, but have no idea what it could be. Does anyone can help? The red line is the polygone ...
TobKug's user avatar
  • 51
1 vote
2 answers
865 views

Error "generate features" with ArcScan vectorization

Windows 10, ArcGIS 10.4.1/ArcScene 10.4.1.5686 I have a geotiff that I pulled in from a pdf. I'm in an edit session of ArcScan and when I Show Preview, the output looks great. However, whenever I try ...
Chris_80's user avatar
-1 votes
1 answer
817 views

How to create vector roads center lines from raster?

I need to know how to create roads vector center lines from raster using ArcGIS. I have tried to use Iso Cluster Unsupervised classification tool to classify raster and set it to 30 classes. After ...
user104851's user avatar

15 30 50 per page