Hi,
In my shapefile, there are 8700 or more rows for each polygon. After I joined with another table imported, I tried to use the feature from the joined table to draw a graduated color map. But when I did this, it takes a long time and the classification of that feature always failed with 0. I thought it was because the joined feature from another table has too many rows. I even tried to add a new feature in the shapefile and copy the value from the table to the shapefile with "Field Calculator" option, but they are failed with no change. Would you please tell me how can I deal with this graduated color map with big number of data? Thank you!
Regards,
Jia
In my shapefile, there are 8700 or more rows for each polygon. After I joined with another table imported, I tried to use the feature from the joined table to draw a graduated color map. But when I did this, it takes a long time and the classification of that feature always failed with 0. I thought it was because the joined feature from another table has too many rows. I even tried to add a new feature in the shapefile and copy the value from the table to the shapefile with "Field Calculator" option, but they are failed with no change. Would you please tell me how can I deal with this graduated color map with big number of data? Thank you!
Regards,
Jia